1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/angle/src/libGLESv2/renderer/Renderer.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,244 @@
1.4 +//
1.5 +// Copyright (c) 2012-2013 The ANGLE Project Authors. All rights reserved.
1.6 +// Use of this source code is governed by a BSD-style license that can be
1.7 +// found in the LICENSE file.
1.8 +//
1.9 +
1.10 +// Renderer.h: Defines a back-end specific class that hides the details of the
1.11 +// implementation-specific renderer.
1.12 +
1.13 +#ifndef LIBGLESV2_RENDERER_RENDERER_H_
1.14 +#define LIBGLESV2_RENDERER_RENDERER_H_
1.15 +
1.16 +#include "libGLESv2/Uniform.h"
1.17 +#include "libGLESv2/angletypes.h"
1.18 +
1.19 +#if !defined(ANGLE_COMPILE_OPTIMIZATION_LEVEL)
1.20 +#define ANGLE_COMPILE_OPTIMIZATION_LEVEL D3DCOMPILE_OPTIMIZATION_LEVEL3
1.21 +#endif
1.22 +
1.23 +const int versionWindowsVista = MAKEWORD(0x00, 0x06);
1.24 +const int versionWindows7 = MAKEWORD(0x01, 0x06);
1.25 +
1.26 +// Return the version of the operating system in a format suitable for ordering
1.27 +// comparison.
1.28 +inline int getComparableOSVersion()
1.29 +{
1.30 + DWORD version = GetVersion();
1.31 + int majorVersion = LOBYTE(LOWORD(version));
1.32 + int minorVersion = HIBYTE(LOWORD(version));
1.33 + return MAKEWORD(minorVersion, majorVersion);
1.34 +}
1.35 +
1.36 +namespace egl
1.37 +{
1.38 +class Display;
1.39 +}
1.40 +
1.41 +namespace gl
1.42 +{
1.43 +class InfoLog;
1.44 +class ProgramBinary;
1.45 +class VertexAttribute;
1.46 +class Buffer;
1.47 +class Texture;
1.48 +class Framebuffer;
1.49 +}
1.50 +
1.51 +namespace rx
1.52 +{
1.53 +class TextureStorageInterface2D;
1.54 +class TextureStorageInterfaceCube;
1.55 +class VertexBuffer;
1.56 +class IndexBuffer;
1.57 +class QueryImpl;
1.58 +class FenceImpl;
1.59 +class BufferStorage;
1.60 +class Blit;
1.61 +struct TranslatedIndexData;
1.62 +class ShaderExecutable;
1.63 +class SwapChain;
1.64 +class RenderTarget;
1.65 +class Image;
1.66 +class TextureStorage;
1.67 +
1.68 +typedef void * ShaderBlob;
1.69 +typedef void (*pCompileFunc)();
1.70 +
1.71 +struct ConfigDesc
1.72 +{
1.73 + GLenum renderTargetFormat;
1.74 + GLenum depthStencilFormat;
1.75 + GLint multiSample;
1.76 + bool fastConfig;
1.77 +};
1.78 +
1.79 +struct dx_VertexConstants
1.80 +{
1.81 + float depthRange[4];
1.82 + float viewAdjust[4];
1.83 +};
1.84 +
1.85 +struct dx_PixelConstants
1.86 +{
1.87 + float depthRange[4];
1.88 + float viewCoords[4];
1.89 + float depthFront[4];
1.90 +};
1.91 +
1.92 +enum ShaderType
1.93 +{
1.94 + SHADER_VERTEX,
1.95 + SHADER_PIXEL,
1.96 + SHADER_GEOMETRY
1.97 +};
1.98 +
1.99 +class Renderer
1.100 +{
1.101 + public:
1.102 + explicit Renderer(egl::Display *display);
1.103 + virtual ~Renderer();
1.104 +
1.105 + virtual EGLint initialize() = 0;
1.106 + virtual bool resetDevice() = 0;
1.107 +
1.108 + virtual int generateConfigs(ConfigDesc **configDescList) = 0;
1.109 + virtual void deleteConfigs(ConfigDesc *configDescList) = 0;
1.110 +
1.111 + virtual void sync(bool block) = 0;
1.112 +
1.113 + virtual SwapChain *createSwapChain(HWND window, HANDLE shareHandle, GLenum backBufferFormat, GLenum depthBufferFormat) = 0;
1.114 +
1.115 + virtual void setSamplerState(gl::SamplerType type, int index, const gl::SamplerState &sampler) = 0;
1.116 + virtual void setTexture(gl::SamplerType type, int index, gl::Texture *texture) = 0;
1.117 +
1.118 + virtual void setRasterizerState(const gl::RasterizerState &rasterState) = 0;
1.119 + virtual void setBlendState(const gl::BlendState &blendState, const gl::Color &blendColor,
1.120 + unsigned int sampleMask) = 0;
1.121 + virtual void setDepthStencilState(const gl::DepthStencilState &depthStencilState, int stencilRef,
1.122 + int stencilBackRef, bool frontFaceCCW) = 0;
1.123 +
1.124 + virtual void setScissorRectangle(const gl::Rectangle &scissor, bool enabled) = 0;
1.125 + virtual bool setViewport(const gl::Rectangle &viewport, float zNear, float zFar, GLenum drawMode, GLenum frontFace,
1.126 + bool ignoreViewport) = 0;
1.127 +
1.128 + virtual bool applyRenderTarget(gl::Framebuffer *frameBuffer) = 0;
1.129 + virtual void applyShaders(gl::ProgramBinary *programBinary) = 0;
1.130 + virtual void applyUniforms(gl::ProgramBinary *programBinary, gl::UniformArray *uniformArray) = 0;
1.131 + virtual bool applyPrimitiveType(GLenum primitiveType, GLsizei elementCount) = 0;
1.132 + virtual GLenum applyVertexBuffer(gl::ProgramBinary *programBinary, gl::VertexAttribute vertexAttributes[], GLint first, GLsizei count, GLsizei instances) = 0;
1.133 + virtual GLenum applyIndexBuffer(const GLvoid *indices, gl::Buffer *elementArrayBuffer, GLsizei count, GLenum mode, GLenum type, TranslatedIndexData *indexInfo) = 0;
1.134 +
1.135 + virtual void drawArrays(GLenum mode, GLsizei count, GLsizei instances) = 0;
1.136 + virtual void drawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, gl::Buffer *elementArrayBuffer, const TranslatedIndexData &indexInfo, GLsizei instances) = 0;
1.137 +
1.138 + virtual void clear(const gl::ClearParameters &clearParams, gl::Framebuffer *frameBuffer) = 0;
1.139 +
1.140 + virtual void markAllStateDirty() = 0;
1.141 +
1.142 + // lost device
1.143 + virtual void notifyDeviceLost() = 0;
1.144 + virtual bool isDeviceLost() = 0;
1.145 + virtual bool testDeviceLost(bool notify) = 0;
1.146 + virtual bool testDeviceResettable() = 0;
1.147 +
1.148 + // Renderer capabilities
1.149 + virtual DWORD getAdapterVendor() const = 0;
1.150 + virtual std::string getRendererDescription() const = 0;
1.151 + virtual GUID getAdapterIdentifier() const = 0;
1.152 +
1.153 + virtual bool getBGRATextureSupport() const = 0;
1.154 + virtual bool getDXT1TextureSupport() = 0;
1.155 + virtual bool getDXT3TextureSupport() = 0;
1.156 + virtual bool getDXT5TextureSupport() = 0;
1.157 + virtual bool getEventQuerySupport() = 0;
1.158 + virtual bool getFloat32TextureSupport(bool *filtering, bool *renderable) = 0;
1.159 + virtual bool getFloat16TextureSupport(bool *filtering, bool *renderable) = 0;
1.160 + virtual bool getLuminanceTextureSupport() = 0;
1.161 + virtual bool getLuminanceAlphaTextureSupport() = 0;
1.162 + bool getVertexTextureSupport() const { return getMaxVertexTextureImageUnits() > 0; }
1.163 + virtual unsigned int getMaxVertexTextureImageUnits() const = 0;
1.164 + virtual unsigned int getMaxCombinedTextureImageUnits() const = 0;
1.165 + virtual unsigned int getReservedVertexUniformVectors() const = 0;
1.166 + virtual unsigned int getReservedFragmentUniformVectors() const = 0;
1.167 + virtual unsigned int getMaxVertexUniformVectors() const = 0;
1.168 + virtual unsigned int getMaxFragmentUniformVectors() const = 0;
1.169 + virtual unsigned int getMaxVaryingVectors() const = 0;
1.170 + virtual bool getNonPower2TextureSupport() const = 0;
1.171 + virtual bool getDepthTextureSupport() const = 0;
1.172 + virtual bool getOcclusionQuerySupport() const = 0;
1.173 + virtual bool getInstancingSupport() const = 0;
1.174 + virtual bool getTextureFilterAnisotropySupport() const = 0;
1.175 + virtual float getTextureMaxAnisotropy() const = 0;
1.176 + virtual bool getShareHandleSupport() const = 0;
1.177 + virtual bool getDerivativeInstructionSupport() const = 0;
1.178 + virtual bool getPostSubBufferSupport() const = 0;
1.179 +
1.180 + virtual int getMajorShaderModel() const = 0;
1.181 + virtual float getMaxPointSize() const = 0;
1.182 + virtual int getMaxViewportDimension() const = 0;
1.183 + virtual int getMaxTextureWidth() const = 0;
1.184 + virtual int getMaxTextureHeight() const = 0;
1.185 + virtual bool get32BitIndexSupport() const = 0;
1.186 + virtual int getMinSwapInterval() const = 0;
1.187 + virtual int getMaxSwapInterval() const = 0;
1.188 +
1.189 + virtual GLsizei getMaxSupportedSamples() const = 0;
1.190 +
1.191 + virtual unsigned int getMaxRenderTargets() const = 0;
1.192 +
1.193 + // Pixel operations
1.194 + virtual bool copyToRenderTarget(TextureStorageInterface2D *dest, TextureStorageInterface2D *source) = 0;
1.195 + virtual bool copyToRenderTarget(TextureStorageInterfaceCube *dest, TextureStorageInterfaceCube *source) = 0;
1.196 +
1.197 + virtual bool copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
1.198 + GLint xoffset, GLint yoffset, TextureStorageInterface2D *storage, GLint level) = 0;
1.199 + virtual bool copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
1.200 + GLint xoffset, GLint yoffset, TextureStorageInterfaceCube *storage, GLenum target, GLint level) = 0;
1.201 +
1.202 + virtual bool blitRect(gl::Framebuffer *readTarget, const gl::Rectangle &readRect, gl::Framebuffer *drawTarget, const gl::Rectangle &drawRect,
1.203 + bool blitRenderTarget, bool blitDepthStencil) = 0;
1.204 + virtual void readPixels(gl::Framebuffer *framebuffer, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type,
1.205 + GLsizei outputPitch, bool packReverseRowOrder, GLint packAlignment, void* pixels) = 0;
1.206 +
1.207 + // RenderTarget creation
1.208 + virtual RenderTarget *createRenderTarget(SwapChain *swapChain, bool depth) = 0;
1.209 + virtual RenderTarget *createRenderTarget(int width, int height, GLenum format, GLsizei samples, bool depth) = 0;
1.210 +
1.211 + // Shader operations
1.212 + virtual ShaderExecutable *loadExecutable(const void *function, size_t length, rx::ShaderType type) = 0;
1.213 + virtual ShaderExecutable *compileToExecutable(gl::InfoLog &infoLog, const char *shaderHLSL, rx::ShaderType type) = 0;
1.214 +
1.215 + // Image operations
1.216 + virtual Image *createImage() = 0;
1.217 + virtual void generateMipmap(Image *dest, Image *source) = 0;
1.218 + virtual TextureStorage *createTextureStorage2D(SwapChain *swapChain) = 0;
1.219 + virtual TextureStorage *createTextureStorage2D(int levels, GLenum internalformat, GLenum usage, bool forceRenderable, GLsizei width, GLsizei height) = 0;
1.220 + virtual TextureStorage *createTextureStorageCube(int levels, GLenum internalformat, GLenum usage, bool forceRenderable, int size) = 0;
1.221 +
1.222 + // Buffer creation
1.223 + virtual VertexBuffer *createVertexBuffer() = 0;
1.224 + virtual IndexBuffer *createIndexBuffer() = 0;
1.225 + virtual BufferStorage *createBufferStorage() = 0;
1.226 +
1.227 + // Query and Fence creation
1.228 + virtual QueryImpl *createQuery(GLenum type) = 0;
1.229 + virtual FenceImpl *createFence() = 0;
1.230 +
1.231 + virtual bool getLUID(LUID *adapterLuid) const = 0;
1.232 +
1.233 + protected:
1.234 + bool initializeCompiler();
1.235 + ShaderBlob *compileToBinary(gl::InfoLog &infoLog, const char *hlsl, const char *profile, UINT optimizationFlags, bool alternateFlags);
1.236 +
1.237 + egl::Display *mDisplay;
1.238 +
1.239 + private:
1.240 + DISALLOW_COPY_AND_ASSIGN(Renderer);
1.241 +
1.242 + HMODULE mD3dCompilerModule;
1.243 + pCompileFunc mD3DCompileFunc;
1.244 +};
1.245 +
1.246 +}
1.247 +#endif // LIBGLESV2_RENDERER_RENDERER_H_
