gl_device: Detect if ASTC is reported and expose it
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@ -131,6 +131,31 @@ std::array<Device::BaseBindings, Tegra::Engines::MaxShaderTypes> BuildBaseBindin
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return bindings;
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}
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bool IsASTCSupported() {
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static constexpr std::array formats = {
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GL_COMPRESSED_RGBA_ASTC_4x4_KHR, GL_COMPRESSED_RGBA_ASTC_5x4_KHR,
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GL_COMPRESSED_RGBA_ASTC_5x5_KHR, GL_COMPRESSED_RGBA_ASTC_6x5_KHR,
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GL_COMPRESSED_RGBA_ASTC_6x6_KHR, GL_COMPRESSED_RGBA_ASTC_8x5_KHR,
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GL_COMPRESSED_RGBA_ASTC_8x6_KHR, GL_COMPRESSED_RGBA_ASTC_8x8_KHR,
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GL_COMPRESSED_RGBA_ASTC_10x5_KHR, GL_COMPRESSED_RGBA_ASTC_10x6_KHR,
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GL_COMPRESSED_RGBA_ASTC_10x8_KHR, GL_COMPRESSED_RGBA_ASTC_10x10_KHR,
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GL_COMPRESSED_RGBA_ASTC_12x10_KHR, GL_COMPRESSED_RGBA_ASTC_12x12_KHR,
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GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR,
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GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR,
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GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR,
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GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR,
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GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR,
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GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR,
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GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR,
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};
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return std::find_if_not(formats.begin(), formats.end(), [](GLenum format) {
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GLint supported;
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glGetInternalformativ(GL_TEXTURE_2D, format, GL_INTERNALFORMAT_SUPPORTED, 1,
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&supported);
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return supported == GL_TRUE;
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}) == formats.end();
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}
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} // Anonymous namespace
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Device::Device() : base_bindings{BuildBaseBindings()} {
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@ -152,6 +177,7 @@ Device::Device() : base_bindings{BuildBaseBindings()} {
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has_shader_ballot = GLAD_GL_ARB_shader_ballot;
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has_vertex_viewport_layer = GLAD_GL_ARB_shader_viewport_layer_array;
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has_image_load_formatted = HasExtension(extensions, "GL_EXT_shader_image_load_formatted");
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has_astc = IsASTCSupported();
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has_variable_aoffi = TestVariableAoffi();
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has_component_indexing_bug = is_amd;
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has_precise_bug = TestPreciseBug();
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@ -64,6 +64,10 @@ public:
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return has_image_load_formatted;
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}
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bool HasASTC() const {
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return has_astc;
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}
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bool HasVariableAoffi() const {
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return has_variable_aoffi;
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}
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@ -97,6 +101,7 @@ private:
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bool has_shader_ballot{};
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bool has_vertex_viewport_layer{};
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bool has_image_load_formatted{};
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bool has_astc{};
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bool has_variable_aoffi{};
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bool has_component_indexing_bug{};
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bool has_precise_bug{};
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