45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_GLMANAGER_H
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#define MOZILLA_GFX_GLMANAGER_H
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#include "mozilla/gfx/Types.h" // for SurfaceFormat
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#include "OGLShaderProgram.h"
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namespace mozilla {
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namespace gl {
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class GLContext;
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} // namespace gl
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namespace layers {
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class LayerManagerComposite;
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/**
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* Minimal interface to allow widgets to draw using OpenGL. Abstracts
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* CompositorOGL. Call CreateGLManager with a LayerManagerComposite
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* backed by a CompositorOGL.
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*/
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class GLManager
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{
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public:
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static GLManager* CreateGLManager(LayerManagerComposite* aManager);
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virtual ~GLManager() {}
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virtual gl::GLContext* gl() const = 0;
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virtual ShaderProgramOGL* GetProgram(GLenum aTarget, gfx::SurfaceFormat aFormat) = 0;
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virtual void ActivateProgram(ShaderProgramOGL* aPrg) = 0;
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virtual const gfx::Matrix4x4& GetProjMatrix() const = 0;
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virtual void BindAndDrawQuad(ShaderProgramOGL *aProg, const gfx::Rect& aLayerRect,
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const gfx::Rect& aTextureRect) = 0;
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};
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} // namespace layers
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} // namespace mozilla
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#endif
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