brw_wm_sampler_state.c revision f75843a517bd188639e6866db2a7b04de3524e16
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 379f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt#include "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 699f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 709f344b3e7d6e23674dd4747faec253f103563b36Eric Anholtstatic GLuint U_FIXED(GLfloat value, GLuint frac_bits) 719f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt{ 729f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt value *= (1<<frac_bits); 739f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt return value < 0 ? 0 : value; 749f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt} 759f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 769f344b3e7d6e23674dd4747faec253f103563b36Eric Anholtstatic GLint S_FIXED(GLfloat value, GLuint frac_bits) 779f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt{ 789f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt return value * (1<<frac_bits); 799f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt} 809f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 819f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 8238bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholtstatic dri_bo *upload_default_color( struct brw_context *brw, 8338bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt const GLfloat *color ) 849f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt{ 859f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt struct brw_sampler_default_color sdc; 869f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 879f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt COPY_4V(sdc.color, color); 889f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 8938bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt return brw_cache_data( &brw->cache, BRW_SAMPLER_DEFAULT_COLOR, &sdc, 9038bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt NULL, 0 ); 919f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt} 929f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 939f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 943e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholtstruct wm_sampler_key { 953e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt int sampler_count; 963e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 973e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt struct wm_sampler_entry { 983e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt GLenum wrap_r, wrap_s, wrap_t; 993e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt float maxlod, minlod; 1003e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt float lod_bias; 1013e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt float max_aniso; 1023e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt GLenum minfilter, magfilter; 1037086df58688dc375ffd4c0fb9a9884eae05a6e46Xiang, Haihao GLenum comparemode, comparefunc; 1043e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt dri_bo *sdc_bo; 1053e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt } sampler[BRW_MAX_TEX_UNIT]; 1063e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt}; 1073e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 1083e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt/** 1093e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt * Sets the sampler state for a single unit based off of the sampler key 1103e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt * entry. 1119f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1123e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholtstatic void brw_update_sampler_state(struct wm_sampler_entry *key, 1133e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt dri_bo *sdc_bo, 1143e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt struct brw_sampler_state *sampler) 1153e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt{ 1169f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt _mesa_memset(sampler, 0, sizeof(*sampler)); 1179f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1183e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt switch (key->minfilter) { 1199f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_NEAREST: 1209f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST; 1219f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_NONE; 1229f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1239f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_LINEAR: 1249f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR; 1259f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_NONE; 1269f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1279f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_NEAREST_MIPMAP_NEAREST: 1289f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST; 1299f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST; 1309f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1319f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_LINEAR_MIPMAP_NEAREST: 1329f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR; 1339f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST; 1349f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1359f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_NEAREST_MIPMAP_LINEAR: 1369f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST; 1379f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR; 1389f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1399f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_LINEAR_MIPMAP_LINEAR: 1409f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR; 1419f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR; 1429f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1439f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt default: 1449f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1459f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1469f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1479f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Set Anisotropy: 1489f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1493e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt if (key->max_aniso > 1.0) { 1509f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_ANISOTROPIC; 1519f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mag_filter = BRW_MAPFILTER_ANISOTROPIC; 1529f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1533e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt if (key->max_aniso > 2.0) { 1543e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt sampler->ss3.max_aniso = MAX2((key->max_aniso - 2) / 2, 1559f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt BRW_ANISORATIO_16); 1569f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1579f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1589f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt else { 1593e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt switch (key->magfilter) { 1609f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_NEAREST: 1619f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mag_filter = BRW_MAPFILTER_NEAREST; 1629f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1639f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_LINEAR: 1649f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mag_filter = BRW_MAPFILTER_LINEAR; 1659f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1669f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt default: 1679f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1689f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1699f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1709f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1713e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt sampler->ss1.r_wrap_mode = translate_wrap_mode(key->wrap_r); 1723e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt sampler->ss1.s_wrap_mode = translate_wrap_mode(key->wrap_s); 1733e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt sampler->ss1.t_wrap_mode = translate_wrap_mode(key->wrap_t); 1749f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1759f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Fulsim complains if I don't do this. Hardware doesn't mind: 1769f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1779f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt#if 0 1789f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if (texObj->Target == GL_TEXTURE_CUBE_MAP_ARB) { 1799f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss1.r_wrap_mode = BRW_TEXCOORDMODE_CUBE; 1809f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss1.s_wrap_mode = BRW_TEXCOORDMODE_CUBE; 1819f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_CUBE; 1829f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1839f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt#endif 1849f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1859f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Set shadow function: 1869f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1873e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt if (key->comparemode == GL_COMPARE_R_TO_TEXTURE_ARB) { 1889f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Shadowing is "enabled" by emitting a particular sampler 1899f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * message (sample_c). So need to recompile WM program when 1909f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * shadow comparison is enabled on each/any texture unit. 1919f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1923e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt sampler->ss0.shadow_function = 1937086df58688dc375ffd4c0fb9a9884eae05a6e46Xiang, Haihao intel_translate_shadow_compare_func(key->comparefunc); 1949f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1959f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1969f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Set LOD bias: 1979f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1983e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt sampler->ss0.lod_bias = S_FIXED(CLAMP(key->lod_bias, -16, 15), 6); 1999f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2009f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.lod_preclamp = 1; /* OpenGL mode */ 2019f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.default_color_mode = 0; /* OpenGL/DX10 mode */ 2029f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2039f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Set BaseMipLevel, MaxLOD, MinLOD: 2049f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * 2059f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * XXX: I don't think that using firstLevel, lastLevel works, 2069f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * because we always setup the surface state as if firstLevel == 2079f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * level zero. Probably have to subtract firstLevel from each of 2089f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * these: 2099f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 2109f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.base_level = U_FIXED(0, 1); 2119f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2123e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt sampler->ss1.max_lod = U_FIXED(MIN2(MAX2(key->maxlod, 0), 13), 6); 2133e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt sampler->ss1.min_lod = U_FIXED(MIN2(MAX2(key->minlod, 0), 13), 6); 2149f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 21538bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt sampler->ss2.default_color_pointer = sdc_bo->offset >> 5; /* reloc */ 2169f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt} 2179f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2183e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt/** Sets up the cache key for sampler state for all texture units */ 2193e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholtstatic void 2203e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholtbrw_wm_sampler_populate_key(struct brw_context *brw, 2213e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt struct wm_sampler_key *key) 2229f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt{ 2233e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt int unit; 2243e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 2253e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt memset(key, 0, sizeof(*key)); 2269f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2279f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt for (unit = 0; unit < BRW_MAX_TEX_UNIT; unit++) { 2283e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt if (brw->attribs.Texture->Unit[unit]._ReallyEnabled) { 2293e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt struct wm_sampler_entry *entry = &key->sampler[unit]; 2309f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt struct gl_texture_unit *texUnit = &brw->attribs.Texture->Unit[unit]; 2319f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt struct gl_texture_object *texObj = texUnit->_Current; 2329f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2333e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->wrap_r = texObj->WrapR; 2343e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->wrap_s = texObj->WrapS; 2353e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->wrap_t = texObj->WrapT; 2369f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2373e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->maxlod = texObj->MaxLod; 2383e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->minlod = texObj->MinLod; 2393e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->lod_bias = texUnit->LodBias + texObj->LodBias; 2403e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->max_aniso = texObj->MaxAnisotropy; 2413e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->minfilter = texObj->MinFilter; 2423e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->magfilter = texObj->MagFilter; 2433e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt entry->comparemode = texObj->CompareMode; 2447086df58688dc375ffd4c0fb9a9884eae05a6e46Xiang, Haihao entry->comparefunc = texObj->CompareFunc; 2459f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 24638bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt dri_bo_unreference(brw->wm.sdc_bo[unit]); 2473e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw->wm.sdc_bo[unit] = upload_default_color(brw, texObj->BorderColor); 2483e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 2493e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt key->sampler_count = unit + 1; 2509f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2519f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2523e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt} 2533e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 2543e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt/* All samplers must be uploaded in a single contiguous array, which 2553e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt * complicates various things. However, this is still too confusing - 2563e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt * FIXME: simplify all the different new texture state flags. 2573e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt */ 258f75843a517bd188639e6866db2a7b04de3524e16Dave Airliestatic void upload_wm_samplers( struct brw_context *brw ) 2593e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt{ 2603e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt struct wm_sampler_key key; 2613e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt int i; 2623e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 2633e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw_wm_sampler_populate_key(brw, &key); 2643e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 2653e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt if (brw->wm.sampler_count != key.sampler_count) { 2663e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw->wm.sampler_count = key.sampler_count; 2679f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt brw->state.dirty.cache |= CACHE_NEW_SAMPLER; 2689f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2699f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 27038bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt dri_bo_unreference(brw->wm.sampler_bo); 2713e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw->wm.sampler_bo = NULL; 2723e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt if (brw->wm.sampler_count == 0) 273f75843a517bd188639e6866db2a7b04de3524e16Dave Airlie return; 2743e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 2753e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw->wm.sampler_bo = brw_search_cache(&brw->cache, BRW_SAMPLER, 2763e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt &key, sizeof(key), 2773e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw->wm.sdc_bo, key.sampler_count, 2783e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt NULL); 2793e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 2803e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt /* If we didnt find it in the cache, compute the state and put it in the 2813e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt * cache. 2823e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt */ 2833e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt if (brw->wm.sampler_bo == NULL) { 2843e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt struct brw_sampler_state sampler[BRW_MAX_TEX_UNIT]; 2853e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 2863e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt memset(sampler, 0, sizeof(sampler)); 2873e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt for (i = 0; i < key.sampler_count; i++) { 2883e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt if (brw->wm.sdc_bo[i] == NULL) 2893e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt continue; 2903e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 2913e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw_update_sampler_state(&key.sampler[i], brw->wm.sdc_bo[i], 2923e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt &sampler[i]); 2933e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt } 2943e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt 2953e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw->wm.sampler_bo = brw_upload_cache(&brw->cache, BRW_SAMPLER, 2963e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt &key, sizeof(key), 2973e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt brw->wm.sdc_bo, key.sampler_count, 2983e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt &sampler, sizeof(sampler), 2993e3644c6e8f3559fd5bcd862d5edb627aceb3ecaEric Anholt NULL, NULL); 3009f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 3018abffada70fcd62e3c2dcbcdc6d00d258805326bEric Anholt /* Emit SDC relocations */ 3028abffada70fcd62e3c2dcbcdc6d00d258805326bEric Anholt for (i = 0; i < BRW_MAX_TEX_UNIT; i++) { 3038abffada70fcd62e3c2dcbcdc6d00d258805326bEric Anholt if (!brw->attribs.Texture->Unit[i]._ReallyEnabled) 3048abffada70fcd62e3c2dcbcdc6d00d258805326bEric Anholt continue; 30538bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt 306f75843a517bd188639e6866db2a7b04de3524e16Dave Airlie intel_bo_emit_reloc(brw->wm.sampler_bo, 307f75843a517bd188639e6866db2a7b04de3524e16Dave Airlie I915_GEM_DOMAIN_INSTRUCTION, 0, 308f75843a517bd188639e6866db2a7b04de3524e16Dave Airlie 0, 309f75843a517bd188639e6866db2a7b04de3524e16Dave Airlie i * sizeof(struct brw_sampler_state) + 310f75843a517bd188639e6866db2a7b04de3524e16Dave Airlie offsetof(struct brw_sampler_state, ss2), 311f75843a517bd188639e6866db2a7b04de3524e16Dave Airlie brw->wm.sdc_bo[i]); 3128abffada70fcd62e3c2dcbcdc6d00d258805326bEric Anholt } 31338bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt } 31438bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt} 3159f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 3169f344b3e7d6e23674dd4747faec253f103563b36Eric Anholtconst struct brw_tracked_state brw_wm_samplers = { 3179f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt .dirty = { 3189f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt .mesa = _NEW_TEXTURE, 3199f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt .brw = 0, 3209f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt .cache = 0 3219f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt }, 322008653ac55776d6b1c6d1627ad20937aa1c4dbdaDave Airlie .prepare = upload_wm_samplers, 3239f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt}; 3249f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 3259f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 326