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@ -27,6 +27,7 @@ struct FormatTuple {
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GLint internal_format;
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GLenum format;
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GLenum type;
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ComponentType component_type;
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bool compressed;
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};
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@ -65,29 +66,32 @@ struct FormatTuple {
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}
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static constexpr std::array<FormatTuple, SurfaceParams::MaxPixelFormat> tex_format_tuples = {{
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{GL_RGBA8, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, false}, // ABGR8
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{GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV, false}, // B5G6R5
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{GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, false}, // A2B10G10R10
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{GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV, false}, // A1B5G5R5
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{GL_R8, GL_RED, GL_UNSIGNED_BYTE, false}, // R8
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{GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT, false}, // RGBA16F
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{GL_R11F_G11F_B10F, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, false}, // R11FG11FB10F
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{GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_RGB, GL_UNSIGNED_INT_8_8_8_8, true}, // DXT1
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{GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, true}, // DXT23
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{GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, true}, // DXT45
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{GL_COMPRESSED_RED_RGTC1, GL_RED, GL_UNSIGNED_INT_8_8_8_8, true}, // DXN1
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{GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, false}, // ASTC_2D_4X4
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{GL_RGBA8, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, ComponentType::UNorm, false}, // ABGR8
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{GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV, ComponentType::UNorm, false}, // B5G6R5
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{GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, ComponentType::UNorm,
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false}, // A2B10G10R10
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{GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV, ComponentType::UNorm, false}, // A1B5G5R5
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{GL_R8, GL_RED, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // R8
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{GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT, ComponentType::Float, false}, // RGBA16F
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{GL_R11F_G11F_B10F, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, ComponentType::Float,
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false}, // R11FG11FB10F
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{GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_RGB, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm,
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true}, // DXT1
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{GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm,
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true}, // DXT23
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{GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm,
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true}, // DXT45
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{GL_COMPRESSED_RED_RGTC1, GL_RED, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm, true}, // DXN1
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{GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_4X4
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}};
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static const FormatTuple& GetFormatTuple(PixelFormat pixel_format, ComponentType component_type) {
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const SurfaceType type = SurfaceParams::GetFormatType(pixel_format);
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if (type == SurfaceType::ColorTexture) {
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ASSERT(static_cast<size_t>(pixel_format) < tex_format_tuples.size());
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// For now only UNORM components are supported, or either R11FG11FB10F or RGBA16F which
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// are type FLOAT
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ASSERT(component_type == ComponentType::UNorm || pixel_format == PixelFormat::RGBA16F ||
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pixel_format == PixelFormat::R11FG11FB10F);
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return tex_format_tuples[static_cast<unsigned int>(pixel_format)];
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auto& format = tex_format_tuples[static_cast<unsigned int>(pixel_format)];
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ASSERT(component_type == format.component_type);
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return format;
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} else if (type == SurfaceType::Depth || type == SurfaceType::DepthStencil) {
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// TODO(Subv): Implement depth formats
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ASSERT_MSG(false, "Unimplemented");
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