1dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* libs/pixelflinger/raster.cpp 2dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** 3dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** Copyright 2006, The Android Open Source Project 4dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** 5dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 6dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** you may not use this file except in compliance with the License. 7dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** You may obtain a copy of the License at 8dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** 9dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 10dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** 11dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 12dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 13dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** See the License for the specific language governing permissions and 15dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** limitations under the License. 16dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project*/ 17dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 18dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 19dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 20dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <string.h> 21dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 22dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include "raster.h" 23dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include "trap.h" 24dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 25dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectnamespace android { 26dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 27dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void ggl_rasterPos2x(void* con, GGLfixed x, GGLfixed y); 28dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void ggl_rasterPos2i(void* con, GGLint x, GGLint y); 29dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstatic void ggl_copyPixels(void* con, GGLint xs, GGLint ys, 30dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project GGLsizei width, GGLsizei height, GGLenum type); 31dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 32dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid ggl_init_raster(context_t* c) 33dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 34dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project GGLContext& procs = *(GGLContext*)c; 35dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project GGL_INIT_PROC(procs, copyPixels); 36dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project GGL_INIT_PROC(procs, rasterPos2x); 37dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project GGL_INIT_PROC(procs, rasterPos2i); 38dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 39dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 40dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid ggl_rasterPos2x(void* con, GGLfixed x, GGLfixed y) 41dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 42dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project GGL_CONTEXT(c, con); 43dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // raster pos should be processed just like glVertex 44dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->state.raster.x = x; 45dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->state.raster.y = y; 46dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 47dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 48dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid ggl_rasterPos2i(void* con, GGLint x, GGLint y) 49dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 50dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ggl_rasterPos2x(con, gglIntToFixed(x), gglIntToFixed(y)); 51dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 52dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 53dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid ggl_copyPixels(void* con, GGLint xs, GGLint ys, 543078b13b98ad8d29dcb2b7e3665c0c92944404a9Ashok Bhat GGLsizei width, GGLsizei height, GGLenum /*type*/) 55dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 56dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project GGL_CONTEXT(c, con); 57dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 58dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // color-buffer 59dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project surface_t* cb = &(c->state.buffers.color); 60dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 61dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // undefined behaviour if we try to copy from outside the surface 62dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (uint32_t(xs) > cb->width) 63dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return; 64dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (uint32_t(ys) > cb->height) 65dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return; 66dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (uint32_t(xs + width) > cb->width) 67dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return; 68dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (uint32_t(ys + height) > cb->height) 69dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return; 70dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 71dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // copy to current raster position 72dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project GGLint xd = gglFixedToIntRound(c->state.raster.x); 73dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project GGLint yd = gglFixedToIntRound(c->state.raster.y); 74dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 75dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // clip to scissor 76dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (xd < GGLint(c->state.scissor.left)) { 77dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project GGLint offset = GGLint(c->state.scissor.left) - xd; 78dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project xd = GGLint(c->state.scissor.left); 79dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project xs += offset; 80dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project width -= offset; 81dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 82dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (yd < GGLint(c->state.scissor.top)) { 83dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project GGLint offset = GGLint(c->state.scissor.top) - yd; 84dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project yd = GGLint(c->state.scissor.top); 85dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ys += offset; 86dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project height -= offset; 87dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 88dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if ((xd + width) > GGLint(c->state.scissor.right)) { 89dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project width = GGLint(c->state.scissor.right) - xd; 90dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 91dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if ((yd + height) > GGLint(c->state.scissor.bottom)) { 92dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project height = GGLint(c->state.scissor.bottom) - yd; 93dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 94dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 95dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (width<=0 || height<=0) { 96dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return; // nothing to copy 97dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 98dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 99dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (xs==xd && ys==yd) { 100dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // nothing to do, but be careful, this might not be true when we support 101dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // gglPixelTransfer, gglPixelMap and gglPixelZoom 102dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return; 103dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 104dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 105dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const GGLFormat* fp = &(c->formats[cb->format]); 106dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint8_t* src = reinterpret_cast<uint8_t*>(cb->data) 107dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project + (xs + (cb->stride * ys)) * fp->size; 108dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint8_t* dst = reinterpret_cast<uint8_t*>(cb->data) 109dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project + (xd + (cb->stride * yd)) * fp->size; 110dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const size_t bpr = cb->stride * fp->size; 111dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const size_t rowsize = width * fp->size; 112dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project size_t yc = height; 113dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 114dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (ys < yd) { 115dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // bottom to top 116dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project src += height * bpr; 117dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project dst += height * bpr; 118dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project do { 119dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project dst -= bpr; 120dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project src -= bpr; 121dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memcpy(dst, src, rowsize); 122dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } while (--yc); 123dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else { 124dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (ys == yd) { 125dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // might be right to left 126dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project do { 127dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memmove(dst, src, rowsize); 128dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project dst += bpr; 129dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project src += bpr; 130dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } while (--yc); 131dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else { 132dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // top to bottom 133dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project do { 134dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memcpy(dst, src, rowsize); 135dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project dst += bpr; 136dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project src += bpr; 137dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } while (--yc); 138dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 139dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 140dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 141dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 142dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project}; // namespace android 143dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 144dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectusing namespace android; 145dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 1466e1a9430e8e8de13109f1b234d937541a45a8ac5Jim HuangGGLint gglBitBlit(GGLContext* con, int tmu, GGLint crop[4], GGLint where[4]) 147dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 148dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project GGL_CONTEXT(c, (void*)con); 149dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 150dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project GGLint x = where[0]; 151dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project GGLint y = where[1]; 152dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project GGLint w = where[2]; 153dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project GGLint h = where[3]; 154dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 155dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // exclsively enable this tmu 156dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const GGLSurface& cbSurface = c->state.buffers.color.s; 157dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->procs.activeTexture(c, tmu); 158dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->procs.disable(c, GGL_W_LERP); 159dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 160dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project uint32_t tmus = 1UL<<tmu; 161dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (c->state.enabled_tmu != tmus) { 162dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->activeTMU->enable = 1; 163dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->state.enabled_tmu = tmus; 164dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->state.enables |= GGL_ENABLE_TMUS; 165dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ggl_state_changed(c, GGL_TMU_STATE); 166dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 167dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 168dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const GGLint Wcr = crop[2]; 169dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const GGLint Hcr = crop[3]; 170dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if ((w == Wcr) && (h == Hcr)) { 171dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->procs.texGeni(c, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); 172dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->procs.texGeni(c, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); 173dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const GGLint Ucr = crop[0]; 174dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const GGLint Vcr = crop[1]; 175dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const GGLint s0 = Ucr - x; 176dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const GGLint t0 = Vcr - y; 177dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->procs.texCoord2i(c, s0, t0); 178dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->procs.recti(c, x, y, x+w, y+h); 179dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } else { 180dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int32_t texcoords[8]; 181dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project x = gglIntToFixed(x); 182dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project y = gglIntToFixed(y); 183dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 184dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // we CLAMP here, which works with premultiplied (s,t) 185dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->procs.texParameteri(c, GGL_TEXTURE_2D, GGL_TEXTURE_WRAP_S, GGL_CLAMP); 186dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->procs.texParameteri(c, GGL_TEXTURE_2D, GGL_TEXTURE_WRAP_T, GGL_CLAMP); 187dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->procs.texGeni(c, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_AUTOMATIC); 188dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->procs.texGeni(c, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_AUTOMATIC); 189dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 190dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const GGLint Ucr = crop[0] << 16; 191dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const GGLint Vcr = crop[1] << 16; 192dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const GGLint Wcr = crop[2] << 16; 193dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project const GGLint Hcr = crop[3] << 16; 194dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 195dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project // computes texture coordinates (pre-multiplied) 196dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int32_t dsdx = Wcr / w; // dsdx = ((Wcr/w)/Wt)*Wt 197dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int32_t dtdy = Hcr / h; // dtdy = ((Hcr/h)/Ht)*Ht 198dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int32_t s0 = Ucr - gglMulx(dsdx, x); // s0 = Ucr - x * dsdx 199dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int32_t t0 = Vcr - gglMulx(dtdy, y); // t0 = Vcr - y * dtdy 200dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project texcoords[0] = s0; 201dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project texcoords[1] = dsdx; 202dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project texcoords[2] = 0; 203dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project texcoords[3] = t0; 204dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project texcoords[4] = 0; 205dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project texcoords[5] = dtdy; 206dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project texcoords[6] = 0; 207dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project texcoords[7] = 0; 208dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->procs.texCoordGradScale8xv(c, tmu, texcoords); 209dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project c->procs.recti(c, 210dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project gglFixedToIntRound(x), 211dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project gglFixedToIntRound(y), 212dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project gglFixedToIntRound(x)+w, 213dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project gglFixedToIntRound(y)+h); 214dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 215dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 216dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 217dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 218