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[D3D12] Bindless textures/samplers

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Triang3l
2020-06-19 23:52:33 +03:00
parent 9f789e01b6
commit 40e335e2a9
23 changed files with 3565 additions and 1747 deletions
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52
src/xenia/gpu/d3d12/d3d12_shader.cc
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@@ -9,6 +9,8 @@
#include "xenia/gpu/d3d12/d3d12_shader.h"
#include <cstring>
#include "xenia/base/assert.h"
#include "xenia/base/logging.h"
#include "xenia/gpu/gpu_flags.h"
@@ -18,8 +20,8 @@ namespace xe {
namespace gpu {
namespace d3d12 {
constexpr uint32_t D3D12Shader::kMaxTextureSRVIndexBits;
constexpr uint32_t D3D12Shader::kMaxTextureSRVs;
constexpr uint32_t D3D12Shader::kMaxTextureBindingIndexBits;
constexpr uint32_t D3D12Shader::kMaxTextureBindings;
constexpr uint32_t D3D12Shader::kMaxSamplerBindingIndexBits;
constexpr uint32_t D3D12Shader::kMaxSamplerBindings;
@@ -28,34 +30,40 @@ D3D12Shader::D3D12Shader(ShaderType shader_type, uint64_t data_hash,
: Shader(shader_type, data_hash, dword_ptr, dword_count) {}
void D3D12Shader::SetTexturesAndSamplers(
const DxbcShaderTranslator::TextureSRV* texture_srvs,
uint32_t texture_srv_count,
const DxbcShaderTranslator::TextureBinding* texture_bindings,
uint32_t texture_binding_count,
const DxbcShaderTranslator::SamplerBinding* sampler_bindings,
uint32_t sampler_binding_count) {
texture_srvs_.clear();
texture_srvs_.reserve(texture_srv_count);
texture_bindings_.clear();
texture_bindings_.reserve(texture_binding_count);
used_texture_mask_ = 0;
for (uint32_t i = 0; i < texture_srv_count; ++i) {
TextureSRV srv;
const DxbcShaderTranslator::TextureSRV& translator_srv = texture_srvs[i];
srv.fetch_constant = translator_srv.fetch_constant;
srv.dimension = translator_srv.dimension;
srv.is_signed = translator_srv.is_signed;
texture_srvs_.push_back(srv);
used_texture_mask_ |= 1u << translator_srv.fetch_constant;
for (uint32_t i = 0; i < texture_binding_count; ++i) {
TextureBinding& binding = texture_bindings_.emplace_back();
// For a stable hash.
std::memset(&binding, 0, sizeof(binding));
const DxbcShaderTranslator::TextureBinding& translator_binding =
texture_bindings[i];
binding.bindless_descriptor_index =
translator_binding.bindless_descriptor_index;
binding.fetch_constant = translator_binding.fetch_constant;
binding.dimension = translator_binding.dimension;
binding.is_signed = translator_binding.is_signed;
used_texture_mask_ |= 1u << translator_binding.fetch_constant;
}
sampler_bindings_.clear();
sampler_bindings_.reserve(sampler_binding_count);
for (uint32_t i = 0; i < sampler_binding_count; ++i) {
SamplerBinding sampler;
const DxbcShaderTranslator::SamplerBinding& translator_sampler =
SamplerBinding binding;
const DxbcShaderTranslator::SamplerBinding& translator_binding =
sampler_bindings[i];
sampler.fetch_constant = translator_sampler.fetch_constant;
sampler.mag_filter = translator_sampler.mag_filter;
sampler.min_filter = translator_sampler.min_filter;
sampler.mip_filter = translator_sampler.mip_filter;
sampler.aniso_filter = translator_sampler.aniso_filter;
sampler_bindings_.push_back(sampler);
binding.bindless_descriptor_index =
translator_binding.bindless_descriptor_index;
binding.fetch_constant = translator_binding.fetch_constant;
binding.mag_filter = translator_binding.mag_filter;
binding.min_filter = translator_binding.min_filter;
binding.mip_filter = translator_binding.mip_filter;
binding.aniso_filter = translator_binding.aniso_filter;
sampler_bindings_.push_back(binding);
}
}