brw_wm_sampler_state.c revision 26f8fad1456fdc2b352cea9d3b4c32cb5f6ae947
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" 389f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 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 479f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt/* The brw (and related graphics cores) do not support GL_CLAMP. The 489f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * Intel drivers for "other operating systems" implement GL_CLAMP as 499f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * GL_CLAMP_TO_EDGE, so the same is done here. 509f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 519f344b3e7d6e23674dd4747faec253f103563b36Eric Anholtstatic GLuint translate_wrap_mode( GLenum wrap ) 529f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt{ 539f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt switch( wrap ) { 549f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_REPEAT: 559f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt return BRW_TEXCOORDMODE_WRAP; 569f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_CLAMP: 57ab999608582534bb5187a786b2ea437167f2d8a4Xiang, Haihao return BRW_TEXCOORDMODE_CLAMP; 589f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_CLAMP_TO_EDGE: 599f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt return BRW_TEXCOORDMODE_CLAMP; /* conform likes it this way */ 609f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_CLAMP_TO_BORDER: 619f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt return BRW_TEXCOORDMODE_CLAMP_BORDER; 629f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_MIRRORED_REPEAT: 639f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt return BRW_TEXCOORDMODE_MIRROR; 649f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt default: 659f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt return BRW_TEXCOORDMODE_WRAP; 669f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 679f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt} 689f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 6938bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholtstatic dri_bo *upload_default_color( struct brw_context *brw, 7038bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt const GLfloat *color ) 719f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt{ 729f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt struct brw_sampler_default_color sdc; 739f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 749f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt COPY_4V(sdc.color, color); 759f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 768395da2e8af40367714c70afe299568272f36cc8Eric Anholt return brw_cache_data(&brw->cache, BRW_SAMPLER_DEFAULT_COLOR, 778395da2e8af40367714c70afe299568272f36cc8Eric Anholt &sdc, sizeof(sdc), NULL, 0); 789f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt} 799f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 809f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 813e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholtstruct wm_sampler_key { 823e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt int sampler_count; 833e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 843e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt struct wm_sampler_entry { 856f915b10d5963466567ea5445631192fd9c4e802Brian Paul GLenum tex_target; 863e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt GLenum wrap_r, wrap_s, wrap_t; 873e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt float maxlod, minlod; 883e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt float lod_bias; 893e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt float max_aniso; 903e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt GLenum minfilter, magfilter; 917086df58688dc375ffd4c0fb9a9884eae05a6e46Xiang, Haihao GLenum comparemode, comparefunc; 923e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt dri_bo *sdc_bo; 93e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick 94e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick /** If target is cubemap, take context setting. 95e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick */ 96e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick GLboolean seamless_cube_map; 973e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt } sampler[BRW_MAX_TEX_UNIT]; 983e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt}; 993e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 1003e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt/** 1013e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt * Sets the sampler state for a single unit based off of the sampler key 1023e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt * entry. 1039f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1043e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholtstatic void brw_update_sampler_state(struct wm_sampler_entry *key, 1053e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt dri_bo *sdc_bo, 1063e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt struct brw_sampler_state *sampler) 1073e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt{ 10826f8fad1456fdc2b352cea9d3b4c32cb5f6ae947Kenneth Graunke memset(sampler, 0, sizeof(*sampler)); 1099f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1103e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt switch (key->minfilter) { 1119f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_NEAREST: 1129f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST; 1139f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_NONE; 1149f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1159f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_LINEAR: 1169f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR; 1179f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_NONE; 1189f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1199f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_NEAREST_MIPMAP_NEAREST: 1209f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST; 1219f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST; 1229f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1239f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_LINEAR_MIPMAP_NEAREST: 1249f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR; 1259f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST; 1269f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1279f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_NEAREST_MIPMAP_LINEAR: 1289f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST; 1299f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR; 1309f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1319f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_LINEAR_MIPMAP_LINEAR: 1329f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR; 1339f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR; 1349f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1359f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt default: 1369f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1379f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1389f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1399f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Set Anisotropy: 1409f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1413e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt if (key->max_aniso > 1.0) { 1429f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_ANISOTROPIC; 1439f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mag_filter = BRW_MAPFILTER_ANISOTROPIC; 1449f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1453e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt if (key->max_aniso > 2.0) { 14650853be894aa3edd1e9271f7d625f319209e340fRoland Scheidegger sampler->ss3.max_aniso = MIN2((key->max_aniso - 2) / 2, 1479f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt BRW_ANISORATIO_16); 1489f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1499f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1509f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt else { 1513e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt switch (key->magfilter) { 1529f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_NEAREST: 1539f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mag_filter = BRW_MAPFILTER_NEAREST; 1549f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1559f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_LINEAR: 1569f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mag_filter = BRW_MAPFILTER_LINEAR; 1579f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1589f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt default: 1599f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1609f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1619f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1629f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 163e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick sampler->ss1.r_wrap_mode = translate_wrap_mode(key->wrap_r); 164e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick sampler->ss1.s_wrap_mode = translate_wrap_mode(key->wrap_s); 165e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick sampler->ss1.t_wrap_mode = translate_wrap_mode(key->wrap_t); 166e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick 167e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick /* Cube-maps on 965 and later must use the same wrap mode for all 3 168e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick * coordinate dimensions. Futher, only CUBE and CLAMP are valid. 169e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick */ 170e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick if (key->tex_target == GL_TEXTURE_CUBE_MAP) { 171e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick if (key->seamless_cube_map && 172e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick (key->minfilter != GL_NEAREST || key->magfilter != GL_NEAREST)) { 173e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick sampler->ss1.r_wrap_mode = BRW_TEXCOORDMODE_CUBE; 174e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick sampler->ss1.s_wrap_mode = BRW_TEXCOORDMODE_CUBE; 175e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_CUBE; 176e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick } else { 177e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick sampler->ss1.r_wrap_mode = BRW_TEXCOORDMODE_CLAMP; 178e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick sampler->ss1.s_wrap_mode = BRW_TEXCOORDMODE_CLAMP; 179e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_CLAMP; 180e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick } 181e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick } else if (key->tex_target == GL_TEXTURE_1D) { 182ab6c4fa582972e25f8800c77b5dd5b3a83afc996Robert Ellison /* There's a bug in 1D texture sampling - it actually pays 183ab6c4fa582972e25f8800c77b5dd5b3a83afc996Robert Ellison * attention to the wrap_t value, though it should not. 184ab6c4fa582972e25f8800c77b5dd5b3a83afc996Robert Ellison * Override the wrap_t value here to GL_REPEAT to keep 185ab6c4fa582972e25f8800c77b5dd5b3a83afc996Robert Ellison * any nonexistent border pixels from floating in. 186ab6c4fa582972e25f8800c77b5dd5b3a83afc996Robert Ellison */ 187ab6c4fa582972e25f8800c77b5dd5b3a83afc996Robert Ellison sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_WRAP; 188ab6c4fa582972e25f8800c77b5dd5b3a83afc996Robert Ellison } 189e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick 1909f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1919f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Set shadow function: 1929f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1933e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt if (key->comparemode == GL_COMPARE_R_TO_TEXTURE_ARB) { 1949f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Shadowing is "enabled" by emitting a particular sampler 1959f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * message (sample_c). So need to recompile WM program when 1969f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * shadow comparison is enabled on each/any texture unit. 1979f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1983e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt sampler->ss0.shadow_function = 1997086df58688dc375ffd4c0fb9a9884eae05a6e46Xiang, Haihao intel_translate_shadow_compare_func(key->comparefunc); 2009f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2019f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2029f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Set LOD bias: 2039f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 2043e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt sampler->ss0.lod_bias = S_FIXED(CLAMP(key->lod_bias, -16, 15), 6); 2059f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2069f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.lod_preclamp = 1; /* OpenGL mode */ 2079f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.default_color_mode = 0; /* OpenGL/DX10 mode */ 2089f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2099f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Set BaseMipLevel, MaxLOD, MinLOD: 2109f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * 2119f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * XXX: I don't think that using firstLevel, lastLevel works, 2129f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * because we always setup the surface state as if firstLevel == 2139f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * level zero. Probably have to subtract firstLevel from each of 2149f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * these: 2159f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 2169f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.base_level = U_FIXED(0, 1); 2179f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 218374447244165b3b79892cb6840a76ea4c2f21f1eEric Anholt sampler->ss1.max_lod = U_FIXED(CLAMP(key->maxlod, 0, 13), 6); 219374447244165b3b79892cb6840a76ea4c2f21f1eEric Anholt sampler->ss1.min_lod = U_FIXED(CLAMP(key->minlod, 0, 13), 6); 2209f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 22138bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt sampler->ss2.default_color_pointer = sdc_bo->offset >> 5; /* reloc */ 2229f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt} 2239f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2248c093a1fb0843e152d2a515c5127ccd5999b0d94Brian Paul 2253e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt/** Sets up the cache key for sampler state for all texture units */ 2263e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholtstatic void 2273e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholtbrw_wm_sampler_populate_key(struct brw_context *brw, 2283e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt struct wm_sampler_key *key) 2299f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt{ 230052c1d66a1ab1f2665870dc77dab28d20416cdf1Eric Anholt GLcontext *ctx = &brw->intel.ctx; 2313e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt int unit; 2323e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 2333e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt memset(key, 0, sizeof(*key)); 2349f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2359f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt for (unit = 0; unit < BRW_MAX_TEX_UNIT; unit++) { 236052c1d66a1ab1f2665870dc77dab28d20416cdf1Eric Anholt if (ctx->Texture.Unit[unit]._ReallyEnabled) { 2373e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt struct wm_sampler_entry *entry = &key->sampler[unit]; 238052c1d66a1ab1f2665870dc77dab28d20416cdf1Eric Anholt struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; 2399f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt struct gl_texture_object *texObj = texUnit->_Current; 2407216679c1998b49ff5b08e6b43f8d5779415bf54Eric Anholt struct intel_texture_object *intelObj = intel_texture_object(texObj); 2417216679c1998b49ff5b08e6b43f8d5779415bf54Eric Anholt struct gl_texture_image *firstImage = 2427216679c1998b49ff5b08e6b43f8d5779415bf54Eric Anholt texObj->Image[0][intelObj->firstLevel]; 2436f915b10d5963466567ea5445631192fd9c4e802Brian Paul 2446f915b10d5963466567ea5445631192fd9c4e802Brian Paul entry->tex_target = texObj->Target; 245e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick 246e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick entry->seamless_cube_map = (texObj->Target == GL_TEXTURE_CUBE_MAP) 247e304c65a2b9c1005d6216e91d90a99001549a63dIan Romanick ? ctx->Texture.CubeMapSeamless : GL_FALSE; 2489f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2493e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->wrap_r = texObj->WrapR; 2503e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->wrap_s = texObj->WrapS; 2513e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->wrap_t = texObj->WrapT; 2529f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2533e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->maxlod = texObj->MaxLod; 2543e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->minlod = texObj->MinLod; 2553e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->lod_bias = texUnit->LodBias + texObj->LodBias; 2563e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->max_aniso = texObj->MaxAnisotropy; 2573e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->minfilter = texObj->MinFilter; 2583e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->magfilter = texObj->MagFilter; 2593e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->comparemode = texObj->CompareMode; 2601b3e3e6b841535b78ff4fa1d3861e9d8cdeff972Brian Paul entry->comparefunc = texObj->CompareFunc; 2619f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 26238bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt dri_bo_unreference(brw->wm.sdc_bo[unit]); 2637216679c1998b49ff5b08e6b43f8d5779415bf54Eric Anholt if (firstImage->_BaseFormat == GL_DEPTH_COMPONENT) { 2647216679c1998b49ff5b08e6b43f8d5779415bf54Eric Anholt float bordercolor[4] = { 265f6c2d1f94ffa8f87b22ed1ff5c465d0e9aa1489eBrian Paul texObj->BorderColor.f[0], 266f6c2d1f94ffa8f87b22ed1ff5c465d0e9aa1489eBrian Paul texObj->BorderColor.f[0], 267f6c2d1f94ffa8f87b22ed1ff5c465d0e9aa1489eBrian Paul texObj->BorderColor.f[0], 268f6c2d1f94ffa8f87b22ed1ff5c465d0e9aa1489eBrian Paul texObj->BorderColor.f[0] 2697216679c1998b49ff5b08e6b43f8d5779415bf54Eric Anholt }; 2707216679c1998b49ff5b08e6b43f8d5779415bf54Eric Anholt /* GL specs that border color for depth textures is taken from the 2717216679c1998b49ff5b08e6b43f8d5779415bf54Eric Anholt * R channel, while the hardware uses A. Spam R into all the 2727216679c1998b49ff5b08e6b43f8d5779415bf54Eric Anholt * channels for safety. 2737216679c1998b49ff5b08e6b43f8d5779415bf54Eric Anholt */ 2747216679c1998b49ff5b08e6b43f8d5779415bf54Eric Anholt brw->wm.sdc_bo[unit] = upload_default_color(brw, bordercolor); 2757216679c1998b49ff5b08e6b43f8d5779415bf54Eric Anholt } else { 2767216679c1998b49ff5b08e6b43f8d5779415bf54Eric Anholt brw->wm.sdc_bo[unit] = upload_default_color(brw, 277f6c2d1f94ffa8f87b22ed1ff5c465d0e9aa1489eBrian Paul texObj->BorderColor.f); 2787216679c1998b49ff5b08e6b43f8d5779415bf54Eric Anholt } 2793e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt key->sampler_count = unit + 1; 2809f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2819f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2823e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt} 2833e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 2843e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt/* All samplers must be uploaded in a single contiguous array, which 2853e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt * complicates various things. However, this is still too confusing - 2863e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt * FIXME: simplify all the different new texture state flags. 2873e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt */ 288f75843a517bd188639e6866db2a7b04de3524e16Dave Airliestatic void upload_wm_samplers( struct brw_context *brw ) 2893e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt{ 290052c1d66a1ab1f2665870dc77dab28d20416cdf1Eric Anholt GLcontext *ctx = &brw->intel.ctx; 2913e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt struct wm_sampler_key key; 2923e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt int i; 2933e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 2943e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw_wm_sampler_populate_key(brw, &key); 2953e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 2963e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt if (brw->wm.sampler_count != key.sampler_count) { 2973e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw->wm.sampler_count = key.sampler_count; 2989f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt brw->state.dirty.cache |= CACHE_NEW_SAMPLER; 2999f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 3009f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 30138bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt dri_bo_unreference(brw->wm.sampler_bo); 3023e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw->wm.sampler_bo = NULL; 3033e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt if (brw->wm.sampler_count == 0) 304f75843a517bd188639e6866db2a7b04de3524e16Dave Airlie return; 3053e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 3063e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw->wm.sampler_bo = brw_search_cache(&brw->cache, BRW_SAMPLER, 3073e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt &key, sizeof(key), 3083e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw->wm.sdc_bo, key.sampler_count, 3093e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt NULL); 3103e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 3113e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt /* If we didnt find it in the cache, compute the state and put it in the 3123e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt * cache. 3133e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt */ 3143e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt if (brw->wm.sampler_bo == NULL) { 3153e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt struct brw_sampler_state sampler[BRW_MAX_TEX_UNIT]; 3163e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 3173e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt memset(sampler, 0, sizeof(sampler)); 3183e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt for (i = 0; i < key.sampler_count; i++) { 3193e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt if (brw->wm.sdc_bo[i] == NULL) 3203e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt continue; 3213e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 3223e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw_update_sampler_state(&key.sampler[i], brw->wm.sdc_bo[i], 3233e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt &sampler[i]); 3243e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt } 3253e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 3263e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw->wm.sampler_bo = brw_upload_cache(&brw->cache, BRW_SAMPLER, 3273e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt &key, sizeof(key), 3283e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw->wm.sdc_bo, key.sampler_count, 32962a96f74c9a1fd07301d349e4181a7212fc7d45cEric Anholt &sampler, sizeof(sampler)); 3309f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 3318abffada70fcd62e3c2dcbcdc6d00d258805326bEric Anholt /* Emit SDC relocations */ 3328abffada70fcd62e3c2dcbcdc6d00d258805326bEric Anholt for (i = 0; i < BRW_MAX_TEX_UNIT; i++) { 333052c1d66a1ab1f2665870dc77dab28d20416cdf1Eric Anholt if (!ctx->Texture.Unit[i]._ReallyEnabled) 3348abffada70fcd62e3c2dcbcdc6d00d258805326bEric Anholt continue; 33538bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt 3363628185f566e178a12b493fb89abf52b4b281f99Eric Anholt dri_bo_emit_reloc(brw->wm.sampler_bo, 33717fdd1ab3b48da8dff742e626c3c59bc89cafeedEric Anholt I915_GEM_DOMAIN_SAMPLER, 0, 3383628185f566e178a12b493fb89abf52b4b281f99Eric Anholt 0, 3393628185f566e178a12b493fb89abf52b4b281f99Eric Anholt i * sizeof(struct brw_sampler_state) + 3403628185f566e178a12b493fb89abf52b4b281f99Eric Anholt offsetof(struct brw_sampler_state, ss2), 3413628185f566e178a12b493fb89abf52b4b281f99Eric Anholt brw->wm.sdc_bo[i]); 3428abffada70fcd62e3c2dcbcdc6d00d258805326bEric Anholt } 34338bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt } 34438bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt} 3459f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 3469f344b3e7d6e23674dd4747faec253f103563b36Eric Anholtconst struct brw_tracked_state brw_wm_samplers = { 3479f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt .dirty = { 3489f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt .mesa = _NEW_TEXTURE, 3499f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt .brw = 0, 3509f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt .cache = 0 3519f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt }, 352008653ac55776d6b1c6d1627ad20937aa1c4dbdaDave Airlie .prepare = upload_wm_samplers, 3539f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt}; 3549f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 3559f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 356