texturing.cpp revision 4f6e8d7a00cbeda1e70cc15be9c4af1018bdad5
14f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project/* libs/pixelflinger/codeflinger/texturing.cpp 24f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project** 34f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project** Copyright 2006, The Android Open Source Project 44f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project** 54f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 64f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project** you may not use this file except in compliance with the License. 74f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project** You may obtain a copy of the License at 84f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project** 94f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project** 114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project** See the License for the specific language governing permissions and 154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project** limitations under the License. 164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project*/ 174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <assert.h> 194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <stdint.h> 204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <stdlib.h> 214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <stdio.h> 224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <sys/types.h> 234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include <cutils/log.h> 254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project#include "codeflinger/GGLAssembler.h" 274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectnamespace android { 304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project// --------------------------------------------------------------------------- 324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project// iterators are initialized like this: 344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project// (intToFixedCenter(x) * dx)>>16 + x0 354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project// ((x<<16 + 0x8000) * dx)>>16 + x0 364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project// ((x<<16)*dx + (0x8000*dx))>>16 + x0 374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project// ( (x*dx) + dx>>1 ) + x0 384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project// (x*dx) + (dx>>1 + x0) 394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid GGLAssembler::init_iterated_color(fragment_parts_t& parts, const reg_t& x) 414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project context_t const* c = mBuilderContext.c; 434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const needs_t& needs = mBuilderContext.needs; 444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (mSmooth) { 464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // NOTE: we could take this case in the mDithering + !mSmooth case, 474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // but this would use up to 4 more registers for the color components 484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // for only a little added quality. 494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // Currently, this causes the system to run out of registers in 504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // some case (see issue #719496) 514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project comment("compute initial iterated color (smooth and/or dither case)"); 534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project parts.iterated_packed = 0; 554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project parts.packed = 0; 564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // 0x1: color component 584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // 0x2: iterators 594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int optReload = mOptLevel >> 1; 604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (optReload >= 3) parts.reload = 0; // reload nothing 614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project else if (optReload == 2) parts.reload = 2; // reload iterators 624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project else if (optReload == 1) parts.reload = 1; // reload colors 634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project else if (optReload <= 0) parts.reload = 3; // reload both 644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!mSmooth) { 664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // we're not smoothing (just dithering), we never have to 674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // reload the iterators 684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project parts.reload &= ~2; 694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch scratches(registerFile()); 724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int t0 = (parts.reload & 1) ? scratches.obtain() : 0; 734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int t1 = (parts.reload & 2) ? scratches.obtain() : 0; 744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (int i=0 ; i<4 ; i++) { 754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!mInfo[i].iterated) 764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project continue; 774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // this component exists in the destination and is not replaced 794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // by a texture unit. 804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int c = (parts.reload & 1) ? t0 : obtainReg(); 814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (i==0) CONTEXT_LOAD(c, iterators.ydady); 824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (i==1) CONTEXT_LOAD(c, iterators.ydrdy); 834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (i==2) CONTEXT_LOAD(c, iterators.ydgdy); 844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (i==3) CONTEXT_LOAD(c, iterators.ydbdy); 854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project parts.argb[i].reg = c; 864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (mInfo[i].smooth) { 884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project parts.argb_dx[i].reg = (parts.reload & 2) ? t1 : obtainReg(); 894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int dvdx = parts.argb_dx[i].reg; 904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(dvdx, generated_vars.argb[i].dx); 914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MLA(AL, 0, c, x.reg, dvdx, c); 924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // adjust the color iterator to make sure it won't overflow 944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!mAA) { 954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // this is not needed when we're using anti-aliasing 964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // because we will (have to) clamp the components 974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // anyway. 984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int end = scratches.obtain(); 994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, end, reg_imm(parts.count.reg, LSR, 16)); 1004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MLA(AL, 1, end, dvdx, end, c); 1014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SUB(MI, 0, c, c, end); 1024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project BIC(AL, 0, c, c, reg_imm(c, ASR, 31)); 1034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project scratches.recycle(end); 1044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (parts.reload & 1) { 1084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_STORE(c, generated_vars.argb[i].c); 1094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 1124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // We're not smoothed, so we can 1134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // just use a packed version of the color and extract the 1144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // components as needed (or not at all if we don't blend) 1154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // figure out if we need the iterated color 1174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int load = 0; 1184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (int i=0 ; i<4 ; i++) { 1194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project component_info_t& info = mInfo[i]; 1204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if ((info.inDest || info.needed) && !info.replaced) 1214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project load |= 1; 1224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project parts.iterated_packed = 1; 1254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project parts.packed = (!mTextureMachine.mask && !mBlending 1264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project && !mFog && !mDithering); 1274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project parts.reload = 0; 1284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (load || parts.packed) { 1294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (mBlending || mDithering || mInfo[GGLFormat::ALPHA].needed) { 1304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project comment("load initial iterated color (8888 packed)"); 1314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project parts.iterated.setTo(obtainReg(), 1324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project &(c->formats[GGL_PIXEL_FORMAT_RGBA_8888])); 1334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(parts.iterated.reg, packed8888); 1344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 1354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project comment("load initial iterated color (dest format packed)"); 1364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project parts.iterated.setTo(obtainReg(), &mCbFormat); 1384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // pre-mask the iterated color 1404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int bits = parts.iterated.size(); 1414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const uint32_t size = ((bits>=32) ? 0 : (1LU << bits)) - 1; 1424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project uint32_t mask = 0; 1434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (mMasking) { 1444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (int i=0 ; i<4 ; i++) { 1454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int component_mask = 1<<i; 1464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int h = parts.iterated.format.c[i].h; 1474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int l = parts.iterated.format.c[i].l; 1484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (h && (!(mMasking & component_mask))) { 1494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mask |= ((1<<(h-l))-1) << l; 1504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (mMasking && ((mask & size)==0)) { 1554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // none of the components are present in the mask 1564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 1574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(parts.iterated.reg, packed); 1584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (mCbFormat.size == 1) { 1594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project AND(AL, 0, parts.iterated.reg, 1604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project parts.iterated.reg, imm(0xFF)); 1614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else if (mCbFormat.size == 2) { 1624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, parts.iterated.reg, 1634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project reg_imm(parts.iterated.reg, LSR, 16)); 1644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // pre-mask the iterated color 1684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (mMasking) { 1694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project build_and_immediate(parts.iterated.reg, parts.iterated.reg, 1704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mask, bits); 1714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 1754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 1764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid GGLAssembler::build_iterated_color( 1784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project component_t& fragment, 1794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const fragment_parts_t& parts, 1804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int component, 1814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch& regs) 1824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 1834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project fragment.setTo( regs.obtain(), 0, 32, CORRUPTIBLE); 1844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!mInfo[component].iterated) 1864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return; 1874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (parts.iterated_packed) { 1894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // iterated colors are packed, extract the one we need 1904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project extract(fragment, parts.iterated, component); 1914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 1924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project fragment.h = GGL_COLOR_BITS; 1934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project fragment.l = GGL_COLOR_BITS - 8; 1944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project fragment.flags |= CLEAR_LO; 1954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // iterated colors are held in their own register, 1964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // (smooth and/or dithering case) 1974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (parts.reload==3) { 1984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // this implies mSmooth 1994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch scratches(registerFile()); 2004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int dx = scratches.obtain(); 2014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(fragment.reg, generated_vars.argb[component].c); 2024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(dx, generated_vars.argb[component].dx); 2034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, dx, fragment.reg, dx); 2044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_STORE(dx, generated_vars.argb[component].c); 2054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else if (parts.reload & 1) { 2064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(fragment.reg, generated_vars.argb[component].c); 2074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 2084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // we don't reload, so simply rename the register and mark as 2094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // non CORRUPTIBLE so that the texture env or blending code 2104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // won't modify this (renamed) register 2114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project regs.recycle(fragment.reg); 2124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project fragment.reg = parts.argb[component].reg; 2134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project fragment.flags &= ~CORRUPTIBLE; 2144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (mInfo[component].smooth && mAA) { 2164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // when using smooth shading AND anti-aliasing, we need to clamp 2174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // the iterators because there is always an extra pixel on the 2184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // edges, which most of the time will cause an overflow 2194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // (since technically its outside of the domain). 2204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project BIC(AL, 0, fragment.reg, fragment.reg, 2214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project reg_imm(fragment.reg, ASR, 31)); 2224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project component_sat(fragment); 2234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project// --------------------------------------------------------------------------- 2284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid GGLAssembler::decodeLogicOpNeeds(const needs_t& needs) 2304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // gather some informations about the components we need to process... 2324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int opcode = GGL_READ_NEEDS(LOGIC_OP, needs.n) | GGL_CLEAR; 2334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project switch(opcode) { 2344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_COPY: 2354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mLogicOp = 0; 2364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project break; 2374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_CLEAR: 2384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_SET: 2394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mLogicOp = LOGIC_OP; 2404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project break; 2414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_AND: 2424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_AND_REVERSE: 2434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_AND_INVERTED: 2444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_XOR: 2454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_OR: 2464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_NOR: 2474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_EQUIV: 2484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_OR_REVERSE: 2494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_OR_INVERTED: 2504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_NAND: 2514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mLogicOp = LOGIC_OP|LOGIC_OP_SRC|LOGIC_OP_DST; 2524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project break; 2534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_NOOP: 2544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_INVERT: 2554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mLogicOp = LOGIC_OP|LOGIC_OP_DST; 2564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project break; 2574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_COPY_INVERTED: 2584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mLogicOp = LOGIC_OP|LOGIC_OP_SRC; 2594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project break; 2604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project }; 2614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 2624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid GGLAssembler::decodeTMUNeeds(const needs_t& needs, context_t const* c) 2644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 2654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project uint8_t replaced=0; 2664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mTextureMachine.mask = 0; 2674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mTextureMachine.activeUnits = 0; 2684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (int i=GGL_TEXTURE_UNIT_COUNT-1 ; i>=0 ; i--) { 2694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project texture_unit_t& tmu = mTextureMachine.tmu[i]; 2704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (replaced == 0xF) { 2714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // all components are replaced, skip this TMU. 2724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.format_idx = 0; 2734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.mask = 0; 2744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.replaced = replaced; 2754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project continue; 2764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 2774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.format_idx = GGL_READ_NEEDS(T_FORMAT, needs.t[i]); 2784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.format = c->formats[tmu.format_idx]; 2794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.bits = tmu.format.size*8; 2804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.swrap = GGL_READ_NEEDS(T_S_WRAP, needs.t[i]); 2814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.twrap = GGL_READ_NEEDS(T_T_WRAP, needs.t[i]); 2824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.env = ggl_needs_to_env(GGL_READ_NEEDS(T_ENV, needs.t[i])); 2834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.pot = GGL_READ_NEEDS(T_POT, needs.t[i]); 2844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.linear = GGL_READ_NEEDS(T_LINEAR, needs.t[i]) 2854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project && tmu.format.size!=3; // XXX: only 8, 16 and 32 modes for now 2864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // 5551 linear filtering is not supported 2884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.format_idx == GGL_PIXEL_FORMAT_RGBA_5551) 2894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.linear = 0; 2904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.mask = 0; 2924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.replaced = replaced; 2934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 2944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.format_idx) { 2954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mTextureMachine.activeUnits++; 2964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.format.c[0].h) tmu.mask |= 0x1; 2974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.format.c[1].h) tmu.mask |= 0x2; 2984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.format.c[2].h) tmu.mask |= 0x4; 2994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.format.c[3].h) tmu.mask |= 0x8; 3004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.env == GGL_REPLACE) { 3014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project replaced |= tmu.mask; 3024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else if (tmu.env == GGL_DECAL) { 3034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!tmu.format.c[GGLFormat::ALPHA].h) { 3044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // if we don't have alpha, decal does nothing 3054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.mask = 0; 3064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 3074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // decal always ignores At 3084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.mask &= ~(1<<GGLFormat::ALPHA); 3094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mTextureMachine.mask |= tmu.mask; 3134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project //printf("%d: mask=%08lx, replaced=%08lx\n", 3144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // i, int(tmu.mask), int(tmu.replaced)); 3154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mTextureMachine.replaced = replaced; 3174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mTextureMachine.directTexture = 0; 3184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project //printf("replaced=%08lx\n", mTextureMachine.replaced); 3194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 3204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid GGLAssembler::init_textures( 3234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tex_coord_t* coords, 3244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const reg_t& x, const reg_t& y) 3254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 3264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project context_t const* c = mBuilderContext.c; 3274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const needs_t& needs = mBuilderContext.needs; 3284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int Rctx = mBuilderContext.Rctx; 3294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int Rx = x.reg; 3304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int Ry = y.reg; 3314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (mTextureMachine.mask) { 3334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project comment("compute texture coordinates"); 3344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // init texture coordinates for each tmu 3374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int cb_format_idx = GGL_READ_NEEDS(CB_FORMAT, needs.n); 3384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const bool multiTexture = mTextureMachine.activeUnits > 1; 3394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT; i++) { 3404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const texture_unit_t& tmu = mTextureMachine.tmu[i]; 3414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.format_idx == 0) 3424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project continue; 3434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if ((tmu.swrap == GGL_NEEDS_WRAP_11) && 3444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project (tmu.twrap == GGL_NEEDS_WRAP_11)) 3454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { 3464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // 1:1 texture 3474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project pointer_t& txPtr = coords[i].ptr; 3484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project txPtr.setTo(obtainReg(), tmu.bits); 3494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(txPtr.reg, state.texture[i].iterators.ydsdy); 3504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, Rx, Rx, reg_imm(txPtr.reg, ASR, 16)); // x += (s>>16) 3514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(txPtr.reg, state.texture[i].iterators.ydtdy); 3524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, Ry, Ry, reg_imm(txPtr.reg, ASR, 16)); // y += (t>>16) 3534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // merge base & offset 3544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(txPtr.reg, generated_vars.texture[i].stride); 3554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SMLABB(AL, Rx, Ry, txPtr.reg, Rx); // x+y*stride 3564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(txPtr.reg, generated_vars.texture[i].data); 3574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project base_offset(txPtr, txPtr, Rx); 3584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 3594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch scratches(registerFile()); 3604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project reg_t& s = coords[i].s; 3614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project reg_t& t = coords[i].t; 3624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // s = (x * dsdx)>>16 + ydsdy 3634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // s = (x * dsdx)>>16 + (y*dsdy)>>16 + s0 3644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // t = (x * dtdx)>>16 + ydtdy 3654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // t = (x * dtdx)>>16 + (y*dtdy)>>16 + t0 3664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project s.setTo(obtainReg()); 3674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project t.setTo(obtainReg()); 3684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int need_w = GGL_READ_NEEDS(W, needs.n); 3694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (need_w) { 3704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(s.reg, state.texture[i].iterators.ydsdy); 3714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(t.reg, state.texture[i].iterators.ydtdy); 3724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 3734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int ydsdy = scratches.obtain(); 3744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int ydtdy = scratches.obtain(); 3754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(s.reg, generated_vars.texture[i].dsdx); 3764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(ydsdy, state.texture[i].iterators.ydsdy); 3774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(t.reg, generated_vars.texture[i].dtdx); 3784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(ydtdy, state.texture[i].iterators.ydtdy); 3794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MLA(AL, 0, s.reg, Rx, s.reg, ydsdy); 3804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MLA(AL, 0, t.reg, Rx, t.reg, ydtdy); 3814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if ((mOptLevel&1)==0) { 3844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_STORE(s.reg, generated_vars.texture[i].spill[0]); 3854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_STORE(t.reg, generated_vars.texture[i].spill[1]); 3864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project recycleReg(s.reg); 3874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project recycleReg(t.reg); 3884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 3914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // direct texture? 3924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!multiTexture && !mBlending && !mDithering && !mFog && 3934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project cb_format_idx == tmu.format_idx && !tmu.linear && 3944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mTextureMachine.replaced == tmu.mask) 3954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { 3964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mTextureMachine.directTexture = i + 1; 3974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 3994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 4004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 4014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid GGLAssembler::build_textures( fragment_parts_t& parts, 4024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch& regs) 4034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 4044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project context_t const* c = mBuilderContext.c; 4054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const needs_t& needs = mBuilderContext.needs; 4064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int Rctx = mBuilderContext.Rctx; 4074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 4084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // We don't have a way to spill registers automatically 4094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // spill depth and AA regs, when we know we may have to. 4104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // build the spill list... 4114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project uint32_t spill_list = 0; 4124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT; i++) { 4134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const texture_unit_t& tmu = mTextureMachine.tmu[i]; 4144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.format_idx == 0) 4154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project continue; 4164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.linear) { 4174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // we may run out of register if we have linear filtering 4184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // at 1 or 4 bytes / pixel on any texture unit. 4194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.format.size == 1) { 4204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // if depth and AA enabled, we'll run out of 1 register 4214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (parts.z.reg > 0 && parts.covPtr.reg > 0) 4224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project spill_list |= 1<<parts.covPtr.reg; 4234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 4244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.format.size == 4) { 4254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // if depth or AA enabled, we'll run out of 1 or 2 registers 4264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (parts.z.reg > 0) 4274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project spill_list |= 1<<parts.z.reg; 4284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (parts.covPtr.reg > 0) 4294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project spill_list |= 1<<parts.covPtr.reg; 4304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 4314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 4324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 4334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 4344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Spill spill(registerFile(), *this, spill_list); 4354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 4364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const bool multiTexture = mTextureMachine.activeUnits > 1; 4374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT; i++) { 4384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const texture_unit_t& tmu = mTextureMachine.tmu[i]; 4394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.format_idx == 0) 4404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project continue; 4414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 4424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project pointer_t& txPtr = parts.coords[i].ptr; 4434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project pixel_t& texel = parts.texel[i]; 4444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 4454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // repeat... 4464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if ((tmu.swrap == GGL_NEEDS_WRAP_11) && 4474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project (tmu.twrap == GGL_NEEDS_WRAP_11)) 4484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { // 1:1 textures 4494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project comment("fetch texel"); 4504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project texel.setTo(regs.obtain(), &tmu.format); 4514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project load(txPtr, texel, WRITE_BACK); 4524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 4534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch scratches(registerFile()); 4544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project reg_t& s = parts.coords[i].s; 4554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project reg_t& t = parts.coords[i].t; 4564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if ((mOptLevel&1)==0) { 4574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project comment("reload s/t (multitexture or linear filtering)"); 4584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project s.reg = scratches.obtain(); 4594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project t.reg = scratches.obtain(); 4604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(s.reg, generated_vars.texture[i].spill[0]); 4614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(t.reg, generated_vars.texture[i].spill[1]); 4624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 4634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 4644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project comment("compute repeat/clamp"); 4654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int u = scratches.obtain(); 4664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int v = scratches.obtain(); 4674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int width = scratches.obtain(); 4684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int height = scratches.obtain(); 4694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int U = 0; 4704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int V = 0; 4714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 4724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(width, generated_vars.texture[i].width); 4734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(height, generated_vars.texture[i].height); 4744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 4754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int FRAC_BITS = 0; 4764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.linear) { 4774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // linear interpolation 4784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.format.size == 1) { 4794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // for 8-bits textures, we can afford 4804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // 7 bits of fractional precision at no 4814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // additional cost (we can't do 8 bits 4824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // because filter8 uses signed 16 bits muls) 4834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project FRAC_BITS = 7; 4844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else if (tmu.format.size == 2) { 4854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // filter16() is internally limited to 4 bits, so: 4864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // FRAC_BITS=2 generates less instructions, 4874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // FRAC_BITS=3,4,5 creates unpleasant artifacts, 4884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // FRAC_BITS=6+ looks good 4894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project FRAC_BITS = 6; 4904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else if (tmu.format.size == 4) { 4914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // filter32() is internally limited to 8 bits, so: 4924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // FRAC_BITS=4 looks good 4934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // FRAC_BITS=5+ looks better, but generates 3 extra ipp 4944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project FRAC_BITS = 6; 4954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 4964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // for all other cases we use 4 bits. 4974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project FRAC_BITS = 4; 4984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 4994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project wrapping(u, s.reg, width, tmu.swrap, FRAC_BITS); 5014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project wrapping(v, t.reg, height, tmu.twrap, FRAC_BITS); 5024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.linear) { 5044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project comment("compute linear filtering offsets"); 5054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // pixel size scale 5064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int shift = 31 - gglClz(tmu.format.size); 5074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project U = scratches.obtain(); 5084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project V = scratches.obtain(); 5094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // sample the texel center 5114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SUB(AL, 0, u, u, imm(1<<(FRAC_BITS-1))); 5124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SUB(AL, 0, v, v, imm(1<<(FRAC_BITS-1))); 5134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // get the fractionnal part of U,V 5154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project AND(AL, 0, U, u, imm((1<<FRAC_BITS)-1)); 5164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project AND(AL, 0, V, v, imm((1<<FRAC_BITS)-1)); 5174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // compute width-1 and height-1 5194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SUB(AL, 0, width, width, imm(1)); 5204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SUB(AL, 0, height, height, imm(1)); 5214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // get the integer part of U,V and clamp/wrap 5234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // and compute offset to the next texel 5244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.swrap == GGL_NEEDS_WRAP_REPEAT) { 5254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // u has already been REPEATed 5264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 1, u, reg_imm(u, ASR, FRAC_BITS)); 5274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(MI, 0, u, width); 5284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CMP(AL, u, width); 5294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(LT, 0, width, imm(1 << shift)); 5304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (shift) 5314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(GE, 0, width, reg_imm(width, LSL, shift)); 5324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project RSB(GE, 0, width, width, imm(0)); 5334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 5344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // u has not been CLAMPed yet 5354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // algorithm: 5364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // if ((u>>4) >= width) 5374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // u = width<<4 5384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // width = 0 5394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // else 5404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // width = 1<<shift 5414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // u = u>>4; // get integer part 5424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // if (u<0) 5434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // u = 0 5444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // width = 0 5454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // generated_vars.rt = width 5464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CMP(AL, width, reg_imm(u, ASR, FRAC_BITS)); 5484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(LE, 0, u, reg_imm(width, LSL, FRAC_BITS)); 5494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(LE, 0, width, imm(0)); 5504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(GT, 0, width, imm(1 << shift)); 5514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 1, u, reg_imm(u, ASR, FRAC_BITS)); 5524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(MI, 0, u, imm(0)); 5534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(MI, 0, width, imm(0)); 5544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_STORE(width, generated_vars.rt); 5564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int stride = width; 5584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(stride, generated_vars.texture[i].stride); 5594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.twrap == GGL_NEEDS_WRAP_REPEAT) { 5604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // v has already been REPEATed 5614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 1, v, reg_imm(v, ASR, FRAC_BITS)); 5624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(MI, 0, v, height); 5634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CMP(AL, v, height); 5644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(LT, 0, height, imm(1 << shift)); 5654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (shift) 5664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(GE, 0, height, reg_imm(height, LSL, shift)); 5674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project RSB(GE, 0, height, height, imm(0)); 5684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MUL(AL, 0, height, stride, height); 5694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 5704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // u has not been CLAMPed yet 5714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CMP(AL, height, reg_imm(v, ASR, FRAC_BITS)); 5724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(LE, 0, v, reg_imm(height, LSL, FRAC_BITS)); 5734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(LE, 0, height, imm(0)); 5744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (shift) { 5754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(GT, 0, height, reg_imm(stride, LSL, shift)); 5764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 5774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(GT, 0, height, stride); 5784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 1, v, reg_imm(v, ASR, FRAC_BITS)); 5804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(MI, 0, v, imm(0)); 5814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(MI, 0, height, imm(0)); 5824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_STORE(height, generated_vars.lb); 5844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 5854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project scratches.recycle(width); 5874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project scratches.recycle(height); 5884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 5894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // iterate texture coordinates... 5904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project comment("iterate s,t"); 5914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int dsdx = scratches.obtain(); 5924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int dtdx = scratches.obtain(); 5934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(dsdx, generated_vars.texture[i].dsdx); 5944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(dtdx, generated_vars.texture[i].dtdx); 5954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, s.reg, s.reg, dsdx); 5964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, t.reg, t.reg, dtdx); 5974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if ((mOptLevel&1)==0) { 5984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_STORE(s.reg, generated_vars.texture[i].spill[0]); 5994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_STORE(t.reg, generated_vars.texture[i].spill[1]); 6004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project scratches.recycle(s.reg); 6014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project scratches.recycle(t.reg); 6024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 6034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project scratches.recycle(dsdx); 6044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project scratches.recycle(dtdx); 6054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 6064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // merge base & offset... 6074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project comment("merge base & offset"); 6084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project texel.setTo(regs.obtain(), &tmu.format); 6094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project txPtr.setTo(texel.reg, tmu.bits); 6104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int stride = scratches.obtain(); 6114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(stride, generated_vars.texture[i].stride); 6124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(txPtr.reg, generated_vars.texture[i].data); 6134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SMLABB(AL, u, v, stride, u); // u+v*stride 6144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project base_offset(txPtr, txPtr, u); 6154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 6164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // load texel 6174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!tmu.linear) { 6184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project comment("fetch texel"); 6194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project load(txPtr, texel, 0); 6204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 6214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // recycle registers we don't need anymore 6224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project scratches.recycle(u); 6234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project scratches.recycle(v); 6244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project scratches.recycle(stride); 6254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 6264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project comment("fetch texel, bilinear"); 6274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project switch (tmu.format.size) { 6284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case 1: filter8(parts, texel, tmu, U, V, txPtr, FRAC_BITS); break; 6294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case 2: filter16(parts, texel, tmu, U, V, txPtr, FRAC_BITS); break; 6304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case 3: filter24(parts, texel, tmu, U, V, txPtr, FRAC_BITS); break; 6314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case 4: filter32(parts, texel, tmu, U, V, txPtr, FRAC_BITS); break; 6324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 6334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 6344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 6354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 6364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 6374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 6384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid GGLAssembler::build_iterate_texture_coordinates( 6394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const fragment_parts_t& parts) 6404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 6414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const bool multiTexture = mTextureMachine.activeUnits > 1; 6424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT; i++) { 6434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const texture_unit_t& tmu = mTextureMachine.tmu[i]; 6444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.format_idx == 0) 6454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project continue; 6464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 6474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if ((tmu.swrap == GGL_NEEDS_WRAP_11) && 6484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project (tmu.twrap == GGL_NEEDS_WRAP_11)) 6494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { // 1:1 textures 6504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const pointer_t& txPtr = parts.coords[i].ptr; 6514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, txPtr.reg, txPtr.reg, imm(txPtr.size>>3)); 6524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 6534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch scratches(registerFile()); 6544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int s = parts.coords[i].s.reg; 6554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int t = parts.coords[i].t.reg; 6564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if ((mOptLevel&1)==0) { 6574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project s = scratches.obtain(); 6584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project t = scratches.obtain(); 6594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(s, generated_vars.texture[i].spill[0]); 6604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(t, generated_vars.texture[i].spill[1]); 6614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 6624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int dsdx = scratches.obtain(); 6634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int dtdx = scratches.obtain(); 6644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(dsdx, generated_vars.texture[i].dsdx); 6654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(dtdx, generated_vars.texture[i].dtdx); 6664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, s, s, dsdx); 6674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, t, t, dtdx); 6684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if ((mOptLevel&1)==0) { 6694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_STORE(s, generated_vars.texture[i].spill[0]); 6704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_STORE(t, generated_vars.texture[i].spill[1]); 6714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 6724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 6734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 6744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 6754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 6764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid GGLAssembler::filter8( 6774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const fragment_parts_t& parts, 6784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project pixel_t& texel, const texture_unit_t& tmu, 6794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int U, int V, pointer_t& txPtr, 6804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int FRAC_BITS) 6814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 6824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.format.components != GGL_ALPHA && 6834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.format.components != GGL_LUMINANCE) 6844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { 6854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // this is a packed format, and we don't support 6864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // linear filtering (it's probably RGB 332) 6874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // Should not happen with OpenGL|ES 6884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project LDRB(AL, texel.reg, txPtr.reg); 6894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return; 6904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 6914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 6924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // ------------------------ 6934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // about ~22 cycles / pixel 6944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch scratches(registerFile()); 6954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 6964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int pixel= scratches.obtain(); 6974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int d = scratches.obtain(); 6984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int u = scratches.obtain(); 6994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int k = scratches.obtain(); 7004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int rt = scratches.obtain(); 7014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int lb = scratches.obtain(); 7024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 7034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // RB -> U * V 7044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 7054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(rt, generated_vars.rt); 7064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(lb, generated_vars.lb); 7074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 7084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int offset = pixel; 7094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, offset, lb, rt); 7104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project LDRB(AL, pixel, txPtr.reg, reg_scale_pre(offset)); 7114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SMULBB(AL, u, U, V); 7124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SMULBB(AL, d, pixel, u); 7134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project RSB(AL, 0, k, u, imm(1<<(FRAC_BITS*2))); 7144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 7154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // LB -> (1-U) * V 7164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project RSB(AL, 0, U, U, imm(1<<FRAC_BITS)); 7174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project LDRB(AL, pixel, txPtr.reg, reg_scale_pre(lb)); 7184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SMULBB(AL, u, U, V); 7194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SMLABB(AL, d, pixel, u, d); 7204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SUB(AL, 0, k, k, u); 7214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 7224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // LT -> (1-U)*(1-V) 7234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project RSB(AL, 0, V, V, imm(1<<FRAC_BITS)); 7244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project LDRB(AL, pixel, txPtr.reg); 7254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SMULBB(AL, u, U, V); 7264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SMLABB(AL, d, pixel, u, d); 7274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 7284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // RT -> U*(1-V) 7294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project LDRB(AL, pixel, txPtr.reg, reg_scale_pre(rt)); 7304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SUB(AL, 0, u, k, u); 7314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SMLABB(AL, texel.reg, pixel, u, d); 7324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 7334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (int i=0 ; i<4 ; i++) { 7344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!texel.format.c[i].h) continue; 7354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project texel.format.c[i].h = FRAC_BITS*2+8; 7364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project texel.format.c[i].l = FRAC_BITS*2; // keeping 8 bits in enough 7374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 7384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project texel.format.size = 4; 7394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project texel.format.bitsPerPixel = 32; 7404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project texel.flags |= CLEAR_LO; 7414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 7424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 7434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid GGLAssembler::filter16( 7444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const fragment_parts_t& parts, 7454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project pixel_t& texel, const texture_unit_t& tmu, 7464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int U, int V, pointer_t& txPtr, 7474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int FRAC_BITS) 7484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 7494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // compute the mask 7504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // XXX: it would be nice if the mask below could be computed 7514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // automatically. 7524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project uint32_t mask = 0; 7534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int shift = 0; 7544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int prec = 0; 7554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project switch (tmu.format_idx) { 7564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_PIXEL_FORMAT_RGB_565: 7574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // source: 00000ggg.ggg00000 | rrrrr000.000bbbbb 7584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // result: gggggggg.gggrrrrr | rrrrr0bb.bbbbbbbb 7594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mask = 0x07E0F81F; 7604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project shift = 16; 7614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project prec = 5; 7624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project break; 7634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_PIXEL_FORMAT_RGBA_4444: 7644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // 0000,1111,0000,1111 | 0000,1111,0000,1111 7654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mask = 0x0F0F0F0F; 7664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project shift = 12; 7674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project prec = 4; 7684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project break; 7694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_PIXEL_FORMAT_LA_88: 7704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // 0000,0000,1111,1111 | 0000,0000,1111,1111 7714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // AALL -> 00AA | 00LL 7724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project mask = 0x00FF00FF; 7734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project shift = 8; 7744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project prec = 8; 7754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project break; 7764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project default: 7774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // unsupported format, do something sensical... 7784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project LOGE("Unsupported 16-bits texture format (%d)", tmu.format_idx); 7794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project LDRH(AL, texel.reg, txPtr.reg); 7804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return; 7814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 7824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 7834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int adjust = FRAC_BITS*2 - prec; 7844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int round = 0; 7854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 7864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // update the texel format 7874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project texel.format.size = 4; 7884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project texel.format.bitsPerPixel = 32; 7894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project texel.flags |= CLEAR_HI|CLEAR_LO; 7904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (int i=0 ; i<4 ; i++) { 7914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (!texel.format.c[i].h) continue; 7924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const uint32_t offset = (mask & tmu.format.mask(i)) ? 0 : shift; 7934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project texel.format.c[i].h = tmu.format.c[i].h + offset + prec; 7944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project texel.format.c[i].l = texel.format.c[i].h - (tmu.format.bits(i) + prec); 7954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 7964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 7974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // ------------------------ 7984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // about ~40 cycles / pixel 7994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch scratches(registerFile()); 8004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 8014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int pixel= scratches.obtain(); 8024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int d = scratches.obtain(); 8034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int u = scratches.obtain(); 8044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int k = scratches.obtain(); 8054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 8064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // RB -> U * V 8074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int offset = pixel; 8084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(offset, generated_vars.rt); 8094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(u, generated_vars.lb); 8104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, offset, offset, u); 8114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 8124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project LDRH(AL, pixel, txPtr.reg, reg_pre(offset)); 8134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SMULBB(AL, u, U, V); 8144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ORR(AL, 0, pixel, pixel, reg_imm(pixel, LSL, shift)); 8154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project build_and_immediate(pixel, pixel, mask, 32); 8164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (adjust) { 8174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (round) 8184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, u, u, imm(1<<(adjust-1))); 8194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, u, reg_imm(u, LSR, adjust)); 8204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 8214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MUL(AL, 0, d, pixel, u); 8224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project RSB(AL, 0, k, u, imm(1<<prec)); 8234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 8244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // LB -> (1-U) * V 8254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(offset, generated_vars.lb); 8264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project RSB(AL, 0, U, U, imm(1<<FRAC_BITS)); 8274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project LDRH(AL, pixel, txPtr.reg, reg_pre(offset)); 8284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SMULBB(AL, u, U, V); 8294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ORR(AL, 0, pixel, pixel, reg_imm(pixel, LSL, shift)); 8304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project build_and_immediate(pixel, pixel, mask, 32); 8314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (adjust) { 8324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (round) 8334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, u, u, imm(1<<(adjust-1))); 8344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, u, reg_imm(u, LSR, adjust)); 8354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 8364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MLA(AL, 0, d, pixel, u, d); 8374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SUB(AL, 0, k, k, u); 8384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 8394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // LT -> (1-U)*(1-V) 8404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project RSB(AL, 0, V, V, imm(1<<FRAC_BITS)); 8414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project LDRH(AL, pixel, txPtr.reg); 8424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SMULBB(AL, u, U, V); 8434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ORR(AL, 0, pixel, pixel, reg_imm(pixel, LSL, shift)); 8444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project build_and_immediate(pixel, pixel, mask, 32); 8454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (adjust) { 8464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (round) 8474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, u, u, imm(1<<(adjust-1))); 8484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, u, reg_imm(u, LSR, adjust)); 8494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 8504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MLA(AL, 0, d, pixel, u, d); 8514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 8524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // RT -> U*(1-V) 8534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(offset, generated_vars.rt); 8544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project LDRH(AL, pixel, txPtr.reg, reg_pre(offset)); 8554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SUB(AL, 0, u, k, u); 8564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ORR(AL, 0, pixel, pixel, reg_imm(pixel, LSL, shift)); 8574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project build_and_immediate(pixel, pixel, mask, 32); 8584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MLA(AL, 0, texel.reg, pixel, u, d); 8594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 8604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 8614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid GGLAssembler::filter24( 8624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const fragment_parts_t& parts, 8634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project pixel_t& texel, const texture_unit_t& tmu, 8644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int U, int V, pointer_t& txPtr, 8654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int FRAC_BITS) 8664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 8674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // not supported yet (currently disabled) 8684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project load(txPtr, texel, 0); 8694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 8704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 8714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid GGLAssembler::filter32( 8724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const fragment_parts_t& parts, 8734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project pixel_t& texel, const texture_unit_t& tmu, 8744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int U, int V, pointer_t& txPtr, 8754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int FRAC_BITS) 8764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 8774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int adjust = FRAC_BITS*2 - 8; 8784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int round = 0; 8794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 8804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // ------------------------ 8814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // about ~38 cycles / pixel 8824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch scratches(registerFile()); 8834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 8844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int pixel= scratches.obtain(); 8854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int dh = scratches.obtain(); 8864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int u = scratches.obtain(); 8874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int k = scratches.obtain(); 8884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 8894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int temp = scratches.obtain(); 8904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int dl = scratches.obtain(); 8914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int mask = scratches.obtain(); 8924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 8934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, mask, imm(0xFF)); 8944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ORR(AL, 0, mask, mask, imm(0xFF0000)); 8954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 8964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // RB -> U * V 8974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int offset = pixel; 8984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(offset, generated_vars.rt); 8994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(u, generated_vars.lb); 9004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, offset, offset, u); 9014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 9024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project LDR(AL, pixel, txPtr.reg, reg_scale_pre(offset)); 9034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SMULBB(AL, u, U, V); 9044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project AND(AL, 0, temp, mask, pixel); 9054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (adjust) { 9064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (round) 9074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, u, u, imm(1<<(adjust-1))); 9084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, u, reg_imm(u, LSR, adjust)); 9094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 9104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MUL(AL, 0, dh, temp, u); 9114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project AND(AL, 0, temp, mask, reg_imm(pixel, LSR, 8)); 9124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MUL(AL, 0, dl, temp, u); 9134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project RSB(AL, 0, k, u, imm(0x100)); 9144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 9154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // LB -> (1-U) * V 9164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(offset, generated_vars.lb); 9174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project RSB(AL, 0, U, U, imm(1<<FRAC_BITS)); 9184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project LDR(AL, pixel, txPtr.reg, reg_scale_pre(offset)); 9194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SMULBB(AL, u, U, V); 9204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project AND(AL, 0, temp, mask, pixel); 9214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (adjust) { 9224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (round) 9234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, u, u, imm(1<<(adjust-1))); 9244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, u, reg_imm(u, LSR, adjust)); 9254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 9264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MLA(AL, 0, dh, temp, u, dh); 9274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project AND(AL, 0, temp, mask, reg_imm(pixel, LSR, 8)); 9284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MLA(AL, 0, dl, temp, u, dl); 9294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SUB(AL, 0, k, k, u); 9304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 9314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // LT -> (1-U)*(1-V) 9324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project RSB(AL, 0, V, V, imm(1<<FRAC_BITS)); 9334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project LDR(AL, pixel, txPtr.reg); 9344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SMULBB(AL, u, U, V); 9354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project AND(AL, 0, temp, mask, pixel); 9364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (adjust) { 9374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (round) 9384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, u, u, imm(1<<(adjust-1))); 9394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, u, reg_imm(u, LSR, adjust)); 9404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 9414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MLA(AL, 0, dh, temp, u, dh); 9424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project AND(AL, 0, temp, mask, reg_imm(pixel, LSR, 8)); 9434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MLA(AL, 0, dl, temp, u, dl); 9444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 9454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // RT -> U*(1-V) 9464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CONTEXT_LOAD(offset, generated_vars.rt); 9474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project LDR(AL, pixel, txPtr.reg, reg_scale_pre(offset)); 9484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SUB(AL, 0, u, k, u); 9494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project AND(AL, 0, temp, mask, pixel); 9504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MLA(AL, 0, dh, temp, u, dh); 9514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project AND(AL, 0, temp, mask, reg_imm(pixel, LSR, 8)); 9524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MLA(AL, 0, dl, temp, u, dl); 9534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 9544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project AND(AL, 0, dh, mask, reg_imm(dh, LSR, 8)); 9554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project AND(AL, 0, dl, dl, reg_imm(mask, LSL, 8)); 9564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ORR(AL, 0, texel.reg, dh, dl); 9574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 9584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 9594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid GGLAssembler::build_texture_environment( 9604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project component_t& fragment, 9614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const fragment_parts_t& parts, 9624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int component, 9634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch& regs) 9644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 9654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const uint32_t component_mask = 1<<component; 9664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const bool multiTexture = mTextureMachine.activeUnits > 1; 9674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project for (int i=0 ; i<GGL_TEXTURE_UNIT_COUNT ; i++) { 9684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project texture_unit_t& tmu = mTextureMachine.tmu[i]; 9694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 9704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tmu.mask & component_mask) { 9714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // replace or modulate with this texture 9724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if ((tmu.replaced & component_mask) == 0) { 9734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // not replaced by a later tmu... 9744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 9754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch scratches(registerFile()); 9764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project pixel_t texel(parts.texel[i]); 9774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (multiTexture && 9784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.swrap == GGL_NEEDS_WRAP_11 && 9794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project tmu.twrap == GGL_NEEDS_WRAP_11) 9804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project { 9814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project texel.reg = scratches.obtain(); 9824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project texel.flags |= CORRUPTIBLE; 9834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project comment("fetch texel (multitexture 1:1)"); 9844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project load(parts.coords[i].ptr, texel, WRITE_BACK); 9854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 9864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 9874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project component_t incoming(fragment); 9884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project modify(fragment, regs); 9894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 9904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project switch (tmu.env) { 9914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_REPLACE: 9924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project extract(fragment, texel, component); 9934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project break; 9944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_MODULATE: 9954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project modulate(fragment, incoming, texel, component); 9964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project break; 9974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_DECAL: 9984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project decal(fragment, incoming, texel, component); 9994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project break; 10004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project case GGL_BLEND: 10014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project blend(fragment, incoming, texel, component, i); 10024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project break; 10034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 10044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 10054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 10064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 10074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 10084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 10094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project// --------------------------------------------------------------------------- 10104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 10114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid GGLAssembler::wrapping( 10124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int d, 10134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int coord, int size, 10144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int tx_wrap, int tx_linear) 10154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 10164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // notes: 10174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // if tx_linear is set, we need 4 extra bits of precision on the result 10184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // SMULL/UMULL is 3 cycles 10194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch scratches(registerFile()); 10204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int c = coord; 10214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tx_wrap == GGL_NEEDS_WRAP_REPEAT) { 10224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // UMULL takes 4 cycles (interlocked), and we can get away with 10234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // 2 cycles using SMULWB, but we're loosing 16 bits of precision 10244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // out of 32 (this is not a problem because the iterator keeps 10254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // its full precision) 10264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // UMULL(AL, 0, size, d, c, size); 10274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // note: we can't use SMULTB because it's signed. 10284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, d, reg_imm(c, LSR, 16-tx_linear)); 10294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SMULWB(AL, d, d, size); 10304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else if (tx_wrap == GGL_NEEDS_WRAP_CLAMP_TO_EDGE) { 10314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (tx_linear) { 10324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // 1 cycle 10334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, d, reg_imm(coord, ASR, 16-tx_linear)); 10344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 10354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // 4 cycles (common case) 10364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, d, reg_imm(coord, ASR, 16)); 10374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project BIC(AL, 0, d, d, reg_imm(d, ASR, 31)); 10384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project CMP(AL, d, size); 10394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project SUB(GE, 0, d, size, imm(1)); 10404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 10414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 10424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 10434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 10444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project// --------------------------------------------------------------------------- 10454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 10464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid GGLAssembler::modulate( 10474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project component_t& dest, 10484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const component_t& incoming, 10494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const pixel_t& incomingTexel, int component) 10504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 10514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch locals(registerFile()); 10524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project integer_t texel(locals.obtain(), 32, CORRUPTIBLE); 10534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project extract(texel, incomingTexel, component); 10544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 10554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const int Nt = texel.size(); 10564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // Nt should always be less than 10 bits because it comes 10574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // from the TMU. 10584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 10594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int Ni = incoming.size(); 10604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // Ni could be big because it comes from previous MODULATEs 10614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 10624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (Nt == 1) { 10634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // texel acts as a bit-mask 10644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // dest = incoming & ((texel << incoming.h)-texel) 10654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project RSB(AL, 0, dest.reg, texel.reg, reg_imm(texel.reg, LSL, incoming.h)); 10664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project AND(AL, 0, dest.reg, dest.reg, incoming.reg); 10674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project dest.l = incoming.l; 10684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project dest.h = incoming.h; 10694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project dest.flags |= (incoming.flags & CLEAR_LO); 10704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else if (Ni == 1) { 10714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, dest.reg, reg_imm(incoming.reg, LSL, 31-incoming.h)); 10724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project AND(AL, 0, dest.reg, texel.reg, reg_imm(dest.reg, ASR, 31)); 10734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project dest.l = 0; 10744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project dest.h = Nt; 10754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 10764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int inReg = incoming.reg; 10774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int shift = incoming.l; 10784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if ((Nt + Ni) > 32) { 10794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // we will overflow, reduce the precision of Ni to 8 bits 10804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // (Note Nt cannot be more than 10 bits which happens with 10814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // 565 textures and GGL_LINEAR) 10824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project shift += Ni-8; 10834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Ni = 8; 10844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 10854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 10864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // modulate by the component with the lowest precision 10874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (Nt >= Ni) { 10884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (shift) { 10894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // XXX: we should be able to avoid this shift 10904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // when shift==16 && Nt<16 && Ni<16, in which 10914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // we could use SMULBT below. 10924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, dest.reg, reg_imm(inReg, LSR, shift)); 10934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project inReg = dest.reg; 10944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project shift = 0; 10954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 10964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // operation: (Cf*Ct)/((1<<Ni)-1) 10974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // approximated with: Cf*(Ct + Ct>>(Ni-1))>>Ni 10984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // this operation doesn't change texel's size 10994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, dest.reg, inReg, reg_imm(inReg, LSR, Ni-1)); 11004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (Nt<16 && Ni<16) SMULBB(AL, dest.reg, texel.reg, dest.reg); 11014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project else MUL(AL, 0, dest.reg, texel.reg, dest.reg); 11024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project dest.l = Ni; 11034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project dest.h = Nt + Ni; 11044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else { 11054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (shift && (shift != 16)) { 11064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // if shift==16, we can use 16-bits mul instructions later 11074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, dest.reg, reg_imm(inReg, LSR, shift)); 11084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project inReg = dest.reg; 11094f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project shift = 0; 11104f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 11114f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // operation: (Cf*Ct)/((1<<Nt)-1) 11124f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // approximated with: Ct*(Cf + Cf>>(Nt-1))>>Nt 11134f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // this operation doesn't change incoming's size 11144f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch scratches(registerFile()); 11154f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int t = (texel.flags & CORRUPTIBLE) ? texel.reg : dest.reg; 11164f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (t == inReg) 11174f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project t = scratches.obtain(); 11184f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, t, texel.reg, reg_imm(texel.reg, LSR, Nt-1)); 11194f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (Nt<16 && Ni<16) { 11204f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (shift==16) SMULBT(AL, dest.reg, t, inReg); 11214f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project else SMULBB(AL, dest.reg, t, inReg); 11224f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } else MUL(AL, 0, dest.reg, t, inReg); 11234f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project dest.l = Nt; 11244f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project dest.h = Nt + Ni; 11254f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 11264f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 11274f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // low bits are not valid 11284f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project dest.flags |= CLEAR_LO; 11294f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 11304f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // no need to keep more than 8 bits/component 11314f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (dest.size() > 8) 11324f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project dest.l = dest.h-8; 11334f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 11344f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 11354f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 11364f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid GGLAssembler::decal( 11374f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project component_t& dest, 11384f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const component_t& incoming, 11394f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const pixel_t& incomingTexel, int component) 11404f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 11414f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // RGBA: 11424f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // Cv = Cf*(1 - At) + Ct*At = Cf + (Ct - Cf)*At 11434f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // Av = Af 11444f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch locals(registerFile()); 11454f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project integer_t texel(locals.obtain(), 32, CORRUPTIBLE); 11464f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project integer_t factor(locals.obtain(), 32, CORRUPTIBLE); 11474f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project extract(texel, incomingTexel, component); 11484f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project extract(factor, incomingTexel, GGLFormat::ALPHA); 11494f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 11504f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // no need to keep more than 8-bits for decal 11514f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int Ni = incoming.size(); 11524f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int shift = incoming.l; 11534f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (Ni > 8) { 11544f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project shift += Ni-8; 11554f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Ni = 8; 11564f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 11574f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project integer_t incomingNorm(incoming.reg, Ni, incoming.flags); 11584f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (shift) { 11594f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, dest.reg, reg_imm(incomingNorm.reg, LSR, shift)); 11604f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project incomingNorm.reg = dest.reg; 11614f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project incomingNorm.flags |= CORRUPTIBLE; 11624f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 11634f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, factor.reg, factor.reg, reg_imm(factor.reg, LSR, factor.s-1)); 11644f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project build_blendOneMinusFF(dest, factor, incomingNorm, texel); 11654f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 11664f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 11674f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Projectvoid GGLAssembler::blend( 11684f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project component_t& dest, 11694f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const component_t& incoming, 11704f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project const pixel_t& incomingTexel, int component, int tmu) 11714f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project{ 11724f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // RGBA: 11734f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // Cv = (1 - Ct)*Cf + Ct*Cc = Cf + (Cc - Cf)*Ct 11744f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // Av = At*Af 11754f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 11764f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (component == GGLFormat::ALPHA) { 11774f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project modulate(dest, incoming, incomingTexel, component); 11784f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project return; 11794f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 11804f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 11814f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Scratch locals(registerFile()); 11824f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project integer_t color(locals.obtain(), 8, CORRUPTIBLE); 11834f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project integer_t factor(locals.obtain(), 32, CORRUPTIBLE); 11844f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project LDRB(AL, color.reg, mBuilderContext.Rctx, 11854f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project immed12_pre(GGL_OFFSETOF(state.texture[tmu].env_color[component]))); 11864f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project extract(factor, incomingTexel, component); 11874f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 11884f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project // no need to keep more than 8-bits for blend 11894f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int Ni = incoming.size(); 11904f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project int shift = incoming.l; 11914f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (Ni > 8) { 11924f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project shift += Ni-8; 11934f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project Ni = 8; 11944f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 11954f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project integer_t incomingNorm(incoming.reg, Ni, incoming.flags); 11964f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project if (shift) { 11974f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project MOV(AL, 0, dest.reg, reg_imm(incomingNorm.reg, LSR, shift)); 11984f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project incomingNorm.reg = dest.reg; 11994f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project incomingNorm.flags |= CORRUPTIBLE; 12004f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project } 12014f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project ADD(AL, 0, factor.reg, factor.reg, reg_imm(factor.reg, LSR, factor.s-1)); 12024f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project build_blendOneMinusFF(dest, factor, incomingNorm, color); 12034f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project} 12044f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 12054f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project// ---------------------------------------------------------------------------- 12064f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 12074f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project}; // namespace android 12084f6e8d7a00cbeda1e70cc15be9c4af1018bdad5The Android Open Source Project 1209