tibia-client/src/framework/graphics/ogl/painterogl.h

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/*
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* Copyright (c) 2010-2016 OTClient <https://github.com/edubart/otclient>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef PAINTEROGL_H
#define PAINTEROGL_H
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#include <framework/graphics/painter.h>
class PainterOGL : public Painter
{
public:
struct PainterState {
Size resolution;
Matrix3 transformMatrix;
Matrix3 projectionMatrix;
Matrix3 textureMatrix;
Color color;
float opacity;
Painter::CompositionMode compositionMode;
Painter::BlendEquation blendEquation;
Rect clipRect;
Texture *texture;
PainterShaderProgram *shaderProgram;
bool alphaWriting;
};
PainterOGL();
virtual ~PainterOGL() { }
virtual void bind() { refreshState(); }
virtual void unbind() { }
void resetState();
virtual void refreshState();
void saveState();
void saveAndResetState();
void restoreSavedState();
void clear(const Color& color);
void clearRect(const Color& color, const Rect& rect);
virtual void setTransformMatrix(const Matrix3& transformMatrix) { m_transformMatrix = transformMatrix; }
virtual void setProjectionMatrix(const Matrix3& projectionMatrix) { m_projectionMatrix = projectionMatrix; }
virtual void setTextureMatrix(const Matrix3& textureMatrix) { m_textureMatrix = textureMatrix; }
virtual void setCompositionMode(CompositionMode compositionMode);
virtual void setBlendEquation(BlendEquation blendEquation);
virtual void setClipRect(const Rect& clipRect);
virtual void setShaderProgram(PainterShaderProgram *shaderProgram) { m_shaderProgram = shaderProgram; }
virtual void setTexture(Texture *texture);
virtual void setAlphaWriting(bool enable);
void setTexture(const TexturePtr& texture) { setTexture(texture.get()); }
void setResolution(const Size& resolution);
void scale(float x, float y);
void translate(float x, float y);
void rotate(float angle);
void rotate(float x, float y, float angle);
void pushTransformMatrix();
void popTransformMatrix();
Matrix3 getTransformMatrix() { return m_transformMatrix; }
Matrix3 getProjectionMatrix() { return m_projectionMatrix; }
Matrix3 getTextureMatrix() { return m_textureMatrix; }
BlendEquation getBlendEquation() { return m_blendEquation; }
PainterShaderProgram *getShaderProgram() { return m_shaderProgram; }
bool getAlphaWriting() { return m_alphaWriting; }
void resetBlendEquation() { setBlendEquation(BlendEquation_Add); }
void resetTexture() { setTexture(nullptr); }
void resetAlphaWriting() { setAlphaWriting(false); }
void resetTransformMatrix() { setTransformMatrix(Matrix3()); }
protected:
void updateGlTexture();
void updateGlCompositionMode();
void updateGlBlendEquation();
void updateGlClipRect();
void updateGlAlphaWriting();
void updateGlViewport();
CoordsBuffer m_coordsBuffer;
std::vector<Matrix3> m_transformMatrixStack;
Matrix3 m_transformMatrix;
Matrix3 m_projectionMatrix;
Matrix3 m_textureMatrix;
BlendEquation m_blendEquation;
Texture *m_texture;
bool m_alphaWriting;
PainterState m_olderStates[10];
int m_oldStateIndex;
uint m_glTextureId;
};
#endif