[D3D12] ROV: Empty pixel shader for depth-only drawing
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@ -15,6 +15,7 @@
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#include <cinttypes>
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#include <cmath>
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#include <cstring>
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#include <utility>
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#include "xenia/base/assert.h"
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#include "xenia/base/logging.h"
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@ -42,6 +43,11 @@ PipelineCache::PipelineCache(D3D12CommandProcessor* command_processor,
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edram_rov_used_(edram_rov_used) {
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shader_translator_ = std::make_unique<DxbcShaderTranslator>(edram_rov_used_);
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if (edram_rov_used_) {
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depth_only_pixel_shader_ =
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std::move(shader_translator_->CreateDepthOnlyPixelShader());
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}
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// Set pipeline state description values we never change.
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// Zero out tessellation, stream output, blend state and formats for render
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// targets 4+, node mask, cached PSO, flags and other things.
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@ -325,8 +331,13 @@ PipelineCache::UpdateStatus PipelineCache::UpdateShaderStages(
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update_desc_.PS.pShaderBytecode = pixel_shader->translated_binary().data();
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update_desc_.PS.BytecodeLength = pixel_shader->translated_binary().size();
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} else {
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update_desc_.PS.pShaderBytecode = nullptr;
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update_desc_.PS.BytecodeLength = 0;
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if (edram_rov_used_) {
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update_desc_.PS.pShaderBytecode = depth_only_pixel_shader_.data();
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update_desc_.PS.BytecodeLength = depth_only_pixel_shader_.size();
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} else {
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update_desc_.PS.pShaderBytecode = nullptr;
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update_desc_.PS.BytecodeLength = 0;
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}
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}
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switch (primitive_type) {
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case PrimitiveType::kPointList:
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@ -11,6 +11,7 @@
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#define XENIA_GPU_D3D12_PIPELINE_CACHE_H_
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#include <unordered_map>
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#include <vector>
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#include "third_party/xxhash/xxhash.h"
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@ -93,6 +94,10 @@ class PipelineCache {
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// All loaded shaders mapped by their guest hash key.
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std::unordered_map<uint64_t, D3D12Shader*> shader_map_;
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// Empty depth-only pixel shader for writing to depth buffer via ROV when no
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// Xenos pixel shader provided.
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std::vector<uint8_t> depth_only_pixel_shader_;
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// Hash state used to incrementally produce pipeline hashes during update.
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// By the time the full update pass has run the hash will represent the
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// current state in a way that can uniquely identify the produced
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File diff suppressed because it is too large
Load Diff
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@ -376,6 +376,10 @@ class DxbcShaderTranslator : public ShaderTranslator {
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static bool GetBlendConstants(uint32_t blend_control, uint32_t& blend_x_out,
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uint32_t& blend_y_out);
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// Creates a special pixel shader without color outputs - this resets the
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// state of the translator.
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std::vector<uint8_t> CreateDepthOnlyPixelShader();
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protected:
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void Reset() override;
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@ -603,6 +607,15 @@ class DxbcShaderTranslator : public ShaderTranslator {
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(index_representation_1 << 25) | (index_representation_2 << 28);
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}
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// Use these instead of is_vertex_shader/is_pixel_shader because they don't
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// take is_depth_only_pixel_shader_ into account.
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inline bool IsDXBCVertexShader() const {
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return !is_depth_only_pixel_shader_ && is_vertex_shader();
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}
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inline bool IsDXBCPixelShader() const {
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return is_depth_only_pixel_shader_ || is_pixel_shader();
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}
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// Allocates a new r# register for internal use and returns its index.
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uint32_t PushSystemTemp(bool zero = false);
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// Frees the last allocated internal r# registers for later reuse.
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@ -783,6 +796,10 @@ class DxbcShaderTranslator : public ShaderTranslator {
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// Whether the output merger should be emulated in pixel shaders.
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bool edram_rov_used_;
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// Is currently writing the empty depth-only pixel shader, for
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// CompleteTranslation.
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bool is_depth_only_pixel_shader_;
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// Data types used in constants buffers. Listed in dependency order.
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enum class RdefTypeIndex {
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kFloat,
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