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[Vulkan] EDRAM range ownership transfers, resolve clears, 2x-as-4x MSAA

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Transfers are functional on a D3D12-like level, but need additional work so fallbacks are used when multisampled integer sampled images are not supported, and to eliminate transfers between render targets within Vulkan format compatibility classes by using different views directly.
This commit is contained in:
Triang3l
2022-04-03 16:40:29 +03:00
parent 85fc7036b8
commit 0acb97d383
22 changed files with 5668 additions and 144 deletions
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36
src/xenia/gpu/spirv_shader_translator.h
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@@ -138,6 +138,10 @@ class SpirvShaderTranslator : public ShaderTranslator {
kDescriptorSetCount,
};
// "Xenia Emulator Microcode Translator".
// https://github.com/KhronosGroup/SPIRV-Headers/blob/c43a43c7cc3af55910b9bec2a71e3e8a622443cf/include/spirv/spir-v.xml#L79
static constexpr uint32_t kSpirvMagicToolId = 26;
struct Features {
explicit Features(const ui::vulkan::VulkanProvider& provider);
explicit Features(bool all = false);
@@ -172,6 +176,38 @@ class SpirvShaderTranslator : public ShaderTranslator {
features_.max_storage_buffer_range);
}
// Common functions useful not only for the translator, but also for EDRAM
// emulation via conventional render targets.
// Converts the color value externally clamped to [0, 31.875] to 7e3 floating
// point, with zeros in bits 10:31, rounding to the nearest even.
static spv::Id PreClampedFloat32To7e3(spv::Builder& builder,
spv::Id f32_scalar,
spv::Id ext_inst_glsl_std_450);
// Same as PreClampedFloat32To7e3, but clamps the input to [0, 31.875].
static spv::Id UnclampedFloat32To7e3(spv::Builder& builder,
spv::Id f32_scalar,
spv::Id ext_inst_glsl_std_450);
// Converts the 7e3 number in bits [f10_shift, f10_shift + 10) to a 32-bit
// float.
static spv::Id Float7e3To32(spv::Builder& builder, spv::Id f10_uint_scalar,
uint32_t f10_shift, bool result_as_uint,
spv::Id ext_inst_glsl_std_450);
// Converts the depth value externally clamped to the representable [0, 2)
// range to 20e4 floating point, with zeros in bits 24:31, rounding to the
// nearest even. If remap_from_0_to_0_5 is true, it's assumed that 0...1 is
// pre-remapped to 0...0.5 in the input.
static spv::Id PreClampedDepthTo20e4(spv::Builder& builder,
spv::Id f32_scalar,
bool remap_from_0_to_0_5,
spv::Id ext_inst_glsl_std_450);
// Converts the 20e4 number in bits [f24_shift, f24_shift + 10) to a 32-bit
// float.
static spv::Id Depth20e4To32(spv::Builder& builder, spv::Id f24_uint_scalar,
uint32_t f24_shift, bool remap_to_0_to_0_5,
bool result_as_uint,
spv::Id ext_inst_glsl_std_450);
protected:
void Reset() override;