| // |
| // Copyright (c) 2012-2013 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| // Renderer.h: Defines a back-end specific class that hides the details of the |
| // implementation-specific renderer. |
| |
| #ifndef LIBGLESV2_RENDERER_RENDERER_H_ |
| #define LIBGLESV2_RENDERER_RENDERER_H_ |
| |
| #define GL_APICALL |
| #include <GLES2/gl2.h> |
| #include <GLES2/gl2ext.h> |
| #define EGLAPI |
| #include <EGL/egl.h> |
| |
| #include <D3Dcompiler.h> |
| |
| #include "libGLESv2/Texture.h" |
| #include "libGLESv2/Uniform.h" |
| #include "libGLESv2/angletypes.h" |
| |
| #include "libGLESv2/renderer/ShaderExecutable.h" |
| |
| const int versionWindowsVista = MAKEWORD(0x00, 0x06); |
| const int versionWindows7 = MAKEWORD(0x01, 0x06); |
| |
| // Return the version of the operating system in a format suitable for ordering |
| // comparison. |
| inline int getComparableOSVersion() |
| { |
| DWORD version = GetVersion(); |
| int majorVersion = LOBYTE(LOWORD(version)); |
| int minorVersion = HIBYTE(LOWORD(version)); |
| return MAKEWORD(minorVersion, majorVersion); |
| } |
| |
| namespace egl |
| { |
| class Display; |
| } |
| |
| namespace gl |
| { |
| class InfoLog; |
| class ProgramBinary; |
| class VertexAttribute; |
| class Buffer; |
| } |
| |
| namespace rx |
| { |
| class TextureStorageInterface2D; |
| class TextureStorageInterfaceCube; |
| class VertexBuffer; |
| class IndexBuffer; |
| class Blit; |
| struct TranslatedIndexData; |
| |
| struct ConfigDesc |
| { |
| GLenum renderTargetFormat; |
| GLenum depthStencilFormat; |
| GLint multiSample; |
| bool fastConfig; |
| }; |
| |
| struct dx_VertexConstants |
| { |
| float depthRange[4]; |
| float halfPixelSize[4]; |
| }; |
| |
| struct dx_PixelConstants |
| { |
| float depthRange[4]; |
| float coord[4]; |
| float depthFront[4]; |
| }; |
| |
| class Renderer |
| { |
| public: |
| explicit Renderer(egl::Display *display); |
| virtual ~Renderer(); |
| |
| virtual EGLint initialize() = 0; |
| virtual bool resetDevice() = 0; |
| |
| virtual int generateConfigs(ConfigDesc **configDescList) = 0; |
| virtual void deleteConfigs(ConfigDesc *configDescList) = 0; |
| |
| virtual void sync(bool block) = 0; |
| |
| virtual SwapChain *createSwapChain(HWND window, HANDLE shareHandle, GLenum backBufferFormat, GLenum depthBufferFormat) = 0; |
| |
| virtual void setSamplerState(gl::SamplerType type, int index, const gl::SamplerState &sampler) = 0; |
| virtual void setTexture(gl::SamplerType type, int index, gl::Texture *texture) = 0; |
| |
| virtual void setRasterizerState(const gl::RasterizerState &rasterState) = 0; |
| virtual void setBlendState(const gl::BlendState &blendState, const gl::Color &blendColor, |
| unsigned int sampleMask) = 0; |
| virtual void setDepthStencilState(const gl::DepthStencilState &depthStencilState, int stencilRef, |
| int stencilBackRef, bool frontFaceCCW) = 0; |
| |
| virtual void setScissorRectangle(const gl::Rectangle &scissor, bool enabled) = 0; |
| virtual bool setViewport(const gl::Rectangle &viewport, float zNear, float zFar, GLenum drawMode, GLenum frontFace, |
| bool ignoreViewport, gl::ProgramBinary *currentProgram) = 0; |
| |
| virtual bool applyRenderTarget(gl::Framebuffer *frameBuffer) = 0; |
| virtual void applyShaders(gl::ProgramBinary *programBinary) = 0; |
| virtual void applyUniforms(gl::ProgramBinary *programBinary, gl::UniformArray *uniformArray) = 0; |
| virtual bool applyPrimitiveType(GLenum primitiveType, GLsizei elementCount) = 0; |
| virtual GLenum applyVertexBuffer(gl::ProgramBinary *programBinary, gl::VertexAttribute vertexAttributes[], GLint first, GLsizei count, GLsizei instances) = 0; |
| virtual GLenum applyIndexBuffer(const GLvoid *indices, gl::Buffer *elementArrayBuffer, GLsizei count, GLenum mode, GLenum type, TranslatedIndexData *indexInfo) = 0; |
| |
| virtual void drawArrays(GLenum mode, GLsizei count, GLsizei instances) = 0; |
| virtual void drawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, gl::Buffer *elementArrayBuffer, const TranslatedIndexData &indexInfo) = 0; |
| |
| virtual void clear(const gl::ClearParameters &clearParams, gl::Framebuffer *frameBuffer) = 0; |
| |
| virtual void markAllStateDirty() = 0; |
| |
| // lost device |
| virtual void markDeviceLost() = 0; |
| virtual bool isDeviceLost() = 0; |
| virtual bool testDeviceLost(bool notify) = 0; |
| virtual bool testDeviceResettable() = 0; |
| |
| // Renderer capabilities |
| virtual DWORD getAdapterVendor() const = 0; |
| virtual std::string getRendererDescription() const = 0; |
| virtual GUID getAdapterIdentifier() const = 0; |
| |
| virtual bool getBGRATextureSupport() const = 0; |
| virtual bool getDXT1TextureSupport() = 0; |
| virtual bool getDXT3TextureSupport() = 0; |
| virtual bool getDXT5TextureSupport() = 0; |
| virtual bool getEventQuerySupport() = 0; |
| virtual bool getFloat32TextureSupport(bool *filtering, bool *renderable) = 0; |
| virtual bool getFloat16TextureSupport(bool *filtering, bool *renderable) = 0; |
| virtual bool getLuminanceTextureSupport() = 0; |
| virtual bool getLuminanceAlphaTextureSupport() = 0; |
| bool getVertexTextureSupport() const { return getMaxVertexTextureImageUnits() > 0; } |
| virtual unsigned int getMaxVertexTextureImageUnits() const = 0; |
| virtual unsigned int getMaxCombinedTextureImageUnits() const = 0; |
| virtual int getMaxVertexUniformVectors() const = 0; |
| virtual int getMaxFragmentUniformVectors() const = 0; |
| virtual int getMaxVaryingVectors() const = 0; |
| virtual bool getNonPower2TextureSupport() const = 0; |
| virtual bool getDepthTextureSupport() const = 0; |
| virtual bool getOcclusionQuerySupport() const = 0; |
| virtual bool getInstancingSupport() const = 0; |
| virtual bool getTextureFilterAnisotropySupport() const = 0; |
| virtual float getTextureMaxAnisotropy() const = 0; |
| virtual bool getShareHandleSupport() const = 0; |
| virtual bool getDerivativeInstructionSupport() const = 0; |
| |
| virtual int getMajorShaderModel() const = 0; |
| virtual float getMaxPointSize() const = 0; |
| virtual int getMaxTextureWidth() const = 0; |
| virtual int getMaxTextureHeight() const = 0; |
| virtual bool get32BitIndexSupport() const = 0; |
| virtual int getMinSwapInterval() const = 0; |
| virtual int getMaxSwapInterval() const = 0; |
| |
| virtual GLsizei getMaxSupportedSamples() const = 0; |
| |
| // Pixel operations |
| virtual bool copyToRenderTarget(TextureStorageInterface2D *dest, TextureStorageInterface2D *source) = 0; |
| virtual bool copyToRenderTarget(TextureStorageInterfaceCube *dest, TextureStorageInterfaceCube *source) = 0; |
| |
| virtual bool copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat, |
| GLint xoffset, GLint yoffset, TextureStorageInterface2D *storage, GLint level) = 0; |
| virtual bool copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat, |
| GLint xoffset, GLint yoffset, TextureStorageInterfaceCube *storage, GLenum target, GLint level) = 0; |
| |
| virtual bool blitRect(gl::Framebuffer *readTarget, gl::Rectangle *readRect, gl::Framebuffer *drawTarget, gl::Rectangle *drawRect, |
| bool blitRenderTarget, bool blitDepthStencil) = 0; |
| virtual void readPixels(gl::Framebuffer *framebuffer, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, |
| GLsizei outputPitch, bool packReverseRowOrder, GLint packAlignment, void* pixels) = 0; |
| |
| // RenderTarget creation |
| virtual RenderTarget *createRenderTarget(SwapChain *swapChain, bool depth) = 0; |
| virtual RenderTarget *createRenderTarget(int width, int height, GLenum format, GLsizei samples, bool depth) = 0; |
| |
| // Shader operations |
| virtual ShaderExecutable *loadExecutable(const void *function, size_t length, GLenum type) = 0; |
| virtual ShaderExecutable *compileToExecutable(gl::InfoLog &infoLog, const char *shaderHLSL, GLenum type) = 0; |
| |
| // Image operations |
| virtual Image *createImage() = 0; |
| virtual void generateMipmap(Image *dest, Image *source) = 0; |
| virtual TextureStorage *createTextureStorage2D(SwapChain *swapChain) = 0; |
| virtual TextureStorage *createTextureStorage2D(int levels, GLenum internalformat, GLenum usage, bool forceRenderable, GLsizei width, GLsizei height) = 0; |
| virtual TextureStorage *createTextureStorageCube(int levels, GLenum internalformat, GLenum usage, bool forceRenderable, int size) = 0; |
| |
| // Buffer creation |
| virtual VertexBuffer *createVertexBuffer() = 0; |
| virtual IndexBuffer *createIndexBuffer() = 0; |
| |
| protected: |
| bool initializeCompiler(); |
| ID3DBlob *compileToBinary(gl::InfoLog &infoLog, const char *hlsl, const char *profile, bool alternateFlags); |
| |
| egl::Display *mDisplay; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Renderer); |
| |
| HMODULE mD3dCompilerModule; |
| pD3DCompile mD3DCompileFunc; |
| }; |
| |
| } |
| #endif // LIBGLESV2_RENDERER_RENDERER_H_ |