1 files changed, 143 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/renderer/gl/cgl/PbufferSurfaceCGL.mm b/gfx/angle/src/libANGLE/renderer/gl/cgl/PbufferSurfaceCGL.mm
new file mode 100755
index 000000000..c03d3836f
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/gl/cgl/PbufferSurfaceCGL.mm
@@ -0,0 +1,143 @@
+//
+// 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()
+{
+    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()
+{
+    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);
+}
+
+}