/************************************************************************** * * Copyright (C) 2014 Red Hat Inc. * * 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 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 #include "vrend_renderer.h" #include "util/u_memory.h" #include "util/u_format.h" #define SWIZZLE_INVALID 0xff #define NO_SWIZZLE { SWIZZLE_INVALID, SWIZZLE_INVALID, SWIZZLE_INVALID, SWIZZLE_INVALID } #define RRR1_SWIZZLE { PIPE_SWIZZLE_RED, PIPE_SWIZZLE_RED, PIPE_SWIZZLE_RED, PIPE_SWIZZLE_ONE } #define RGB1_SWIZZLE { PIPE_SWIZZLE_RED, PIPE_SWIZZLE_GREEN, PIPE_SWIZZLE_BLUE, PIPE_SWIZZLE_ONE } #define BGR1_SWIZZLE { PIPE_SWIZZLE_BLUE, PIPE_SWIZZLE_GREEN, PIPE_SWIZZLE_RED, PIPE_SWIZZLE_ONE } #define BGRA_SWIZZLE { PIPE_SWIZZLE_BLUE, PIPE_SWIZZLE_GREEN, PIPE_SWIZZLE_RED, PIPE_SWIZZLE_ALPHA } #ifdef __GNUC__ /* The warning missing-field-initializers is misleading: If at least one field * is initialized, then the un-initialized fields will be filled with zero. * Silencing the warning by manually adding the zeros that the compiler will add * anyway doesn't improve the code, and initializing the files by using a named * notation will make it worse, because then he remaining fields truely be * un-initialized. */ #ifdef __clang__ #pragma clang diagnostic ignored "-Wmissing-field-initializers" #else #pragma GCC diagnostic ignored "-Wmissing-field-initializers" #endif #endif /* fill the format table */ static struct vrend_format_table base_rgba_formats[] = { { VIRGL_FORMAT_R8G8B8X8_UNORM, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, RGB1_SWIZZLE }, { VIRGL_FORMAT_R8G8B8A8_UNORM, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_A8R8G8B8_UNORM, GL_RGBA8, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, NO_SWIZZLE }, { VIRGL_FORMAT_X8R8G8B8_UNORM, GL_RGBA8, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, NO_SWIZZLE }, { VIRGL_FORMAT_A8B8G8R8_UNORM, GL_RGBA8, GL_ABGR_EXT, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_B4G4R4X4_UNORM, GL_RGBA4, GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV, RGB1_SWIZZLE }, { VIRGL_FORMAT_A4B4G4R4_UNORM, GL_RGBA4, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, NO_SWIZZLE }, { VIRGL_FORMAT_B5G5R5X1_UNORM, GL_RGB5_A1, GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV, RGB1_SWIZZLE }, { VIRGL_FORMAT_B5G6R5_UNORM, GL_RGB565, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, NO_SWIZZLE }, { VIRGL_FORMAT_B2G3R3_UNORM, GL_R3_G3_B2, GL_RGB, GL_UNSIGNED_BYTE_3_3_2, NO_SWIZZLE }, { VIRGL_FORMAT_R16G16B16X16_UNORM, GL_RGBA16, GL_RGBA, GL_UNSIGNED_SHORT, RGB1_SWIZZLE }, { VIRGL_FORMAT_R16G16B16A16_UNORM, GL_RGBA16, GL_RGBA, GL_UNSIGNED_SHORT, NO_SWIZZLE }, }; static struct vrend_format_table gl_base_rgba_formats[] = { { VIRGL_FORMAT_B4G4R4A4_UNORM, GL_RGBA4, GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV, NO_SWIZZLE }, { VIRGL_FORMAT_B5G5R5A1_UNORM, GL_RGB5_A1, GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV, NO_SWIZZLE }, }; static struct vrend_format_table base_depth_formats[] = { { VIRGL_FORMAT_Z16_UNORM, GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_Z32_UNORM, GL_DEPTH_COMPONENT32, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NO_SWIZZLE }, { VIRGL_FORMAT_S8_UINT_Z24_UNORM, GL_DEPTH24_STENCIL8_EXT, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, NO_SWIZZLE }, { VIRGL_FORMAT_Z24X8_UNORM, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NO_SWIZZLE }, { VIRGL_FORMAT_Z32_FLOAT, GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_FLOAT, NO_SWIZZLE }, /* this is probably a separate format */ { VIRGL_FORMAT_Z32_FLOAT_S8X24_UINT, GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, NO_SWIZZLE }, { VIRGL_FORMAT_X24S8_UINT, GL_STENCIL_INDEX8, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, NO_SWIZZLE }, }; static struct vrend_format_table base_la_formats[] = { { VIRGL_FORMAT_A8_UNORM, GL_ALPHA8, GL_ALPHA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_L8_UNORM, GL_R8, GL_RED, GL_UNSIGNED_BYTE, RRR1_SWIZZLE }, { VIRGL_FORMAT_A16_UNORM, GL_ALPHA16, GL_ALPHA, GL_UNSIGNED_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_L16_UNORM, GL_R16, GL_RED, GL_UNSIGNED_SHORT, RRR1_SWIZZLE }, }; static struct vrend_format_table rg_base_formats[] = { { VIRGL_FORMAT_R8_UNORM, GL_R8, GL_RED, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_R8G8_UNORM, GL_RG8, GL_RG, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_R16_UNORM, GL_R16, GL_RED, GL_UNSIGNED_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_R16G16_UNORM, GL_RG16, GL_RG, GL_UNSIGNED_SHORT, NO_SWIZZLE }, }; static struct vrend_format_table integer_base_formats[] = { { VIRGL_FORMAT_R8G8B8A8_UINT, GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_R8G8B8A8_SINT, GL_RGBA8I, GL_RGBA_INTEGER, GL_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_R16G16B16A16_UINT, GL_RGBA16UI, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_R16G16B16A16_SINT, GL_RGBA16I, GL_RGBA_INTEGER, GL_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_R32G32B32A32_UINT, GL_RGBA32UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT, NO_SWIZZLE }, { VIRGL_FORMAT_R32G32B32A32_SINT, GL_RGBA32I, GL_RGBA_INTEGER, GL_INT, NO_SWIZZLE }, }; static struct vrend_format_table integer_3comp_formats[] = { { VIRGL_FORMAT_R8G8B8X8_UINT, GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, RGB1_SWIZZLE }, { VIRGL_FORMAT_R8G8B8X8_SINT, GL_RGBA8I, GL_RGBA_INTEGER, GL_BYTE, RGB1_SWIZZLE }, { VIRGL_FORMAT_R16G16B16X16_UINT, GL_RGBA16UI, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, RGB1_SWIZZLE }, { VIRGL_FORMAT_R16G16B16X16_SINT, GL_RGBA16I, GL_RGBA_INTEGER, GL_SHORT, RGB1_SWIZZLE }, { VIRGL_FORMAT_R32G32B32_UINT, GL_RGB32UI, GL_RGB_INTEGER, GL_UNSIGNED_INT, NO_SWIZZLE }, { VIRGL_FORMAT_R32G32B32_SINT, GL_RGB32I, GL_RGB_INTEGER, GL_INT, NO_SWIZZLE }, }; static struct vrend_format_table float_base_formats[] = { { VIRGL_FORMAT_R16G16B16A16_FLOAT, GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT, NO_SWIZZLE }, { VIRGL_FORMAT_R32G32B32A32_FLOAT, GL_RGBA32F, GL_RGBA, GL_FLOAT, NO_SWIZZLE }, }; static struct vrend_format_table float_la_formats[] = { { VIRGL_FORMAT_A16_FLOAT, GL_ALPHA16F_ARB, GL_ALPHA, GL_HALF_FLOAT, NO_SWIZZLE }, { VIRGL_FORMAT_L16_FLOAT, GL_R16F, GL_RED, GL_HALF_FLOAT, RRR1_SWIZZLE }, { VIRGL_FORMAT_L16A16_FLOAT, GL_LUMINANCE_ALPHA16F_ARB, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT, NO_SWIZZLE }, { VIRGL_FORMAT_A32_FLOAT, GL_ALPHA32F_ARB, GL_ALPHA, GL_FLOAT, NO_SWIZZLE }, { VIRGL_FORMAT_L32_FLOAT, GL_R32F, GL_RED, GL_FLOAT, RRR1_SWIZZLE }, { VIRGL_FORMAT_L32A32_FLOAT, GL_LUMINANCE_ALPHA32F_ARB, GL_LUMINANCE_ALPHA, GL_FLOAT, NO_SWIZZLE }, }; static struct vrend_format_table integer_rg_formats[] = { { VIRGL_FORMAT_R8_UINT, GL_R8UI, GL_RED_INTEGER, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_R8G8_UINT, GL_RG8UI, GL_RG_INTEGER, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_R8_SINT, GL_R8I, GL_RED_INTEGER, GL_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_R8G8_SINT, GL_RG8I, GL_RG_INTEGER, GL_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_R16_UINT, GL_R16UI, GL_RED_INTEGER, GL_UNSIGNED_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_R16G16_UINT, GL_RG16UI, GL_RG_INTEGER, GL_UNSIGNED_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_R16_SINT, GL_R16I, GL_RED_INTEGER, GL_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_R16G16_SINT, GL_RG16I, GL_RG_INTEGER, GL_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_R32_UINT, GL_R32UI, GL_RED_INTEGER, GL_UNSIGNED_INT, NO_SWIZZLE }, { VIRGL_FORMAT_R32G32_UINT, GL_RG32UI, GL_RG_INTEGER, GL_UNSIGNED_INT, NO_SWIZZLE }, { VIRGL_FORMAT_R32_SINT, GL_R32I, GL_RED_INTEGER, GL_INT, NO_SWIZZLE }, { VIRGL_FORMAT_R32G32_SINT, GL_RG32I, GL_RG_INTEGER, GL_INT, NO_SWIZZLE }, }; static struct vrend_format_table float_rg_formats[] = { { VIRGL_FORMAT_R16_FLOAT, GL_R16F, GL_RED, GL_HALF_FLOAT, NO_SWIZZLE }, { VIRGL_FORMAT_R16G16_FLOAT, GL_RG16F, GL_RG, GL_HALF_FLOAT, NO_SWIZZLE }, { VIRGL_FORMAT_R32_FLOAT, GL_R32F, GL_RED, GL_FLOAT, NO_SWIZZLE }, { VIRGL_FORMAT_R32G32_FLOAT, GL_RG32F, GL_RG, GL_FLOAT, NO_SWIZZLE }, }; static struct vrend_format_table float_3comp_formats[] = { { VIRGL_FORMAT_R16G16B16X16_FLOAT, GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT, RGB1_SWIZZLE }, { VIRGL_FORMAT_R32G32B32_FLOAT, GL_RGB32F, GL_RGB, GL_FLOAT, NO_SWIZZLE }, }; static struct vrend_format_table integer_la_formats[] = { { VIRGL_FORMAT_A8_UINT, GL_ALPHA8UI_EXT, GL_ALPHA_INTEGER, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_L8_UINT, GL_R8UI, GL_RED_INTEGER, GL_UNSIGNED_BYTE, RRR1_SWIZZLE }, { VIRGL_FORMAT_L8A8_UINT, GL_LUMINANCE_ALPHA8UI_EXT, GL_LUMINANCE_ALPHA_INTEGER_EXT, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_A8_SINT, GL_ALPHA8I_EXT, GL_ALPHA_INTEGER, GL_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_L8_SINT, GL_R8I, GL_RED_INTEGER, GL_BYTE, RRR1_SWIZZLE }, { VIRGL_FORMAT_L8A8_SINT, GL_LUMINANCE_ALPHA8I_EXT, GL_LUMINANCE_ALPHA_INTEGER_EXT, GL_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_A16_UINT, GL_ALPHA16UI_EXT, GL_ALPHA_INTEGER, GL_UNSIGNED_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_L16_UINT, GL_R16UI, GL_RED_INTEGER, GL_UNSIGNED_SHORT, RRR1_SWIZZLE }, { VIRGL_FORMAT_L16A16_UINT, GL_LUMINANCE_ALPHA16UI_EXT, GL_LUMINANCE_ALPHA_INTEGER_EXT, GL_UNSIGNED_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_A16_SINT, GL_ALPHA16I_EXT, GL_ALPHA_INTEGER, GL_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_L16_SINT, GL_R16I, GL_RED_INTEGER, GL_SHORT, RRR1_SWIZZLE }, { VIRGL_FORMAT_L16A16_SINT, GL_LUMINANCE_ALPHA16I_EXT, GL_LUMINANCE_ALPHA_INTEGER_EXT, GL_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_A32_UINT, GL_ALPHA32UI_EXT, GL_ALPHA_INTEGER, GL_UNSIGNED_INT, NO_SWIZZLE }, { VIRGL_FORMAT_L32_UINT, GL_R32UI, GL_RED_INTEGER, GL_UNSIGNED_INT, RRR1_SWIZZLE }, { VIRGL_FORMAT_L32A32_UINT, GL_LUMINANCE_ALPHA32UI_EXT, GL_LUMINANCE_ALPHA_INTEGER_EXT, GL_UNSIGNED_INT, NO_SWIZZLE }, { VIRGL_FORMAT_A32_SINT, GL_ALPHA32I_EXT, GL_ALPHA_INTEGER, GL_INT, NO_SWIZZLE }, { VIRGL_FORMAT_L32_SINT, GL_R32I, GL_RED_INTEGER, GL_INT, RRR1_SWIZZLE }, { VIRGL_FORMAT_L32A32_SINT, GL_LUMINANCE_ALPHA32I_EXT, GL_LUMINANCE_ALPHA_INTEGER_EXT, GL_INT, NO_SWIZZLE }, }; static struct vrend_format_table snorm_formats[] = { { VIRGL_FORMAT_R8_SNORM, GL_R8_SNORM, GL_RED, GL_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_R8G8_SNORM, GL_RG8_SNORM, GL_RG, GL_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_R8G8B8A8_SNORM, GL_RGBA8_SNORM, GL_RGBA, GL_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_R8G8B8X8_SNORM, GL_RGBA8_SNORM, GL_RGBA, GL_BYTE, RGB1_SWIZZLE }, { VIRGL_FORMAT_R16_SNORM, GL_R16_SNORM, GL_RED, GL_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_R16G16_SNORM, GL_RG16_SNORM, GL_RG, GL_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_R16G16B16A16_SNORM, GL_RGBA16_SNORM, GL_RGBA, GL_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_R16G16B16X16_SNORM, GL_RGBA16_SNORM, GL_RGBA, GL_SHORT, RGB1_SWIZZLE }, }; static struct vrend_format_table snorm_la_formats[] = { { VIRGL_FORMAT_A8_SNORM, GL_ALPHA8_SNORM, GL_ALPHA, GL_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_L8_SNORM, GL_R8_SNORM, GL_RED, GL_BYTE, RRR1_SWIZZLE }, { VIRGL_FORMAT_L8A8_SNORM, GL_LUMINANCE8_ALPHA8_SNORM, GL_LUMINANCE_ALPHA, GL_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_A16_SNORM, GL_ALPHA16_SNORM, GL_ALPHA, GL_SHORT, NO_SWIZZLE }, { VIRGL_FORMAT_L16_SNORM, GL_R16_SNORM, GL_RED, GL_SHORT, RRR1_SWIZZLE }, { VIRGL_FORMAT_L16A16_SNORM, GL_LUMINANCE16_ALPHA16_SNORM, GL_LUMINANCE_ALPHA, GL_SHORT, NO_SWIZZLE }, }; static struct vrend_format_table dxtn_formats[] = { { VIRGL_FORMAT_DXT1_RGB, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_RGB, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_DXT1_RGBA, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_DXT3_RGBA, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_DXT5_RGBA, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, }; static struct vrend_format_table dxtn_srgb_formats[] = { { VIRGL_FORMAT_DXT1_SRGB, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, GL_RGB, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_DXT1_SRGBA, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_DXT3_SRGBA, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_DXT5_SRGBA, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, }; static struct vrend_format_table etc2_formats[] = { {VIRGL_FORMAT_ETC2_RGB8, GL_COMPRESSED_RGB8_ETC2, GL_RGB, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ETC2_SRGB8, GL_COMPRESSED_SRGB8_ETC2, GL_RGB, GL_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ETC2_RGB8A1, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ETC2_SRGB8A1, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_RGBA, GL_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ETC2_RGBA8, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ETC2_SRGBA8, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_RGBA, GL_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ETC2_R11_UNORM, GL_COMPRESSED_R11_EAC, GL_RED, GL_UNSIGNED_BYTE, NO_SWIZZLE}, {VIRGL_FORMAT_ETC2_R11_SNORM, GL_COMPRESSED_SIGNED_R11_EAC, GL_RED, GL_BYTE, NO_SWIZZLE}, {VIRGL_FORMAT_ETC2_RG11_UNORM, GL_COMPRESSED_RG11_EAC, GL_RG, GL_UNSIGNED_BYTE, NO_SWIZZLE}, {VIRGL_FORMAT_ETC2_RG11_SNORM, GL_COMPRESSED_SIGNED_RG11_EAC, GL_RG, GL_BYTE, NO_SWIZZLE}, }; static struct vrend_format_table astc_formats[] = { {VIRGL_FORMAT_ASTC_4x4, GL_COMPRESSED_RGBA_ASTC_4x4, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_5x4, GL_COMPRESSED_RGBA_ASTC_5x4, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_5x5, GL_COMPRESSED_RGBA_ASTC_5x5, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_6x5, GL_COMPRESSED_RGBA_ASTC_6x5, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_6x6, GL_COMPRESSED_RGBA_ASTC_6x6, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_8x5, GL_COMPRESSED_RGBA_ASTC_8x5, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_8x6, GL_COMPRESSED_RGBA_ASTC_8x6, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_8x8, GL_COMPRESSED_RGBA_ASTC_8x8, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_10x5, GL_COMPRESSED_RGBA_ASTC_10x5, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_10x6, GL_COMPRESSED_RGBA_ASTC_10x6, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_10x8, GL_COMPRESSED_RGBA_ASTC_10x8, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_10x10, GL_COMPRESSED_RGBA_ASTC_10x10, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_12x10, GL_COMPRESSED_RGBA_ASTC_12x10, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_12x12, GL_COMPRESSED_RGBA_ASTC_12x12, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_4x4_SRGB, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4, GL_RGBA, GL_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_5x4_SRGB, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4, GL_RGBA, GL_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_5x5_SRGB, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5, GL_RGBA, GL_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_6x5_SRGB, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5, GL_RGBA, GL_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_6x6_SRGB, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6, GL_RGBA, GL_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_8x5_SRGB, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5, GL_RGBA, GL_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_8x6_SRGB, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6, GL_RGBA, GL_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_8x8_SRGB, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8, GL_RGBA, GL_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_10x5_SRGB, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5, GL_RGBA, GL_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_10x6_SRGB, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6, GL_RGBA, GL_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_10x8_SRGB, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8, GL_RGBA, GL_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_10x10_SRGB, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10, GL_RGBA, GL_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_12x10_SRGB, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10, GL_RGBA, GL_BYTE, NO_SWIZZLE }, {VIRGL_FORMAT_ASTC_12x12_SRGB, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12, GL_RGBA, GL_BYTE, NO_SWIZZLE }, }; static struct vrend_format_table rgtc_formats[] = { { VIRGL_FORMAT_RGTC1_UNORM, GL_COMPRESSED_RED_RGTC1, GL_RED, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_RGTC1_SNORM, GL_COMPRESSED_SIGNED_RED_RGTC1, GL_RED, GL_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_RGTC2_UNORM, GL_COMPRESSED_RG_RGTC2, GL_RG, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_RGTC2_SNORM, GL_COMPRESSED_SIGNED_RG_RGTC2, GL_RG, GL_BYTE, NO_SWIZZLE }, }; static struct vrend_format_table srgb_formats[] = { { VIRGL_FORMAT_R8G8B8X8_SRGB, GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, RGB1_SWIZZLE }, { VIRGL_FORMAT_R8G8B8A8_SRGB, GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_L8_SRGB, GL_SR8_EXT, GL_RED, GL_UNSIGNED_BYTE, RRR1_SWIZZLE }, { VIRGL_FORMAT_R8_SRGB, GL_SR8_EXT, GL_RED, GL_UNSIGNED_BYTE, NO_SWIZZLE }, }; static struct vrend_format_table gl_srgb_formats[] = { { VIRGL_FORMAT_B8G8R8X8_SRGB, GL_SRGB8_ALPHA8, GL_BGRA, GL_UNSIGNED_BYTE, RGB1_SWIZZLE }, { VIRGL_FORMAT_B8G8R8A8_SRGB, GL_SRGB8_ALPHA8, GL_BGRA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, }; static struct vrend_format_table bit10_formats[] = { { VIRGL_FORMAT_B10G10R10X2_UNORM, GL_RGB10_A2, GL_BGRA, GL_UNSIGNED_INT_2_10_10_10_REV, RGB1_SWIZZLE }, { VIRGL_FORMAT_B10G10R10A2_UNORM, GL_RGB10_A2, GL_BGRA, GL_UNSIGNED_INT_2_10_10_10_REV, NO_SWIZZLE }, { VIRGL_FORMAT_B10G10R10A2_UINT, GL_RGB10_A2UI, GL_BGRA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, NO_SWIZZLE }, { VIRGL_FORMAT_R10G10B10X2_UNORM, GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, RGB1_SWIZZLE }, { VIRGL_FORMAT_R10G10B10A2_UNORM, GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, NO_SWIZZLE }, { VIRGL_FORMAT_R10G10B10A2_UINT, GL_RGB10_A2UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, NO_SWIZZLE }, }; static struct vrend_format_table packed_float_formats[] = { { VIRGL_FORMAT_R11G11B10_FLOAT, GL_R11F_G11F_B10F, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, NO_SWIZZLE }, }; static struct vrend_format_table exponent_float_formats[] = { { VIRGL_FORMAT_R9G9B9E5_FLOAT, GL_RGB9_E5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, NO_SWIZZLE }, }; static struct vrend_format_table bptc_formats[] = { { VIRGL_FORMAT_BPTC_RGBA_UNORM, GL_COMPRESSED_RGBA_BPTC_UNORM, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_BPTC_SRGBA, GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM, GL_RGBA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_BPTC_RGB_FLOAT, GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT, GL_RGB, GL_UNSIGNED_BYTE, NO_SWIZZLE }, { VIRGL_FORMAT_BPTC_RGB_UFLOAT, GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT, GL_RGB, GL_UNSIGNED_BYTE, NO_SWIZZLE }, }; static struct vrend_format_table gl_bgra_formats[] = { { VIRGL_FORMAT_B8G8R8X8_UNORM, GL_RGBA8, GL_BGRA, GL_UNSIGNED_BYTE, RGB1_SWIZZLE }, { VIRGL_FORMAT_B8G8R8A8_UNORM, GL_RGBA8, GL_BGRA, GL_UNSIGNED_BYTE, NO_SWIZZLE }, }; static struct vrend_format_table gles_bgra_formats[] = { { VIRGL_FORMAT_B8G8R8X8_UNORM, GL_BGRA_EXT, GL_BGRA_EXT, GL_UNSIGNED_BYTE, RGB1_SWIZZLE }, { VIRGL_FORMAT_B8G8R8A8_UNORM, GL_BGRA_EXT, GL_BGRA_EXT, GL_UNSIGNED_BYTE, NO_SWIZZLE }, }; static struct vrend_format_table gles_bgra_formats_emulation[] = { { VIRGL_FORMAT_B8G8R8X8_UNORM_EMULATED, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, BGR1_SWIZZLE }, { VIRGL_FORMAT_B8G8R8A8_UNORM_EMULATED, GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, BGRA_SWIZZLE }, { VIRGL_FORMAT_B8G8R8X8_SRGB, GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, BGR1_SWIZZLE }, { VIRGL_FORMAT_B8G8R8A8_SRGB, GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, BGRA_SWIZZLE }, }; static struct vrend_format_table gles_z32_format[] = { { VIRGL_FORMAT_Z32_UNORM, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NO_SWIZZLE }, }; static struct vrend_format_table gles_bit10_formats[] = { { VIRGL_FORMAT_B10G10R10X2_UNORM, GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, RGB1_SWIZZLE }, { VIRGL_FORMAT_B10G10R10A2_UNORM, GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, NO_SWIZZLE }, }; static bool color_format_can_readback(struct vrend_format_table *virgl_format, int gles_ver) { GLint imp = 0; if (virgl_format->format == VIRGL_FORMAT_R8G8B8A8_UNORM) return true; if (gles_ver >= 30 && (virgl_format->format == VIRGL_FORMAT_R32G32B32A32_SINT || virgl_format->format == VIRGL_FORMAT_R32G32B32A32_UINT)) return true; if ((virgl_format->format == VIRGL_FORMAT_R32G32B32A32_FLOAT) && (gles_ver >= 32 || epoxy_has_gl_extension("GL_EXT_color_buffer_float"))) return true; /* Hotfix for the CI, on GLES these formats are defined like * VIRGL_FORMAT_R10G10B10.2_UNORM, and seems to be incorrect for direct * readback but the blit workaround seems to work, so disable the * direct readback for these two formats. */ if (virgl_format->format == VIRGL_FORMAT_B10G10R10A2_UNORM || virgl_format->format == VIRGL_FORMAT_B10G10R10X2_UNORM) return false; /* Check implementation specific readback formats */ glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE, &imp); if (imp == (GLint)virgl_format->gltype) { glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT, &imp); if (imp == (GLint)virgl_format->glformat) return true; } return false; } static bool depth_stencil_formats_can_readback(enum virgl_formats format) { switch (format) { case VIRGL_FORMAT_Z16_UNORM: case VIRGL_FORMAT_Z32_UNORM: case VIRGL_FORMAT_Z32_FLOAT: case VIRGL_FORMAT_Z24X8_UNORM: return epoxy_has_gl_extension("GL_NV_read_depth"); case VIRGL_FORMAT_Z24_UNORM_S8_UINT: case VIRGL_FORMAT_S8_UINT_Z24_UNORM: case VIRGL_FORMAT_Z32_FLOAT_S8X24_UINT: return epoxy_has_gl_extension("GL_NV_read_depth_stencil"); case VIRGL_FORMAT_X24S8_UINT: case VIRGL_FORMAT_S8X24_UINT: case VIRGL_FORMAT_S8_UINT: return epoxy_has_gl_extension("GL_NV_read_stencil"); default: return false; } } static void vrend_add_formats(struct vrend_format_table *table, int num_entries) { int i; const bool is_desktop_gl = epoxy_is_desktop_gl(); const int gles_ver = is_desktop_gl ? 0 : epoxy_gl_version(); for (i = 0; i < num_entries; i++) { GLenum status; bool is_depth = false; uint32_t flags = 0; uint32_t binding = 0; GLuint buffers; GLuint tex_id, fb_id; /**/ glGenTextures(1, &tex_id); glGenFramebuffers(1, &fb_id); glBindTexture(GL_TEXTURE_2D, tex_id); glBindFramebuffer(GL_FRAMEBUFFER, fb_id); /* we can't probe compressed formats, as we'd need valid payloads to * glCompressedTexImage2D. Let's just check for extensions instead. */ if (table[i].format < VIRGL_FORMAT_MAX) { const struct util_format_description *desc = util_format_description(table[i].format); switch (desc->layout) { case UTIL_FORMAT_LAYOUT_S3TC: if (epoxy_has_gl_extension("GL_S3_s3tc") || epoxy_has_gl_extension("GL_EXT_texture_compression_s3tc")) vrend_insert_format(&table[i], VIRGL_BIND_SAMPLER_VIEW, flags); continue; case UTIL_FORMAT_LAYOUT_RGTC: if (epoxy_has_gl_extension("GL_ARB_texture_compression_rgtc") || epoxy_has_gl_extension("GL_EXT_texture_compression_rgtc") ) vrend_insert_format(&table[i], VIRGL_BIND_SAMPLER_VIEW, flags); continue; case UTIL_FORMAT_LAYOUT_ETC: if ((table[i].format == VIRGL_FORMAT_ETC1_RGB8 && epoxy_has_gl_extension("GL_OES_compressed_ETC1_RGB8_texture")) || (table[i].format != VIRGL_FORMAT_ETC1_RGB8 && gles_ver >= 30)) vrend_insert_format(&table[i], VIRGL_BIND_SAMPLER_VIEW, flags); continue; case UTIL_FORMAT_LAYOUT_BPTC: if (epoxy_has_gl_extension("GL_ARB_texture_compression_bptc") || epoxy_has_gl_extension("GL_EXT_texture_compression_bptc")) vrend_insert_format(&table[i], VIRGL_BIND_SAMPLER_VIEW, flags); continue; case UTIL_FORMAT_LAYOUT_ASTC: if(epoxy_has_gl_extension("GL_KHR_texture_compression_astc_ldr")) vrend_insert_format(&table[i], VIRGL_BIND_SAMPLER_VIEW, flags); continue; default: ;/* do logic below */ } } /* The error state should be clear here */ status = glGetError(); assert(status == GL_NO_ERROR); glTexImage2D(GL_TEXTURE_2D, 0, table[i].internalformat, 32, 32, 0, table[i].glformat, table[i].gltype, NULL); status = glGetError(); if (status == GL_INVALID_VALUE || status == GL_INVALID_ENUM || status == GL_INVALID_OPERATION) { struct vrend_format_table *entry = NULL; uint8_t swizzle[4]; binding = VIRGL_BIND_SAMPLER_VIEW | VIRGL_BIND_RENDER_TARGET; switch (table[i].format) { case VIRGL_FORMAT_A8_UNORM: entry = &rg_base_formats[0]; swizzle[0] = swizzle[1] = swizzle[2] = PIPE_SWIZZLE_ZERO; swizzle[3] = PIPE_SWIZZLE_RED; break; case VIRGL_FORMAT_A16_UNORM: entry = &rg_base_formats[2]; swizzle[0] = swizzle[1] = swizzle[2] = PIPE_SWIZZLE_ZERO; swizzle[3] = PIPE_SWIZZLE_RED; break; default: break; } if (entry) { vrend_insert_format_swizzle(table[i].format, entry, binding, swizzle, flags); } glDeleteTextures(1, &tex_id); glDeleteFramebuffers(1, &fb_id); continue; } if (table[i].format < VIRGL_FORMAT_MAX && util_format_is_depth_or_stencil(table[i].format)) { GLenum attachment; if (table[i].format == VIRGL_FORMAT_Z24X8_UNORM || table[i].format == VIRGL_FORMAT_Z32_UNORM || table[i].format == VIRGL_FORMAT_Z16_UNORM || table[i].format == VIRGL_FORMAT_Z32_FLOAT) attachment = GL_DEPTH_ATTACHMENT; else attachment = GL_DEPTH_STENCIL_ATTACHMENT; glFramebufferTexture2D(GL_FRAMEBUFFER, attachment, GL_TEXTURE_2D, tex_id, 0); is_depth = true; buffers = GL_NONE; glDrawBuffers(1, &buffers); } else { glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex_id, 0); buffers = GL_COLOR_ATTACHMENT0; glDrawBuffers(1, &buffers); } status = glCheckFramebufferStatus(GL_FRAMEBUFFER); binding = VIRGL_BIND_SAMPLER_VIEW; if (status == GL_FRAMEBUFFER_COMPLETE) { binding |= is_depth ? VIRGL_BIND_DEPTH_STENCIL : VIRGL_BIND_RENDER_TARGET; if (is_desktop_gl || (is_depth && depth_stencil_formats_can_readback(table[i].format)) || color_format_can_readback(&table[i], gles_ver)) flags |= VIRGL_TEXTURE_CAN_READBACK; } if (i == VIRGL_FORMAT_B8G8R8A8_UNORM_EMULATED) { table[VIRGL_FORMAT_B8G8R8A8_UNORM].flags |= VIRGL_TEXTURE_CAN_READBACK; binding |= VIRGL_BIND_PREFER_EMULATED_BGRA; } else if (i == VIRGL_FORMAT_B8G8R8X8_UNORM_EMULATED) { table[VIRGL_FORMAT_B8G8R8X8_UNORM].flags |= VIRGL_TEXTURE_CAN_READBACK; binding |= VIRGL_BIND_PREFER_EMULATED_BGRA; } glDeleteTextures(1, &tex_id); glDeleteFramebuffers(1, &fb_id); if (table[i].swizzle[0] != SWIZZLE_INVALID) vrend_insert_format_swizzle(table[i].format, &table[i], binding, table[i].swizzle, flags); else vrend_insert_format(&table[i], binding, flags); } } #define add_formats(x) vrend_add_formats((x), ARRAY_SIZE((x))) void vrend_build_format_list_common(void) { add_formats(base_rgba_formats); add_formats(base_depth_formats); add_formats(base_la_formats); /* float support */ add_formats(float_base_formats); add_formats(float_la_formats); add_formats(float_3comp_formats); /* texture integer support ? */ add_formats(integer_base_formats); add_formats(integer_la_formats); add_formats(integer_3comp_formats); /* RG support? */ add_formats(rg_base_formats); /* integer + rg */ add_formats(integer_rg_formats); /* float + rg */ add_formats(float_rg_formats); /* snorm */ add_formats(snorm_formats); add_formats(snorm_la_formats); /* compressed */ add_formats(etc2_formats); add_formats(astc_formats); add_formats(rgtc_formats); add_formats(dxtn_formats); add_formats(dxtn_srgb_formats); add_formats(srgb_formats); add_formats(bit10_formats); add_formats(packed_float_formats); add_formats(exponent_float_formats); add_formats(bptc_formats); } void vrend_build_format_list_gl(void) { /* GL_BGRA formats aren't as well supported in GLES as in GL, specially in * transfer operations. So we only register support for it in GL. */ add_formats(gl_base_rgba_formats); add_formats(gl_bgra_formats); add_formats(gl_srgb_formats); } void vrend_build_format_list_gles(void) { /* The BGR[A|X] formats is required but OpenGL ES does not * support rendering to it. Try to use GL_BGRA_EXT from the * GL_EXT_texture_format_BGRA8888 extension. But the * GL_BGRA_EXT format is not supported by OpenGL Desktop. */ add_formats(gles_bgra_formats); /* The Z32 format is required, but OpenGL ES does not support * using it as a depth buffer. We just fake support with Z24 * and hope nobody notices. */ add_formats(gles_z32_format); add_formats(gles_bit10_formats); } void vrend_build_emulated_format_list_gles(void) { add_formats(gles_bgra_formats_emulation); } /* glTexStorage may not support all that is supported by glTexImage, * so add a flag to indicate when it can be used. */ void vrend_check_texture_storage(struct vrend_format_table *table) { int i; GLuint tex_id; for (i = 0; i < VIRGL_FORMAT_MAX_EXTENDED; i++) { if (table[i].internalformat != 0 && !(table[i].flags & VIRGL_TEXTURE_CAN_TEXTURE_STORAGE)) { glGenTextures(1, &tex_id); glBindTexture(GL_TEXTURE_2D, tex_id); glTexStorage2D(GL_TEXTURE_2D, 1, table[i].internalformat, 32, 32); if (glGetError() == GL_NO_ERROR) table[i].flags |= VIRGL_TEXTURE_CAN_TEXTURE_STORAGE; glDeleteTextures(1, &tex_id); } } } bool vrend_check_framebuffer_mixed_color_attachements() { GLuint tex_id[2]; GLuint fb_id; bool retval = false; glGenTextures(2, tex_id); glGenFramebuffers(1, &fb_id); glBindTexture(GL_TEXTURE_2D, tex_id[0]); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 32, 32, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); glBindFramebuffer(GL_FRAMEBUFFER, fb_id); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex_id[0], 0); glBindTexture(GL_TEXTURE_2D, tex_id[1]); glTexImage2D(GL_TEXTURE_2D, 0, GL_RED, 32, 32, 0, GL_RED, GL_UNSIGNED_BYTE, NULL); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1, GL_TEXTURE_2D, tex_id[1], 0); retval = glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE; glDeleteFramebuffers(1, &fb_id); glDeleteTextures(2, tex_id); return retval; } unsigned vrend_renderer_query_multisample_caps(unsigned max_samples, struct virgl_caps_v2 *caps) { GLuint tex; GLuint fbo; GLenum status; uint max_samples_confirmed = 1; uint test_num_samples[4] = {2,4,8,16}; int out_buf_offsets[4] = {0,1,2,4}; int lowest_working_ms_count_idx = -1; assert(glGetError() == GL_NO_ERROR && "Stale error state detected, please check for failures in initialization"); glGenFramebuffers( 1, &fbo ); memset(caps->sample_locations, 0, 8 * sizeof(uint32_t)); for (int i = 3; i >= 0; i--) { if (test_num_samples[i] > max_samples) continue; glGenTextures(1, &tex); glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, tex); glTexStorage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, test_num_samples[i], GL_RGBA32F, 64, 64, GL_TRUE); status = glGetError(); if (status == GL_NO_ERROR) { glBindFramebuffer(GL_FRAMEBUFFER, fbo); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D_MULTISAMPLE, tex, 0); status = glCheckFramebufferStatus(GL_FRAMEBUFFER); if (status == GL_FRAMEBUFFER_COMPLETE) { if (max_samples_confirmed < test_num_samples[i]) max_samples_confirmed = test_num_samples[i]; for (uint k = 0; k < test_num_samples[i]; ++k) { float msp[2]; uint32_t compressed; glGetMultisamplefv(GL_SAMPLE_POSITION, k, msp); compressed = ((unsigned)(floor(msp[0] * 16.0f)) & 0xf) << 4; compressed |= ((unsigned)(floor(msp[1] * 16.0f)) & 0xf); caps->sample_locations[out_buf_offsets[i] + (k >> 2)] |= compressed << (8 * (k & 3)); } lowest_working_ms_count_idx = i; } else { /* If a framebuffer doesn't support low sample counts, * use the sample position from the last working larger count. */ if (lowest_working_ms_count_idx > 0) { for (uint k = 0; k < test_num_samples[i]; ++k) { caps->sample_locations[out_buf_offsets[i] + (k >> 2)] = caps->sample_locations[out_buf_offsets[lowest_working_ms_count_idx] + (k >> 2)]; } } } glBindFramebuffer(GL_FRAMEBUFFER, 0); } glDeleteTextures(1, &tex); } glDeleteFramebuffers(1, &fbo); return max_samples_confirmed; } /* returns: 1 = compatible, -1 = not compatible, 0 = undecided */ static int format_uncompressed_compressed_copy_compatible(enum virgl_formats src, enum virgl_formats dst) { switch (src) { case VIRGL_FORMAT_R32G32B32A32_UINT: case VIRGL_FORMAT_R32G32B32A32_SINT: case VIRGL_FORMAT_R32G32B32A32_FLOAT: case VIRGL_FORMAT_R32G32B32A32_SNORM: case VIRGL_FORMAT_R32G32B32A32_UNORM: switch (dst) { case VIRGL_FORMAT_DXT3_RGBA: case VIRGL_FORMAT_DXT3_SRGBA: case VIRGL_FORMAT_DXT5_RGBA: case VIRGL_FORMAT_DXT5_SRGBA: case VIRGL_FORMAT_RGTC2_UNORM: case VIRGL_FORMAT_RGTC2_SNORM: case VIRGL_FORMAT_BPTC_RGBA_UNORM: case VIRGL_FORMAT_BPTC_SRGBA: case VIRGL_FORMAT_BPTC_RGB_FLOAT: case VIRGL_FORMAT_BPTC_RGB_UFLOAT: case VIRGL_FORMAT_ETC2_RGBA8: case VIRGL_FORMAT_ETC2_SRGBA8: case VIRGL_FORMAT_ETC2_RG11_UNORM: case VIRGL_FORMAT_ETC2_RG11_SNORM: return 1; case VIRGL_FORMAT_ASTC_4x4: case VIRGL_FORMAT_ASTC_5x4: case VIRGL_FORMAT_ASTC_5x5: case VIRGL_FORMAT_ASTC_6x5: case VIRGL_FORMAT_ASTC_6x6: case VIRGL_FORMAT_ASTC_8x5: case VIRGL_FORMAT_ASTC_8x6: case VIRGL_FORMAT_ASTC_8x8: case VIRGL_FORMAT_ASTC_10x5: case VIRGL_FORMAT_ASTC_10x6: case VIRGL_FORMAT_ASTC_10x8: case VIRGL_FORMAT_ASTC_10x10: case VIRGL_FORMAT_ASTC_12x10: case VIRGL_FORMAT_ASTC_12x12: case VIRGL_FORMAT_ASTC_4x4_SRGB: case VIRGL_FORMAT_ASTC_5x5_SRGB: case VIRGL_FORMAT_ASTC_6x5_SRGB: case VIRGL_FORMAT_ASTC_6x6_SRGB: case VIRGL_FORMAT_ASTC_8x5_SRGB: case VIRGL_FORMAT_ASTC_8x6_SRGB: case VIRGL_FORMAT_ASTC_8x8_SRGB: case VIRGL_FORMAT_ASTC_10x5_SRGB: case VIRGL_FORMAT_ASTC_10x6_SRGB: case VIRGL_FORMAT_ASTC_10x8_SRGB: case VIRGL_FORMAT_ASTC_10x10_SRGB: case VIRGL_FORMAT_ASTC_12x10_SRGB: case VIRGL_FORMAT_ASTC_12x12_SRGB: return epoxy_is_desktop_gl() ? -1 : 1; default: return -1; } case VIRGL_FORMAT_R16G16B16A16_UINT: case VIRGL_FORMAT_R16G16B16A16_SINT: case VIRGL_FORMAT_R16G16B16A16_FLOAT: case VIRGL_FORMAT_R16G16B16A16_SNORM: case VIRGL_FORMAT_R16G16B16A16_UNORM: case VIRGL_FORMAT_R32G32_UINT: case VIRGL_FORMAT_R32G32_SINT: case VIRGL_FORMAT_R32G32_FLOAT: case VIRGL_FORMAT_R32G32_UNORM: case VIRGL_FORMAT_R32G32_SNORM: switch (dst) { case VIRGL_FORMAT_DXT1_RGBA: case VIRGL_FORMAT_DXT1_SRGBA: case VIRGL_FORMAT_DXT1_RGB: case VIRGL_FORMAT_DXT1_SRGB: case VIRGL_FORMAT_RGTC1_UNORM: case VIRGL_FORMAT_RGTC1_SNORM: case VIRGL_FORMAT_ETC2_RGB8: case VIRGL_FORMAT_ETC2_SRGB8: case VIRGL_FORMAT_ETC2_RGB8A1: case VIRGL_FORMAT_ETC2_SRGB8A1: case VIRGL_FORMAT_ETC2_R11_UNORM: case VIRGL_FORMAT_ETC2_R11_SNORM: return 1; default: return -1; } default: return 0; } } static boolean format_compressed_compressed_copy_compatible(enum virgl_formats src, enum virgl_formats dst) { const bool is_desktop_gl = epoxy_is_desktop_gl(); if(!is_desktop_gl) { if((src == VIRGL_FORMAT_ASTC_4x4 && dst == VIRGL_FORMAT_ASTC_4x4_SRGB) || (src == VIRGL_FORMAT_ASTC_5x4 && dst == VIRGL_FORMAT_ASTC_5x4_SRGB) || (src == VIRGL_FORMAT_ASTC_5x5 && dst == VIRGL_FORMAT_ASTC_5x5_SRGB) || (src == VIRGL_FORMAT_ASTC_6x5 && dst == VIRGL_FORMAT_ASTC_6x5_SRGB) || (src == VIRGL_FORMAT_ASTC_6x6 && dst == VIRGL_FORMAT_ASTC_6x6_SRGB) || (src == VIRGL_FORMAT_ASTC_8x5 && dst == VIRGL_FORMAT_ASTC_8x5_SRGB) || (src == VIRGL_FORMAT_ASTC_8x6 && dst == VIRGL_FORMAT_ASTC_8x6_SRGB) || (src == VIRGL_FORMAT_ASTC_8x8 && dst == VIRGL_FORMAT_ASTC_8x8_SRGB) || (src == VIRGL_FORMAT_ASTC_10x5 && dst == VIRGL_FORMAT_ASTC_10x5_SRGB) || (src == VIRGL_FORMAT_ASTC_10x6 && dst == VIRGL_FORMAT_ASTC_10x5_SRGB) || (src == VIRGL_FORMAT_ASTC_10x8 && dst == VIRGL_FORMAT_ASTC_10x8_SRGB) || (src == VIRGL_FORMAT_ASTC_10x10 && dst == VIRGL_FORMAT_ASTC_10x10_SRGB) || (src == VIRGL_FORMAT_ASTC_12x10 && dst == VIRGL_FORMAT_ASTC_12x10_SRGB) || (src == VIRGL_FORMAT_ASTC_12x12 && dst == VIRGL_FORMAT_ASTC_12x12_SRGB)) return true; } if ((src == VIRGL_FORMAT_RGTC1_UNORM && dst == VIRGL_FORMAT_RGTC1_SNORM) || (src == VIRGL_FORMAT_RGTC2_UNORM && dst == VIRGL_FORMAT_RGTC2_SNORM) || (src == VIRGL_FORMAT_BPTC_RGBA_UNORM && dst == VIRGL_FORMAT_BPTC_SRGBA) || (src == VIRGL_FORMAT_BPTC_RGB_FLOAT && dst == VIRGL_FORMAT_BPTC_RGB_UFLOAT) || (src == VIRGL_FORMAT_ETC2_R11_UNORM && dst == VIRGL_FORMAT_ETC2_R11_SNORM) || (src == VIRGL_FORMAT_ETC2_RG11_UNORM && dst == VIRGL_FORMAT_ETC2_RG11_SNORM) || (src == VIRGL_FORMAT_ETC2_RGBA8 && dst == VIRGL_FORMAT_ETC2_SRGBA8) || (src == VIRGL_FORMAT_ETC2_RGB8A1 && dst == VIRGL_FORMAT_ETC2_SRGB8A1) || (src == VIRGL_FORMAT_ETC2_RGB8 && dst == VIRGL_FORMAT_ETC2_SRGB8)) return true; return false; } boolean format_is_copy_compatible(enum virgl_formats src, enum virgl_formats dst, boolean allow_compressed) { int r; if (src == dst) return true; if (util_format_is_plain(src) && util_format_is_plain(dst)) { const struct util_format_description *src_desc = util_format_description(src); const struct util_format_description *dst_desc = util_format_description(dst); return util_is_format_compatible(src_desc, dst_desc); } if (!allow_compressed) return false; /* compressed-uncompressed */ r = format_uncompressed_compressed_copy_compatible(src, dst); if (r) return r > 0; r = format_uncompressed_compressed_copy_compatible(dst, src); if (r) return r > 0; return format_compressed_compressed_copy_compatible(dst, src) || format_compressed_compressed_copy_compatible(src, dst); }