1 files changed, 113 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/renderer/gl/FramebufferGL.h b/gfx/angle/src/libANGLE/renderer/gl/FramebufferGL.h
new file mode 100755
index 000000000..a8bcb894c
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/gl/FramebufferGL.h
@@ -0,0 +1,113 @@
+//
+// Copyright 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.
+//
+
+// FramebufferGL.h: Defines the class interface for FramebufferGL.
+
+#ifndef LIBANGLE_RENDERER_GL_FRAMEBUFFERGL_H_
+#define LIBANGLE_RENDERER_GL_FRAMEBUFFERGL_H_
+
+#include "libANGLE/renderer/FramebufferImpl.h"
+
+namespace rx
+{
+
+class BlitGL;
+class FunctionsGL;
+class StateManagerGL;
+struct WorkaroundsGL;
+
+class FramebufferGL : public FramebufferImpl
+{
+  public:
+    FramebufferGL(const gl::FramebufferState &data,
+                  const FunctionsGL *functions,
+                  StateManagerGL *stateManager,
+                  const WorkaroundsGL &workarounds,
+                  BlitGL *blitter,
+                  bool isDefault);
+    // Constructor called when we need to create a FramebufferGL from an
+    // existing framebuffer name, for example for the default framebuffer
+    // on the Mac EGL CGL backend.
+    FramebufferGL(GLuint id,
+                  const gl::FramebufferState &data,
+                  const FunctionsGL *functions,
+                  const WorkaroundsGL &workarounds,
+                  BlitGL *blitter,
+                  StateManagerGL *stateManager);
+    ~FramebufferGL() override;
+
+    gl::Error discard(size_t count, const GLenum *attachments) override;
+    gl::Error invalidate(size_t count, const GLenum *attachments) override;
+    gl::Error invalidateSub(size_t count, const GLenum *attachments, const gl::Rectangle &area) override;
+
+    gl::Error clear(ContextImpl *context, GLbitfield mask) override;
+    gl::Error clearBufferfv(ContextImpl *context,
+                            GLenum buffer,
+                            GLint drawbuffer,
+                            const GLfloat *values) override;
+    gl::Error clearBufferuiv(ContextImpl *context,
+                             GLenum buffer,
+                             GLint drawbuffer,
+                             const GLuint *values) override;
+    gl::Error clearBufferiv(ContextImpl *context,
+                            GLenum buffer,
+                            GLint drawbuffer,
+                            const GLint *values) override;
+    gl::Error clearBufferfi(ContextImpl *context,
+                            GLenum buffer,
+                            GLint drawbuffer,
+                            GLfloat depth,
+                            GLint stencil) override;
+
+    GLenum getImplementationColorReadFormat() const override;
+    GLenum getImplementationColorReadType() const override;
+    gl::Error readPixels(ContextImpl *context,
+                         const gl::Rectangle &area,
+                         GLenum format,
+                         GLenum type,
+                         GLvoid *pixels) const override;
+
+    gl::Error blit(ContextImpl *context,
+                   const gl::Rectangle &sourceArea,
+                   const gl::Rectangle &destArea,
+                   GLbitfield mask,
+                   GLenum filter) override;
+
+    bool checkStatus() const override;
+
+    void syncState(const gl::Framebuffer::DirtyBits &dirtyBits) override;
+
+    GLuint getFramebufferID() const;
+    bool isDefault() const;
+
+  private:
+    void syncClearState(GLbitfield mask);
+    void syncClearBufferState(GLenum buffer, GLint drawBuffer);
+
+    gl::Error readPixelsRowByRowWorkaround(const gl::Rectangle &area,
+                                           GLenum format,
+                                           GLenum type,
+                                           const gl::PixelPackState &pack,
+                                           GLvoid *pixels) const;
+
+    gl::Error readPixelsPaddingWorkaround(const gl::Rectangle &area,
+                                          GLenum format,
+                                          GLenum type,
+                                          const gl::PixelPackState &pack,
+                                          GLvoid *pixels) const;
+
+    const FunctionsGL *mFunctions;
+    StateManagerGL *mStateManager;
+    const WorkaroundsGL &mWorkarounds;
+    BlitGL *mBlitter;
+
+    GLuint mFramebufferID;
+    bool mIsDefault;
+};
+
+}
+
+#endif // LIBANGLE_RENDERER_GL_FRAMEBUFFERGL_H_