brw_wm_sampler_state.c revision 38bad7677e57d629eeffd4ef39a7fc254db12735
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 949f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt/* 959f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 969f344b3e7d6e23674dd4747faec253f103563b36Eric Anholtstatic void brw_update_sampler_state( struct gl_texture_unit *texUnit, 979f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt struct gl_texture_object *texObj, 9838bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt dri_bo *sdc_bo, 999f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt struct brw_sampler_state *sampler) 1009f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt{ 1019f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt _mesa_memset(sampler, 0, sizeof(*sampler)); 1029f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1039f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt switch (texObj->MinFilter) { 1049f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_NEAREST: 1059f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST; 1069f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_NONE; 1079f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1089f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_LINEAR: 1099f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR; 1109f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_NONE; 1119f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1129f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_NEAREST_MIPMAP_NEAREST: 1139f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST; 1149f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST; 1159f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1169f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_LINEAR_MIPMAP_NEAREST: 1179f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR; 1189f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST; 1199f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1209f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_NEAREST_MIPMAP_LINEAR: 1219f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST; 1229f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR; 1239f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1249f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_LINEAR_MIPMAP_LINEAR: 1259f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR; 1269f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR; 1279f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1289f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt default: 1299f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1309f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1319f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1329f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Set Anisotropy: 1339f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1349f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if ( texObj->MaxAnisotropy > 1.0 ) { 1359f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.min_filter = BRW_MAPFILTER_ANISOTROPIC; 1369f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mag_filter = BRW_MAPFILTER_ANISOTROPIC; 1379f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1389f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if (texObj->MaxAnisotropy > 2.0) { 1399f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss3.max_aniso = MAX2((texObj->MaxAnisotropy - 2) / 2, 1409f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt BRW_ANISORATIO_16); 1419f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1429f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1439f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt else { 1449f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt switch (texObj->MagFilter) { 1459f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_NEAREST: 1469f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mag_filter = BRW_MAPFILTER_NEAREST; 1479f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1489f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt case GL_LINEAR: 1499f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.mag_filter = BRW_MAPFILTER_LINEAR; 1509f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1519f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt default: 1529f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt break; 1539f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1549f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1559f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1569f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss1.r_wrap_mode = translate_wrap_mode(texObj->WrapR); 1579f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss1.s_wrap_mode = translate_wrap_mode(texObj->WrapS); 1589f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss1.t_wrap_mode = translate_wrap_mode(texObj->WrapT); 1599f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1609f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Fulsim complains if I don't do this. Hardware doesn't mind: 1619f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1629f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt#if 0 1639f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if (texObj->Target == GL_TEXTURE_CUBE_MAP_ARB) { 1649f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss1.r_wrap_mode = BRW_TEXCOORDMODE_CUBE; 1659f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss1.s_wrap_mode = BRW_TEXCOORDMODE_CUBE; 1669f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_CUBE; 1679f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1689f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt#endif 1699f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1709f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Set shadow function: 1719f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1729f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if (texObj->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB) { 1739f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Shadowing is "enabled" by emitting a particular sampler 1749f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * message (sample_c). So need to recompile WM program when 1759f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * shadow comparison is enabled on each/any texture unit. 1769f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 177a0a5e8cfc04c14873441b50f7d594ef11806b9a8Xiang, Haihao sampler->ss0.shadow_function = intel_translate_shadow_compare_func(texObj->CompareFunc); 1789f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 1799f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1809f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Set LOD bias: 1819f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 182241b7bc0a3e6277e15bb45887ad5533ffe692428Xiang, Haihao sampler->ss0.lod_bias = S_FIXED(CLAMP(texUnit->LodBias + texObj->LodBias, -16, 15), 6); 1839f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1849f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.lod_preclamp = 1; /* OpenGL mode */ 1859f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.default_color_mode = 0; /* OpenGL/DX10 mode */ 1869f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 1879f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* Set BaseMipLevel, MaxLOD, MinLOD: 1889f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * 1899f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * XXX: I don't think that using firstLevel, lastLevel works, 1909f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * because we always setup the surface state as if firstLevel == 1919f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * level zero. Probably have to subtract firstLevel from each of 1929f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * these: 1939f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 1949f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler->ss0.base_level = U_FIXED(0, 1); 1959f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 19622bc3cdd49eb81d48ad4b8f06be0b9a9de624c91Xiang, Haihao sampler->ss1.max_lod = U_FIXED(MIN2(MAX2(texObj->MaxLod, 0), 13), 6); 19722bc3cdd49eb81d48ad4b8f06be0b9a9de624c91Xiang, Haihao sampler->ss1.min_lod = U_FIXED(MIN2(MAX2(texObj->MinLod, 0), 13), 6); 1989f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 19938bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt sampler->ss2.default_color_pointer = sdc_bo->offset >> 5; /* reloc */ 2009f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt} 2019f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2029f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2039f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2049f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt/* All samplers must be uploaded in a single contiguous array, which 2059f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * complicates various things. However, this is still too confusing - 2069f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt * FIXME: simplify all the different new texture state flags. 2079f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt */ 2089f344b3e7d6e23674dd4747faec253f103563b36Eric Anholtstatic void upload_wm_samplers( struct brw_context *brw ) 2099f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt{ 2109f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt GLuint unit; 2119f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt GLuint sampler_count = 0; 21238bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt dri_bo *reloc_bufs[BRW_MAX_TEX_UNIT]; 2139f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2149f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt /* _NEW_TEXTURE */ 2159f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt for (unit = 0; unit < BRW_MAX_TEX_UNIT; unit++) { 2169f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if (brw->attribs.Texture->Unit[unit]._ReallyEnabled) { 2179f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt struct gl_texture_unit *texUnit = &brw->attribs.Texture->Unit[unit]; 2189f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt struct gl_texture_object *texObj = texUnit->_Current; 2199f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 22038bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt dri_bo_unreference(brw->wm.sdc_bo[unit]); 22138bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt brw->wm.sdc_bo[unit] = upload_default_color(brw, texObj->BorderColor); 2229f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2239f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt brw_update_sampler_state(texUnit, 22438bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt texObj, 22538bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt brw->wm.sdc_bo[unit], 2269f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt &brw->wm.sampler[unit]); 2279f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2289f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt sampler_count = unit + 1; 22938bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt } else { 23038bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt dri_bo_unreference(brw->wm.sdc_bo[unit]); 23138bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt brw->wm.sdc_bo[unit] = NULL; 2329f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 23338bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt reloc_bufs[unit] = brw->wm.sdc_bo[unit]; 2349f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2359f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2369f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt if (brw->wm.sampler_count != sampler_count) { 2379f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt brw->wm.sampler_count = sampler_count; 2389f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt brw->state.dirty.cache |= CACHE_NEW_SAMPLER; 2399f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt } 2409f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 24138bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt dri_bo_unreference(brw->wm.sampler_bo); 24238bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt if (brw->wm.sampler_count) { 24338bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt brw->wm.sampler_bo = 24438bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt brw_cache_data_sz(&brw->cache, BRW_SAMPLER, 2459f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt brw->wm.sampler, 24638bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt sizeof(struct brw_sampler_state) * 24738bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt brw->wm.sampler_count, 24838bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt reloc_bufs, BRW_MAX_TEX_UNIT); 24938bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt } else { 25038bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt brw->wm.sampler_bo = NULL; 25138bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt } 2529f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt} 2539f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 25438bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholtstatic void emit_reloc_wm_samplers(struct brw_context *brw) 25538bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt{ 25638bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt GLuint unit; 25738bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt 25838bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt if (brw->wm.sampler_count == 0) 25938bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt return; 26038bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt 26138bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt /* Emit SDC relocations */ 26238bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt for (unit = 0; unit < BRW_MAX_TEX_UNIT; unit++) { 26338bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt if (!brw->attribs.Texture->Unit[unit]._ReallyEnabled) 26438bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt continue; 26538bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt 26638bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt dri_emit_reloc(brw->wm.sampler_bo, 26738bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, 26838bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt 0, 26938bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt unit * sizeof(struct brw_sampler_state) + 27038bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt offsetof(struct brw_sampler_state, ss2), 27138bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt brw->wm.sdc_bo[unit]); 27238bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt } 27338bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt} 2749f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2759f344b3e7d6e23674dd4747faec253f103563b36Eric Anholtconst struct brw_tracked_state brw_wm_samplers = { 2769f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt .dirty = { 2779f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt .mesa = _NEW_TEXTURE, 2789f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt .brw = 0, 2799f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt .cache = 0 2809f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt }, 28138bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt .update = upload_wm_samplers, 28238bad7677e57d629eeffd4ef39a7fc254db12735Eric Anholt .emit_reloc = emit_reloc_wm_samplers, 2839f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt}; 2849f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 2859f344b3e7d6e23674dd4747faec253f103563b36Eric Anholt 286