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// Copyright 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef GeometryBinding_h
#define GeometryBinding_h
#include "FloatRect.h"
namespace WebKit {
class WebGraphicsContext3D;
}
namespace cc {
class GeometryBinding {
public:
GeometryBinding(WebKit::WebGraphicsContext3D*, const FloatRect& quadVertexRect);
~GeometryBinding();
bool initialized() const { return m_initialized; }
WebKit::WebGraphicsContext3D* context() const { return m_context; }
unsigned quadVerticesVbo() const { return m_quadVerticesVbo; }
unsigned quadElementsVbo() const { return m_quadElementsVbo; }
void prepareForDraw();
// All layer shaders share the same attribute locations for the vertex
// positions and texture coordinates. This allows switching shaders without
// rebinding attribute arrays.
static int positionAttribLocation() { return 0; }
static int texCoordAttribLocation() { return 1; }
private:
WebKit::WebGraphicsContext3D* m_context;
unsigned m_quadVerticesVbo;
unsigned m_quadElementsVbo;
bool m_initialized;
};
} // namespace cc
#endif
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