/* * Copyright © 2011 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #include "main/context.h" #include "main/mtypes.h" #include "brw_context.h" #include "brw_state.h" #include "brw_defines.h" #include "brw_wm.h" struct surface_format_info { bool exists; int sampling; int filtering; int shadow_compare; int chroma_key; int render_target; int alpha_blend; int input_vb; int streamed_output_vb; int color_processing; }; /* This macro allows us to write the table almost as it appears in the PRM, * while restructuring it to turn it into the C code we want. */ #define SF(sampl, filt, shad, ck, rt, ab, vb, so, color, sf) \ [sf] = { true, sampl, filt, shad, ck, rt, ab, vb, so, color }, #define Y 0 #define x 999 /** * This is the table of support for surface (texture, renderbuffer, and vertex * buffer, but not depthbuffer) formats across the various hardware generations. * * The table is formatted to match the documentation, except that the docs have * this ridiculous mapping of Y[*+~^#&] for "supported on DevWhatever". To put * it in our table, here's the mapping: * * Y*: 45 * Y+: 45 (g45/gm45) * Y~: 50 (gen5) * Y^: 60 (gen6) * Y#: 70 (gen7) * * The abbreviations in the header below are: * smpl - Sampling Engine * filt - Sampling Engine Filtering * shad - Sampling Engine Shadow Map * CK - Sampling Engine Chroma Key * RT - Render Target * AB - Alpha Blend Render Target * VB - Input Vertex Buffer * SO - Steamed Output Vertex Buffers (transform feedback) * color - Color Processing * * See page 88 of the Sandybridge PRM VOL4_Part1 PDF. * * As of Ivybridge, the columns are no longer in that table and the * information can be found spread across: * * - VOL2_Part1 section 2.5.11 Format Conversion (vertex fetch). * - VOL4_Part1 section 2.12.2.1.2 Sampler Output Channel Mapping. * - VOL4_Part1 section 3.9.11 Render Target Write. */ const struct surface_format_info surface_formats[] = { /* smpl filt shad CK RT AB VB SO color */ SF( Y, 50, x, x, Y, Y, Y, Y, x, BRW_SURFACEFORMAT_R32G32B32A32_FLOAT) SF( Y, x, x, x, Y, x, Y, Y, x, BRW_SURFACEFORMAT_R32G32B32A32_SINT) SF( Y, x, x, x, Y, x, Y, Y, x, BRW_SURFACEFORMAT_R32G32B32A32_UINT) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R32G32B32A32_UNORM) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R32G32B32A32_SNORM) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R64G64_FLOAT) SF( Y, 50, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R32G32B32X32_FLOAT) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R32G32B32A32_SSCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R32G32B32A32_USCALED) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R32G32B32A32_SFIXED) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R64G64_PASSTHRU) SF( Y, 50, x, x, x, x, Y, Y, x, BRW_SURFACEFORMAT_R32G32B32_FLOAT) SF( Y, x, x, x, x, x, Y, Y, x, BRW_SURFACEFORMAT_R32G32B32_SINT) SF( Y, x, x, x, x, x, Y, Y, x, BRW_SURFACEFORMAT_R32G32B32_UINT) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R32G32B32_UNORM) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R32G32B32_SNORM) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R32G32B32_SSCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R32G32B32_USCALED) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R32G32B32_SFIXED) SF( Y, Y, x, x, Y, 45, Y, x, 60, BRW_SURFACEFORMAT_R16G16B16A16_UNORM) SF( Y, Y, x, x, Y, 60, Y, x, x, BRW_SURFACEFORMAT_R16G16B16A16_SNORM) SF( Y, x, x, x, Y, x, Y, x, x, BRW_SURFACEFORMAT_R16G16B16A16_SINT) SF( Y, x, x, x, Y, x, Y, x, x, BRW_SURFACEFORMAT_R16G16B16A16_UINT) SF( Y, Y, x, x, Y, Y, Y, x, x, BRW_SURFACEFORMAT_R16G16B16A16_FLOAT) SF( Y, 50, x, x, Y, Y, Y, Y, x, BRW_SURFACEFORMAT_R32G32_FLOAT) SF( Y, 70, x, x, Y, Y, Y, Y, x, BRW_SURFACEFORMAT_R32G32_FLOAT_LD) SF( Y, x, x, x, Y, x, Y, Y, x, BRW_SURFACEFORMAT_R32G32_SINT) SF( Y, x, x, x, Y, x, Y, Y, x, BRW_SURFACEFORMAT_R32G32_UINT) SF( Y, 50, Y, x, x, x, x, x, x, BRW_SURFACEFORMAT_R32_FLOAT_X8X24_TYPELESS) SF( Y, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_X32_TYPELESS_G8X24_UINT) SF( Y, 50, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_L32A32_FLOAT) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R32G32_UNORM) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R32G32_SNORM) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R64_FLOAT) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R16G16B16X16_UNORM) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R16G16B16X16_FLOAT) SF( Y, 50, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_A32X32_FLOAT) SF( Y, 50, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_L32X32_FLOAT) SF( Y, 50, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_I32X32_FLOAT) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R16G16B16A16_SSCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R16G16B16A16_USCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R32G32_SSCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R32G32_USCALED) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R32G32_SFIXED) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R64_PASSTHRU) SF( Y, Y, x, Y, Y, Y, Y, x, 60, BRW_SURFACEFORMAT_B8G8R8A8_UNORM) SF( Y, Y, x, x, Y, Y, x, x, x, BRW_SURFACEFORMAT_B8G8R8A8_UNORM_SRGB) /* smpl filt shad CK RT AB VB SO color */ SF( Y, Y, x, x, Y, Y, Y, x, 60, BRW_SURFACEFORMAT_R10G10B10A2_UNORM) SF( Y, Y, x, x, x, x, x, x, 60, BRW_SURFACEFORMAT_R10G10B10A2_UNORM_SRGB) SF( Y, x, x, x, Y, x, Y, x, x, BRW_SURFACEFORMAT_R10G10B10A2_UINT) SF( Y, Y, x, x, x, Y, Y, x, x, BRW_SURFACEFORMAT_R10G10B10_SNORM_A2_UNORM) SF( Y, Y, x, x, Y, Y, Y, x, 60, BRW_SURFACEFORMAT_R8G8B8A8_UNORM) SF( Y, Y, x, x, Y, Y, x, x, 60, BRW_SURFACEFORMAT_R8G8B8A8_UNORM_SRGB) SF( Y, Y, x, x, Y, 60, Y, x, x, BRW_SURFACEFORMAT_R8G8B8A8_SNORM) SF( Y, x, x, x, Y, x, Y, x, x, BRW_SURFACEFORMAT_R8G8B8A8_SINT) SF( Y, x, x, x, Y, x, Y, x, x, BRW_SURFACEFORMAT_R8G8B8A8_UINT) SF( Y, Y, x, x, Y, 45, Y, x, x, BRW_SURFACEFORMAT_R16G16_UNORM) SF( Y, Y, x, x, Y, 60, Y, x, x, BRW_SURFACEFORMAT_R16G16_SNORM) SF( Y, x, x, x, Y, x, Y, x, x, BRW_SURFACEFORMAT_R16G16_SINT) SF( Y, x, x, x, Y, x, Y, x, x, BRW_SURFACEFORMAT_R16G16_UINT) SF( Y, Y, x, x, Y, Y, Y, x, x, BRW_SURFACEFORMAT_R16G16_FLOAT) SF( Y, Y, x, x, Y, Y, x, x, 60, BRW_SURFACEFORMAT_B10G10R10A2_UNORM) SF( Y, Y, x, x, Y, Y, x, x, 60, BRW_SURFACEFORMAT_B10G10R10A2_UNORM_SRGB) SF( Y, Y, x, x, Y, Y, Y, x, x, BRW_SURFACEFORMAT_R11G11B10_FLOAT) SF( Y, x, x, x, Y, x, Y, Y, x, BRW_SURFACEFORMAT_R32_SINT) SF( Y, x, x, x, Y, x, Y, Y, x, BRW_SURFACEFORMAT_R32_UINT) SF( Y, 50, Y, x, Y, Y, Y, Y, x, BRW_SURFACEFORMAT_R32_FLOAT) SF( Y, 50, Y, x, x, x, x, x, x, BRW_SURFACEFORMAT_R24_UNORM_X8_TYPELESS) SF( Y, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_X24_TYPELESS_G8_UINT) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_L16A16_UNORM) SF( Y, 50, Y, x, x, x, x, x, x, BRW_SURFACEFORMAT_I24X8_UNORM) SF( Y, 50, Y, x, x, x, x, x, x, BRW_SURFACEFORMAT_L24X8_UNORM) SF( Y, 50, Y, x, x, x, x, x, x, BRW_SURFACEFORMAT_A24X8_UNORM) SF( Y, 50, Y, x, x, x, x, x, x, BRW_SURFACEFORMAT_I32_FLOAT) SF( Y, 50, Y, x, x, x, x, x, x, BRW_SURFACEFORMAT_L32_FLOAT) SF( Y, 50, Y, x, x, x, x, x, x, BRW_SURFACEFORMAT_A32_FLOAT) SF( Y, Y, x, Y, x, x, x, x, 60, BRW_SURFACEFORMAT_B8G8R8X8_UNORM) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_B8G8R8X8_UNORM_SRGB) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R8G8B8X8_UNORM) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R8G8B8X8_UNORM_SRGB) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R9G9B9E5_SHAREDEXP) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_B10G10R10X2_UNORM) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_L16A16_FLOAT) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R32_UNORM) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R32_SNORM) /* smpl filt shad CK RT AB VB SO color */ SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R10G10B10X2_USCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R8G8B8A8_SSCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R8G8B8A8_USCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R16G16_SSCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R16G16_USCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R32_SSCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R32_USCALED) SF( Y, Y, x, Y, Y, Y, x, x, x, BRW_SURFACEFORMAT_B5G6R5_UNORM) SF( Y, Y, x, x, Y, Y, x, x, x, BRW_SURFACEFORMAT_B5G6R5_UNORM_SRGB) SF( Y, Y, x, Y, Y, Y, x, x, x, BRW_SURFACEFORMAT_B5G5R5A1_UNORM) SF( Y, Y, x, x, Y, Y, x, x, x, BRW_SURFACEFORMAT_B5G5R5A1_UNORM_SRGB) SF( Y, Y, x, Y, Y, Y, x, x, x, BRW_SURFACEFORMAT_B4G4R4A4_UNORM) SF( Y, Y, x, x, Y, Y, x, x, x, BRW_SURFACEFORMAT_B4G4R4A4_UNORM_SRGB) SF( Y, Y, x, x, Y, Y, Y, x, x, BRW_SURFACEFORMAT_R8G8_UNORM) SF( Y, Y, x, Y, Y, 60, Y, x, x, BRW_SURFACEFORMAT_R8G8_SNORM) SF( Y, x, x, x, Y, x, Y, x, x, BRW_SURFACEFORMAT_R8G8_SINT) SF( Y, x, x, x, Y, x, Y, x, x, BRW_SURFACEFORMAT_R8G8_UINT) SF( Y, Y, Y, x, Y, 45, Y, x, 70, BRW_SURFACEFORMAT_R16_UNORM) SF( Y, Y, x, x, Y, 60, Y, x, x, BRW_SURFACEFORMAT_R16_SNORM) SF( Y, x, x, x, Y, x, Y, x, x, BRW_SURFACEFORMAT_R16_SINT) SF( Y, x, x, x, Y, x, Y, x, x, BRW_SURFACEFORMAT_R16_UINT) SF( Y, Y, x, x, Y, Y, Y, x, x, BRW_SURFACEFORMAT_R16_FLOAT) SF(50, 50, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_A8P8_UNORM_PALETTE0) SF(50, 50, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_A8P8_UNORM_PALETTE1) SF( Y, Y, Y, x, x, x, x, x, x, BRW_SURFACEFORMAT_I16_UNORM) SF( Y, Y, Y, x, x, x, x, x, x, BRW_SURFACEFORMAT_L16_UNORM) SF( Y, Y, Y, x, x, x, x, x, x, BRW_SURFACEFORMAT_A16_UNORM) SF( Y, Y, x, Y, x, x, x, x, x, BRW_SURFACEFORMAT_L8A8_UNORM) SF( Y, Y, Y, x, x, x, x, x, x, BRW_SURFACEFORMAT_I16_FLOAT) SF( Y, Y, Y, x, x, x, x, x, x, BRW_SURFACEFORMAT_L16_FLOAT) SF( Y, Y, Y, x, x, x, x, x, x, BRW_SURFACEFORMAT_A16_FLOAT) SF(45, 45, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_L8A8_UNORM_SRGB) SF( Y, Y, x, Y, x, x, x, x, x, BRW_SURFACEFORMAT_R5G5_SNORM_B6_UNORM) SF( x, x, x, x, Y, Y, x, x, x, BRW_SURFACEFORMAT_B5G5R5X1_UNORM) SF( x, x, x, x, Y, Y, x, x, x, BRW_SURFACEFORMAT_B5G5R5X1_UNORM_SRGB) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R8G8_SSCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R8G8_USCALED) /* smpl filt shad CK RT AB VB SO color */ SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R16_SSCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R16_USCALED) SF(50, 50, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_P8A8_UNORM_PALETTE0) SF(50, 50, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_P8A8_UNORM_PALETTE1) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_A1B5G5R5_UNORM) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_A4B4G4R4_UNORM) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_L8A8_UINT) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_L8A8_SINT) SF( Y, Y, x, 45, Y, Y, Y, x, x, BRW_SURFACEFORMAT_R8_UNORM) SF( Y, Y, x, x, Y, 60, Y, x, x, BRW_SURFACEFORMAT_R8_SNORM) SF( Y, x, x, x, Y, x, Y, x, x, BRW_SURFACEFORMAT_R8_SINT) SF( Y, x, x, x, Y, x, Y, x, x, BRW_SURFACEFORMAT_R8_UINT) SF( Y, Y, x, Y, Y, Y, x, x, x, BRW_SURFACEFORMAT_A8_UNORM) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_I8_UNORM) SF( Y, Y, x, Y, x, x, x, x, x, BRW_SURFACEFORMAT_L8_UNORM) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_P4A4_UNORM) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_A4P4_UNORM) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R8_SSCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R8_USCALED) SF(45, 45, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_P8_UNORM_PALETTE0) SF(45, 45, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_L8_UNORM_SRGB) SF(45, 45, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_P8_UNORM_PALETTE1) SF(45, 45, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_P4A4_UNORM_PALETTE1) SF(45, 45, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_A4P4_UNORM_PALETTE1) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_Y8_SNORM) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_L8_UINT) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_L8_SINT) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_I8_UINT) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_I8_SINT) SF(45, 45, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_DXT1_RGB_SRGB) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R1_UINT) SF( Y, Y, x, Y, Y, x, x, x, 60, BRW_SURFACEFORMAT_YCRCB_NORMAL) SF( Y, Y, x, Y, Y, x, x, x, 60, BRW_SURFACEFORMAT_YCRCB_SWAPUVY) SF(45, 45, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_P2_UNORM_PALETTE0) SF(45, 45, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_P2_UNORM_PALETTE1) SF( Y, Y, x, Y, x, x, x, x, x, BRW_SURFACEFORMAT_BC1_UNORM) SF( Y, Y, x, Y, x, x, x, x, x, BRW_SURFACEFORMAT_BC2_UNORM) SF( Y, Y, x, Y, x, x, x, x, x, BRW_SURFACEFORMAT_BC3_UNORM) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_BC4_UNORM) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_BC5_UNORM) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_BC1_UNORM_SRGB) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_BC2_UNORM_SRGB) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_BC3_UNORM_SRGB) SF( Y, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_MONO8) SF( Y, Y, x, x, Y, x, x, x, 60, BRW_SURFACEFORMAT_YCRCB_SWAPUV) SF( Y, Y, x, x, Y, x, x, x, 60, BRW_SURFACEFORMAT_YCRCB_SWAPY) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_DXT1_RGB) /* smpl filt shad CK RT AB VB SO color */ SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_FXT1) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R8G8B8_UNORM) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R8G8B8_SNORM) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R8G8B8_SSCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R8G8B8_USCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R64G64B64A64_FLOAT) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R64G64B64_FLOAT) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_BC4_SNORM) SF( Y, Y, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_BC5_SNORM) SF(50, 50, x, x, x, x, 60, x, x, BRW_SURFACEFORMAT_R16G16B16_FLOAT) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R16G16B16_UNORM) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R16G16B16_SNORM) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R16G16B16_SSCALED) SF( x, x, x, x, x, x, Y, x, x, BRW_SURFACEFORMAT_R16G16B16_USCALED) SF(70, 70, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_BC6H_SF16) SF(70, 70, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_BC7_UNORM) SF(70, 70, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_BC7_UNORM_SRGB) SF(70, 70, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_BC6H_UF16) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_PLANAR_420_8) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R8G8B8_UNORM_SRGB) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_ETC1_RGB8) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_ETC2_RGB8) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_EAC_R11) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_EAC_RG11) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_EAC_SIGNED_R11) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_EAC_SIGNED_RG11) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_ETC2_SRGB8) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R16G16B16_UINT) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R16G16B16_SINT) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R32_SFIXED) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R10G10B10A2_SNORM) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R10G10B10A2_USCALED) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R10G10B10A2_SSCALED) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R10G10B10A2_SINT) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_B10G10R10A2_SNORM) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_B10G10R10A2_USCALED) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_B10G10R10A2_SSCALED) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_B10G10R10A2_UINT) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_B10G10R10A2_SINT) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R64G64B64A64_PASSTHRU) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R64G64B64_PASSTHRU) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_ETC2_RGB8_PTA) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_ETC2_SRGB8_PTA) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_ETC2_EAC_RGBA8) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_ETC2_EAC_SRGB8_A8) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R8G8B8_UINT) SF( x, x, x, x, x, x, x, x, x, BRW_SURFACEFORMAT_R8G8B8_SINT) }; #undef x #undef Y uint32_t brw_format_for_mesa_format(gl_format mesa_format) { /* This table is ordered according to the enum ordering in formats.h. We do * expect that enum to be extended without our explicit initialization * staying in sync, so we initialize to 0 even though * BRW_SURFACEFORMAT_R32G32B32A32_FLOAT happens to also be 0. */ static const uint32_t table[MESA_FORMAT_COUNT] = { [MESA_FORMAT_RGBA8888] = 0, [MESA_FORMAT_RGBA8888_REV] = BRW_SURFACEFORMAT_R8G8B8A8_UNORM, [MESA_FORMAT_ARGB8888] = BRW_SURFACEFORMAT_B8G8R8A8_UNORM, [MESA_FORMAT_ARGB8888_REV] = 0, [MESA_FORMAT_RGBX8888] = 0, [MESA_FORMAT_RGBX8888_REV] = BRW_SURFACEFORMAT_R8G8B8X8_UNORM, [MESA_FORMAT_XRGB8888] = BRW_SURFACEFORMAT_B8G8R8X8_UNORM, [MESA_FORMAT_XRGB8888_REV] = 0, [MESA_FORMAT_RGB888] = 0, [MESA_FORMAT_BGR888] = BRW_SURFACEFORMAT_R8G8B8_UNORM, [MESA_FORMAT_RGB565] = BRW_SURFACEFORMAT_B5G6R5_UNORM, [MESA_FORMAT_RGB565_REV] = 0, [MESA_FORMAT_ARGB4444] = BRW_SURFACEFORMAT_B4G4R4A4_UNORM, [MESA_FORMAT_ARGB4444_REV] = 0, [MESA_FORMAT_RGBA5551] = 0, [MESA_FORMAT_ARGB1555] = BRW_SURFACEFORMAT_B5G5R5A1_UNORM, [MESA_FORMAT_ARGB1555_REV] = 0, [MESA_FORMAT_AL44] = 0, [MESA_FORMAT_AL88] = BRW_SURFACEFORMAT_L8A8_UNORM, [MESA_FORMAT_AL88_REV] = 0, [MESA_FORMAT_AL1616] = BRW_SURFACEFORMAT_L16A16_UNORM, [MESA_FORMAT_AL1616_REV] = 0, [MESA_FORMAT_RGB332] = 0, [MESA_FORMAT_A8] = BRW_SURFACEFORMAT_A8_UNORM, [MESA_FORMAT_A16] = BRW_SURFACEFORMAT_A16_UNORM, [MESA_FORMAT_L8] = BRW_SURFACEFORMAT_L8_UNORM, [MESA_FORMAT_L16] = BRW_SURFACEFORMAT_L16_UNORM, [MESA_FORMAT_I8] = BRW_SURFACEFORMAT_I8_UNORM, [MESA_FORMAT_I16] = BRW_SURFACEFORMAT_I16_UNORM, [MESA_FORMAT_YCBCR_REV] = BRW_SURFACEFORMAT_YCRCB_NORMAL, [MESA_FORMAT_YCBCR] = BRW_SURFACEFORMAT_YCRCB_SWAPUVY, [MESA_FORMAT_R8] = BRW_SURFACEFORMAT_R8_UNORM, [MESA_FORMAT_GR88] = BRW_SURFACEFORMAT_R8G8_UNORM, [MESA_FORMAT_RG88] = 0, [MESA_FORMAT_R16] = BRW_SURFACEFORMAT_R16_UNORM, [MESA_FORMAT_GR1616] = BRW_SURFACEFORMAT_R16G16_UNORM, [MESA_FORMAT_RG1616] = 0, [MESA_FORMAT_ARGB2101010] = BRW_SURFACEFORMAT_B10G10R10A2_UNORM, [MESA_FORMAT_Z24_S8] = 0, [MESA_FORMAT_S8_Z24] = 0, [MESA_FORMAT_Z16] = 0, [MESA_FORMAT_X8_Z24] = 0, [MESA_FORMAT_Z24_X8] = 0, [MESA_FORMAT_Z32] = 0, [MESA_FORMAT_S8] = 0, [MESA_FORMAT_SRGB8] = 0, [MESA_FORMAT_SRGBA8] = 0, [MESA_FORMAT_SARGB8] = BRW_SURFACEFORMAT_B8G8R8A8_UNORM_SRGB, [MESA_FORMAT_SL8] = BRW_SURFACEFORMAT_L8_UNORM_SRGB, [MESA_FORMAT_SLA8] = BRW_SURFACEFORMAT_L8A8_UNORM_SRGB, [MESA_FORMAT_SRGB_DXT1] = BRW_SURFACEFORMAT_DXT1_RGB_SRGB, [MESA_FORMAT_SRGBA_DXT1] = BRW_SURFACEFORMAT_BC1_UNORM_SRGB, [MESA_FORMAT_SRGBA_DXT3] = BRW_SURFACEFORMAT_BC2_UNORM_SRGB, [MESA_FORMAT_SRGBA_DXT5] = BRW_SURFACEFORMAT_BC3_UNORM_SRGB, [MESA_FORMAT_RGB_FXT1] = BRW_SURFACEFORMAT_FXT1, [MESA_FORMAT_RGBA_FXT1] = BRW_SURFACEFORMAT_FXT1, [MESA_FORMAT_RGB_DXT1] = BRW_SURFACEFORMAT_DXT1_RGB, [MESA_FORMAT_RGBA_DXT1] = BRW_SURFACEFORMAT_BC1_UNORM, [MESA_FORMAT_RGBA_DXT3] = BRW_SURFACEFORMAT_BC2_UNORM, [MESA_FORMAT_RGBA_DXT5] = BRW_SURFACEFORMAT_BC3_UNORM, [MESA_FORMAT_RGBA_FLOAT32] = BRW_SURFACEFORMAT_R32G32B32A32_FLOAT, [MESA_FORMAT_RGBA_FLOAT16] = BRW_SURFACEFORMAT_R16G16B16A16_FLOAT, [MESA_FORMAT_RGB_FLOAT32] = BRW_SURFACEFORMAT_R32G32B32_FLOAT, [MESA_FORMAT_RGB_FLOAT16] = BRW_SURFACEFORMAT_R16G16B16_FLOAT, [MESA_FORMAT_ALPHA_FLOAT32] = BRW_SURFACEFORMAT_A32_FLOAT, [MESA_FORMAT_ALPHA_FLOAT16] = BRW_SURFACEFORMAT_A16_FLOAT, [MESA_FORMAT_LUMINANCE_FLOAT32] = BRW_SURFACEFORMAT_L32_FLOAT, [MESA_FORMAT_LUMINANCE_FLOAT16] = BRW_SURFACEFORMAT_L16_FLOAT, [MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32] = BRW_SURFACEFORMAT_L32A32_FLOAT, [MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16] = BRW_SURFACEFORMAT_L16A16_FLOAT, [MESA_FORMAT_INTENSITY_FLOAT32] = BRW_SURFACEFORMAT_I32_FLOAT, [MESA_FORMAT_INTENSITY_FLOAT16] = BRW_SURFACEFORMAT_I16_FLOAT, [MESA_FORMAT_R_FLOAT32] = BRW_SURFACEFORMAT_R32_FLOAT, [MESA_FORMAT_R_FLOAT16] = BRW_SURFACEFORMAT_R16_FLOAT, [MESA_FORMAT_RG_FLOAT32] = BRW_SURFACEFORMAT_R32G32_FLOAT, [MESA_FORMAT_RG_FLOAT16] = BRW_SURFACEFORMAT_R16G16_FLOAT, [MESA_FORMAT_ALPHA_UINT8] = 0, [MESA_FORMAT_ALPHA_UINT16] = 0, [MESA_FORMAT_ALPHA_UINT32] = 0, [MESA_FORMAT_ALPHA_INT8] = 0, [MESA_FORMAT_ALPHA_INT16] = 0, [MESA_FORMAT_ALPHA_INT32] = 0, [MESA_FORMAT_INTENSITY_UINT8] = 0, [MESA_FORMAT_INTENSITY_UINT16] = 0, [MESA_FORMAT_INTENSITY_UINT32] = 0, [MESA_FORMAT_INTENSITY_INT8] = 0, [MESA_FORMAT_INTENSITY_INT16] = 0, [MESA_FORMAT_INTENSITY_INT32] = 0, [MESA_FORMAT_LUMINANCE_UINT8] = 0, [MESA_FORMAT_LUMINANCE_UINT16] = 0, [MESA_FORMAT_LUMINANCE_UINT32] = 0, [MESA_FORMAT_LUMINANCE_INT8] = 0, [MESA_FORMAT_LUMINANCE_INT16] = 0, [MESA_FORMAT_LUMINANCE_INT32] = 0, [MESA_FORMAT_LUMINANCE_ALPHA_UINT8] = 0, [MESA_FORMAT_LUMINANCE_ALPHA_UINT16] = 0, [MESA_FORMAT_LUMINANCE_ALPHA_UINT32] = 0, [MESA_FORMAT_LUMINANCE_ALPHA_INT8] = 0, [MESA_FORMAT_LUMINANCE_ALPHA_INT16] = 0, [MESA_FORMAT_LUMINANCE_ALPHA_INT32] = 0, [MESA_FORMAT_R_INT8] = BRW_SURFACEFORMAT_R8_SINT, [MESA_FORMAT_RG_INT8] = BRW_SURFACEFORMAT_R8G8_SINT, [MESA_FORMAT_RGB_INT8] = BRW_SURFACEFORMAT_R8G8B8_SINT, [MESA_FORMAT_RGBA_INT8] = BRW_SURFACEFORMAT_R8G8B8A8_SINT, [MESA_FORMAT_R_INT16] = BRW_SURFACEFORMAT_R16_SINT, [MESA_FORMAT_RG_INT16] = BRW_SURFACEFORMAT_R16G16_SINT, [MESA_FORMAT_RGB_INT16] = BRW_SURFACEFORMAT_R16G16B16_SINT, [MESA_FORMAT_RGBA_INT16] = BRW_SURFACEFORMAT_R16G16B16A16_SINT, [MESA_FORMAT_R_INT32] = BRW_SURFACEFORMAT_R32_SINT, [MESA_FORMAT_RG_INT32] = BRW_SURFACEFORMAT_R32G32_SINT, [MESA_FORMAT_RGB_INT32] = BRW_SURFACEFORMAT_R32G32B32_SINT, [MESA_FORMAT_RGBA_INT32] = BRW_SURFACEFORMAT_R32G32B32A32_SINT, [MESA_FORMAT_R_UINT8] = BRW_SURFACEFORMAT_R8_UINT, [MESA_FORMAT_RG_UINT8] = BRW_SURFACEFORMAT_R8G8_UINT, [MESA_FORMAT_RGB_UINT8] = BRW_SURFACEFORMAT_R8G8B8_UINT, [MESA_FORMAT_RGBA_UINT8] = BRW_SURFACEFORMAT_R8G8B8A8_UINT, [MESA_FORMAT_R_UINT16] = BRW_SURFACEFORMAT_R16_UINT, [MESA_FORMAT_RG_UINT16] = BRW_SURFACEFORMAT_R16G16_UINT, [MESA_FORMAT_RGB_UINT16] = BRW_SURFACEFORMAT_R16G16B16_UINT, [MESA_FORMAT_RGBA_UINT16] = BRW_SURFACEFORMAT_R16G16B16A16_UINT, [MESA_FORMAT_R_UINT32] = BRW_SURFACEFORMAT_R32_UINT, [MESA_FORMAT_RG_UINT32] = BRW_SURFACEFORMAT_R32G32_UINT, [MESA_FORMAT_RGB_UINT32] = BRW_SURFACEFORMAT_R32G32B32_UINT, [MESA_FORMAT_RGBA_UINT32] = BRW_SURFACEFORMAT_R32G32B32A32_UINT, [MESA_FORMAT_DUDV8] = BRW_SURFACEFORMAT_R8G8_SNORM, [MESA_FORMAT_SIGNED_R8] = BRW_SURFACEFORMAT_R8_SNORM, [MESA_FORMAT_SIGNED_RG88_REV] = BRW_SURFACEFORMAT_R8G8_SNORM, [MESA_FORMAT_SIGNED_RGBX8888] = 0, [MESA_FORMAT_SIGNED_RGBA8888] = 0, [MESA_FORMAT_SIGNED_RGBA8888_REV] = BRW_SURFACEFORMAT_R8G8B8A8_SNORM, [MESA_FORMAT_SIGNED_R16] = BRW_SURFACEFORMAT_R16_SNORM, [MESA_FORMAT_SIGNED_GR1616] = BRW_SURFACEFORMAT_R16G16_SNORM, [MESA_FORMAT_SIGNED_RGB_16] = BRW_SURFACEFORMAT_R16G16B16_SNORM, [MESA_FORMAT_SIGNED_RGBA_16] = BRW_SURFACEFORMAT_R16G16B16A16_SNORM, [MESA_FORMAT_RGBA_16] = BRW_SURFACEFORMAT_R16G16B16A16_UNORM, [MESA_FORMAT_RED_RGTC1] = BRW_SURFACEFORMAT_BC4_UNORM, [MESA_FORMAT_SIGNED_RED_RGTC1] = BRW_SURFACEFORMAT_BC4_SNORM, [MESA_FORMAT_RG_RGTC2] = BRW_SURFACEFORMAT_BC5_UNORM, [MESA_FORMAT_SIGNED_RG_RGTC2] = BRW_SURFACEFORMAT_BC5_SNORM, [MESA_FORMAT_L_LATC1] = 0, [MESA_FORMAT_SIGNED_L_LATC1] = 0, [MESA_FORMAT_LA_LATC2] = 0, [MESA_FORMAT_SIGNED_LA_LATC2] = 0, [MESA_FORMAT_ETC1_RGB8] = BRW_SURFACEFORMAT_ETC1_RGB8, [MESA_FORMAT_ETC2_RGB8] = BRW_SURFACEFORMAT_ETC2_RGB8, [MESA_FORMAT_ETC2_SRGB8] = BRW_SURFACEFORMAT_ETC2_SRGB8, [MESA_FORMAT_ETC2_RGBA8_EAC] = BRW_SURFACEFORMAT_ETC2_EAC_RGBA8, [MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC] = BRW_SURFACEFORMAT_ETC2_EAC_SRGB8_A8, [MESA_FORMAT_ETC2_R11_EAC] = BRW_SURFACEFORMAT_EAC_R11, [MESA_FORMAT_ETC2_RG11_EAC] = BRW_SURFACEFORMAT_EAC_RG11, [MESA_FORMAT_ETC2_SIGNED_R11_EAC] = BRW_SURFACEFORMAT_EAC_SIGNED_R11, [MESA_FORMAT_ETC2_SIGNED_RG11_EAC] = BRW_SURFACEFORMAT_EAC_SIGNED_RG11, [MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1] = BRW_SURFACEFORMAT_ETC2_RGB8_PTA, [MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1] = BRW_SURFACEFORMAT_ETC2_SRGB8_PTA, [MESA_FORMAT_SIGNED_A8] = 0, [MESA_FORMAT_SIGNED_L8] = 0, [MESA_FORMAT_SIGNED_AL88] = 0, [MESA_FORMAT_SIGNED_I8] = 0, [MESA_FORMAT_SIGNED_A16] = 0, [MESA_FORMAT_SIGNED_L16] = 0, [MESA_FORMAT_SIGNED_AL1616] = 0, [MESA_FORMAT_SIGNED_I16] = 0, [MESA_FORMAT_RGB9_E5_FLOAT] = BRW_SURFACEFORMAT_R9G9B9E5_SHAREDEXP, [MESA_FORMAT_R11_G11_B10_FLOAT] = BRW_SURFACEFORMAT_R11G11B10_FLOAT, [MESA_FORMAT_Z32_FLOAT] = 0, [MESA_FORMAT_Z32_FLOAT_X24S8] = 0, [MESA_FORMAT_ARGB2101010_UINT] = BRW_SURFACEFORMAT_B10G10R10A2_UINT, [MESA_FORMAT_ABGR2101010_UINT] = BRW_SURFACEFORMAT_R10G10B10A2_UINT, [MESA_FORMAT_XRGB4444_UNORM] = 0, [MESA_FORMAT_XRGB1555_UNORM] = BRW_SURFACEFORMAT_B5G5R5X1_UNORM, [MESA_FORMAT_XBGR8888_SNORM] = 0, [MESA_FORMAT_XBGR8888_SRGB] = 0, [MESA_FORMAT_XBGR8888_UINT] = 0, [MESA_FORMAT_XBGR8888_SINT] = 0, [MESA_FORMAT_XRGB2101010_UNORM] = BRW_SURFACEFORMAT_B10G10R10X2_UNORM, [MESA_FORMAT_XBGR16161616_UNORM] = BRW_SURFACEFORMAT_R16G16B16X16_UNORM, [MESA_FORMAT_XBGR16161616_SNORM] = 0, [MESA_FORMAT_XBGR16161616_FLOAT] = BRW_SURFACEFORMAT_R16G16B16X16_FLOAT, [MESA_FORMAT_XBGR16161616_UINT] = 0, [MESA_FORMAT_XBGR16161616_SINT] = 0, [MESA_FORMAT_XBGR32323232_FLOAT] = BRW_SURFACEFORMAT_R32G32B32X32_FLOAT, [MESA_FORMAT_XBGR32323232_UINT] = 0, [MESA_FORMAT_XBGR32323232_SINT] = 0, }; assert(mesa_format < MESA_FORMAT_COUNT); return table[mesa_format]; } void brw_init_surface_formats(struct brw_context *brw) { struct gl_context *ctx = &brw->ctx; int gen; gl_format format; memset(&ctx->TextureFormatSupported, 0, sizeof(ctx->TextureFormatSupported)); gen = brw->gen * 10; if (brw->is_g4x || brw->is_haswell) gen += 5; for (format = MESA_FORMAT_NONE + 1; format < MESA_FORMAT_COUNT; format++) { uint32_t texture, render; const struct surface_format_info *rinfo, *tinfo; bool is_integer = _mesa_is_format_integer_color(format); render = texture = brw_format_for_mesa_format(format); tinfo = &surface_formats[texture]; /* The value of BRW_SURFACEFORMAT_R32G32B32A32_FLOAT is 0, so don't skip * it. */ if (texture == 0 && format != MESA_FORMAT_RGBA_FLOAT32) continue; if (gen >= tinfo->sampling && (gen >= tinfo->filtering || is_integer)) ctx->TextureFormatSupported[format] = true; /* Re-map some render target formats to make them supported when they * wouldn't be using their format for texturing. */ switch (render) { /* For these formats, we just need to read/write the first * channel into R, which is to say that we just treat them as * GL_RED. */ case BRW_SURFACEFORMAT_I32_FLOAT: case BRW_SURFACEFORMAT_L32_FLOAT: render = BRW_SURFACEFORMAT_R32_FLOAT; break; case BRW_SURFACEFORMAT_I16_FLOAT: case BRW_SURFACEFORMAT_L16_FLOAT: render = BRW_SURFACEFORMAT_R16_FLOAT; break; case BRW_SURFACEFORMAT_B8G8R8X8_UNORM: /* XRGB is handled as ARGB because the chips in this family * cannot render to XRGB targets. This means that we have to * mask writes to alpha (ala glColorMask) and reconfigure the * alpha blending hardware to use GL_ONE (or GL_ZERO) for * cases where GL_DST_ALPHA (or GL_ONE_MINUS_DST_ALPHA) is * used. */ render = BRW_SURFACEFORMAT_B8G8R8A8_UNORM; break; } rinfo = &surface_formats[render]; /* Note that GL_EXT_texture_integer says that blending doesn't occur for * integer, so we don't need hardware support for blending on it. Other * than that, GL in general requires alpha blending for render targets, * even though we don't support it for some formats. */ if (gen >= rinfo->render_target && (gen >= rinfo->alpha_blend || is_integer)) { brw->render_target_format[format] = render; brw->format_supported_as_render_target[format] = true; } } /* We will check this table for FBO completeness, but the surface format * table above only covered color rendering. */ brw->format_supported_as_render_target[MESA_FORMAT_S8_Z24] = true; brw->format_supported_as_render_target[MESA_FORMAT_X8_Z24] = true; brw->format_supported_as_render_target[MESA_FORMAT_S8] = true; brw->format_supported_as_render_target[MESA_FORMAT_Z16] = true; brw->format_supported_as_render_target[MESA_FORMAT_Z32_FLOAT] = true; brw->format_supported_as_render_target[MESA_FORMAT_Z32_FLOAT_X24S8] = true; /* We remap depth formats to a supported texturing format in * translate_tex_format(). */ ctx->TextureFormatSupported[MESA_FORMAT_S8_Z24] = true; ctx->TextureFormatSupported[MESA_FORMAT_X8_Z24] = true; ctx->TextureFormatSupported[MESA_FORMAT_Z32_FLOAT] = true; ctx->TextureFormatSupported[MESA_FORMAT_Z32_FLOAT_X24S8] = true; /* It appears that Z16 is slower than Z24 (on Intel Ivybridge and newer * hardware at least), so there's no real reason to prefer it unless you're * under memory (not memory bandwidth) pressure. Our speculation is that * this is due to either increased fragment shader execution from * GL_LEQUAL/GL_EQUAL depth tests at the reduced precision, or due to * increased depth stalls from a cacheline-based heuristic for detecting * depth stalls. * * However, desktop GL 3.0+ require that you get exactly 16 bits when * asking for DEPTH_COMPONENT16, so we have to respect that. */ if (_mesa_is_desktop_gl(ctx)) ctx->TextureFormatSupported[MESA_FORMAT_Z16] = true; /* On hardware that lacks support for ETC1, we map ETC1 to RGBX * during glCompressedTexImage2D(). See intel_mipmap_tree::wraps_etc1. */ ctx->TextureFormatSupported[MESA_FORMAT_ETC1_RGB8] = true; /* On hardware that lacks support for ETC2, we map ETC2 to a suitable * MESA_FORMAT during glCompressedTexImage2D(). * See intel_mipmap_tree::wraps_etc2. */ ctx->TextureFormatSupported[MESA_FORMAT_ETC2_RGB8] = true; ctx->TextureFormatSupported[MESA_FORMAT_ETC2_SRGB8] = true; ctx->TextureFormatSupported[MESA_FORMAT_ETC2_RGBA8_EAC] = true; ctx->TextureFormatSupported[MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC] = true; ctx->TextureFormatSupported[MESA_FORMAT_ETC2_R11_EAC] = true; ctx->TextureFormatSupported[MESA_FORMAT_ETC2_RG11_EAC] = true; ctx->TextureFormatSupported[MESA_FORMAT_ETC2_SIGNED_R11_EAC] = true; ctx->TextureFormatSupported[MESA_FORMAT_ETC2_SIGNED_RG11_EAC] = true; ctx->TextureFormatSupported[MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1] = true; ctx->TextureFormatSupported[MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1] = true; } bool brw_render_target_supported(struct brw_context *brw, struct gl_renderbuffer *rb) { gl_format format = rb->Format; /* Many integer formats are promoted to RGBA (like XRGB8888 is), which means * we would consider them renderable even though we don't have surface * support for their alpha behavior and don't have the blending unit * available to fake it like we do for XRGB8888. Force them to being * unsupported. */ if ((rb->_BaseFormat != GL_RGBA && rb->_BaseFormat != GL_RG && rb->_BaseFormat != GL_RED) && _mesa_is_format_integer_color(format)) return false; /* Under some conditions, MSAA is not supported for formats whose width is * more than 64 bits. */ if (rb->NumSamples > 0 && _mesa_get_format_bytes(format) > 8) { /* Gen6: MSAA on >64 bit formats is unsupported. */ if (brw->gen <= 6) return false; /* Gen7: 8x MSAA on >64 bit formats is unsupported. */ if (rb->NumSamples >= 8) return false; } return brw->format_supported_as_render_target[format]; } GLuint translate_tex_format(struct brw_context *brw, gl_format mesa_format, GLenum srgb_decode) { struct gl_context *ctx = &brw->ctx; if (srgb_decode == GL_SKIP_DECODE_EXT) mesa_format = _mesa_get_srgb_format_linear(mesa_format); switch( mesa_format ) { case MESA_FORMAT_Z16: return BRW_SURFACEFORMAT_R16_UNORM; case MESA_FORMAT_S8_Z24: case MESA_FORMAT_X8_Z24: return BRW_SURFACEFORMAT_R24_UNORM_X8_TYPELESS; case MESA_FORMAT_Z32_FLOAT: return BRW_SURFACEFORMAT_R32_FLOAT; case MESA_FORMAT_Z32_FLOAT_X24S8: return BRW_SURFACEFORMAT_R32_FLOAT_X8X24_TYPELESS; case MESA_FORMAT_RGBA_FLOAT32: /* The value of this BRW_SURFACEFORMAT is 0, which tricks the * assertion below. */ return BRW_SURFACEFORMAT_R32G32B32A32_FLOAT; case MESA_FORMAT_SRGB_DXT1: if (brw->gen == 4 && !brw->is_g4x) { /* Work around missing SRGB DXT1 support on original gen4 by just * skipping SRGB decode. It's not worth not supporting sRGB in * general to prevent this. */ WARN_ONCE(true, "Demoting sRGB DXT1 texture to non-sRGB\n"); mesa_format = MESA_FORMAT_RGB_DXT1; } return brw_format_for_mesa_format(mesa_format); default: assert(brw_format_for_mesa_format(mesa_format) != 0); return brw_format_for_mesa_format(mesa_format); } } /** Can HiZ be enabled on a depthbuffer of the given format? */ bool brw_is_hiz_depth_format(struct brw_context *brw, gl_format format) { if (!brw->has_hiz) return false; switch (format) { case MESA_FORMAT_Z32_FLOAT: case MESA_FORMAT_Z32_FLOAT_X24S8: case MESA_FORMAT_X8_Z24: case MESA_FORMAT_S8_Z24: case MESA_FORMAT_Z16: return true; default: return false; } }