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Merge pull request #3434 from namkazt/patch-2

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vk_shader: Implement ImageLoad
This commit is contained in:
Rodrigo Locatti 2020-02-21 15:55:05 -03:00 committed by GitHub
commit ef27b4b7b5
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3 changed files with 25 additions and 2 deletions
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4
src/video_core/renderer_vulkan/vk_device.cpp
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@ -107,6 +107,8 @@ bool VKDevice::Create(const vk::DispatchLoaderDynamic& dldi, vk::Instance instan
features.occlusionQueryPrecise = true;
features.fragmentStoresAndAtomics = true;
features.shaderImageGatherExtended = true;
features.shaderStorageImageReadWithoutFormat =
is_shader_storage_img_read_without_format_supported;
features.shaderStorageImageWriteWithoutFormat = true;
features.textureCompressionASTC_LDR = is_optimal_astc_supported;
@ -465,6 +467,8 @@ void VKDevice::SetupFamilies(const vk::DispatchLoaderDynamic& dldi, vk::SurfaceK
void VKDevice::SetupFeatures(const vk::DispatchLoaderDynamic& dldi) {
const auto supported_features{physical.getFeatures(dldi)};
is_shader_storage_img_read_without_format_supported =
supported_features.shaderStorageImageReadWithoutFormat;
is_optimal_astc_supported = IsOptimalAstcSupported(supported_features, dldi);
}

7
src/video_core/renderer_vulkan/vk_device.h
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@ -122,6 +122,11 @@ public:
return properties.limits.maxPushConstantsSize;
}
/// Returns true if Shader storage Image Read Without Format supported.
bool IsShaderStorageImageReadWithoutFormatSupported() const {
return is_shader_storage_img_read_without_format_supported;
}
/// Returns true if ASTC is natively supported.
bool IsOptimalAstcSupported() const {
return is_optimal_astc_supported;
@ -227,6 +232,8 @@ private:
bool ext_depth_range_unrestricted{}; ///< Support for VK_EXT_depth_range_unrestricted.
bool ext_shader_viewport_index_layer{}; ///< Support for VK_EXT_shader_viewport_index_layer.
bool nv_device_diagnostic_checkpoints{}; ///< Support for VK_NV_device_diagnostic_checkpoints.
bool is_shader_storage_img_read_without_format_supported{}; ///< Support for shader storage
///< image read without format
// Telemetry parameters
std::string vendor_name; ///< Device's driver name.

16
src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
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@ -292,6 +292,10 @@ public:
}
}
if (device.IsShaderStorageImageReadWithoutFormatSupported()) {
AddCapability(spv::Capability::StorageImageReadWithoutFormat);
}
if (device.IsFloat16Supported()) {
AddCapability(spv::Capability::Float16);
}
@ -1755,8 +1759,16 @@ private:
}
Expression ImageLoad(Operation operation) {
UNIMPLEMENTED();
return {};
if (!device.IsShaderStorageImageReadWithoutFormatSupported()) {
return {v_float_zero, Type::Float};
}
const auto& meta{std::get<MetaImage>(operation.GetMeta())};
const Id coords = GetCoordinates(operation, Type::Int);
const Id texel = OpImageRead(t_uint4, GetImage(operation), coords);
return {OpCompositeExtract(t_uint, texel, meta.element), Type::Uint};
}
Expression ImageStore(Operation operation) {