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103 lines
3.5 KiB
C
103 lines
3.5 KiB
C
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#pragma once
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#ifndef ES_CORE_RENDERER_RENDERER_H
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#define ES_CORE_RENDERER_RENDERER_H
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#include "math/Vector2f.h"
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class Transform4x4f;
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class Vector2i;
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struct SDL_Window;
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namespace Renderer
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{
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namespace Blend
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{
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enum Factor
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{
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ZERO = 0,
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ONE = 1,
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SRC_COLOR = 2,
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ONE_MINUS_SRC_COLOR = 3,
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SRC_ALPHA = 4,
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ONE_MINUS_SRC_ALPHA = 5,
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DST_COLOR = 6,
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ONE_MINUS_DST_COLOR = 7,
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DST_ALPHA = 8,
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ONE_MINUS_DST_ALPHA = 9
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}; // Factor
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} // Blend::
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namespace Texture
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{
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enum Type
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{
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RGBA = 0,
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ALPHA = 1
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}; // Type
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} // Texture::
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struct Rect
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{
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Rect(const int _x, const int _y, const int _w, const int _h) : x(_x), y(_y), w(_w), h(_h) { }
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int x;
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int y;
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int w;
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int h;
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}; // Rect
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struct Vertex
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{
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Vertex() { }
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Vertex(const Vector2f& _pos, const Vector2f& _tex, const unsigned int _col) : pos(_pos), tex(_tex), col(_col) { }
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Vector2f pos;
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Vector2f tex;
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unsigned int col;
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}; // Vertex
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bool init ();
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void deinit ();
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void pushClipRect (const Vector2i& _pos, const Vector2i& _size);
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void popClipRect ();
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void drawRect (const float _x, const float _y, const float _w, const float _h, const unsigned int _color, const Blend::Factor _srcBlendFactor = Blend::SRC_ALPHA, const Blend::Factor _dstBlendFactor = Blend::ONE_MINUS_SRC_ALPHA);
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void drawRect (const int _x, const int _y, const int _w, const int _h, const unsigned int _color, const Blend::Factor _srcBlendFactor = Blend::SRC_ALPHA, const Blend::Factor _dstBlendFactor = Blend::ONE_MINUS_SRC_ALPHA);
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SDL_Window* getSDLWindow ();
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int getWindowWidth ();
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int getWindowHeight ();
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int getScreenWidth ();
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int getScreenHeight ();
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int getScreenOffsetX();
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int getScreenOffsetY();
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int getScreenRotate ();
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// API specific
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unsigned int convertColor (const unsigned int _color);
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unsigned int getWindowFlags ();
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void setupWindow ();
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void createContext ();
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void destroyContext ();
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unsigned int createTexture (const Texture::Type _type, const bool _linear, const bool _repeat, const unsigned int _width, const unsigned int _height, void* _data);
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void destroyTexture (const unsigned int _texture);
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void updateTexture (const unsigned int _texture, const Texture::Type _type, const unsigned int _x, const unsigned _y, const unsigned int _width, const unsigned int _height, void* _data);
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void bindTexture (const unsigned int _texture);
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void drawLines (const Vertex* _vertices, const unsigned int _numVertices, const Blend::Factor _srcBlendFactor = Blend::SRC_ALPHA, const Blend::Factor _dstBlendFactor = Blend::ONE_MINUS_SRC_ALPHA);
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void drawTriangleStrips(const Vertex* _vertices, const unsigned int _numVertices, const Blend::Factor _srcBlendFactor = Blend::SRC_ALPHA, const Blend::Factor _dstBlendFactor = Blend::ONE_MINUS_SRC_ALPHA);
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void setProjection (const Transform4x4f& _projection);
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void setMatrix (const Transform4x4f& _matrix);
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void setViewport (const Rect& _viewport);
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void setScissor (const Rect& _scissor);
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void setSwapInterval ();
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void swapBuffers ();
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} // Renderer::
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#endif // ES_CORE_RENDERER_RENDERER_H
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