[GPU] Non-ROV f24 trunc/round, host shader modifications, cache dir

src/xenia/gpu/dxbc_shader.h

@@ -0,0 +1,83 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2020 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_GPU_DXBC_SHADER_H_
+#define XENIA_GPU_DXBC_SHADER_H_
+
+#include <vector>
+
+#include "xenia/gpu/dxbc_shader_translator.h"
+#include "xenia/gpu/shader.h"
+#include "xenia/gpu/xenos.h"
+
+namespace xe {
+namespace gpu {
+
+class DxbcShader : public Shader {
+ public:
+  class DxbcTranslation : public Translation {
+   public:
+    DxbcTranslation(DxbcShader& shader, uint32_t modification)
+        : Translation(shader, modification) {}
+  };
+
+  DxbcShader(xenos::ShaderType shader_type, uint64_t data_hash,
+             const uint32_t* dword_ptr, uint32_t dword_count);
+
+  static constexpr uint32_t kMaxTextureBindingIndexBits =
+      DxbcShaderTranslator::kMaxTextureBindingIndexBits;
+  static constexpr uint32_t kMaxTextureBindings =
+      DxbcShaderTranslator::kMaxTextureBindings;
+  struct TextureBinding {
+    uint32_t bindless_descriptor_index;
+    uint32_t fetch_constant;
+    // Stacked and 3D are separate TextureBindings, even for bindless for null
+    // descriptor handling simplicity.
+    xenos::FetchOpDimension dimension;
+    bool is_signed;
+  };
+  // Safe to hash and compare with memcmp for layout hashing.
+  const TextureBinding* GetTextureBindings(uint32_t& count_out) const {
+    count_out = uint32_t(texture_bindings_.size());
+    return texture_bindings_.data();
+  }
+  const uint32_t GetUsedTextureMask() const { return used_texture_mask_; }
+
+  static constexpr uint32_t kMaxSamplerBindingIndexBits =
+      DxbcShaderTranslator::kMaxSamplerBindingIndexBits;
+  static constexpr uint32_t kMaxSamplerBindings =
+      DxbcShaderTranslator::kMaxSamplerBindings;
+  struct SamplerBinding {
+    uint32_t bindless_descriptor_index;
+    uint32_t fetch_constant;
+    xenos::TextureFilter mag_filter;
+    xenos::TextureFilter min_filter;
+    xenos::TextureFilter mip_filter;
+    xenos::AnisoFilter aniso_filter;
+  };
+  const SamplerBinding* GetSamplerBindings(uint32_t& count_out) const {
+    count_out = uint32_t(sampler_bindings_.size());
+    return sampler_bindings_.data();
+  }
+
+ protected:
+  Translation* CreateTranslationInstance(uint32_t modification) override;
+
+ private:
+  friend class DxbcShaderTranslator;
+
+  std::vector<TextureBinding> texture_bindings_;
+  std::vector<SamplerBinding> sampler_bindings_;
+  uint32_t used_texture_mask_ = 0;
+};
+
+}  // namespace gpu
+}  // namespace xe
+
+#endif  // XENIA_GPU_DXBC_SHADER_H_