normalize common filenames in VideoBackends/OGL

Source/Core/VideoBackends/OGL/OGLRender.h

@@ -0,0 +1,182 @@
+// Copyright 2008 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <string>
+
+#include "Common/GL/GLContext.h"
+#include "Common/GL/GLExtensions/GLExtensions.h"
+#include "VideoCommon/RenderBase.h"
+
+namespace OGL
+{
+class OGLFramebuffer;
+class OGLPipeline;
+class OGLTexture;
+
+enum GlslVersion
+{
+  Glsl130,
+  Glsl140,
+  Glsl150,
+  Glsl330,
+  Glsl400,  // and above
+  Glsl430,
+  GlslEs300,  // GLES 3.0
+  GlslEs310,  // GLES 3.1
+  GlslEs320,  // GLES 3.2
+};
+enum class EsTexbufType
+{
+  TexbufNone,
+  TexbufCore,
+  TexbufOes,
+  TexbufExt
+};
+
+enum class EsFbFetchType
+{
+  FbFetchNone,
+  FbFetchExt,
+  FbFetchArm,
+};
+
+// ogl-only config, so not in VideoConfig.h
+struct VideoConfig
+{
+  bool bIsES;
+  bool bSupportsGLPinnedMemory;
+  bool bSupportsGLSync;
+  bool bSupportsGLBaseVertex;
+  bool bSupportsGLBufferStorage;
+  bool bSupportsMSAA;
+  GlslVersion eSupportedGLSLVersion;
+  bool bSupportViewportFloat;
+  bool bSupportsAEP;
+  bool bSupportsDebug;
+  bool bSupportsCopySubImage;
+  u8 SupportedESPointSize;
+  EsTexbufType SupportedESTextureBuffer;
+  bool bSupportsTextureStorage;
+  bool bSupports2DTextureStorageMultisample;
+  bool bSupports3DTextureStorageMultisample;
+  bool bSupportsConservativeDepth;
+  bool bSupportsImageLoadStore;
+  bool bSupportsAniso;
+  bool bSupportsBitfield;
+  bool bSupportsTextureSubImage;
+  EsFbFetchType SupportedFramebufferFetch;
+  bool bSupportsShaderThreadShuffleNV;
+
+  const char* gl_vendor;
+  const char* gl_renderer;
+  const char* gl_version;
+
+  s32 max_samples;
+};
+extern VideoConfig g_ogl_config;
+
+class Renderer : public ::Renderer
+{
+public:
+  Renderer(std::unique_ptr<GLContext> main_gl_context, float backbuffer_scale);
+  ~Renderer() override;
+
+  static Renderer* GetInstance() { return static_cast<Renderer*>(g_renderer.get()); }
+
+  bool IsHeadless() const override;
+
+  bool Initialize() override;
+  void Shutdown() override;
+
+  std::unique_ptr<AbstractTexture> CreateTexture(const TextureConfig& config) override;
+  std::unique_ptr<AbstractStagingTexture>
+  CreateStagingTexture(StagingTextureType type, const TextureConfig& config) override;
+  std::unique_ptr<AbstractShader> CreateShaderFromSource(ShaderStage stage,
+                                                         std::string_view source) override;
+  std::unique_ptr<AbstractShader> CreateShaderFromBinary(ShaderStage stage, const void* data,
+                                                         size_t length) override;
+  std::unique_ptr<NativeVertexFormat>
+  CreateNativeVertexFormat(const PortableVertexDeclaration& vtx_decl) override;
+  std::unique_ptr<AbstractPipeline> CreatePipeline(const AbstractPipelineConfig& config,
+                                                   const void* cache_data = nullptr,
+                                                   size_t cache_data_length = 0) override;
+  std::unique_ptr<AbstractFramebuffer>
+  CreateFramebuffer(AbstractTexture* color_attachment, AbstractTexture* depth_attachment) override;
+
+  void SetPipeline(const AbstractPipeline* pipeline) override;
+  void SetFramebuffer(AbstractFramebuffer* framebuffer) override;
+  void SetAndDiscardFramebuffer(AbstractFramebuffer* framebuffer) override;
+  void SetAndClearFramebuffer(AbstractFramebuffer* framebuffer, const ClearColor& color_value = {},
+                              float depth_value = 0.0f) override;
+  void SetScissorRect(const MathUtil::Rectangle<int>& rc) override;
+  void SetTexture(u32 index, const AbstractTexture* texture) override;
+  void SetSamplerState(u32 index, const SamplerState& state) override;
+  void SetComputeImageTexture(AbstractTexture* texture, bool read, bool write) override;
+  void UnbindTexture(const AbstractTexture* texture) override;
+  void SetViewport(float x, float y, float width, float height, float near_depth,
+                   float far_depth) override;
+  void Draw(u32 base_vertex, u32 num_vertices) override;
+  void DrawIndexed(u32 base_index, u32 num_indices, u32 base_vertex) override;
+  void DispatchComputeShader(const AbstractShader* shader, u32 groups_x, u32 groups_y,
+                             u32 groups_z) override;
+  void BindBackbuffer(const ClearColor& clear_color = {}) override;
+  void PresentBackbuffer() override;
+
+  u16 BBoxRead(int index) override;
+  void BBoxWrite(int index, u16 value) override;
+
+  void BeginUtilityDrawing() override;
+  void EndUtilityDrawing() override;
+
+  void Flush() override;
+  void WaitForGPUIdle() override;
+  void RenderXFBToScreen(const MathUtil::Rectangle<int>& target_rc,
+                         const AbstractTexture* source_texture,
+                         const MathUtil::Rectangle<int>& source_rc) override;
+  void OnConfigChanged(u32 bits) override;
+
+  void ClearScreen(const MathUtil::Rectangle<int>& rc, bool colorEnable, bool alphaEnable,
+                   bool zEnable, u32 color, u32 z) override;
+
+  std::unique_ptr<VideoCommon::AsyncShaderCompiler> CreateAsyncShaderCompiler() override;
+
+  // Only call methods from this on the GPU thread.
+  GLContext* GetMainGLContext() const { return m_main_gl_context.get(); }
+  bool IsGLES() const { return m_main_gl_context->IsGLES(); }
+
+  // Invalidates a cached texture binding. Required for texel buffers when they borrow the units.
+  void InvalidateTextureBinding(u32 index) { m_bound_textures[index] = nullptr; }
+
+  // The shared framebuffer exists for copying textures when extensions are not available. It is
+  // slower, but the only way to do these things otherwise.
+  GLuint GetSharedReadFramebuffer() const { return m_shared_read_framebuffer; }
+  GLuint GetSharedDrawFramebuffer() const { return m_shared_draw_framebuffer; }
+  void BindSharedReadFramebuffer();
+  void BindSharedDrawFramebuffer();
+
+  // Restores FBO binding after it's been changed.
+  void RestoreFramebufferBinding();
+
+private:
+  void CheckForSurfaceChange();
+  void CheckForSurfaceResize();
+
+  void ApplyRasterizationState(const RasterizationState state);
+  void ApplyDepthState(const DepthState state);
+  void ApplyBlendingState(const BlendingState state);
+
+  std::unique_ptr<GLContext> m_main_gl_context;
+  std::unique_ptr<OGLFramebuffer> m_system_framebuffer;
+  std::array<const OGLTexture*, 8> m_bound_textures{};
+  AbstractTexture* m_bound_image_texture = nullptr;
+  RasterizationState m_current_rasterization_state;
+  DepthState m_current_depth_state;
+  BlendingState m_current_blend_state;
+  GLuint m_shared_read_framebuffer = 0;
+  GLuint m_shared_draw_framebuffer = 0;
+};
+}  // namespace OGL