mirror of
https://github.com/blawar/GLideN64.git
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115 lines
2.2 KiB
C
115 lines
2.2 KiB
C
#ifndef OPENGL_H
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#define OPENGL_H
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#ifdef _WINDOWS
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#include <windows.h>
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#include <GL/gl.h>
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#include "glext.h"
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#include "windows/GLFunctions.h"
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#else
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#include "winlnxdefs.h"
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#ifdef GLES2
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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#define GL_DRAW_FRAMEBUFFER GL_FRAMEBUFFER
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#define GL_READ_FRAMEBUFFER GL_FRAMEBUFFER
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#else
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#define GL_GLEXT_PROTOTYPES
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#include <GL/gl.h>
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#include <GL/glext.h>
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#endif // GLES2
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#ifdef USE_SDL
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#include <SDL.h>
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#endif // USE_SDL
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#endif // _WINDOWS
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#include "gSP.h"
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struct GLVertex
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{
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float x, y, z, w;
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float s0, t0, s1, t1;
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};
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struct GLInfo
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{
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#ifdef _WINDOWS
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HGLRC hRC;
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HDC hDC;
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HWND hWnd;
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HWND hFullscreenWnd;
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#elif defined(USE_SDL)
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SDL_Surface *hScreen;
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#endif // _WINDOWS
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BOOL fullscreen;
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unsigned int fullscreenWidth, fullscreenHeight, fullscreenBits, fullscreenRefresh;
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unsigned int width, height, heightOffset;
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float scaleX, scaleY;
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#define INDEXMAP_SIZE 64U
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#define VERTBUFF_SIZE 256U
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#define ELEMBUFF_SIZE 1024U
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struct {
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SPVertex vertices[VERTBUFF_SIZE];
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GLubyte elements[ELEMBUFF_SIZE];
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int num;
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u32 indexmap[INDEXMAP_SIZE];
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u32 indexmapinv[VERTBUFF_SIZE];
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u32 indexmap_prev;
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u32 indexmap_nomap;
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} triangles;
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GLVertex rect[4];
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BYTE numTriangles;
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BYTE numVertices;
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BYTE combiner;
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enum {
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fbNone,
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fbFBO
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} framebufferMode;
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enum {
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rsNone = 0,
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rsTriangle = 1,
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rsRect = 2,
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rsTexRect = 3,
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rsLine = 4
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} renderState;
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bool bImageTexture;
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bool captureScreen;
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};
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extern GLInfo OGL;
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void OGL_InitGLFunctions();
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void OGL_InitData();
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void OGL_DestroyData();
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bool OGL_Start();
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void OGL_Stop();
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void OGL_AddTriangle(int v0, int v1, int v2);
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void OGL_DrawTriangles();
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void OGL_DrawTriangle(SPVertex *vertices, int v0, int v1, int v2);
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void OGL_DrawLine(int v0, int v1, float width);
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void OGL_DrawRect(int ulx, int uly, int lrx, int lry, float *color);
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void OGL_DrawTexturedRect(float ulx, float uly, float lrx, float lry, float uls, float ult, float lrs, float lrt, bool flip);
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void OGL_UpdateScale();
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void OGL_ClearDepthBuffer();
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void OGL_ClearColorBuffer( float *color );
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void OGL_ResizeWindow();
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void OGL_SaveScreenshot();
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void OGL_SwapBuffers();
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void OGL_ReadScreen( void **dest, long *width, long *height );
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bool checkFBO();
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#endif
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