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/*
* Copyright 2012, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef DrawQuadData_h
#define DrawQuadData_h
#if USE(ACCELERATED_COMPOSITING)
#include "Color.h"
#include "FloatRect.h"
#include "SkRect.h"
#include <GLES2/gl2.h>
namespace WebCore {
class TransformationMatrix;
enum DrawQuadType {
BaseQuad,
LayerQuad,
Blit // 1:1 straight pixel blit
};
// Both PureColorQuadData and TextureQuadData share the data from DrawQuadData.
class DrawQuadData {
public:
DrawQuadData(DrawQuadType type = BaseQuad,
const TransformationMatrix* drawMatrix = 0,
const SkRect* geometry = 0,
float opacity = 1.0f,
bool forceBlending = true,
FloatRect fillPortion = FloatRect(0.0f, 0.0f, 1.0f, 1.0f))
: m_type(type)
, m_drawMatrix(drawMatrix)
, m_geometry(geometry)
, m_opacity(opacity)
, m_forceBlending(forceBlending)
, m_fillPortion(fillPortion.x(), fillPortion.y(),
fillPortion.width(), fillPortion.height())
{
}
DrawQuadData(const DrawQuadData& data)
: m_type(data.m_type)
, m_drawMatrix(data.m_drawMatrix)
, m_geometry(data.m_geometry)
, m_opacity(data.m_opacity)
, m_forceBlending(data.m_forceBlending)
, m_fillPortion(data.m_fillPortion.x(), data.m_fillPortion.y(),
data.m_fillPortion.width(), data.m_fillPortion.height())
{
}
virtual ~DrawQuadData() {};
DrawQuadType type() const { return m_type; }
const TransformationMatrix* drawMatrix() const { return m_drawMatrix; }
const SkRect* geometry() const { return m_geometry; }
float opacity() const { return m_opacity; }
bool forceBlending() const { return m_forceBlending; }
void updateDrawMatrix(TransformationMatrix* matrix) { m_drawMatrix = matrix; }
void updateGeometry(SkRect* rect) { m_geometry = rect; }
void updateOpacity(float opacity) { m_opacity = opacity; }
virtual bool pureColor() const { return false; }
virtual Color quadColor() const { return Color(); }
virtual int textureId() const { return 0; }
virtual GLint textureFilter() const { return 0; }
virtual GLenum textureTarget() const { return 0; }
virtual FloatRect fillPortion() const { return m_fillPortion; }
virtual bool hasRepeatScale() const { return false; }
virtual FloatSize repeatScale() const { return FloatSize(); }
private:
DrawQuadType m_type;
const TransformationMatrix* m_drawMatrix;
const SkRect* m_geometry;
float m_opacity;
bool m_forceBlending;
FloatRect m_fillPortion;
};
class PureColorQuadData : public DrawQuadData {
public:
PureColorQuadData(Color color,
DrawQuadType type = BaseQuad,
const TransformationMatrix* drawMatrix = 0,
const SkRect* geometry = 0,
float opacity = 1.0f,
bool forceBlending = true)
: DrawQuadData(type, drawMatrix, geometry, opacity, forceBlending)
{
m_quadColor = color;
}
PureColorQuadData(const DrawQuadData& data, Color color)
: DrawQuadData(data)
{
m_quadColor = color;
}
virtual ~PureColorQuadData() {};
virtual bool pureColor() const { return true; }
virtual Color quadColor() const { return m_quadColor; }
void updateColor(const Color& color) { m_quadColor = color; }
private:
Color m_quadColor;
};
class TextureQuadData : public DrawQuadData {
public:
TextureQuadData(int textureId,
GLenum textureTarget = GL_TEXTURE_2D,
GLint textureFilter = GL_LINEAR,
DrawQuadType type = BaseQuad,
const TransformationMatrix* drawMatrix = 0,
const SkRect* geometry = 0,
float opacity = 1.0f,
bool forceBlending = true,
FloatRect fillPortion = FloatRect(0.0f, 0.0f, 1.0f, 1.0f),
FloatSize repeatScale = FloatSize())
: DrawQuadData(type, drawMatrix, geometry, opacity, forceBlending, fillPortion)
{
m_textureId = textureId;
m_textureTarget = textureTarget;
m_textureFilter = textureFilter;
m_repeatScale = repeatScale;
}
TextureQuadData(const DrawQuadData& data,
int textureId,
GLenum textureTarget = GL_TEXTURE_2D,
GLint textureFilter = GL_LINEAR)
: DrawQuadData(data)
{
m_textureId = textureId;
m_textureTarget = textureTarget;
m_textureFilter = textureFilter;
}
virtual ~TextureQuadData() {};
virtual bool pureColor() const { return false; }
virtual int textureId() const { return m_textureId; }
virtual GLint textureFilter() const { return m_textureFilter; }
virtual GLenum textureTarget() const { return m_textureTarget; }
void updateTextureId(int newId) { m_textureId = newId; }
virtual bool hasRepeatScale() const { return !m_repeatScale.isEmpty(); }
virtual FloatSize repeatScale() const { return m_repeatScale; }
private:
int m_textureId;
GLint m_textureFilter;
GLenum m_textureTarget;
FloatSize m_repeatScale;
};
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
#endif // DrawQuadData_h
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