[D3D12] ROV: Empty pixel shader for depth-only drawing

This commit is contained in:
Triang3l 2018-10-16 14:02:43 +03:00
parent 6e9964b43e
commit 2d56c9ae30
4 changed files with 560 additions and 440 deletions

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@ -15,6 +15,7 @@
#include <cinttypes>
#include <cmath>
#include <cstring>
#include <utility>
#include "xenia/base/assert.h"
#include "xenia/base/logging.h"
@ -42,6 +43,11 @@ PipelineCache::PipelineCache(D3D12CommandProcessor* command_processor,
edram_rov_used_(edram_rov_used) {
shader_translator_ = std::make_unique<DxbcShaderTranslator>(edram_rov_used_);
if (edram_rov_used_) {
depth_only_pixel_shader_ =
std::move(shader_translator_->CreateDepthOnlyPixelShader());
}
// Set pipeline state description values we never change.
// Zero out tessellation, stream output, blend state and formats for render
// targets 4+, node mask, cached PSO, flags and other things.
@ -325,8 +331,13 @@ PipelineCache::UpdateStatus PipelineCache::UpdateShaderStages(
update_desc_.PS.pShaderBytecode = pixel_shader->translated_binary().data();
update_desc_.PS.BytecodeLength = pixel_shader->translated_binary().size();
} else {
update_desc_.PS.pShaderBytecode = nullptr;
update_desc_.PS.BytecodeLength = 0;
if (edram_rov_used_) {
update_desc_.PS.pShaderBytecode = depth_only_pixel_shader_.data();
update_desc_.PS.BytecodeLength = depth_only_pixel_shader_.size();
} else {
update_desc_.PS.pShaderBytecode = nullptr;
update_desc_.PS.BytecodeLength = 0;
}
}
switch (primitive_type) {
case PrimitiveType::kPointList:

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@ -11,6 +11,7 @@
#define XENIA_GPU_D3D12_PIPELINE_CACHE_H_
#include <unordered_map>
#include <vector>
#include "third_party/xxhash/xxhash.h"
@ -93,6 +94,10 @@ class PipelineCache {
// All loaded shaders mapped by their guest hash key.
std::unordered_map<uint64_t, D3D12Shader*> shader_map_;
// Empty depth-only pixel shader for writing to depth buffer via ROV when no
// Xenos pixel shader provided.
std::vector<uint8_t> depth_only_pixel_shader_;
// Hash state used to incrementally produce pipeline hashes during update.
// By the time the full update pass has run the hash will represent the
// current state in a way that can uniquely identify the produced

File diff suppressed because it is too large Load Diff

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@ -376,6 +376,10 @@ class DxbcShaderTranslator : public ShaderTranslator {
static bool GetBlendConstants(uint32_t blend_control, uint32_t& blend_x_out,
uint32_t& blend_y_out);
// Creates a special pixel shader without color outputs - this resets the
// state of the translator.
std::vector<uint8_t> CreateDepthOnlyPixelShader();
protected:
void Reset() override;
@ -603,6 +607,15 @@ class DxbcShaderTranslator : public ShaderTranslator {
(index_representation_1 << 25) | (index_representation_2 << 28);
}
// Use these instead of is_vertex_shader/is_pixel_shader because they don't
// take is_depth_only_pixel_shader_ into account.
inline bool IsDXBCVertexShader() const {
return !is_depth_only_pixel_shader_ && is_vertex_shader();
}
inline bool IsDXBCPixelShader() const {
return is_depth_only_pixel_shader_ || is_pixel_shader();
}
// Allocates a new r# register for internal use and returns its index.
uint32_t PushSystemTemp(bool zero = false);
// Frees the last allocated internal r# registers for later reuse.
@ -783,6 +796,10 @@ class DxbcShaderTranslator : public ShaderTranslator {
// Whether the output merger should be emulated in pixel shaders.
bool edram_rov_used_;
// Is currently writing the empty depth-only pixel shader, for
// CompleteTranslation.
bool is_depth_only_pixel_shader_;
// Data types used in constants buffers. Listed in dependency order.
enum class RdefTypeIndex {
kFloat,