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shader_recompiler: Add lowering pass for when 64-bit float is unsupported. (#2858)

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* shader_recompiler: Add lowering pass for when 64-bit float is unsupported.

* shader_recompiler: Fix PackDouble2x32/UnpackDouble2x32 type.

* shader_recompiler: Remove extra bit cast implementations.
This commit is contained in:
squidbus
2025-04-28 00:04:16 -07:00
committed by GitHub
parent 385c5a4507
commit 81fa9b7fff
14 changed files with 220 additions and 33 deletions
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5
src/video_core/renderer_vulkan/vk_instance.h
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@@ -89,6 +89,11 @@ public:
return features.depthBounds;
}
/// Returns true if 64-bit floats are supported in shaders
bool IsShaderFloat64Supported() const {
return features.shaderFloat64;
}
/// Returns true when VK_EXT_custom_border_color is supported
bool IsCustomBorderColorSupported() const {
return custom_border_color;

1
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
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@@ -196,6 +196,7 @@ PipelineCache::PipelineCache(const Instance& instance_, Scheduler& scheduler_,
profile = Shader::Profile{
.supported_spirv = SpirvVersion1_6,
.subgroup_size = instance.SubgroupSize(),
.support_float64 = instance.IsShaderFloat64Supported(),
.support_fp32_denorm_preserve = bool(vk12_props.shaderDenormPreserveFloat32),
.support_fp32_denorm_flush = bool(vk12_props.shaderDenormFlushToZeroFloat32),
.support_fp32_round_to_zero = bool(vk12_props.shaderRoundingModeRTZFloat32),