19f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt/* 29f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt Copyright (C) Intel Corp. 2006. All Rights Reserved. 39f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to 49f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt develop this 3D driver. 59f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 69f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt Permission is hereby granted, free of charge, to any person obtaining 79f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt a copy of this software and associated documentation files (the 89f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt "Software"), to deal in the Software without restriction, including 99f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt without limitation the rights to use, copy, modify, merge, publish, 109f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt distribute, sublicense, and/or sell copies of the Software, and to 119f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt permit persons to whom the Software is furnished to do so, subject to 129f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt the following conditions: 139f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 149f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt The above copyright notice and this permission notice (including the 159f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt next paragraph) shall be included in all copies or substantial 169f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt portions of the Software. 179f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 189f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 199f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 209f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 219f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 229f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 239f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 249f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 259f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 269f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt **********************************************************************/ 279f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* 289f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * Authors: 299f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * Keith Whitwell <keith@tungstengraphics.com> 309f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 319f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 329f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 339f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt#include "brw_context.h" 349f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt#include "brw_state.h" 359f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt#include "brw_defines.h" 369f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 37ecadb51bbcb972a79f3ed79e65a7986b9396e757Brian Paul#include "main/macros.h" 381f32c665c8af0622e2bbf451edb999ffbcd7d0feEric Anholt#include "main/samplerobj.h" 399f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 409f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 419f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt/* Samplers aren't strictly wm state from the hardware's perspective, 429f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * but that is the only situation in which we use them in this driver. 439f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 449f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 459f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 469f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 47b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholtuint32_t 48b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholttranslate_wrap_mode(GLenum wrap, bool using_nearest) 499f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt{ 509f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt switch( wrap ) { 519f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_REPEAT: 529f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt return BRW_TEXCOORDMODE_WRAP; 53b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt case GL_CLAMP: 54b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt /* GL_CLAMP is the weird mode where coordinates are clamped to 55b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt * [0.0, 1.0], so linear filtering of coordinates outside of 56b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt * [0.0, 1.0] give you half edge texel value and half border 57b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt * color. The fragment shader will clamp the coordinates, and 58b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt * we set clamp_border here, which gets the result desired. We 59b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt * just use clamp(_to_edge) for nearest, because for nearest 60b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt * clamping to 1.0 gives border color instead of the desired 61b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt * edge texels. 62b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt */ 63b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt if (using_nearest) 64b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt return BRW_TEXCOORDMODE_CLAMP; 65b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt else 66b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt return BRW_TEXCOORDMODE_CLAMP_BORDER; 679f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_CLAMP_TO_EDGE: 68b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt return BRW_TEXCOORDMODE_CLAMP; 699f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_CLAMP_TO_BORDER: 709f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt return BRW_TEXCOORDMODE_CLAMP_BORDER; 719f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_MIRRORED_REPEAT: 729f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt return BRW_TEXCOORDMODE_MIRROR; 739f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt default: 749f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt return BRW_TEXCOORDMODE_WRAP; 759f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 769f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt} 779f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 78ead7d73a5143ccfc55e6c00b8ab5ba0b893e5f33Kenneth Graunke/** 79ead7d73a5143ccfc55e6c00b8ab5ba0b893e5f33Kenneth Graunke * Upload SAMPLER_BORDER_COLOR_STATE. 80ead7d73a5143ccfc55e6c00b8ab5ba0b893e5f33Kenneth Graunke */ 813984372104ec6ac5986dedb07b8ca99d53dede18Kenneth Graunkevoid 825c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholtupload_default_color(struct brw_context *brw, struct gl_sampler_object *sampler, 832faa592e7f54ef21b799b61ffa50c6bc8039ddc1Kenneth Graunke int unit, int ss_index) 849f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt{ 8530f25a10190632a971e2b214c443e54afa463eadEric Anholt struct intel_context *intel = &brw->intel; 865c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt struct gl_context *ctx = &intel->ctx; 875c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; 885c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt struct gl_texture_object *texObj = texUnit->_Current; 895c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt struct gl_texture_image *firstImage = texObj->Image[0][texObj->BaseLevel]; 905c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt float color[4]; 915c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt 925c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt if (firstImage->_BaseFormat == GL_DEPTH_COMPONENT) { 935c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt /* GL specs that border color for depth textures is taken from the 945c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt * R channel, while the hardware uses A. Spam R into all the 955c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt * channels for safety. 965c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt */ 975c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt color[0] = sampler->BorderColor.f[0]; 985c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt color[1] = sampler->BorderColor.f[0]; 995c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt color[2] = sampler->BorderColor.f[0]; 1005c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt color[3] = sampler->BorderColor.f[0]; 1015c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt } else { 1025c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt color[0] = sampler->BorderColor.f[0]; 1035c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt color[1] = sampler->BorderColor.f[1]; 1045c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt color[2] = sampler->BorderColor.f[2]; 1055c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt color[3] = sampler->BorderColor.f[3]; 1065c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt } 1079f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 108ead7d73a5143ccfc55e6c00b8ab5ba0b893e5f33Kenneth Graunke if (intel->gen == 5 || intel->gen == 6) { 1095c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt struct gen5_sampler_default_color *sdc; 11030f25a10190632a971e2b214c443e54afa463eadEric Anholt 111d375df220fae47f38944c4832bcbd5f5d568884cEric Anholt sdc = brw_state_batch(brw, AUB_TRACE_SAMPLER_DEFAULT_COLOR, 1122faa592e7f54ef21b799b61ffa50c6bc8039ddc1Kenneth Graunke sizeof(*sdc), 32, &brw->wm.sdc_offset[ss_index]); 11330f25a10190632a971e2b214c443e54afa463eadEric Anholt 1145c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt memset(sdc, 0, sizeof(*sdc)); 1159f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1165c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt UNCLAMPED_FLOAT_TO_UBYTE(sdc->ub[0], color[0]); 1175c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt UNCLAMPED_FLOAT_TO_UBYTE(sdc->ub[1], color[1]); 1185c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt UNCLAMPED_FLOAT_TO_UBYTE(sdc->ub[2], color[2]); 1195c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt UNCLAMPED_FLOAT_TO_UBYTE(sdc->ub[3], color[3]); 1209f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1215c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt UNCLAMPED_FLOAT_TO_USHORT(sdc->us[0], color[0]); 1225c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt UNCLAMPED_FLOAT_TO_USHORT(sdc->us[1], color[1]); 1235c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt UNCLAMPED_FLOAT_TO_USHORT(sdc->us[2], color[2]); 1245c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt UNCLAMPED_FLOAT_TO_USHORT(sdc->us[3], color[3]); 1253e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 1265c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt UNCLAMPED_FLOAT_TO_SHORT(sdc->s[0], color[0]); 1275c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt UNCLAMPED_FLOAT_TO_SHORT(sdc->s[1], color[1]); 1285c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt UNCLAMPED_FLOAT_TO_SHORT(sdc->s[2], color[2]); 1295c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt UNCLAMPED_FLOAT_TO_SHORT(sdc->s[3], color[3]); 130e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick 1315c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt sdc->hf[0] = _mesa_float_to_half(color[0]); 1325c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt sdc->hf[1] = _mesa_float_to_half(color[1]); 1335c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt sdc->hf[2] = _mesa_float_to_half(color[2]); 1345c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt sdc->hf[3] = _mesa_float_to_half(color[3]); 1355c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt 1365c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt sdc->b[0] = sdc->s[0] >> 8; 1375c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt sdc->b[1] = sdc->s[1] >> 8; 1385c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt sdc->b[2] = sdc->s[2] >> 8; 1395c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt sdc->b[3] = sdc->s[3] >> 8; 1405c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt 1415c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt sdc->f[0] = color[0]; 1425c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt sdc->f[1] = color[1]; 1435c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt sdc->f[2] = color[2]; 1445c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt sdc->f[3] = color[3]; 1455c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt } else { 1465c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt struct brw_sampler_default_color *sdc; 1475c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt 148d375df220fae47f38944c4832bcbd5f5d568884cEric Anholt sdc = brw_state_batch(brw, AUB_TRACE_SAMPLER_DEFAULT_COLOR, 1492faa592e7f54ef21b799b61ffa50c6bc8039ddc1Kenneth Graunke sizeof(*sdc), 32, &brw->wm.sdc_offset[ss_index]); 1505c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt 1515c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt COPY_4V(sdc->color, color); 1525c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt } 1535c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt} 1543e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 1553e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt/** 1563e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt * Sets the sampler state for a single unit based off of the sampler key 1573e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt * entry. 1589f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 159956f866030f7bea5fc4a2de28c72e60bdc3a5b3dZhenyu Wangstatic void brw_update_sampler_state(struct brw_context *brw, 1605c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt int unit, 1612faa592e7f54ef21b799b61ffa50c6bc8039ddc1Kenneth Graunke int ss_index, 1623e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt struct brw_sampler_state *sampler) 1633e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt{ 164956f866030f7bea5fc4a2de28c72e60bdc3a5b3dZhenyu Wang struct intel_context *intel = &brw->intel; 1655c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt struct gl_context *ctx = &intel->ctx; 1665c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; 1675c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt struct gl_texture_object *texObj = texUnit->_Current; 1685c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt struct gl_sampler_object *gl_sampler = _mesa_get_samplerobj(ctx, unit); 169b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt bool using_nearest = false; 170956f866030f7bea5fc4a2de28c72e60bdc3a5b3dZhenyu Wang 171adbfc4a09a21a3a9c707833e21a712a1d3fff7bdKenneth Graunke /* These don't use samplers at all. */ 172adbfc4a09a21a3a9c707833e21a712a1d3fff7bdKenneth Graunke if (texObj->Target == GL_TEXTURE_BUFFER) 173adbfc4a09a21a3a9c707833e21a712a1d3fff7bdKenneth Graunke return; 174adbfc4a09a21a3a9c707833e21a712a1d3fff7bdKenneth Graunke 1755c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt switch (gl_sampler->MinFilter) { 1769f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_NEAREST: 1779f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST; 1789f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_NONE; 179b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt using_nearest = true; 1809f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1819f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_LINEAR: 1829f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR; 1839f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_NONE; 1849f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1859f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_NEAREST_MIPMAP_NEAREST: 1869f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST; 1879f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST; 1889f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1899f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_LINEAR_MIPMAP_NEAREST: 1909f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR; 1919f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST; 1929f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1939f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_NEAREST_MIPMAP_LINEAR: 1949f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST; 1959f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR; 1969f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1979f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_LINEAR_MIPMAP_LINEAR: 1989f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR; 1999f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR; 2009f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2019f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt default: 2029f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2039f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2049f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2059f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Set Anisotropy: 2069f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 2075c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt if (gl_sampler->MaxAnisotropy > 1.0) { 2089f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_ANISOTROPIC; 2099f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mag_filter = BRW_MAPFILTER_ANISOTROPIC; 2109f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2115c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt if (gl_sampler->MaxAnisotropy > 2.0) { 2125c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt sampler->ss3.max_aniso = MIN2((gl_sampler->MaxAnisotropy - 2) / 2, 2139f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt BRW_ANISORATIO_16); 2149f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2159f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2169f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt else { 2175c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt switch (gl_sampler->MagFilter) { 2189f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_NEAREST: 2199f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mag_filter = BRW_MAPFILTER_NEAREST; 220b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt using_nearest = true; 2219f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2229f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_LINEAR: 2239f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mag_filter = BRW_MAPFILTER_LINEAR; 2249f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2259f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt default: 2269f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 2279f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2289f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2299f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 230b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt sampler->ss1.r_wrap_mode = translate_wrap_mode(gl_sampler->WrapR, 231b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt using_nearest); 232b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt sampler->ss1.s_wrap_mode = translate_wrap_mode(gl_sampler->WrapS, 233b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt using_nearest); 234b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt sampler->ss1.t_wrap_mode = translate_wrap_mode(gl_sampler->WrapT, 235b126a0c0cb30b1e2f2df1953fe14d8596d1cf4f7Eric Anholt using_nearest); 236e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick 237956f866030f7bea5fc4a2de28c72e60bdc3a5b3dZhenyu Wang if (intel->gen >= 6 && 238956f866030f7bea5fc4a2de28c72e60bdc3a5b3dZhenyu Wang sampler->ss0.min_filter != sampler->ss0.mag_filter) 239956f866030f7bea5fc4a2de28c72e60bdc3a5b3dZhenyu Wang sampler->ss0.min_mag_neq = 1; 240956f866030f7bea5fc4a2de28c72e60bdc3a5b3dZhenyu Wang 241e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick /* Cube-maps on 965 and later must use the same wrap mode for all 3 242e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick * coordinate dimensions. Futher, only CUBE and CLAMP are valid. 243e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick */ 2445c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt if (texObj->Target == GL_TEXTURE_CUBE_MAP) { 2455c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt if (ctx->Texture.CubeMapSeamless && 2465c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt (gl_sampler->MinFilter != GL_NEAREST || 2475c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt gl_sampler->MagFilter != GL_NEAREST)) { 248e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick sampler->ss1.r_wrap_mode = BRW_TEXCOORDMODE_CUBE; 249e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick sampler->ss1.s_wrap_mode = BRW_TEXCOORDMODE_CUBE; 250e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_CUBE; 251e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick } else { 252e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick sampler->ss1.r_wrap_mode = BRW_TEXCOORDMODE_CLAMP; 253e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick sampler->ss1.s_wrap_mode = BRW_TEXCOORDMODE_CLAMP; 254e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_CLAMP; 255e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick } 2565c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt } else if (texObj->Target == GL_TEXTURE_1D) { 257ab6c4fa582972e25f8800c77b5dd5b3a83afc996Robert Ellison /* There's a bug in 1D texture sampling - it actually pays 258ab6c4fa582972e25f8800c77b5dd5b3a83afc996Robert Ellison * attention to the wrap_t value, though it should not. 259ab6c4fa582972e25f8800c77b5dd5b3a83afc996Robert Ellison * Override the wrap_t value here to GL_REPEAT to keep 260ab6c4fa582972e25f8800c77b5dd5b3a83afc996Robert Ellison * any nonexistent border pixels from floating in. 261ab6c4fa582972e25f8800c77b5dd5b3a83afc996Robert Ellison */ 262ab6c4fa582972e25f8800c77b5dd5b3a83afc996Robert Ellison sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_WRAP; 263ab6c4fa582972e25f8800c77b5dd5b3a83afc996Robert Ellison } 264e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick 2659f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2669f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Set shadow function: 2679f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 2685c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt if (gl_sampler->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB) { 2699f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Shadowing is "enabled" by emitting a particular sampler 2709f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * message (sample_c). So need to recompile WM program when 2719f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * shadow comparison is enabled on each/any texture unit. 2729f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 2733e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt sampler->ss0.shadow_function = 2745c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt intel_translate_shadow_compare_func(gl_sampler->CompareFunc); 2759f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2769f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2779f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Set LOD bias: 2789f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 2795c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt sampler->ss0.lod_bias = S_FIXED(CLAMP(texUnit->LodBias + 2805c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt gl_sampler->LodBias, -16, 15), 6); 2819f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2829f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.lod_preclamp = 1; /* OpenGL mode */ 2839f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.default_color_mode = 0; /* OpenGL/DX10 mode */ 2849f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2855b3eb7538cd9ceb967b6e9e765896183e7c2c4d4Eric Anholt /* Set BaseMipLevel, MaxLOD, MinLOD: 2865b3eb7538cd9ceb967b6e9e765896183e7c2c4d4Eric Anholt * 2875b3eb7538cd9ceb967b6e9e765896183e7c2c4d4Eric Anholt * XXX: I don't think that using firstLevel, lastLevel works, 2885b3eb7538cd9ceb967b6e9e765896183e7c2c4d4Eric Anholt * because we always setup the surface state as if firstLevel == 2895b3eb7538cd9ceb967b6e9e765896183e7c2c4d4Eric Anholt * level zero. Probably have to subtract firstLevel from each of 2905b3eb7538cd9ceb967b6e9e765896183e7c2c4d4Eric Anholt * these: 2915b3eb7538cd9ceb967b6e9e765896183e7c2c4d4Eric Anholt */ 2925b3eb7538cd9ceb967b6e9e765896183e7c2c4d4Eric Anholt sampler->ss0.base_level = U_FIXED(0, 1); 2939f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2945c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt sampler->ss1.max_lod = U_FIXED(CLAMP(gl_sampler->MaxLod, 0, 13), 6); 2955c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt sampler->ss1.min_lod = U_FIXED(CLAMP(gl_sampler->MinLod, 0, 13), 6); 2969f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2979d4b98eb9eadecc17cd1cda0074b420a39e74647Eric Anholt /* On Gen6+, the sampler can handle non-normalized texture 2989d4b98eb9eadecc17cd1cda0074b420a39e74647Eric Anholt * rectangle coordinates natively 2999d4b98eb9eadecc17cd1cda0074b420a39e74647Eric Anholt */ 3009d4b98eb9eadecc17cd1cda0074b420a39e74647Eric Anholt if (intel->gen >= 6 && texObj->Target == GL_TEXTURE_RECTANGLE) { 3019d4b98eb9eadecc17cd1cda0074b420a39e74647Eric Anholt sampler->ss3.non_normalized_coord = 1; 3029d4b98eb9eadecc17cd1cda0074b420a39e74647Eric Anholt } 3039d4b98eb9eadecc17cd1cda0074b420a39e74647Eric Anholt 3042faa592e7f54ef21b799b61ffa50c6bc8039ddc1Kenneth Graunke upload_default_color(brw, gl_sampler, unit, ss_index); 3058c093a1fb0843e152d2a515c5127ccd5999b0d94Brian Paul 306a82a43e8d99e1715dd11c9c091b5ab734079b6a6Eric Anholt if (intel->gen >= 6) { 3072faa592e7f54ef21b799b61ffa50c6bc8039ddc1Kenneth Graunke sampler->ss2.default_color_pointer = brw->wm.sdc_offset[ss_index] >> 5; 308a82a43e8d99e1715dd11c9c091b5ab734079b6a6Eric Anholt } else { 309a82a43e8d99e1715dd11c9c091b5ab734079b6a6Eric Anholt /* reloc */ 310a82a43e8d99e1715dd11c9c091b5ab734079b6a6Eric Anholt sampler->ss2.default_color_pointer = (intel->batch.bo->offset + 3112faa592e7f54ef21b799b61ffa50c6bc8039ddc1Kenneth Graunke brw->wm.sdc_offset[ss_index]) >> 5; 312a82a43e8d99e1715dd11c9c091b5ab734079b6a6Eric Anholt 313a82a43e8d99e1715dd11c9c091b5ab734079b6a6Eric Anholt drm_intel_bo_emit_reloc(intel->batch.bo, 31432dfa6e5ef3d1fb703ec34942c55408be22e7ec3Kenneth Graunke brw->sampler.offset + 3152faa592e7f54ef21b799b61ffa50c6bc8039ddc1Kenneth Graunke ss_index * sizeof(struct brw_sampler_state) + 316a82a43e8d99e1715dd11c9c091b5ab734079b6a6Eric Anholt offsetof(struct brw_sampler_state, ss2), 3172faa592e7f54ef21b799b61ffa50c6bc8039ddc1Kenneth Graunke intel->batch.bo, brw->wm.sdc_offset[ss_index], 318a82a43e8d99e1715dd11c9c091b5ab734079b6a6Eric Anholt I915_GEM_DOMAIN_SAMPLER, 0); 319a82a43e8d99e1715dd11c9c091b5ab734079b6a6Eric Anholt } 32076669381c0de6a49a1edd0b88fa1ae6b86f10b30Yuanhan Liu 32176669381c0de6a49a1edd0b88fa1ae6b86f10b30Yuanhan Liu if (sampler->ss0.min_filter != BRW_MAPFILTER_NEAREST) 32276669381c0de6a49a1edd0b88fa1ae6b86f10b30Yuanhan Liu sampler->ss3.address_round |= BRW_ADDRESS_ROUNDING_ENABLE_U_MIN | 32376669381c0de6a49a1edd0b88fa1ae6b86f10b30Yuanhan Liu BRW_ADDRESS_ROUNDING_ENABLE_V_MIN | 32476669381c0de6a49a1edd0b88fa1ae6b86f10b30Yuanhan Liu BRW_ADDRESS_ROUNDING_ENABLE_R_MIN; 32576669381c0de6a49a1edd0b88fa1ae6b86f10b30Yuanhan Liu if (sampler->ss0.mag_filter != BRW_MAPFILTER_NEAREST) 32676669381c0de6a49a1edd0b88fa1ae6b86f10b30Yuanhan Liu sampler->ss3.address_round |= BRW_ADDRESS_ROUNDING_ENABLE_U_MAG | 32776669381c0de6a49a1edd0b88fa1ae6b86f10b30Yuanhan Liu BRW_ADDRESS_ROUNDING_ENABLE_V_MAG | 32876669381c0de6a49a1edd0b88fa1ae6b86f10b30Yuanhan Liu BRW_ADDRESS_ROUNDING_ENABLE_R_MAG; 3293e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt} 3303e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 3315c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt 3325c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholtstatic void 33332dfa6e5ef3d1fb703ec34942c55408be22e7ec3Kenneth Graunkebrw_upload_samplers(struct brw_context *brw) 3343e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt{ 335f9995b30756140724f41daf963fa06167912be7fKristian Høgsberg struct gl_context *ctx = &brw->intel.ctx; 3365c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt struct brw_sampler_state *samplers; 3373e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 33885e8e9e000732908b259a7e2cbc1724a1be2d447Kenneth Graunke /* BRW_NEW_VERTEX_PROGRAM and BRW_NEW_FRAGMENT_PROGRAM */ 33985e8e9e000732908b259a7e2cbc1724a1be2d447Kenneth Graunke struct gl_program *vs = (struct gl_program *) brw->vertex_program; 34085e8e9e000732908b259a7e2cbc1724a1be2d447Kenneth Graunke struct gl_program *fs = (struct gl_program *) brw->fragment_program; 34185e8e9e000732908b259a7e2cbc1724a1be2d447Kenneth Graunke 34285e8e9e000732908b259a7e2cbc1724a1be2d447Kenneth Graunke GLbitfield SamplersUsed = vs->SamplersUsed | fs->SamplersUsed; 34385e8e9e000732908b259a7e2cbc1724a1be2d447Kenneth Graunke 344a5a86652f17c5bc249a55b558310947a76de3d33Kenneth Graunke /* ARB programs use the texture unit number as the sampler index, so we 345a5a86652f17c5bc249a55b558310947a76de3d33Kenneth Graunke * need to find the highest unit used. A bit-count will not work. 346a5a86652f17c5bc249a55b558310947a76de3d33Kenneth Graunke */ 347a5a86652f17c5bc249a55b558310947a76de3d33Kenneth Graunke brw->sampler.count = _mesa_fls(SamplersUsed); 3489f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 34932dfa6e5ef3d1fb703ec34942c55408be22e7ec3Kenneth Graunke if (brw->sampler.count == 0) 350f75843a517bd188639e6866db2a7b04de3524e16Dave Airlie return; 3513e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 352d375df220fae47f38944c4832bcbd5f5d568884cEric Anholt samplers = brw_state_batch(brw, AUB_TRACE_SAMPLER_STATE, 35332dfa6e5ef3d1fb703ec34942c55408be22e7ec3Kenneth Graunke brw->sampler.count * sizeof(*samplers), 35432dfa6e5ef3d1fb703ec34942c55408be22e7ec3Kenneth Graunke 32, &brw->sampler.offset); 35532dfa6e5ef3d1fb703ec34942c55408be22e7ec3Kenneth Graunke memset(samplers, 0, brw->sampler.count * sizeof(*samplers)); 3563e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 35785e8e9e000732908b259a7e2cbc1724a1be2d447Kenneth Graunke for (unsigned s = 0; s < brw->sampler.count; s++) { 35885e8e9e000732908b259a7e2cbc1724a1be2d447Kenneth Graunke if (SamplersUsed & (1 << s)) { 35985e8e9e000732908b259a7e2cbc1724a1be2d447Kenneth Graunke const unsigned unit = (fs->SamplersUsed & (1 << s)) ? 36085e8e9e000732908b259a7e2cbc1724a1be2d447Kenneth Graunke fs->SamplerUnits[s] : vs->SamplerUnits[s]; 36185e8e9e000732908b259a7e2cbc1724a1be2d447Kenneth Graunke if (ctx->Texture.Unit[unit]._ReallyEnabled) 36285e8e9e000732908b259a7e2cbc1724a1be2d447Kenneth Graunke brw_update_sampler_state(brw, unit, s, &samplers[s]); 36385e8e9e000732908b259a7e2cbc1724a1be2d447Kenneth Graunke } 36438bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt } 3655c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt 3665c742ea1ee0cea031cb99651155d0c7521f42b4eEric Anholt brw->state.dirty.cache |= CACHE_NEW_SAMPLER; 36738bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt} 3689f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 36932dfa6e5ef3d1fb703ec34942c55408be22e7ec3Kenneth Graunkeconst struct brw_tracked_state brw_samplers = { 3709f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt .dirty = { 3719f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt .mesa = _NEW_TEXTURE, 37285e8e9e000732908b259a7e2cbc1724a1be2d447Kenneth Graunke .brw = BRW_NEW_BATCH | 37385e8e9e000732908b259a7e2cbc1724a1be2d447Kenneth Graunke BRW_NEW_VERTEX_PROGRAM | 37485e8e9e000732908b259a7e2cbc1724a1be2d447Kenneth Graunke BRW_NEW_FRAGMENT_PROGRAM, 3759f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt .cache = 0 3769f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt }, 37732dfa6e5ef3d1fb703ec34942c55408be22e7ec3Kenneth Graunke .emit = brw_upload_samplers, 3789f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt}; 3799f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 3809f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 381