Edit
kc3-lang/angle/src/libGLESv2/Context.cpp
Branch :
-
Show log
Commit
-
Author :
daniel@transgaming.com
Date : 2010-06-24 13:02:19
Hash : c6f53400
Message : Clear must ignore buffers that are not present. TRAC #12643 IDirect3DDevice9::Clear will fail if asked to clear a buffer that is not present, so we have to be careful what we pass to it. Signed-off-by: Shannon Woods Signed-off-by: Daniel Koch Author: Andrew Lewycky git-svn-id: https://angleproject.googlecode.com/svn/trunk@341 736b8ea6-26fd-11df-bfd4-992fa37f6226
- src/libGLESv2/Context.cpp
-
// // Copyright (c) 2002-2010 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. // // Context.cpp: Implements the gl::Context class, managing all GL state and performing // rendering operations. It is the GLES2 specific implementation of EGLContext. #include "libGLESv2/Context.h" #include <algorithm> #include "libEGL/Display.h" #include "libGLESv2/main.h" #include "libGLESv2/mathutil.h" #include "libGLESv2/utilities.h" #include "libGLESv2/Blit.h" #include "libGLESv2/Buffer.h" #include "libGLESv2/FrameBuffer.h" #include "libGLESv2/Program.h" #include "libGLESv2/RenderBuffer.h" #include "libGLESv2/Shader.h" #include "libGLESv2/Texture.h" #include "libGLESv2/geometry/backend.h" #include "libGLESv2/geometry/VertexDataManager.h" #include "libGLESv2/geometry/IndexDataManager.h" #include "libGLESv2/geometry/dx9.h" #undef near #undef far namespace gl { Context::Context(const egl::Config *config) : mConfig(config) { setClearColor(0.0f, 0.0f, 0.0f, 0.0f); mState.depthClearValue = 1.0f; mState.stencilClearValue = 0; mState.cullFace = false; mState.cullMode = GL_BACK; mState.frontFace = GL_CCW; mState.depthTest = false; mState.depthFunc = GL_LESS; mState.blend = false; mState.sourceBlendRGB = GL_ONE; mState.sourceBlendAlpha = GL_ONE; mState.destBlendRGB = GL_ZERO; mState.destBlendAlpha = GL_ZERO; mState.blendEquationRGB = GL_FUNC_ADD; mState.blendEquationAlpha = GL_FUNC_ADD; mState.blendColor.red = 0; mState.blendColor.green = 0; mState.blendColor.blue = 0; mState.blendColor.alpha = 0; mState.stencilTest = false; mState.stencilFunc = GL_ALWAYS; mState.stencilRef = 0; mState.stencilMask = -1; mState.stencilWritemask = -1; mState.stencilBackFunc = GL_ALWAYS; mState.stencilBackRef = 0; mState.stencilBackMask = - 1; mState.stencilBackWritemask = -1; mState.stencilFail = GL_KEEP; mState.stencilPassDepthFail = GL_KEEP; mState.stencilPassDepthPass = GL_KEEP; mState.stencilBackFail = GL_KEEP; mState.stencilBackPassDepthFail = GL_KEEP; mState.stencilBackPassDepthPass = GL_KEEP; mState.polygonOffsetFill = false; mState.polygonOffsetFactor = 0.0f; mState.polygonOffsetUnits = 0.0f; mState.sampleAlphaToCoverage = false; mState.sampleCoverage = false; mState.sampleCoverageValue = 1.0f; mState.sampleCoverageInvert = false; mState.scissorTest = false; mState.dither = true; mState.generateMipmapHint = GL_DONT_CARE; mState.lineWidth = 1.0f; mState.viewportX = 0; mState.viewportY = 0; mState.viewportWidth = config->mDisplayMode.Width; mState.viewportHeight = config->mDisplayMode.Height; mState.zNear = 0.0f; mState.zFar = 1.0f; mState.scissorX = 0; mState.scissorY = 0; mState.scissorWidth = config->mDisplayMode.Width; mState.scissorHeight = config->mDisplayMode.Height; mState.colorMaskRed = true; mState.colorMaskGreen = true; mState.colorMaskBlue = true; mState.colorMaskAlpha = true; mState.depthMask = true; // [OpenGL ES 2.0.24] section 3.7 page 83: // In the initial state, TEXTURE_2D and TEXTURE_CUBE_MAP have twodimensional // and cube map texture state vectors respectively associated with them. // In order that access to these initial textures not be lost, they are treated as texture // objects all of whose names are 0. mTexture2DZero = new Texture2D(this); mTextureCubeMapZero = new TextureCubeMap(this); mColorbufferZero = NULL; mDepthbufferZero = NULL; mStencilbufferZero = NULL; mState.activeSampler = 0; mState.arrayBuffer = 0; mState.elementArrayBuffer = 0; bindTextureCubeMap(0); bindTexture2D(0); bindFramebuffer(0); bindRenderbuffer(0); for (int type = 0; type < SAMPLER_TYPE_COUNT; type++) { for (int sampler = 0; sampler < MAX_TEXTURE_IMAGE_UNITS; sampler++) { mState.samplerTexture[type][sampler] = 0; } } for (int type = 0; type < SAMPLER_TYPE_COUNT; type++) { mIncompleteTextures[type] = NULL; } mState.currentProgram = 0; mState.packAlignment = 4; mState.unpackAlignment = 4; mBufferBackEnd = NULL; mVertexDataManager = NULL; mIndexDataManager = NULL; mBlit = NULL; mInvalidEnum = false; mInvalidValue = false; mInvalidOperation = false; mOutOfMemory = false; mInvalidFramebufferOperation = false; mHasBeenCurrent = false; mMaskedClearSavedState = NULL; markAllStateDirty(); } Context::~Context() { mState.currentProgram = 0; for (int type = 0; type < SAMPLER_TYPE_COUNT; type++) { delete mIncompleteTextures[type]; } delete mTexture2DZero; delete mTextureCubeMapZero; delete mColorbufferZero; delete mDepthbufferZero; delete mStencilbufferZero; delete mBufferBackEnd; delete mVertexDataManager; delete mIndexDataManager; delete mBlit; while (!mBufferMap.empty()) { deleteBuffer(mBufferMap.begin()->first); } while (!mProgramMap.empty()) { deleteProgram(mProgramMap.begin()->first); } while (!mShaderMap.empty()) { deleteShader(mShaderMap.begin()->first); } while (!mFramebufferMap.empty()) { deleteFramebuffer(mFramebufferMap.begin()->first); } while (!mRenderbufferMap.empty()) { deleteRenderbuffer(mRenderbufferMap.begin()->first); } while (!mTextureMap.empty()) { deleteTexture(mTextureMap.begin()->first); } if (mMaskedClearSavedState) { mMaskedClearSavedState->Release(); } } void Context::makeCurrent(egl::Display *display, egl::Surface *surface) { IDirect3DDevice9 *device = display->getDevice(); if (!mHasBeenCurrent) { mDeviceCaps = display->getDeviceCaps(); mBufferBackEnd = new Dx9BackEnd(this, device); mVertexDataManager = new VertexDataManager(this, mBufferBackEnd); mIndexDataManager = new IndexDataManager(this, mBufferBackEnd); mBlit = new Blit(this); initExtensionString(); mState.viewportX = 0; mState.viewportY = 0; mState.viewportWidth = surface->getWidth(); mState.viewportHeight = surface->getHeight(); mState.scissorX = 0; mState.scissorY = 0; mState.scissorWidth = surface->getWidth(); mState.scissorHeight = surface->getHeight(); mHasBeenCurrent = true; } // Wrap the existing Direct3D 9 resources into GL objects and assign them to the '0' names IDirect3DSurface9 *defaultRenderTarget = surface->getRenderTarget(); IDirect3DSurface9 *depthStencil = surface->getDepthStencil(); Framebuffer *framebufferZero = new Framebuffer(); Colorbuffer *colorbufferZero = new Colorbuffer(defaultRenderTarget); Depthbuffer *depthbufferZero = new Depthbuffer(depthStencil); Stencilbuffer *stencilbufferZero = new Stencilbuffer(depthStencil); setFramebufferZero(framebufferZero); setColorbufferZero(colorbufferZero); setDepthbufferZero(depthbufferZero); setStencilbufferZero(stencilbufferZero); framebufferZero->setColorbuffer(GL_RENDERBUFFER, 0); framebufferZero->setDepthbuffer(GL_RENDERBUFFER, 0); framebufferZero->setStencilbuffer(GL_RENDERBUFFER, 0); defaultRenderTarget->Release(); if (depthStencil) { depthStencil->Release(); } if (mDeviceCaps.PixelShaderVersion == D3DPS_VERSION(3, 0)) { mPsProfile = "ps_3_0"; mVsProfile = "vs_3_0"; } else // egl::Display guarantees support for at least 2.0 { mPsProfile = "ps_2_0"; mVsProfile = "vs_2_0"; } markAllStateDirty(); } // This function will set all of the state-related dirty flags, so that all state is set during next pre-draw. void Context::markAllStateDirty() { mAppliedRenderTargetSerial = 0; mAppliedDepthbufferSerial = 0; mAppliedProgram = 0; mClearStateDirty = true; mCullStateDirty = true; mDepthStateDirty = true; mMaskStateDirty = true; mBlendStateDirty = true; mStencilStateDirty = true; mPolygonOffsetStateDirty = true; mScissorStateDirty = true; mSampleStateDirty = true; mDitherStateDirty = true; } void Context::setClearColor(float red, float green, float blue, float alpha) { mState.colorClearValue.red = red; mState.colorClearValue.green = green; mState.colorClearValue.blue = blue; mState.colorClearValue.alpha = alpha; } void Context::setClearDepth(float depth) { mState.depthClearValue = depth; } void Context::setClearStencil(int stencil) { mState.stencilClearValue = stencil; } void Context::setCullFace(bool enabled) { if (mState.cullFace != enabled) { mState.cullFace = enabled; mCullStateDirty = true; } } bool Context::isCullFaceEnabled() const { return mState.cullFace; } void Context::setCullMode(GLenum mode) { if (mState.cullMode != mode) { mState.cullMode = mode; mCullStateDirty = true; } } void Context::setFrontFace(GLenum front) { if (mState.frontFace != front) { mState.frontFace = front; mFrontFaceDirty = true; } } void Context::setDepthTest(bool enabled) { if (mState.depthTest != enabled) { mState.depthTest = enabled; mDepthStateDirty = true; } } bool Context::isDepthTestEnabled() const { return mState.depthTest; } void Context::setDepthFunc(GLenum depthFunc) { if (mState.depthFunc != depthFunc) { mState.depthFunc = depthFunc; mDepthStateDirty = true; } } void Context::setDepthRange(float zNear, float zFar) { mState.zNear = zNear; mState.zFar = zFar; } void Context::setBlend(bool enabled) { if (mState.blend != enabled) { mState.blend = enabled; mBlendStateDirty = true; } } bool Context::isBlendEnabled() const { return mState.blend; } void Context::setBlendFactors(GLenum sourceRGB, GLenum destRGB, GLenum sourceAlpha, GLenum destAlpha) { if (mState.sourceBlendRGB != sourceRGB || mState.sourceBlendAlpha != sourceAlpha || mState.destBlendRGB != destRGB || mState.destBlendAlpha != destAlpha) { mState.sourceBlendRGB = sourceRGB; mState.destBlendRGB = destRGB; mState.sourceBlendAlpha = sourceAlpha; mState.destBlendAlpha = destAlpha; mBlendStateDirty = true; } } void Context::setBlendColor(float red, float green, float blue, float alpha) { if (mState.blendColor.red != red || mState.blendColor.green != green || mState.blendColor.blue != blue || mState.blendColor.alpha != alpha) { mState.blendColor.red = red; mState.blendColor.green = green; mState.blendColor.blue = blue; mState.blendColor.alpha = alpha; mBlendStateDirty = true; } } void Context::setBlendEquation(GLenum rgbEquation, GLenum alphaEquation) { if (mState.blendEquationRGB != rgbEquation || mState.blendEquationAlpha != alphaEquation) { mState.blendEquationRGB = rgbEquation; mState.blendEquationAlpha = alphaEquation; mBlendStateDirty = true; } } void Context::setStencilTest(bool enabled) { if (mState.stencilTest != enabled) { mState.stencilTest = enabled; mStencilStateDirty = true; } } bool Context::isStencilTestEnabled() const { return mState.stencilTest; } void Context::setStencilParams(GLenum stencilFunc, GLint stencilRef, GLuint stencilMask) { if (mState.stencilFunc != stencilFunc || mState.stencilRef != stencilRef || mState.stencilMask != stencilMask) { mState.stencilFunc = stencilFunc; mState.stencilRef = (stencilRef > 0) ? stencilRef : 0; mState.stencilMask = stencilMask; mStencilStateDirty = true; } } void Context::setStencilBackParams(GLenum stencilBackFunc, GLint stencilBackRef, GLuint stencilBackMask) { if (mState.stencilBackFunc != stencilBackFunc || mState.stencilBackRef != stencilBackRef || mState.stencilBackMask != stencilBackMask) { mState.stencilBackFunc = stencilBackFunc; mState.stencilBackRef = (stencilBackRef > 0) ? stencilBackRef : 0; mState.stencilBackMask = stencilBackMask; mStencilStateDirty = true; } } void Context::setStencilWritemask(GLuint stencilWritemask) { if (mState.stencilWritemask != stencilWritemask) { mState.stencilWritemask = stencilWritemask; mStencilStateDirty = true; } } void Context::setStencilBackWritemask(GLuint stencilBackWritemask) { if (mState.stencilBackWritemask != stencilBackWritemask) { mState.stencilBackWritemask = stencilBackWritemask; mStencilStateDirty = true; } } void Context::setStencilOperations(GLenum stencilFail, GLenum stencilPassDepthFail, GLenum stencilPassDepthPass) { if (mState.stencilFail != stencilFail || mState.stencilPassDepthFail != stencilPassDepthFail || mState.stencilPassDepthPass != stencilPassDepthPass) { mState.stencilFail = stencilFail; mState.stencilPassDepthFail = stencilPassDepthFail; mState.stencilPassDepthPass = stencilPassDepthPass; mStencilStateDirty = true; } } void Context::setStencilBackOperations(GLenum stencilBackFail, GLenum stencilBackPassDepthFail, GLenum stencilBackPassDepthPass) { if (mState.stencilBackFail != stencilBackFail || mState.stencilBackPassDepthFail != stencilBackPassDepthFail || mState.stencilBackPassDepthPass != stencilBackPassDepthPass) { mState.stencilBackFail = stencilBackFail; mState.stencilBackPassDepthFail = stencilBackPassDepthFail; mState.stencilBackPassDepthPass = stencilBackPassDepthPass; mStencilStateDirty = true; } } void Context::setPolygonOffsetFill(bool enabled) { if (mState.polygonOffsetFill != enabled) { mState.polygonOffsetFill = enabled; mPolygonOffsetStateDirty = true; } } bool Context::isPolygonOffsetFillEnabled() const { return mState.polygonOffsetFill; } void Context::setPolygonOffsetParams(GLfloat factor, GLfloat units) { if (mState.polygonOffsetFactor != factor || mState.polygonOffsetUnits != units) { mState.polygonOffsetFactor = factor; mState.polygonOffsetUnits = units; mPolygonOffsetStateDirty = true; } } void Context::setSampleAlphaToCoverage(bool enabled) { if (mState.sampleAlphaToCoverage != enabled) { mState.sampleAlphaToCoverage = enabled; mSampleStateDirty = true; } } bool Context::isSampleAlphaToCoverageEnabled() const { return mState.sampleAlphaToCoverage; } void Context::setSampleCoverage(bool enabled) { if (mState.sampleCoverage != enabled) { mState.sampleCoverage = enabled; mSampleStateDirty = true; } } bool Context::isSampleCoverageEnabled() const { return mState.sampleCoverage; } void Context::setSampleCoverageParams(GLclampf value, bool invert) { if (mState.sampleCoverageValue != value || mState.sampleCoverageInvert != invert) { mState.sampleCoverageValue = value; mState.sampleCoverageInvert = invert; mSampleStateDirty = true; } } void Context::setScissorTest(bool enabled) { if (mState.scissorTest != enabled) { mState.scissorTest = enabled; mScissorStateDirty = true; } } bool Context::isScissorTestEnabled() const { return mState.scissorTest; } void Context::setDither(bool enabled) { if (mState.dither != enabled) { mState.dither = enabled; mDitherStateDirty = true; } } bool Context::isDitherEnabled() const { return mState.dither; } void Context::setLineWidth(GLfloat width) { mState.lineWidth = width; } void Context::setGenerateMipmapHint(GLenum hint) { mState.generateMipmapHint = hint; } void Context::setViewportParams(GLint x, GLint y, GLsizei width, GLsizei height) { mState.viewportX = x; mState.viewportY = y; mState.viewportWidth = width; mState.viewportHeight = height; } void Context::setScissorParams(GLint x, GLint y, GLsizei width, GLsizei height) { if (mState.scissorX != x || mState.scissorY != y || mState.scissorWidth != width || mState.scissorHeight != height) { mState.scissorX = x; mState.scissorY = y; mState.scissorWidth = width; mState.scissorHeight = height; mScissorStateDirty = true; } } void Context::setColorMask(bool red, bool green, bool blue, bool alpha) { if (mState.colorMaskRed != red || mState.colorMaskGreen != green || mState.colorMaskBlue != blue || mState.colorMaskAlpha != alpha) { mState.colorMaskRed = red; mState.colorMaskGreen = green; mState.colorMaskBlue = blue; mState.colorMaskAlpha = alpha; mMaskStateDirty = true; } } void Context::setDepthMask(bool mask) { if (mState.depthMask != mask) { mState.depthMask = mask; mMaskStateDirty = true; } } void Context::setActiveSampler(int active) { mState.activeSampler = active; } GLuint Context::getFramebufferHandle() const { return mState.framebuffer; } GLuint Context::getRenderbufferHandle() const { return mState.renderbuffer; } GLuint Context::getArrayBufferHandle() const { return mState.arrayBuffer; } void Context::setVertexAttribEnabled(unsigned int attribNum, bool enabled) { mState.vertexAttribute[attribNum].mEnabled = enabled; } const AttributeState &Context::getVertexAttribState(unsigned int attribNum) { return mState.vertexAttribute[attribNum]; } void Context::setVertexAttribState(unsigned int attribNum, GLuint boundBuffer, GLint size, GLenum type, bool normalized, GLsizei stride, const void *pointer) { mState.vertexAttribute[attribNum].mBoundBuffer = boundBuffer; mState.vertexAttribute[attribNum].mSize = size; mState.vertexAttribute[attribNum].mType = type; mState.vertexAttribute[attribNum].mNormalized = normalized; mState.vertexAttribute[attribNum].mStride = stride; mState.vertexAttribute[attribNum].mPointer = pointer; } const void *Context::getVertexAttribPointer(unsigned int attribNum) const { return mState.vertexAttribute[attribNum].mPointer; } // returns entire set of attributes as a block const AttributeState *Context::getVertexAttribBlock() { return mState.vertexAttribute; } void Context::setPackAlignment(GLint alignment) { mState.packAlignment = alignment; } GLint Context::getPackAlignment() const { return mState.packAlignment; } void Context::setUnpackAlignment(GLint alignment) { mState.unpackAlignment = alignment; } GLint Context::getUnpackAlignment() const { return mState.unpackAlignment; } // Returns an unused buffer name GLuint Context::createBuffer() { unsigned int handle = 1; while (mBufferMap.find(handle) != mBufferMap.end()) { handle++; } mBufferMap[handle] = NULL; return handle; } // Returns an unused shader/program name GLuint Context::createShader(GLenum type) { unsigned int handle = 1; while (mShaderMap.find(handle) != mShaderMap.end() || mProgramMap.find(handle) != mProgramMap.end()) // Shared name space { handle++; } if (type == GL_VERTEX_SHADER) { mShaderMap[handle] = new VertexShader(this, handle); } else if (type == GL_FRAGMENT_SHADER) { mShaderMap[handle] = new FragmentShader(this, handle); } else UNREACHABLE(); return handle; } // Returns an unused program/shader name GLuint Context::createProgram() { unsigned int handle = 1; while (mProgramMap.find(handle) != mProgramMap.end() || mShaderMap.find(handle) != mShaderMap.end()) // Shared name space { handle++; } mProgramMap[handle] = new Program(); return handle; } // Returns an unused texture name GLuint Context::createTexture() { unsigned int handle = 1; while (mTextureMap.find(handle) != mTextureMap.end()) { handle++; } mTextureMap[handle] = NULL; return handle; } // Returns an unused framebuffer name GLuint Context::createFramebuffer() { unsigned int handle = 1; while (mFramebufferMap.find(handle) != mFramebufferMap.end()) { handle++; } mFramebufferMap[handle] = NULL; return handle; } // Returns an unused renderbuffer name GLuint Context::createRenderbuffer() { unsigned int handle = 1; while (mRenderbufferMap.find(handle) != mRenderbufferMap.end()) { handle++; } mRenderbufferMap[handle] = NULL; return handle; } void Context::deleteBuffer(GLuint buffer) { BufferMap::iterator bufferObject = mBufferMap.find(buffer); if (bufferObject != mBufferMap.end()) { detachBuffer(buffer); delete bufferObject->second; mBufferMap.erase(bufferObject); } } void Context::deleteShader(GLuint shader) { ShaderMap::iterator shaderObject = mShaderMap.find(shader); if (shaderObject != mShaderMap.end()) { if (!shaderObject->second->isAttached()) { delete shaderObject->second; mShaderMap.erase(shaderObject); } else { shaderObject->second->flagForDeletion(); } } } void Context::deleteProgram(GLuint program) { ProgramMap::iterator programObject = mProgramMap.find(program); if (programObject != mProgramMap.end()) { if (program != mState.currentProgram) { delete programObject->second; mProgramMap.erase(programObject); } else { programObject->second->flagForDeletion(); } } } void Context::deleteTexture(GLuint texture) { TextureMap::iterator textureObject = mTextureMap.find(texture); if (textureObject != mTextureMap.end()) { detachTexture(texture); if (texture != 0) { delete textureObject->second; } mTextureMap.erase(textureObject); } } void Context::deleteFramebuffer(GLuint framebuffer) { FramebufferMap::iterator framebufferObject = mFramebufferMap.find(framebuffer); if (framebufferObject != mFramebufferMap.end()) { detachFramebuffer(framebuffer); delete framebufferObject->second; mFramebufferMap.erase(framebufferObject); } } void Context::deleteRenderbuffer(GLuint renderbuffer) { RenderbufferMap::iterator renderbufferObject = mRenderbufferMap.find(renderbuffer); if (renderbufferObject != mRenderbufferMap.end()) { detachRenderbuffer(renderbuffer); delete renderbufferObject->second; mRenderbufferMap.erase(renderbufferObject); } } void Context::bindArrayBuffer(unsigned int buffer) { if (buffer != 0 && !getBuffer(buffer)) { mBufferMap[buffer] = new Buffer(); } mState.arrayBuffer = buffer; } void Context::bindElementArrayBuffer(unsigned int buffer) { if (buffer != 0 && !getBuffer(buffer)) { mBufferMap[buffer] = new Buffer(); } mState.elementArrayBuffer = buffer; } void Context::bindTexture2D(GLuint texture) { if (!getTexture(texture) && texture != 0) { mTextureMap[texture] = new Texture2D(this); } mState.texture2D = texture; mState.samplerTexture[SAMPLER_2D][mState.activeSampler] = texture; } void Context::bindTextureCubeMap(GLuint texture) { if (!getTexture(texture) && texture != 0) { mTextureMap[texture] = new TextureCubeMap(this); } mState.textureCubeMap = texture; mState.samplerTexture[SAMPLER_CUBE][mState.activeSampler] = texture; } void Context::bindFramebuffer(GLuint framebuffer) { if (!getFramebuffer(framebuffer)) { mFramebufferMap[framebuffer] = new Framebuffer(); } mState.framebuffer = framebuffer; } void Context::bindRenderbuffer(GLuint renderbuffer) { if (renderbuffer != 0 && !getRenderbuffer(renderbuffer)) { mRenderbufferMap[renderbuffer] = new Renderbuffer(); } mState.renderbuffer = renderbuffer; } void Context::useProgram(GLuint program) { Program *programObject = getCurrentProgram(); GLuint priorProgram = mState.currentProgram; mState.currentProgram = program; // Must switch before trying to delete, otherwise it only gets flagged. if (programObject && programObject->isFlaggedForDeletion()) { deleteProgram(priorProgram); } } void Context::setFramebufferZero(Framebuffer *buffer) { delete mFramebufferMap[0]; mFramebufferMap[0] = buffer; } void Context::setColorbufferZero(Colorbuffer *buffer) { delete mColorbufferZero; mColorbufferZero = buffer; } void Context::setDepthbufferZero(Depthbuffer *buffer) { delete mDepthbufferZero; mDepthbufferZero = buffer; } void Context::setStencilbufferZero(Stencilbuffer *buffer) { delete mStencilbufferZero; mStencilbufferZero = buffer; } void Context::setRenderbuffer(Renderbuffer *buffer) { delete mRenderbufferMap[mState.renderbuffer]; mRenderbufferMap[mState.renderbuffer] = buffer; } Buffer *Context::getBuffer(unsigned int handle) { BufferMap::iterator buffer = mBufferMap.find(handle); if (buffer == mBufferMap.end()) { return NULL; } else { return buffer->second; } } Shader *Context::getShader(unsigned int handle) { ShaderMap::iterator shader = mShaderMap.find(handle); if (shader == mShaderMap.end()) { return NULL; } else { return shader->second; } } Program *Context::getProgram(unsigned int handle) { ProgramMap::iterator program = mProgramMap.find(handle); if (program == mProgramMap.end()) { return NULL; } else { return program->second; } } Texture *Context::getTexture(unsigned int handle) { if (handle == 0) return NULL; TextureMap::iterator texture = mTextureMap.find(handle); if (texture == mTextureMap.end()) { return NULL; } else { return texture->second; } } Framebuffer *Context::getFramebuffer(unsigned int handle) { FramebufferMap::iterator framebuffer = mFramebufferMap.find(handle); if (framebuffer == mFramebufferMap.end()) { return NULL; } else { return framebuffer->second; } } Renderbuffer *Context::getRenderbuffer(unsigned int handle) { RenderbufferMap::iterator renderbuffer = mRenderbufferMap.find(handle); if (renderbuffer == mRenderbufferMap.end()) { return NULL; } else { return renderbuffer->second; } } Colorbuffer *Context::getColorbuffer(GLuint handle) { if (handle != 0) { Renderbuffer *renderbuffer = getRenderbuffer(handle); if (renderbuffer && renderbuffer->isColorbuffer()) { return static_cast<Colorbuffer*>(renderbuffer); } } else // Special case: 0 refers to different initial render targets based on the attachment type { return mColorbufferZero; } return NULL; } Depthbuffer *Context::getDepthbuffer(GLuint handle) { if (handle != 0) { Renderbuffer *renderbuffer = getRenderbuffer(handle); if (renderbuffer && renderbuffer->isDepthbuffer()) { return static_cast<Depthbuffer*>(renderbuffer); } } else // Special case: 0 refers to different initial render targets based on the attachment type { return mDepthbufferZero; } return NULL; } Stencilbuffer *Context::getStencilbuffer(GLuint handle) { if (handle != 0) { Renderbuffer *renderbuffer = getRenderbuffer(handle); if (renderbuffer && renderbuffer->isStencilbuffer()) { return static_cast<Stencilbuffer*>(renderbuffer); } } else { return mStencilbufferZero; } return NULL; } Buffer *Context::getArrayBuffer() { return getBuffer(mState.arrayBuffer); } Buffer *Context::getElementArrayBuffer() { return getBuffer(mState.elementArrayBuffer); } Program *Context::getCurrentProgram() { return getProgram(mState.currentProgram); } Texture2D *Context::getTexture2D() { if (mState.texture2D == 0) // Special case: 0 refers to different initial textures based on the target { return mTexture2DZero; } return (Texture2D*)getTexture(mState.texture2D); } TextureCubeMap *Context::getTextureCubeMap() { if (mState.textureCubeMap == 0) // Special case: 0 refers to different initial textures based on the target { return mTextureCubeMapZero; } return (TextureCubeMap*)getTexture(mState.textureCubeMap); } Texture *Context::getSamplerTexture(unsigned int sampler, SamplerType type) { GLuint texid = mState.samplerTexture[type][sampler]; if (texid == 0) { switch (type) { default: UNREACHABLE(); case SAMPLER_2D: return mTexture2DZero; case SAMPLER_CUBE: return mTextureCubeMapZero; } } return getTexture(texid); } Framebuffer *Context::getFramebuffer() { return getFramebuffer(mState.framebuffer); } bool Context::getBooleanv(GLenum pname, GLboolean *params) { switch (pname) { case GL_SHADER_COMPILER: *params = GL_TRUE; break; case GL_SAMPLE_COVERAGE_INVERT: *params = mState.sampleCoverageInvert; break; case GL_DEPTH_WRITEMASK: *params = mState.depthMask; break; case GL_COLOR_WRITEMASK: params[0] = mState.colorMaskRed; params[1] = mState.colorMaskGreen; params[2] = mState.colorMaskBlue; params[3] = mState.colorMaskAlpha; break; case GL_CULL_FACE: *params = mState.cullFace; case GL_POLYGON_OFFSET_FILL: *params = mState.polygonOffsetFill; case GL_SAMPLE_ALPHA_TO_COVERAGE: *params = mState.sampleAlphaToCoverage; case GL_SAMPLE_COVERAGE: *params = mState.sampleCoverage; case GL_SCISSOR_TEST: *params = mState.scissorTest; case GL_STENCIL_TEST: *params = mState.stencilTest; case GL_DEPTH_TEST: *params = mState.depthTest; case GL_BLEND: *params = mState.blend; case GL_DITHER: *params = mState.dither; default: return false; } return true; } bool Context::getFloatv(GLenum pname, GLfloat *params) { // Please note: DEPTH_CLEAR_VALUE is included in our internal getFloatv implementation // because it is stored as a float, despite the fact that the GL ES 2.0 spec names // GetIntegerv as its native query function. As it would require conversion in any // case, this should make no difference to the calling application. switch (pname) { case GL_LINE_WIDTH: *params = mState.lineWidth; break; case GL_SAMPLE_COVERAGE_VALUE: *params = mState.sampleCoverageValue; break; case GL_DEPTH_CLEAR_VALUE: *params = mState.depthClearValue; break; case GL_POLYGON_OFFSET_FACTOR: *params = mState.polygonOffsetFactor; break; case GL_POLYGON_OFFSET_UNITS: *params = mState.polygonOffsetUnits; break; case GL_ALIASED_LINE_WIDTH_RANGE: params[0] = gl::ALIASED_LINE_WIDTH_RANGE_MIN; params[1] = gl::ALIASED_LINE_WIDTH_RANGE_MAX; break; case GL_ALIASED_POINT_SIZE_RANGE: params[0] = gl::ALIASED_POINT_SIZE_RANGE_MIN; params[1] = gl::ALIASED_POINT_SIZE_RANGE_MAX; break; case GL_DEPTH_RANGE: params[0] = mState.zNear; params[1] = mState.zFar; break; case GL_COLOR_CLEAR_VALUE: params[0] = mState.colorClearValue.red; params[1] = mState.colorClearValue.green; params[2] = mState.colorClearValue.blue; params[3] = mState.colorClearValue.alpha; break; case GL_BLEND_COLOR: params[0] = mState.blendColor.red; params[1] = mState.blendColor.green; params[2] = mState.blendColor.blue; params[3] = mState.blendColor.alpha; break; default: return false; } return true; } bool Context::getIntegerv(GLenum pname, GLint *params) { // Please note: DEPTH_CLEAR_VALUE is not included in our internal getIntegerv implementation // because it is stored as a float, despite the fact that the GL ES 2.0 spec names // GetIntegerv as its native query function. As it would require conversion in any // case, this should make no difference to the calling application. You may find it in // Context::getFloatv. switch (pname) { case GL_MAX_VERTEX_ATTRIBS: *params = gl::MAX_VERTEX_ATTRIBS; break; case GL_MAX_VERTEX_UNIFORM_VECTORS: *params = gl::MAX_VERTEX_UNIFORM_VECTORS; break; case GL_MAX_VARYING_VECTORS: *params = gl::MAX_VARYING_VECTORS; break; case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS: *params = gl::MAX_COMBINED_TEXTURE_IMAGE_UNITS; break; case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS: *params = gl::MAX_VERTEX_TEXTURE_IMAGE_UNITS; break; case GL_MAX_TEXTURE_IMAGE_UNITS: *params = gl::MAX_TEXTURE_IMAGE_UNITS; break; case GL_MAX_FRAGMENT_UNIFORM_VECTORS: *params = gl::MAX_FRAGMENT_UNIFORM_VECTORS; break; case GL_MAX_RENDERBUFFER_SIZE: *params = gl::MAX_RENDERBUFFER_SIZE; break; case GL_NUM_SHADER_BINARY_FORMATS: *params = 0; break; case GL_NUM_COMPRESSED_TEXTURE_FORMATS: *params = 0; break; case GL_COMPRESSED_TEXTURE_FORMATS: /* no compressed texture formats are supported */ break; case GL_SHADER_BINARY_FORMATS: /* no shader binary formats are supported */ break; case GL_ARRAY_BUFFER_BINDING: *params = mState.arrayBuffer; break; case GL_ELEMENT_ARRAY_BUFFER_BINDING: *params = mState.elementArrayBuffer; break; case GL_FRAMEBUFFER_BINDING: *params = mState.framebuffer; break; case GL_RENDERBUFFER_BINDING: *params = mState.renderbuffer; break; case GL_CURRENT_PROGRAM: *params = mState.currentProgram; break; case GL_PACK_ALIGNMENT: *params = mState.packAlignment; break; case GL_UNPACK_ALIGNMENT: *params = mState.unpackAlignment; break; case GL_GENERATE_MIPMAP_HINT: *params = mState.generateMipmapHint; break; case GL_ACTIVE_TEXTURE: *params = (mState.activeSampler + GL_TEXTURE0); break; case GL_STENCIL_FUNC: *params = mState.stencilFunc; break; case GL_STENCIL_REF: *params = mState.stencilRef; break; case GL_STENCIL_VALUE_MASK: *params = mState.stencilMask; break; case GL_STENCIL_BACK_FUNC: *params = mState.stencilBackFunc; break; case GL_STENCIL_BACK_REF: *params = mState.stencilBackRef; break; case GL_STENCIL_BACK_VALUE_MASK: *params = mState.stencilBackMask; break; case GL_STENCIL_FAIL: *params = mState.stencilFail; break; case GL_STENCIL_PASS_DEPTH_FAIL: *params = mState.stencilPassDepthFail; break; case GL_STENCIL_PASS_DEPTH_PASS: *params = mState.stencilPassDepthPass; break; case GL_STENCIL_BACK_FAIL: *params = mState.stencilBackFail; break; case GL_STENCIL_BACK_PASS_DEPTH_FAIL: *params = mState.stencilBackPassDepthFail; break; case GL_STENCIL_BACK_PASS_DEPTH_PASS: *params = mState.stencilBackPassDepthPass; break; case GL_DEPTH_FUNC: *params = mState.depthFunc; break; case GL_BLEND_SRC_RGB: *params = mState.sourceBlendRGB; break; case GL_BLEND_SRC_ALPHA: *params = mState.sourceBlendAlpha; break; case GL_BLEND_DST_RGB: *params = mState.destBlendRGB; break; case GL_BLEND_DST_ALPHA: *params = mState.destBlendAlpha; break; case GL_BLEND_EQUATION_RGB: *params = mState.blendEquationRGB; break; case GL_BLEND_EQUATION_ALPHA: *params = mState.blendEquationAlpha; break; case GL_STENCIL_WRITEMASK: *params = mState.stencilWritemask; break; case GL_STENCIL_BACK_WRITEMASK: *params = mState.stencilBackWritemask; break; case GL_STENCIL_CLEAR_VALUE: *params = mState.stencilClearValue; break; case GL_SUBPIXEL_BITS: *params = 4; break; case GL_MAX_TEXTURE_SIZE: *params = gl::MAX_TEXTURE_SIZE; break; case GL_MAX_CUBE_MAP_TEXTURE_SIZE: *params = gl::MAX_CUBE_MAP_TEXTURE_SIZE; break; case GL_SAMPLE_BUFFERS: *params = 0; break; case GL_SAMPLES: *params = 0; break; case GL_IMPLEMENTATION_COLOR_READ_TYPE: *params = gl::IMPLEMENTATION_COLOR_READ_TYPE; break; case GL_IMPLEMENTATION_COLOR_READ_FORMAT: *params = gl::IMPLEMENTATION_COLOR_READ_FORMAT; break; case GL_MAX_VIEWPORT_DIMS: { int maxDimension = std::max((int)gl::MAX_RENDERBUFFER_SIZE, (int)gl::MAX_TEXTURE_SIZE); params[0] = maxDimension; params[1] = maxDimension; } break; case GL_VIEWPORT: params[0] = mState.viewportX; params[1] = mState.viewportY; params[2] = mState.viewportWidth; params[3] = mState.viewportHeight; break; case GL_SCISSOR_BOX: params[0] = mState.scissorX; params[1] = mState.scissorY; params[2] = mState.scissorWidth; params[3] = mState.scissorHeight; break; case GL_CULL_FACE_MODE: *params = mState.cullMode; break; case GL_FRONT_FACE: *params = mState.frontFace; break; case GL_RED_BITS: case GL_GREEN_BITS: case GL_BLUE_BITS: case GL_ALPHA_BITS: { gl::Framebuffer *framebuffer = getFramebuffer(); gl::Colorbuffer *colorbuffer = framebuffer->getColorbuffer(); if (colorbuffer) { switch (pname) { case GL_RED_BITS: *params = colorbuffer->getRedSize(); break; case GL_GREEN_BITS: *params = colorbuffer->getGreenSize(); break; case GL_BLUE_BITS: *params = colorbuffer->getBlueSize(); break; case GL_ALPHA_BITS: *params = colorbuffer->getAlphaSize(); break; } } else { *params = 0; } } break; case GL_DEPTH_BITS: { gl::Framebuffer *framebuffer = getFramebuffer(); gl::Depthbuffer *depthbuffer = framebuffer->getDepthbuffer(); if (depthbuffer) { *params = depthbuffer->getDepthSize(); } else { *params = 0; } } break; case GL_STENCIL_BITS: { gl::Framebuffer *framebuffer = getFramebuffer(); gl::Stencilbuffer *stencilbuffer = framebuffer->getStencilbuffer(); if (stencilbuffer) { *params = stencilbuffer->getStencilSize(); } else { *params = 0; } } break; case GL_TEXTURE_BINDING_2D: { if (mState.activeSampler < 0 || mState.activeSampler > gl::MAX_TEXTURE_IMAGE_UNITS - 1) { error(GL_INVALID_OPERATION); return false; } *params = mState.samplerTexture[SAMPLER_2D][mState.activeSampler]; } break; case GL_TEXTURE_BINDING_CUBE_MAP: { if (mState.activeSampler < 0 || mState.activeSampler > gl::MAX_TEXTURE_IMAGE_UNITS - 1) { error(GL_INVALID_OPERATION); return false; } *params = mState.samplerTexture[SAMPLER_CUBE][mState.activeSampler]; } break; default: return false; } return true; } bool Context::getQueryParameterInfo(GLenum pname, GLenum *type, unsigned int *numParams) { // Please note: the query type returned for DEPTH_CLEAR_VALUE in this implementation // is FLOAT rather than INT, as would be suggested by the GL ES 2.0 spec. This is due // to the fact that it is stored internally as a float, and so would require conversion // if returned from Context::getIntegerv. Since this conversion is already implemented // in the case that one calls glGetIntegerv to retrieve a float-typed state variable, we // place DEPTH_CLEAR_VALUE with the floats. This should make no difference to the calling // application. switch (pname) { case GL_COMPRESSED_TEXTURE_FORMATS: /* no compressed texture formats are supported */ case GL_SHADER_BINARY_FORMATS: { *type = GL_INT; *numParams = 0; } break; case GL_MAX_VERTEX_ATTRIBS: case GL_MAX_VERTEX_UNIFORM_VECTORS: case GL_MAX_VARYING_VECTORS: case GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS: case GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS: case GL_MAX_TEXTURE_IMAGE_UNITS: case GL_MAX_FRAGMENT_UNIFORM_VECTORS: case GL_MAX_RENDERBUFFER_SIZE: case GL_NUM_SHADER_BINARY_FORMATS: case GL_NUM_COMPRESSED_TEXTURE_FORMATS: case GL_ARRAY_BUFFER_BINDING: case GL_FRAMEBUFFER_BINDING: case GL_RENDERBUFFER_BINDING: case GL_CURRENT_PROGRAM: case GL_PACK_ALIGNMENT: case GL_UNPACK_ALIGNMENT: case GL_GENERATE_MIPMAP_HINT: case GL_RED_BITS: case GL_GREEN_BITS: case GL_BLUE_BITS: case GL_ALPHA_BITS: case GL_DEPTH_BITS: case GL_STENCIL_BITS: case GL_ELEMENT_ARRAY_BUFFER_BINDING: case GL_CULL_FACE_MODE: case GL_FRONT_FACE: case GL_ACTIVE_TEXTURE: case GL_STENCIL_FUNC: case GL_STENCIL_VALUE_MASK: case GL_STENCIL_REF: case GL_STENCIL_FAIL: case GL_STENCIL_PASS_DEPTH_FAIL: case GL_STENCIL_PASS_DEPTH_PASS: case GL_STENCIL_BACK_FUNC: case GL_STENCIL_BACK_VALUE_MASK: case GL_STENCIL_BACK_REF: case GL_STENCIL_BACK_FAIL: case GL_STENCIL_BACK_PASS_DEPTH_FAIL: case GL_STENCIL_BACK_PASS_DEPTH_PASS: case GL_DEPTH_FUNC: case GL_BLEND_SRC_RGB: case GL_BLEND_SRC_ALPHA: case GL_BLEND_DST_RGB: case GL_BLEND_DST_ALPHA: case GL_BLEND_EQUATION_RGB: case GL_BLEND_EQUATION_ALPHA: case GL_STENCIL_WRITEMASK: case GL_STENCIL_BACK_WRITEMASK: case GL_STENCIL_CLEAR_VALUE: case GL_SUBPIXEL_BITS: case GL_MAX_TEXTURE_SIZE: case GL_MAX_CUBE_MAP_TEXTURE_SIZE: case GL_SAMPLE_BUFFERS: case GL_SAMPLES: case GL_IMPLEMENTATION_COLOR_READ_TYPE: case GL_IMPLEMENTATION_COLOR_READ_FORMAT: case GL_TEXTURE_BINDING_2D: case GL_TEXTURE_BINDING_CUBE_MAP: { *type = GL_INT; *numParams = 1; } break; case GL_MAX_VIEWPORT_DIMS: { *type = GL_INT; *numParams = 2; } break; case GL_VIEWPORT: case GL_SCISSOR_BOX: { *type = GL_INT; *numParams = 4; } break; case GL_SHADER_COMPILER: case GL_SAMPLE_COVERAGE_INVERT: case GL_DEPTH_WRITEMASK: case GL_CULL_FACE: // CULL_FACE through DITHER are natural to IsEnabled, case GL_POLYGON_OFFSET_FILL: // but can be retrieved through the Get{Type}v queries. case GL_SAMPLE_ALPHA_TO_COVERAGE: // For this purpose, they are treated here as bool-natural case GL_SAMPLE_COVERAGE: case GL_SCISSOR_TEST: case GL_STENCIL_TEST: case GL_DEPTH_TEST: case GL_BLEND: case GL_DITHER: { *type = GL_BOOL; *numParams = 1; } break; case GL_COLOR_WRITEMASK: { *type = GL_BOOL; *numParams = 4; } break; case GL_POLYGON_OFFSET_FACTOR: case GL_POLYGON_OFFSET_UNITS: case GL_SAMPLE_COVERAGE_VALUE: case GL_DEPTH_CLEAR_VALUE: case GL_LINE_WIDTH: { *type = GL_FLOAT; *numParams = 1; } break; case GL_ALIASED_LINE_WIDTH_RANGE: case GL_ALIASED_POINT_SIZE_RANGE: case GL_DEPTH_RANGE: { *type = GL_FLOAT; *numParams = 2; } break; case GL_COLOR_CLEAR_VALUE: case GL_BLEND_COLOR: { *type = GL_FLOAT; *numParams = 4; } break; default: return false; } return true; } // Applies the render target surface, depth stencil surface, viewport rectangle and // scissor rectangle to the Direct3D 9 device bool Context::applyRenderTarget(bool ignoreViewport) { IDirect3DDevice9 *device = getDevice(); Framebuffer *framebufferObject = getFramebuffer(); if (!framebufferObject || framebufferObject->completeness() != GL_FRAMEBUFFER_COMPLETE) { error(GL_INVALID_FRAMEBUFFER_OPERATION); return false; } IDirect3DSurface9 *renderTarget = framebufferObject->getRenderTarget(); IDirect3DSurface9 *depthStencil = framebufferObject->getDepthStencil(); unsigned int renderTargetSerial = framebufferObject->getRenderTargetSerial(); if (renderTargetSerial != mAppliedRenderTargetSerial) { device->SetRenderTarget(0, renderTarget); mAppliedRenderTargetSerial = renderTargetSerial; } unsigned int depthbufferSerial = framebufferObject->getDepthbufferSerial(); if (depthbufferSerial != mAppliedDepthbufferSerial) { device->SetDepthStencilSurface(depthStencil); mAppliedDepthbufferSerial = depthbufferSerial; } D3DVIEWPORT9 viewport; D3DSURFACE_DESC desc; renderTarget->GetDesc(&desc); if (ignoreViewport) { viewport.X = 0; viewport.Y = 0; viewport.Width = desc.Width; viewport.Height = desc.Height; viewport.MinZ = 0.0f; viewport.MaxZ = 1.0f; } else { viewport.X = std::max(mState.viewportX, 0); viewport.Y = std::max(mState.viewportY, 0); viewport.Width = std::min(mState.viewportWidth, (int)desc.Width - (int)viewport.X); viewport.Height = std::min(mState.viewportHeight, (int)desc.Height - (int)viewport.Y); viewport.MinZ = clamp01(mState.zNear); viewport.MaxZ = clamp01(mState.zFar); } if (viewport.Width <= 0 || viewport.Height <= 0) { return false; // Nothing to render } device->SetViewport(&viewport); if (mScissorStateDirty) { if (mState.scissorTest) { RECT rect = {mState.scissorX, mState.scissorY, mState.scissorX + mState.scissorWidth, mState.scissorY + mState.scissorHeight}; device->SetScissorRect(&rect); device->SetRenderState(D3DRS_SCISSORTESTENABLE, TRUE); } else { device->SetRenderState(D3DRS_SCISSORTESTENABLE, FALSE); } mScissorStateDirty = false; } if (mState.currentProgram) { Program *programObject = getCurrentProgram(); GLint halfPixelSize = programObject->getDxHalfPixelSizeLocation(); GLfloat xy[2] = {1.0f / viewport.Width, 1.0f / viewport.Height}; programObject->setUniform2fv(halfPixelSize, 1, (GLfloat*)&xy); GLint window = programObject->getDxWindowLocation(); GLfloat whxy[4] = {mState.viewportWidth / 2.0f, mState.viewportHeight / 2.0f, (float)mState.viewportX + mState.viewportWidth / 2.0f, (float)mState.viewportY + mState.viewportHeight / 2.0f}; programObject->setUniform4fv(window, 1, (GLfloat*)&whxy); GLint depth = programObject->getDxDepthLocation(); GLfloat dz[2] = {(mState.zFar - mState.zNear) / 2.0f, (mState.zNear + mState.zFar) / 2.0f}; programObject->setUniform2fv(depth, 1, (GLfloat*)&dz); GLint near = programObject->getDepthRangeNearLocation(); programObject->setUniform1fv(near, 1, &mState.zNear); GLint far = programObject->getDepthRangeFarLocation(); programObject->setUniform1fv(far, 1, &mState.zFar); GLint diff = programObject->getDepthRangeDiffLocation(); GLfloat zDiff = mState.zFar - mState.zNear; programObject->setUniform1fv(diff, 1, &zDiff); } return true; } // Applies the fixed-function state (culling, depth test, alpha blending, stenciling, etc) to the Direct3D 9 device void Context::applyState(GLenum drawMode) { IDirect3DDevice9 *device = getDevice(); Program *programObject = getCurrentProgram(); GLint frontCCW = programObject->getDxFrontCCWLocation(); GLint ccw = (mState.frontFace == GL_CCW); programObject->setUniform1iv(frontCCW, 1, &ccw); GLint pointsOrLines = programObject->getDxPointsOrLinesLocation(); GLint alwaysFront = !isTriangleMode(drawMode); programObject->setUniform1iv(pointsOrLines, 1, &alwaysFront); if (mCullStateDirty || mFrontFaceDirty) { if (mState.cullFace) { device->SetRenderState(D3DRS_CULLMODE, es2dx::ConvertCullMode(mState.cullMode, mState.frontFace)); } else { device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE); } mCullStateDirty = false; } if (mDepthStateDirty) { if (mState.depthTest) { device->SetRenderState(D3DRS_ZENABLE, D3DZB_TRUE); device->SetRenderState(D3DRS_ZFUNC, es2dx::ConvertComparison(mState.depthFunc)); } else { device->SetRenderState(D3DRS_ZENABLE, D3DZB_FALSE); } mDepthStateDirty = false; } if (mBlendStateDirty) { if (mState.blend) { device->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE); if (mState.sourceBlendRGB != GL_CONSTANT_ALPHA && mState.sourceBlendRGB != GL_ONE_MINUS_CONSTANT_ALPHA && mState.destBlendRGB != GL_CONSTANT_ALPHA && mState.destBlendRGB != GL_ONE_MINUS_CONSTANT_ALPHA) { device->SetRenderState(D3DRS_BLENDFACTOR, es2dx::ConvertColor(mState.blendColor)); } else { device->SetRenderState(D3DRS_BLENDFACTOR, D3DCOLOR_RGBA(unorm<8>(mState.blendColor.alpha), unorm<8>(mState.blendColor.alpha), unorm<8>(mState.blendColor.alpha), unorm<8>(mState.blendColor.alpha))); } device->SetRenderState(D3DRS_SRCBLEND, es2dx::ConvertBlendFunc(mState.sourceBlendRGB)); device->SetRenderState(D3DRS_DESTBLEND, es2dx::ConvertBlendFunc(mState.destBlendRGB)); device->SetRenderState(D3DRS_BLENDOP, es2dx::ConvertBlendOp(mState.blendEquationRGB)); if (mState.sourceBlendRGB != mState.sourceBlendAlpha || mState.destBlendRGB != mState.destBlendAlpha || mState.blendEquationRGB != mState.blendEquationAlpha) { device->SetRenderState(D3DRS_SEPARATEALPHABLENDENABLE, TRUE); device->SetRenderState(D3DRS_SRCBLENDALPHA, es2dx::ConvertBlendFunc(mState.sourceBlendAlpha)); device->SetRenderState(D3DRS_DESTBLENDALPHA, es2dx::ConvertBlendFunc(mState.destBlendAlpha)); device->SetRenderState(D3DRS_BLENDOPALPHA, es2dx::ConvertBlendOp(mState.blendEquationAlpha)); } else { device->SetRenderState(D3DRS_SEPARATEALPHABLENDENABLE, FALSE); } } else { device->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE); } mBlendStateDirty = false; } if (mStencilStateDirty || mFrontFaceDirty) { if (mState.stencilTest && hasStencil()) { device->SetRenderState(D3DRS_STENCILENABLE, TRUE); device->SetRenderState(D3DRS_TWOSIDEDSTENCILMODE, TRUE); // FIXME: Unsupported by D3D9 const D3DRENDERSTATETYPE D3DRS_CCW_STENCILREF = D3DRS_STENCILREF; const D3DRENDERSTATETYPE D3DRS_CCW_STENCILMASK = D3DRS_STENCILMASK; const D3DRENDERSTATETYPE D3DRS_CCW_STENCILWRITEMASK = D3DRS_STENCILWRITEMASK; if (mState.stencilWritemask != mState.stencilBackWritemask || mState.stencilRef != mState.stencilBackRef || mState.stencilMask != mState.stencilBackMask) { ERR("Separate front/back stencil writemasks, reference values, or stencil mask values are invalid under WebGL."); return error(GL_INVALID_OPERATION); } // get the maximum size of the stencil ref gl::Framebuffer *framebuffer = getFramebuffer(); gl::Stencilbuffer *stencilbuffer = framebuffer->getStencilbuffer(); GLuint maxStencil = (1 << stencilbuffer->getStencilSize()) - 1; device->SetRenderState(mState.frontFace == GL_CCW ? D3DRS_STENCILWRITEMASK : D3DRS_CCW_STENCILWRITEMASK, mState.stencilWritemask); device->SetRenderState(mState.frontFace == GL_CCW ? D3DRS_STENCILFUNC : D3DRS_CCW_STENCILFUNC, es2dx::ConvertComparison(mState.stencilFunc)); device->SetRenderState(mState.frontFace == GL_CCW ? D3DRS_STENCILREF : D3DRS_CCW_STENCILREF, (mState.stencilRef < (GLint)maxStencil) ? mState.stencilRef : maxStencil); device->SetRenderState(mState.frontFace == GL_CCW ? D3DRS_STENCILMASK : D3DRS_CCW_STENCILMASK, mState.stencilMask); device->SetRenderState(mState.frontFace == GL_CCW ? D3DRS_STENCILFAIL : D3DRS_CCW_STENCILFAIL, es2dx::ConvertStencilOp(mState.stencilFail)); device->SetRenderState(mState.frontFace == GL_CCW ? D3DRS_STENCILZFAIL : D3DRS_CCW_STENCILZFAIL, es2dx::ConvertStencilOp(mState.stencilPassDepthFail)); device->SetRenderState(mState.frontFace == GL_CCW ? D3DRS_STENCILPASS : D3DRS_CCW_STENCILPASS, es2dx::ConvertStencilOp(mState.stencilPassDepthPass)); device->SetRenderState(mState.frontFace == GL_CW ? D3DRS_STENCILWRITEMASK : D3DRS_CCW_STENCILWRITEMASK, mState.stencilBackWritemask); device->SetRenderState(mState.frontFace == GL_CW ? D3DRS_STENCILFUNC : D3DRS_CCW_STENCILFUNC, es2dx::ConvertComparison(mState.stencilBackFunc)); device->SetRenderState(mState.frontFace == GL_CW ? D3DRS_STENCILREF : D3DRS_CCW_STENCILREF, (mState.stencilBackRef < (GLint)maxStencil) ? mState.stencilBackRef : maxStencil); device->SetRenderState(mState.frontFace == GL_CW ? D3DRS_STENCILMASK : D3DRS_CCW_STENCILMASK, mState.stencilBackMask); device->SetRenderState(mState.frontFace == GL_CW ? D3DRS_STENCILFAIL : D3DRS_CCW_STENCILFAIL, es2dx::ConvertStencilOp(mState.stencilBackFail)); device->SetRenderState(mState.frontFace == GL_CW ? D3DRS_STENCILZFAIL : D3DRS_CCW_STENCILZFAIL, es2dx::ConvertStencilOp(mState.stencilBackPassDepthFail)); device->SetRenderState(mState.frontFace == GL_CW ? D3DRS_STENCILPASS : D3DRS_CCW_STENCILPASS, es2dx::ConvertStencilOp(mState.stencilBackPassDepthPass)); } else { device->SetRenderState(D3DRS_STENCILENABLE, FALSE); } mStencilStateDirty = false; } if (mMaskStateDirty) { device->SetRenderState(D3DRS_COLORWRITEENABLE, es2dx::ConvertColorMask(mState.colorMaskRed, mState.colorMaskGreen, mState.colorMaskBlue, mState.colorMaskAlpha)); device->SetRenderState(D3DRS_ZWRITEENABLE, mState.depthMask ? TRUE : FALSE); mMaskStateDirty = false; } if (mPolygonOffsetStateDirty) { if (mState.polygonOffsetFill) { gl::Depthbuffer *depthbuffer = getFramebuffer()->getDepthbuffer(); if (depthbuffer) { device->SetRenderState(D3DRS_SLOPESCALEDEPTHBIAS, *((DWORD*)&mState.polygonOffsetFactor)); float depthBias = ldexp(mState.polygonOffsetUnits, -(int)(depthbuffer->getDepthSize())); device->SetRenderState(D3DRS_DEPTHBIAS, *((DWORD*)&depthBias)); } } else { device->SetRenderState(D3DRS_SLOPESCALEDEPTHBIAS, 0); device->SetRenderState(D3DRS_DEPTHBIAS, 0); } mPolygonOffsetStateDirty = false; } if (mConfig->mMultiSample != 0 && mSampleStateDirty) { if (mState.sampleAlphaToCoverage) { FIXME("Sample alpha to coverage is unimplemented."); } if (mState.sampleCoverage) { FIXME("Sample coverage is unimplemented."); } mSampleStateDirty = false; } if (mDitherStateDirty) { device->SetRenderState(D3DRS_DITHERENABLE, mState.dither ? TRUE : FALSE); mDitherStateDirty = false; } mFrontFaceDirty = false; } // Fill in the semanticIndex field of the array of TranslatedAttributes based on the active GLSL program. void Context::lookupAttributeMapping(TranslatedAttribute *attributes) { for (int i = 0; i < MAX_VERTEX_ATTRIBS; i++) { if (attributes[i].enabled) { attributes[i].semanticIndex = getCurrentProgram()->getSemanticIndex(i); } } } GLenum Context::applyVertexBuffer(GLenum mode, GLint first, GLsizei count, bool *useIndexing, TranslatedIndexData *indexInfo) { TranslatedAttribute translated[MAX_VERTEX_ATTRIBS]; GLenum err = mVertexDataManager->preRenderValidate(first, count, translated); if (err != GL_NO_ERROR) { return err; } lookupAttributeMapping(translated); mBufferBackEnd->setupAttributesPreDraw(translated); for (int i = 0; i < MAX_VERTEX_ATTRIBS; i++) { if (translated[i].enabled && translated[i].nonArray) { err = mIndexDataManager->preRenderValidateUnindexed(mode, count, indexInfo); if (err != GL_NO_ERROR) { return err; } mBufferBackEnd->setupIndicesPreDraw(*indexInfo); *useIndexing = true; return GL_NO_ERROR; } } *useIndexing = false; return GL_NO_ERROR; } GLenum Context::applyVertexBuffer(const TranslatedIndexData &indexInfo) { TranslatedAttribute translated[MAX_VERTEX_ATTRIBS]; GLenum err = mVertexDataManager->preRenderValidate(indexInfo.minIndex, indexInfo.maxIndex-indexInfo.minIndex+1, translated); if (err == GL_NO_ERROR) { lookupAttributeMapping(translated); mBufferBackEnd->setupAttributesPreDraw(translated); } return err; } // Applies the indices and element array bindings to the Direct3D 9 device GLenum Context::applyIndexBuffer(const void *indices, GLsizei count, GLenum mode, GLenum type, TranslatedIndexData *indexInfo) { GLenum err = mIndexDataManager->preRenderValidate(mode, type, count, getBuffer(mState.elementArrayBuffer), indices, indexInfo); if (err == GL_NO_ERROR) { mBufferBackEnd->setupIndicesPreDraw(*indexInfo); } return err; } // Applies the shaders and shader constants to the Direct3D 9 device void Context::applyShaders() { IDirect3DDevice9 *device = getDevice(); Program *programObject = getCurrentProgram(); IDirect3DVertexShader9 *vertexShader = programObject->getVertexShader(); IDirect3DPixelShader9 *pixelShader = programObject->getPixelShader(); device->SetVertexShader(vertexShader); device->SetPixelShader(pixelShader); if (programObject->getSerial() != mAppliedProgram) { programObject->dirtyAllUniforms(); programObject->dirtyAllSamplers(); mAppliedProgram = programObject->getSerial(); } programObject->applyUniforms(); } // Applies the textures and sampler states to the Direct3D 9 device void Context::applyTextures() { IDirect3DDevice9 *device = getDevice(); Program *programObject = getCurrentProgram(); for (int sampler = 0; sampler < MAX_TEXTURE_IMAGE_UNITS; sampler++) { int textureUnit = programObject->getSamplerMapping(sampler); if (textureUnit != -1) { SamplerType textureType = programObject->getSamplerType(sampler); Texture *texture = getSamplerTexture(textureUnit, textureType); if (programObject->isSamplerDirty(sampler) || texture->isDirty()) { if (texture->isComplete()) { GLenum wrapS = texture->getWrapS(); GLenum wrapT = texture->getWrapT(); GLenum minFilter = texture->getMinFilter(); GLenum magFilter = texture->getMagFilter(); device->SetSamplerState(sampler, D3DSAMP_ADDRESSU, es2dx::ConvertTextureWrap(wrapS)); device->SetSamplerState(sampler, D3DSAMP_ADDRESSV, es2dx::ConvertTextureWrap(wrapT)); device->SetSamplerState(sampler, D3DSAMP_MAGFILTER, es2dx::ConvertMagFilter(magFilter)); D3DTEXTUREFILTERTYPE d3dMinFilter, d3dMipFilter; es2dx::ConvertMinFilter(minFilter, &d3dMinFilter, &d3dMipFilter); device->SetSamplerState(sampler, D3DSAMP_MINFILTER, d3dMinFilter); device->SetSamplerState(sampler, D3DSAMP_MIPFILTER, d3dMipFilter); device->SetTexture(sampler, texture->getTexture()); } else { device->SetTexture(sampler, getIncompleteTexture(textureType)->getTexture()); } } programObject->setSamplerDirty(sampler, false); } else { if (programObject->isSamplerDirty(sampler)) { device->SetTexture(sampler, NULL); programObject->setSamplerDirty(sampler, false); } } } } void Context::readPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, void* pixels) { Framebuffer *framebuffer = getFramebuffer(); IDirect3DSurface9 *renderTarget = framebuffer->getRenderTarget(); IDirect3DDevice9 *device = getDevice(); D3DSURFACE_DESC desc; renderTarget->GetDesc(&desc); IDirect3DSurface9 *systemSurface; HRESULT result = device->CreateOffscreenPlainSurface(desc.Width, desc.Height, desc.Format, D3DPOOL_SYSTEMMEM, &systemSurface, NULL); if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY) { return error(GL_OUT_OF_MEMORY); } ASSERT(SUCCEEDED(result)); if (desc.MultiSampleType != D3DMULTISAMPLE_NONE) { UNIMPLEMENTED(); // FIXME: Requires resolve using StretchRect into non-multisampled render target } result = device->GetRenderTargetData(renderTarget, systemSurface); if (result == D3DERR_DRIVERINTERNALERROR) { systemSurface->Release(); return error(GL_OUT_OF_MEMORY); } if (FAILED(result)) { UNREACHABLE(); systemSurface->Release(); return; // No sensible error to generate } D3DLOCKED_RECT lock; RECT rect = {std::max(x, 0), std::max(y, 0), std::min(x + width, (int)desc.Width), std::min(y + height, (int)desc.Height)}; result = systemSurface->LockRect(&lock, &rect, D3DLOCK_READONLY); if (FAILED(result)) { UNREACHABLE(); systemSurface->Release(); return; // No sensible error to generate } unsigned char *source = (unsigned char*)lock.pBits; unsigned char *dest = (unsigned char*)pixels; unsigned short *dest16 = (unsigned short*)pixels; GLsizei outputPitch = ComputePitch(width, format, type, mState.packAlignment); for (int j = 0; j < rect.bottom - rect.top; j++) { for (int i = 0; i < rect.right - rect.left; i++) { float r; float g; float b; float a; switch (desc.Format) { case D3DFMT_R5G6B5: { unsigned short rgb = *(unsigned short*)(source + 2 * i + j * lock.Pitch); a = 1.0f; b = (rgb & 0x001F) * (1.0f / 0x001F); g = (rgb & 0x07E0) * (1.0f / 0x07E0); r = (rgb & 0xF800) * (1.0f / 0xF800); } break; case D3DFMT_X1R5G5B5: { unsigned short xrgb = *(unsigned short*)(source + 2 * i + j * lock.Pitch); a = 1.0f; b = (xrgb & 0x001F) * (1.0f / 0x001F); g = (xrgb & 0x03E0) * (1.0f / 0x03E0); r = (xrgb & 0x7C00) * (1.0f / 0x7C00); } break; case D3DFMT_A1R5G5B5: { unsigned short argb = *(unsigned short*)(source + 2 * i + j * lock.Pitch); a = (argb & 0x8000) ? 1.0f : 0.0f; b = (argb & 0x001F) * (1.0f / 0x001F); g = (argb & 0x03E0) * (1.0f / 0x03E0); r = (argb & 0x7C00) * (1.0f / 0x7C00); } break; case D3DFMT_A8R8G8B8: { unsigned int argb = *(unsigned int*)(source + 4 * i + j * lock.Pitch); a = (argb & 0xFF000000) * (1.0f / 0xFF000000); b = (argb & 0x000000FF) * (1.0f / 0x000000FF); g = (argb & 0x0000FF00) * (1.0f / 0x0000FF00); r = (argb & 0x00FF0000) * (1.0f / 0x00FF0000); } break; case D3DFMT_X8R8G8B8: { unsigned int xrgb = *(unsigned int*)(source + 4 * i + j * lock.Pitch); a = 1.0f; b = (xrgb & 0x000000FF) * (1.0f / 0x000000FF); g = (xrgb & 0x0000FF00) * (1.0f / 0x0000FF00); r = (xrgb & 0x00FF0000) * (1.0f / 0x00FF0000); } break; case D3DFMT_A2R10G10B10: { unsigned int argb = *(unsigned int*)(source + 4 * i + j * lock.Pitch); a = (argb & 0xC0000000) * (1.0f / 0xC0000000); b = (argb & 0x000003FF) * (1.0f / 0x000003FF); g = (argb & 0x000FFC00) * (1.0f / 0x000FFC00); r = (argb & 0x3FF00000) * (1.0f / 0x3FF00000); } break; default: UNIMPLEMENTED(); // FIXME UNREACHABLE(); } switch (format) { case GL_RGBA: switch (type) { case GL_UNSIGNED_BYTE: dest[4 * i + j * outputPitch + 0] = (unsigned char)(255 * r + 0.5f); dest[4 * i + j * outputPitch + 1] = (unsigned char)(255 * g + 0.5f); dest[4 * i + j * outputPitch + 2] = (unsigned char)(255 * b + 0.5f); dest[4 * i + j * outputPitch + 3] = (unsigned char)(255 * a + 0.5f); break; default: UNREACHABLE(); } break; case GL_RGB: // IMPLEMENTATION_COLOR_READ_FORMAT switch (type) { case GL_UNSIGNED_SHORT_5_6_5: // IMPLEMENTATION_COLOR_READ_TYPE dest16[i + j * outputPitch / sizeof(unsigned short)] = ((unsigned short)(31 * b + 0.5f) << 0) | ((unsigned short)(63 * g + 0.5f) << 5) | ((unsigned short)(31 * r + 0.5f) << 11); break; default: UNREACHABLE(); } break; default: UNREACHABLE(); } } } systemSurface->UnlockRect(); systemSurface->Release(); } void Context::clear(GLbitfield mask) { Framebuffer *framebufferObject = getFramebuffer(); if (!framebufferObject || framebufferObject->completeness() != GL_FRAMEBUFFER_COMPLETE) { error(GL_INVALID_FRAMEBUFFER_OPERATION); return; } egl::Display *display = getDisplay(); IDirect3DDevice9 *device = getDevice(); DWORD flags = 0; if (mask & GL_COLOR_BUFFER_BIT) { mask &= ~GL_COLOR_BUFFER_BIT; if (framebufferObject->getColorbufferType() != GL_NONE) { flags |= D3DCLEAR_TARGET; } } if (mask & GL_DEPTH_BUFFER_BIT) { mask &= ~GL_DEPTH_BUFFER_BIT; if (mState.depthMask && framebufferObject->getDepthbufferType() != GL_NONE) { flags |= D3DCLEAR_ZBUFFER; } } IDirect3DSurface9 *depthStencil = framebufferObject->getDepthStencil(); GLuint stencilUnmasked = 0x0; if ((mask & GL_STENCIL_BUFFER_BIT) && depthStencil) { D3DSURFACE_DESC desc; depthStencil->GetDesc(&desc); mask &= ~GL_STENCIL_BUFFER_BIT; unsigned int stencilSize = es2dx::GetStencilSize(desc.Format); stencilUnmasked = (0x1 << stencilSize) - 1; if (stencilUnmasked != 0x0) { flags |= D3DCLEAR_STENCIL; } } if (mask != 0) { return error(GL_INVALID_VALUE); } if (!applyRenderTarget(true)) // Clips the clear to the scissor rectangle but not the viewport { return; } D3DCOLOR color = D3DCOLOR_ARGB(unorm<8>(mState.colorClearValue.alpha), unorm<8>(mState.colorClearValue.red), unorm<8>(mState.colorClearValue.green), unorm<8>(mState.colorClearValue.blue)); float depth = clamp01(mState.depthClearValue); int stencil = mState.stencilClearValue & 0x000000FF; IDirect3DSurface9 *renderTarget = framebufferObject->getRenderTarget(); D3DSURFACE_DESC desc; renderTarget->GetDesc(&desc); bool alphaUnmasked = (es2dx::GetAlphaSize(desc.Format) == 0) || mState.colorMaskAlpha; const bool needMaskedStencilClear = (flags & D3DCLEAR_STENCIL) && (mState.stencilWritemask & stencilUnmasked) != stencilUnmasked; const bool needMaskedColorClear = (flags & D3DCLEAR_TARGET) && !(mState.colorMaskRed && mState.colorMaskGreen && mState.colorMaskBlue && alphaUnmasked); if (needMaskedColorClear || needMaskedStencilClear) { // State which is altered in all paths from this point to the clear call is saved. // State which is altered in only some paths will be flagged dirty in the case that // that path is taken. HRESULT hr; if (mMaskedClearSavedState == NULL) { hr = device->BeginStateBlock(); ASSERT(SUCCEEDED(hr) || hr == D3DERR_OUTOFVIDEOMEMORY || hr == E_OUTOFMEMORY); device->SetRenderState(D3DRS_ZWRITEENABLE, FALSE); device->SetRenderState(D3DRS_ZFUNC, D3DCMP_ALWAYS); device->SetRenderState(D3DRS_ZENABLE, FALSE); device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE); device->SetRenderState(D3DRS_FILLMODE, D3DFILL_SOLID); device->SetRenderState(D3DRS_ALPHATESTENABLE, FALSE); device->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE); device->SetRenderState(D3DRS_CLIPPLANEENABLE, 0); device->SetRenderState(D3DRS_COLORWRITEENABLE, 0); device->SetRenderState(D3DRS_STENCILENABLE, FALSE); device->SetPixelShader(NULL); device->SetVertexShader(NULL); device->SetFVF(D3DFVF_XYZRHW | D3DFVF_DIFFUSE); device->SetStreamSourceFreq(0, 1); hr = device->EndStateBlock(&mMaskedClearSavedState); ASSERT(SUCCEEDED(hr) || hr == D3DERR_OUTOFVIDEOMEMORY || hr == E_OUTOFMEMORY); } ASSERT(mMaskedClearSavedState != NULL); if (mMaskedClearSavedState != NULL) { hr = mMaskedClearSavedState->Capture(); ASSERT(SUCCEEDED(hr)); } device->SetRenderState(D3DRS_ZWRITEENABLE, FALSE); device->SetRenderState(D3DRS_ZFUNC, D3DCMP_ALWAYS); device->SetRenderState(D3DRS_ZENABLE, FALSE); device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE); device->SetRenderState(D3DRS_FILLMODE, D3DFILL_SOLID); device->SetRenderState(D3DRS_ALPHATESTENABLE, FALSE); device->SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE); device->SetRenderState(D3DRS_CLIPPLANEENABLE, 0); if (flags & D3DCLEAR_TARGET) { device->SetRenderState(D3DRS_COLORWRITEENABLE, (mState.colorMaskRed ? D3DCOLORWRITEENABLE_RED : 0) | (mState.colorMaskGreen ? D3DCOLORWRITEENABLE_GREEN : 0) | (mState.colorMaskBlue ? D3DCOLORWRITEENABLE_BLUE : 0) | (mState.colorMaskAlpha ? D3DCOLORWRITEENABLE_ALPHA : 0)); } else { device->SetRenderState(D3DRS_COLORWRITEENABLE, 0); } if (stencilUnmasked != 0x0 && (flags & D3DCLEAR_STENCIL)) { device->SetRenderState(D3DRS_STENCILENABLE, TRUE); device->SetRenderState(D3DRS_TWOSIDEDSTENCILMODE, FALSE); device->SetRenderState(D3DRS_STENCILFUNC, D3DCMP_ALWAYS); device->SetRenderState(D3DRS_STENCILREF, stencil); device->SetRenderState(D3DRS_STENCILWRITEMASK, mState.stencilWritemask); device->SetRenderState(D3DRS_STENCILFAIL, D3DSTENCILOP_REPLACE); device->SetRenderState(D3DRS_STENCILZFAIL, D3DSTENCILOP_REPLACE); device->SetRenderState(D3DRS_STENCILPASS, D3DSTENCILOP_REPLACE); mStencilStateDirty = true; } else { device->SetRenderState(D3DRS_STENCILENABLE, FALSE); } device->SetPixelShader(NULL); device->SetVertexShader(NULL); device->SetFVF(D3DFVF_XYZRHW | D3DFVF_DIFFUSE); device->SetStreamSourceFreq(0, 1); struct Vertex { float x, y, z, w; D3DCOLOR diffuse; }; Vertex quad[4]; quad[0].x = 0.0f; quad[0].y = (float)desc.Height; quad[0].z = 0.0f; quad[0].w = 1.0f; quad[0].diffuse = color; quad[1].x = (float)desc.Width; quad[1].y = (float)desc.Height; quad[1].z = 0.0f; quad[1].w = 1.0f; quad[1].diffuse = color; quad[2].x = 0.0f; quad[2].y = 0.0f; quad[2].z = 0.0f; quad[2].w = 1.0f; quad[2].diffuse = color; quad[3].x = (float)desc.Width; quad[3].y = 0.0f; quad[3].z = 0.0f; quad[3].w = 1.0f; quad[3].diffuse = color; display->startScene(); device->DrawPrimitiveUP(D3DPT_TRIANGLESTRIP, 2, quad, sizeof(Vertex)); if (flags & D3DCLEAR_ZBUFFER) { device->SetRenderState(D3DRS_ZENABLE, TRUE); device->SetRenderState(D3DRS_ZWRITEENABLE, TRUE); device->Clear(0, NULL, D3DCLEAR_ZBUFFER, color, depth, stencil); } if (mMaskedClearSavedState != NULL) { mMaskedClearSavedState->Apply(); } } else if (flags) { device->Clear(0, NULL, flags, color, depth, stencil); } } void Context::drawArrays(GLenum mode, GLint first, GLsizei count) { if (!mState.currentProgram) { return error(GL_INVALID_OPERATION); } egl::Display *display = getDisplay(); IDirect3DDevice9 *device = getDevice(); D3DPRIMITIVETYPE primitiveType; int primitiveCount; if(!es2dx::ConvertPrimitiveType(mode, count, &primitiveType, &primitiveCount)) return error(GL_INVALID_ENUM); if (primitiveCount <= 0) { return; } if (!applyRenderTarget(false)) { return; } applyState(mode); TranslatedIndexData indexInfo; bool useIndexing; GLenum err = applyVertexBuffer(mode, first, count, &useIndexing, &indexInfo); if (err != GL_NO_ERROR) { return error(err); } applyShaders(); applyTextures(); if (!getCurrentProgram()->validateSamplers()) { return error(GL_INVALID_OPERATION); } if (!cullSkipsDraw(mode)) { display->startScene(); if (useIndexing) { device->DrawIndexedPrimitive(primitiveType, -(INT)indexInfo.minIndex, indexInfo.minIndex, indexInfo.maxIndex-indexInfo.minIndex+1, indexInfo.offset/indexInfo.indexSize, primitiveCount); } else { device->DrawPrimitive(primitiveType, 0, primitiveCount); } } } void Context::drawElements(GLenum mode, GLsizei count, GLenum type, const void* indices) { if (!mState.currentProgram) { return error(GL_INVALID_OPERATION); } if (!indices && !mState.elementArrayBuffer) { return error(GL_INVALID_OPERATION); } egl::Display *display = getDisplay(); IDirect3DDevice9 *device = getDevice(); D3DPRIMITIVETYPE primitiveType; int primitiveCount; if(!es2dx::ConvertPrimitiveType(mode, count, &primitiveType, &primitiveCount)) return error(GL_INVALID_ENUM); if (primitiveCount <= 0) { return; } if (!applyRenderTarget(false)) { return; } applyState(mode); TranslatedIndexData indexInfo; GLenum err = applyIndexBuffer(indices, count, mode, type, &indexInfo); if (err != GL_NO_ERROR) { return error(err); } err = applyVertexBuffer(indexInfo); if (err != GL_NO_ERROR) { return error(err); } applyShaders(); applyTextures(); if (!getCurrentProgram()->validateSamplers()) { return error(GL_INVALID_OPERATION); } if (!cullSkipsDraw(mode)) { display->startScene(); device->DrawIndexedPrimitive(primitiveType, -(INT)indexInfo.minIndex, indexInfo.minIndex, indexInfo.maxIndex-indexInfo.minIndex+1, indexInfo.offset/indexInfo.indexSize, primitiveCount); } } void Context::finish() { egl::Display *display = getDisplay(); IDirect3DDevice9 *device = getDevice(); IDirect3DQuery9 *occlusionQuery = NULL; HRESULT result = device->CreateQuery(D3DQUERYTYPE_OCCLUSION, &occlusionQuery); if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY) { return error(GL_OUT_OF_MEMORY); } ASSERT(SUCCEEDED(result)); if (occlusionQuery) { IDirect3DStateBlock9 *savedState = NULL; device->CreateStateBlock(D3DSBT_ALL, &savedState); occlusionQuery->Issue(D3DISSUE_BEGIN); // Render something outside the render target device->SetStreamSourceFreq(0, 1); device->SetPixelShader(NULL); device->SetVertexShader(NULL); device->SetFVF(D3DFVF_XYZRHW); float data[4] = {-1.0f, -1.0f, -1.0f, 1.0f}; display->startScene(); device->DrawPrimitiveUP(D3DPT_POINTLIST, 1, data, sizeof(data)); occlusionQuery->Issue(D3DISSUE_END); while (occlusionQuery->GetData(NULL, 0, D3DGETDATA_FLUSH) == S_FALSE) { // Keep polling, but allow other threads to do something useful first Sleep(0); } occlusionQuery->Release(); if (savedState) { savedState->Apply(); savedState->Release(); } } } void Context::flush() { IDirect3DDevice9 *device = getDevice(); IDirect3DQuery9 *eventQuery = NULL; HRESULT result = device->CreateQuery(D3DQUERYTYPE_EVENT, &eventQuery); if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY) { return error(GL_OUT_OF_MEMORY); } ASSERT(SUCCEEDED(result)); if (eventQuery) { eventQuery->Issue(D3DISSUE_END); while (eventQuery->GetData(NULL, 0, D3DGETDATA_FLUSH) == S_FALSE) { // Keep polling, but allow other threads to do something useful first Sleep(0); } eventQuery->Release(); } } void Context::recordInvalidEnum() { mInvalidEnum = true; } void Context::recordInvalidValue() { mInvalidValue = true; } void Context::recordInvalidOperation() { mInvalidOperation = true; } void Context::recordOutOfMemory() { mOutOfMemory = true; } void Context::recordInvalidFramebufferOperation() { mInvalidFramebufferOperation = true; } // Get one of the recorded errors and clear its flag, if any. // [OpenGL ES 2.0.24] section 2.5 page 13. GLenum Context::getError() { if (mInvalidEnum) { mInvalidEnum = false; return GL_INVALID_ENUM; } if (mInvalidValue) { mInvalidValue = false; return GL_INVALID_VALUE; } if (mInvalidOperation) { mInvalidOperation = false; return GL_INVALID_OPERATION; } if (mOutOfMemory) { mOutOfMemory = false; return GL_OUT_OF_MEMORY; } if (mInvalidFramebufferOperation) { mInvalidFramebufferOperation = false; return GL_INVALID_FRAMEBUFFER_OPERATION; } return GL_NO_ERROR; } const char *Context::getPixelShaderProfile() { return mPsProfile; } const char *Context::getVertexShaderProfile() { return mVsProfile; } void Context::detachBuffer(GLuint buffer) { // [OpenGL ES 2.0.24] section 2.9 page 22: // If a buffer object is deleted while it is bound, all bindings to that object in the current context // (i.e. in the thread that called Delete-Buffers) are reset to zero. if (mState.arrayBuffer == buffer) { mState.arrayBuffer = 0; } if (mState.elementArrayBuffer == buffer) { mState.elementArrayBuffer = 0; } for (int attribute = 0; attribute < MAX_VERTEX_ATTRIBS; attribute++) { if (mState.vertexAttribute[attribute].mBoundBuffer == buffer) { mState.vertexAttribute[attribute].mBoundBuffer = 0; } } } void Context::detachTexture(GLuint texture) { // [OpenGL ES 2.0.24] section 3.8 page 84: // If a texture object is deleted, it is as if all texture units which are bound to that texture object are // rebound to texture object zero for (int type = 0; type < SAMPLER_TYPE_COUNT; type++) { for (int sampler = 0; sampler < MAX_TEXTURE_IMAGE_UNITS; sampler++) { if (mState.samplerTexture[type][sampler] == texture) { mState.samplerTexture[type][sampler] = 0; } } } // [OpenGL ES 2.0.24] section 4.4 page 112: // If a texture object is deleted while its image is attached to the currently bound framebuffer, then it is // as if FramebufferTexture2D had been called, with a texture of 0, for each attachment point to which this // image was attached in the currently bound framebuffer. Framebuffer *framebuffer = getFramebuffer(); if (framebuffer) { framebuffer->detachTexture(texture); } } void Context::detachFramebuffer(GLuint framebuffer) { // [OpenGL ES 2.0.24] section 4.4 page 107: // If a framebuffer that is currently bound to the target FRAMEBUFFER is deleted, it is as though // BindFramebuffer had been executed with the target of FRAMEBUFFER and framebuffer of zero. if (mState.framebuffer == framebuffer) { bindFramebuffer(0); } } void Context::detachRenderbuffer(GLuint renderbuffer) { // [OpenGL ES 2.0.24] section 4.4 page 109: // If a renderbuffer that is currently bound to RENDERBUFFER is deleted, it is as though BindRenderbuffer // had been executed with the target RENDERBUFFER and name of zero. if (mState.renderbuffer == renderbuffer) { bindRenderbuffer(0); } // [OpenGL ES 2.0.24] section 4.4 page 111: // If a renderbuffer object is deleted while its image is attached to the currently bound framebuffer, // then it is as if FramebufferRenderbuffer had been called, with a renderbuffer of 0, for each attachment // point to which this image was attached in the currently bound framebuffer. Framebuffer *framebuffer = getFramebuffer(); if (framebuffer) { framebuffer->detachRenderbuffer(renderbuffer); } } Texture *Context::getIncompleteTexture(SamplerType type) { Texture *t = mIncompleteTextures[type]; if (t == NULL) { static const GLubyte color[] = { 0, 0, 0, 255 }; switch (type) { default: UNREACHABLE(); // default falls through to SAMPLER_2D case SAMPLER_2D: { Texture2D *incomplete2d = new Texture2D(this); incomplete2d->setImage(0, GL_RGBA, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, 1, color); t = incomplete2d; } break; case SAMPLER_CUBE: { TextureCubeMap *incompleteCube = new TextureCubeMap(this); incompleteCube->setImagePosX(0, GL_RGBA, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, 1, color); incompleteCube->setImageNegX(0, GL_RGBA, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, 1, color); incompleteCube->setImagePosY(0, GL_RGBA, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, 1, color); incompleteCube->setImageNegY(0, GL_RGBA, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, 1, color); incompleteCube->setImagePosZ(0, GL_RGBA, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, 1, color); incompleteCube->setImageNegZ(0, GL_RGBA, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, 1, color); t = incompleteCube; } break; } mIncompleteTextures[type] = t; } return t; } bool Context::cullSkipsDraw(GLenum drawMode) { return mState.cullFace && mState.cullMode == GL_FRONT_AND_BACK && isTriangleMode(drawMode); } bool Context::isTriangleMode(GLenum drawMode) { switch (drawMode) { case GL_TRIANGLES: case GL_TRIANGLE_FAN: case GL_TRIANGLE_STRIP: return true; case GL_POINTS: case GL_LINES: case GL_LINE_LOOP: case GL_LINE_STRIP: return false; default: UNREACHABLE(); } return false; } bool Context::hasStencil() { Framebuffer *framebufferObject = getFramebuffer(); if (framebufferObject) { Stencilbuffer *stencilbufferObject = framebufferObject->getStencilbuffer(); if (stencilbufferObject) { return stencilbufferObject->getStencilSize() > 0; } } return false; } void Context::setVertexAttrib(GLuint index, const GLfloat *values) { ASSERT(index < gl::MAX_VERTEX_ATTRIBS); mState.vertexAttribute[index].mCurrentValue[0] = values[0]; mState.vertexAttribute[index].mCurrentValue[1] = values[1]; mState.vertexAttribute[index].mCurrentValue[2] = values[2]; mState.vertexAttribute[index].mCurrentValue[3] = values[3]; mVertexDataManager->dirtyCurrentValues(); } void Context::initExtensionString() { if (mBufferBackEnd->supportIntIndices()) { mExtensionString += "GL_OES_element_index_uint "; } std::string::size_type end = mExtensionString.find_last_not_of(' '); if (end != std::string::npos) { mExtensionString.resize(end+1); } } const char *Context::getExtensionString() const { return mExtensionString.c_str(); } } extern "C" { gl::Context *glCreateContext(const egl::Config *config) { return new gl::Context(config); } void glDestroyContext(gl::Context *context) { delete context; if (context == gl::getContext()) { gl::makeCurrent(NULL, NULL, NULL); } } void glMakeCurrent(gl::Context *context, egl::Display *display, egl::Surface *surface) { gl::makeCurrent(context, display, surface); } gl::Context *glGetCurrentContext() { return gl::getContext(); } }