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[SPIR-V] Shared memory SSBOs

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This commit is contained in:
Triang3l
2020-11-04 18:57:08 +03:00
parent 8665fa7517
commit 533bdf2114
2 changed files with 147 additions and 1 deletions
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20
src/xenia/gpu/spirv_shader_translator.h
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@@ -66,12 +66,28 @@ class SpirvShaderTranslator : public ShaderTranslator {
explicit Features(const ui::vulkan::VulkanProvider& provider);
explicit Features(bool all = false);
unsigned int spirv_version;
uint32_t max_storage_buffer_range;
bool clip_distance;
bool cull_distance;
bool float_controls;
};
SpirvShaderTranslator(const Features& features);
static constexpr uint32_t GetSharedMemoryStorageBufferCountLog2(
uint32_t max_storage_buffer_range) {
if (max_storage_buffer_range >= 512 * 1024 * 1024) {
return 0;
}
if (max_storage_buffer_range >= 256 * 1024 * 1024) {
return 1;
}
return 2;
}
uint32_t GetSharedMemoryStorageBufferCountLog2() const {
return GetSharedMemoryStorageBufferCountLog2(
features_.max_storage_buffer_range);
}
protected:
void Reset() override;
@@ -204,6 +220,8 @@ class SpirvShaderTranslator : public ShaderTranslator {
// Perform endian swap of a uint scalar or vector.
spv::Id EndianSwap32Uint(spv::Id value, spv::Id endian);
spv::Id LoadUint32FromSharedMemory(spv::Id address_dwords_int);
Features features_;
std::unique_ptr<spv::Builder> builder_;
@@ -278,6 +296,8 @@ class SpirvShaderTranslator : public ShaderTranslator {
spv::Id uniform_float_constants_;
spv::Id uniform_bool_loop_constants_;
spv::Id buffers_shared_memory_[512 / 128];
// VS as VS only - int.
spv::Id input_vertex_index_;
// VS as TES only - int.