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97 lines
No EOL
2.2 KiB
C++
97 lines
No EOL
2.2 KiB
C++
#ifndef _GlDraw_GlDraw_h_
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#define _GlDraw_GlDraw_h_
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#include <Draw/Draw.h>
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#include <plugin/glew/glew.h>
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#ifdef PLATFORM_WIN32
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#include <plugin/glew/wglew.h>
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#endif
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#define GL_USE_SHADERS
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#define GL_COMB_OPT
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#include <GL/gl.h>
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namespace Upp {
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GLuint GetTextureForImage(const Image& img, uint64 context = 0);
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#ifdef GL_USE_SHADERS
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enum {
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ATTRIB_VERTEX = 1,
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ATTRIB_COLOR,
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ATTRIB_TEXPOS,
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ATTRIB_ALPHA,
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};
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class GLProgram {
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GLuint vertex_shader;
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GLuint fragment_shader;
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GLuint program;
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public:
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void Create(const char *vertex_shader, const char *fragment_shader,
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Tuple2<int, const char *> *bind_attr = NULL, int bind_count = 0);
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void Create(const char *vertex_shader, const char *fragment_shader,
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int attr1, const char *attr1name);
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void Create(const char *vertex_shader, const char *fragment_shader,
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int attr1, const char *attr1name,
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int attr2, const char *attr2name);
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void Create(const char *vertex_shader, const char *fragment_shader,
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int attr1, const char *attr1name,
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int attr2, const char *attr2name,
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int attr3, const char *attr3name);
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void Clear();
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int GetAttrib(const char *name) { return glGetAttribLocation(program, name); }
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int GetUniform(const char *name) { return glGetUniformLocation(program, name); }
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void Use() { glUseProgram(program); }
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GLProgram();
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};
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#endif
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class GLDraw : public SDraw {
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void SetColor(Color c);
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uint64 context;
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#ifdef GL_COMB_OPT
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struct RectColor : Moveable<RectColor> {
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Rect rect;
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Color color;
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};
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Vector<RectColor> put_rect;
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#endif
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void FlushPutRect();
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public:
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virtual void PutImage(Point p, const Image& img, const Rect& src);
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#ifdef GL_USE_SHADERS
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virtual void PutImage(Point p, const Image& img, const Rect& src, Color color);
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#endif
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virtual void PutRect(const Rect& r, Color color);
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void Init(Size sz, uint64 context = 0);
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void Finish();
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static void ClearCache();
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static void ResetCache();
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GLDraw() { context = 0; }
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~GLDraw();
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};
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void GLOrtho(float left, float right, float bottom, float top, float near_, float far_, GLuint u_projection);
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};
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#endif |