| // |
| // Copyright (c) 2015 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. |
| // |
| |
| // PBufferSurfaceCGL.cpp: an implementation of egl::Surface for PBuffers for the CLG backend, |
| // currently implemented using renderbuffers |
| |
| #include "libANGLE/renderer/gl/cgl/PbufferSurfaceCGL.h" |
| |
| #include "common/debug.h" |
| #include "libANGLE/renderer/gl/FunctionsGL.h" |
| #include "libANGLE/renderer/gl/FramebufferGL.h" |
| #include "libANGLE/renderer/gl/RendererGL.h" |
| #include "libANGLE/renderer/gl/StateManagerGL.h" |
| |
| namespace rx |
| { |
| |
| PbufferSurfaceCGL::PbufferSurfaceCGL(const egl::SurfaceState &state, |
| RendererGL *renderer, |
| EGLint width, |
| EGLint height, |
| const FunctionsGL *functions) |
| : SurfaceGL(state, renderer), |
| mWidth(width), |
| mHeight(height), |
| mFunctions(functions), |
| mStateManager(renderer->getStateManager()), |
| mRenderer(renderer), |
| mFramebuffer(0), |
| mColorRenderbuffer(0), |
| mDSRenderbuffer(0) |
| { |
| } |
| |
| PbufferSurfaceCGL::~PbufferSurfaceCGL() |
| { |
| if (mFramebuffer != 0) |
| { |
| mFunctions->deleteFramebuffers(1, &mFramebuffer); |
| mFramebuffer = 0; |
| } |
| |
| if (mColorRenderbuffer != 0) |
| { |
| mFunctions->deleteRenderbuffers(1, &mColorRenderbuffer); |
| mColorRenderbuffer = 0; |
| } |
| if (mDSRenderbuffer != 0) |
| { |
| mFunctions->deleteRenderbuffers(1, &mDSRenderbuffer); |
| mDSRenderbuffer = 0; |
| } |
| } |
| |
| egl::Error PbufferSurfaceCGL::initialize(const DisplayImpl *displayImpl) |
| { |
| mFunctions->genRenderbuffers(1, &mColorRenderbuffer); |
| mStateManager->bindRenderbuffer(GL_RENDERBUFFER, mColorRenderbuffer); |
| mFunctions->renderbufferStorage(GL_RENDERBUFFER, GL_RGBA8, mWidth, mHeight); |
| |
| mFunctions->genRenderbuffers(1, &mDSRenderbuffer); |
| mStateManager->bindRenderbuffer(GL_RENDERBUFFER, mDSRenderbuffer); |
| mFunctions->renderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, mWidth, mHeight); |
| |
| mFunctions->genFramebuffers(1, &mFramebuffer); |
| mStateManager->bindFramebuffer(GL_FRAMEBUFFER, mFramebuffer); |
| mFunctions->framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, |
| mColorRenderbuffer); |
| mFunctions->framebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, |
| GL_RENDERBUFFER, mDSRenderbuffer); |
| |
| return egl::Error(EGL_SUCCESS); |
| } |
| |
| egl::Error PbufferSurfaceCGL::makeCurrent() |
| { |
| return egl::Error(EGL_SUCCESS); |
| } |
| |
| egl::Error PbufferSurfaceCGL::swap(const DisplayImpl *displayImpl) |
| { |
| return egl::Error(EGL_SUCCESS); |
| } |
| |
| egl::Error PbufferSurfaceCGL::postSubBuffer(EGLint x, EGLint y, EGLint width, EGLint height) |
| { |
| return egl::Error(EGL_SUCCESS); |
| } |
| |
| egl::Error PbufferSurfaceCGL::querySurfacePointerANGLE(EGLint attribute, void **value) |
| { |
| UNIMPLEMENTED(); |
| return egl::Error(EGL_SUCCESS); |
| } |
| |
| egl::Error PbufferSurfaceCGL::bindTexImage(gl::Texture *texture, EGLint buffer) |
| { |
| UNIMPLEMENTED(); |
| return egl::Error(EGL_SUCCESS); |
| } |
| |
| egl::Error PbufferSurfaceCGL::releaseTexImage(EGLint buffer) |
| { |
| UNIMPLEMENTED(); |
| return egl::Error(EGL_SUCCESS); |
| } |
| |
| void PbufferSurfaceCGL::setSwapInterval(EGLint interval) |
| { |
| } |
| |
| EGLint PbufferSurfaceCGL::getWidth() const |
| { |
| return mWidth; |
| } |
| |
| EGLint PbufferSurfaceCGL::getHeight() const |
| { |
| return mHeight; |
| } |
| |
| EGLint PbufferSurfaceCGL::isPostSubBufferSupported() const |
| { |
| UNIMPLEMENTED(); |
| return EGL_FALSE; |
| } |
| |
| EGLint PbufferSurfaceCGL::getSwapBehavior() const |
| { |
| return EGL_BUFFER_PRESERVED; |
| } |
| |
| FramebufferImpl *PbufferSurfaceCGL::createDefaultFramebuffer(const gl::FramebufferState &state) |
| { |
| // TODO(cwallez) assert it happens only once? |
| return new FramebufferGL(mFramebuffer, state, mFunctions, mRenderer->getWorkarounds(), |
| mRenderer->getBlitter(), mStateManager); |
| } |
| |
| } // namespace rx |