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// Copyright (c) 2014 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.
//
// RendererD3D.h: Defines a back-end specific class for the DirectX renderer.
#ifndef LIBGLESV2_RENDERER_RENDERERD3D_H_
#define LIBGLESV2_RENDERER_RENDERERD3D_H_
#include "libGLESv2/renderer/Renderer.h"
#include "libGLESv2/Data.h"
//FIXME(jmadill): std::array is currently prohibited by Chromium style guide
#include <array>
namespace gl
{
class InfoLog;
struct LinkedVarying;
class Texture;
}
namespace rx
{
class TextureStorage;
class VertexBuffer;
class IndexBuffer;
class ShaderExecutable;
class SwapChain;
class RenderTarget;
class Image;
class TextureStorage;
class UniformStorage;
class RendererD3D : public Renderer
{
public:
explicit RendererD3D(egl::Display *display);
virtual ~RendererD3D();
static RendererD3D *makeRendererD3D(Renderer *renderer);
gl::Error drawArrays(const gl::Data &data,
GLenum mode, GLint first,
GLsizei count, GLsizei instances) override;
gl::Error drawElements(const gl::Data &data,
GLenum mode, GLsizei count, GLenum type,
const GLvoid *indices, GLsizei instances,
const RangeUI &indexRange) override;
gl::Error clear(const gl::Data &data, GLbitfield mask) override;
gl::Error clearBufferfv(const gl::Data &data, GLenum buffer, int drawbuffer, const GLfloat *values) override;
gl::Error clearBufferuiv(const gl::Data &data, GLenum buffer, int drawbuffer, const GLuint *values) override;
gl::Error clearBufferiv(const gl::Data &data, GLenum buffer, int drawbuffer, const GLint *values) override;
gl::Error clearBufferfi(const gl::Data &data, GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil) override;
gl::Error readPixels(const gl::Data &data, GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type, GLsizei *bufSize, void* pixels) override;
gl::Error blitFramebuffer(const gl::Data &data,
GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
GLbitfield mask, GLenum filter) override;
// Direct3D Specific methods
virtual SwapChain *createSwapChain(NativeWindow nativeWindow, HANDLE shareHandle, GLenum backBufferFormat, GLenum depthBufferFormat) = 0;
virtual gl::Error generateSwizzle(gl::Texture *texture) = 0;
virtual gl::Error setSamplerState(gl::SamplerType type, int index, gl::Texture *texture, const gl::SamplerState &sampler) = 0;
virtual gl::Error setTexture(gl::SamplerType type, int index, gl::Texture *texture) = 0;
virtual gl::Error setUniformBuffers(const gl::Buffer *vertexUniformBuffers[], const gl::Buffer *fragmentUniformBuffers[]) = 0;
virtual gl::Error setRasterizerState(const gl::RasterizerState &rasterState) = 0;
virtual gl::Error setBlendState(const gl::Framebuffer *framebuffer, const gl::BlendState &blendState, const gl::ColorF &blendColor,
unsigned int sampleMask) = 0;
virtual gl::Error setDepthStencilState(const gl::DepthStencilState &depthStencilState, int stencilRef,
int stencilBackRef, bool frontFaceCCW) = 0;
virtual void setScissorRectangle(const gl::Rectangle &scissor, bool enabled) = 0;
virtual void setViewport(const gl::Rectangle &viewport, float zNear, float zFar, GLenum drawMode, GLenum frontFace,
bool ignoreViewport) = 0;
virtual gl::Error applyRenderTarget(const gl::Framebuffer *frameBuffer) = 0;
virtual gl::Error applyShaders(gl::ProgramBinary *programBinary, const gl::VertexFormat inputLayout[], const gl::Framebuffer *framebuffer,
bool rasterizerDiscard, bool transformFeedbackActive) = 0;
virtual gl::Error applyUniforms(const ProgramImpl &program, const std::vector<gl::LinkedUniform*> &uniformArray) = 0;
virtual bool applyPrimitiveType(GLenum primitiveType, GLsizei elementCount) = 0;
virtual gl::Error applyVertexBuffer(const gl::State &state, GLint first, GLsizei count, GLsizei instances) = 0;
virtual gl::Error applyIndexBuffer(const GLvoid *indices, gl::Buffer *elementArrayBuffer, GLsizei count, GLenum mode, GLenum type, TranslatedIndexData *indexInfo) = 0;
virtual void applyTransformFeedbackBuffers(const gl::State& state) = 0;
virtual void markAllStateDirty() = 0;
virtual unsigned int getReservedVertexUniformVectors() const = 0;
virtual unsigned int getReservedFragmentUniformVectors() const = 0;
virtual unsigned int getReservedVertexUniformBuffers() const = 0;
virtual unsigned int getReservedFragmentUniformBuffers() const = 0;
virtual bool getShareHandleSupport() const = 0;
virtual bool getPostSubBufferSupport() const = 0;
// Pixel operations
virtual gl::Error copyImage2D(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
GLint xoffset, GLint yoffset, TextureStorage *storage, GLint level) = 0;
virtual gl::Error copyImageCube(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
GLint xoffset, GLint yoffset, TextureStorage *storage, GLenum target, GLint level) = 0;
virtual gl::Error copyImage3D(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
GLint xoffset, GLint yoffset, GLint zOffset, TextureStorage *storage, GLint level) = 0;
virtual gl::Error copyImage2DArray(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
GLint xoffset, GLint yoffset, GLint zOffset, TextureStorage *storage, GLint level) = 0;
virtual gl::Error readPixels(const gl::Framebuffer *framebuffer, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format,
GLenum type, GLuint outputPitch, const gl::PixelPackState &pack, uint8_t *pixels) = 0;
// RenderTarget creation
virtual gl::Error createRenderTarget(SwapChain *swapChain, bool depth, RenderTarget **outRT) = 0;
virtual gl::Error createRenderTarget(int width, int height, GLenum format, GLsizei samples, RenderTarget **outRT) = 0;
// Shader operations
virtual void releaseShaderCompiler() = 0;
virtual gl::Error loadExecutable(const void *function, size_t length, ShaderType type,
const std::vector<gl::LinkedVarying> &transformFeedbackVaryings,
bool separatedOutputBuffers, ShaderExecutable **outExecutable) = 0;
virtual gl::Error compileToExecutable(gl::InfoLog &infoLog, const std::string &shaderHLSL, ShaderType type,
const std::vector<gl::LinkedVarying> &transformFeedbackVaryings,
bool separatedOutputBuffers, D3DWorkaroundType workaround,
ShaderExecutable **outExectuable) = 0;
virtual UniformStorage *createUniformStorage(size_t storageSize) = 0;
// Image operations
virtual Image *createImage() = 0;
virtual gl::Error generateMipmap(Image *dest, Image *source) = 0;
virtual TextureStorage *createTextureStorage2D(SwapChain *swapChain) = 0;
virtual TextureStorage *createTextureStorage2D(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, int levels) = 0;
virtual TextureStorage *createTextureStorageCube(GLenum internalformat, bool renderTarget, int size, int levels) = 0;
virtual TextureStorage *createTextureStorage3D(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, GLsizei depth, int levels) = 0;
virtual TextureStorage *createTextureStorage2DArray(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, GLsizei depth, int levels) = 0;
// Buffer-to-texture and Texture-to-buffer copies
virtual bool supportsFastCopyBufferToTexture(GLenum internalFormat) const = 0;
virtual gl::Error fastCopyBufferToTexture(const gl::PixelUnpackState &unpack, unsigned int offset, RenderTarget *destRenderTarget,
GLenum destinationFormat, GLenum sourcePixelsType, const gl::Box &destArea) = 0;
virtual VertexConversionType getVertexConversionType(const gl::VertexFormat &vertexFormat) const = 0;
virtual GLenum getVertexComponentType(const gl::VertexFormat &vertexFormat) const = 0;
virtual VertexBuffer *createVertexBuffer() = 0;
virtual IndexBuffer *createIndexBuffer() = 0;
protected:
virtual gl::Error drawArrays(GLenum mode, GLsizei count, GLsizei instances, bool transformFeedbackActive) = 0;
virtual gl::Error drawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices,
gl::Buffer *elementArrayBuffer, const TranslatedIndexData &indexInfo, GLsizei instances) = 0;
virtual gl::Error clear(const gl::ClearParameters &clearParams, const gl::Framebuffer *frameBuffer) = 0;
virtual gl::Error blitRect(const gl::Framebuffer *readTarget, const gl::Rectangle &readRect,
const gl::Framebuffer *drawTarget, const gl::Rectangle &drawRect,
const gl::Rectangle *scissor, bool blitRenderTarget,
bool blitDepth, bool blitStencil, GLenum filter) = 0;
egl::Display *mDisplay;
private:
DISALLOW_COPY_AND_ASSIGN(RendererD3D);
//FIXME(jmadill): std::array is currently prohibited by Chromium style guide
typedef std::array<unsigned int, gl::IMPLEMENTATION_MAX_FRAMEBUFFER_ATTACHMENTS> FramebufferTextureSerialArray;
gl::Error generateSwizzles(const gl::Data &data, gl::SamplerType type);
gl::Error generateSwizzles(const gl::Data &data);
gl::Error applyRenderTarget(const gl::Data &data, GLenum drawMode, bool ignoreViewport);
gl::Error applyState(const gl::Data &data, GLenum drawMode);
bool applyTransformFeedbackBuffers(const gl::Data &data);
gl::Error applyShaders(const gl::Data &data, bool transformFeedbackActive);
gl::Error applyTextures(const gl::Data &data, gl::SamplerType shaderType,
const FramebufferTextureSerialArray &framebufferSerials, size_t framebufferSerialCount);
gl::Error applyTextures(const gl::Data &data);
gl::Error applyUniformBuffers(const gl::Data &data);
bool skipDraw(const gl::Data &data, GLenum drawMode);
void markTransformFeedbackUsage(const gl::Data &data);
size_t getBoundFramebufferTextureSerials(const gl::Data &data,
FramebufferTextureSerialArray *outSerialArray);
gl::Texture *getIncompleteTexture(GLenum type);
gl::TextureMap mIncompleteTextures;
};
}
#endif // LIBGLESV2_RENDERER_RENDERERD3D_H_
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