mirror of https://github.com/PCSX2/pcsx2.git
348 lines
8.7 KiB
C
348 lines
8.7 KiB
C
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#include "common.h"
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#ifdef __MACOS__
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#define HAVE_OPENGL
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#endif
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#ifdef HAVE_OPENGL
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#include "SDL_opengl.h"
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/* Undefine this if you want a flat cube instead of a rainbow cube */
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#define SHADED_CUBE
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static CommonState *state;
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static SDL_GLContext context;
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/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
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static void
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quit(int rc)
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{
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if (context) {
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/* SDL_GL_MakeCurrent(0, NULL); *//* doesn't do anything */
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SDL_GL_DeleteContext(context);
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}
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CommonQuit(state);
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exit(rc);
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}
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static void
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Render()
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{
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static float color[8][3] = {
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{1.0, 1.0, 0.0},
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{1.0, 0.0, 0.0},
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{0.0, 0.0, 0.0},
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{0.0, 1.0, 0.0},
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{0.0, 1.0, 1.0},
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{1.0, 1.0, 1.0},
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{1.0, 0.0, 1.0},
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{0.0, 0.0, 1.0}
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};
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static float cube[8][3] = {
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{0.5, 0.5, -0.5},
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{0.5, -0.5, -0.5},
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{-0.5, -0.5, -0.5},
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{-0.5, 0.5, -0.5},
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{-0.5, 0.5, 0.5},
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{0.5, 0.5, 0.5},
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{0.5, -0.5, 0.5},
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{-0.5, -0.5, 0.5}
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};
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/* Do our drawing, too. */
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glClearColor(0.0, 0.0, 0.0, 1.0);
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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glBegin(GL_QUADS);
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#ifdef SHADED_CUBE
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glColor3fv(color[0]);
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glVertex3fv(cube[0]);
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glColor3fv(color[1]);
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glVertex3fv(cube[1]);
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glColor3fv(color[2]);
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glVertex3fv(cube[2]);
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glColor3fv(color[3]);
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glVertex3fv(cube[3]);
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glColor3fv(color[3]);
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glVertex3fv(cube[3]);
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glColor3fv(color[4]);
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glVertex3fv(cube[4]);
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glColor3fv(color[7]);
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glVertex3fv(cube[7]);
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glColor3fv(color[2]);
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glVertex3fv(cube[2]);
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glColor3fv(color[0]);
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glVertex3fv(cube[0]);
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glColor3fv(color[5]);
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glVertex3fv(cube[5]);
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glColor3fv(color[6]);
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glVertex3fv(cube[6]);
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glColor3fv(color[1]);
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glVertex3fv(cube[1]);
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glColor3fv(color[5]);
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glVertex3fv(cube[5]);
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glColor3fv(color[4]);
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glVertex3fv(cube[4]);
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glColor3fv(color[7]);
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glVertex3fv(cube[7]);
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glColor3fv(color[6]);
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glVertex3fv(cube[6]);
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glColor3fv(color[5]);
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glVertex3fv(cube[5]);
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glColor3fv(color[0]);
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glVertex3fv(cube[0]);
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glColor3fv(color[3]);
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glVertex3fv(cube[3]);
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glColor3fv(color[4]);
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glVertex3fv(cube[4]);
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glColor3fv(color[6]);
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glVertex3fv(cube[6]);
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glColor3fv(color[1]);
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glVertex3fv(cube[1]);
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glColor3fv(color[2]);
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glVertex3fv(cube[2]);
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glColor3fv(color[7]);
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glVertex3fv(cube[7]);
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#else /* flat cube */
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glColor3f(1.0, 0.0, 0.0);
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glVertex3fv(cube[0]);
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glVertex3fv(cube[1]);
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glVertex3fv(cube[2]);
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glVertex3fv(cube[3]);
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glColor3f(0.0, 1.0, 0.0);
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glVertex3fv(cube[3]);
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glVertex3fv(cube[4]);
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glVertex3fv(cube[7]);
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glVertex3fv(cube[2]);
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glColor3f(0.0, 0.0, 1.0);
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glVertex3fv(cube[0]);
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glVertex3fv(cube[5]);
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glVertex3fv(cube[6]);
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glVertex3fv(cube[1]);
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glColor3f(0.0, 1.0, 1.0);
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glVertex3fv(cube[5]);
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glVertex3fv(cube[4]);
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glVertex3fv(cube[7]);
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glVertex3fv(cube[6]);
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glColor3f(1.0, 1.0, 0.0);
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glVertex3fv(cube[5]);
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glVertex3fv(cube[0]);
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glVertex3fv(cube[3]);
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glVertex3fv(cube[4]);
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glColor3f(1.0, 0.0, 1.0);
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glVertex3fv(cube[6]);
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glVertex3fv(cube[1]);
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glVertex3fv(cube[2]);
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glVertex3fv(cube[7]);
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#endif /* SHADED_CUBE */
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glEnd();
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glMatrixMode(GL_MODELVIEW);
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glRotatef(5.0, 1.0, 1.0, 1.0);
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}
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int
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main(int argc, char *argv[])
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{
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int fsaa, accel;
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int value;
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int i, done;
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SDL_DisplayMode mode;
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SDL_Event event;
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Uint32 then, now, frames;
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int status;
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/* Initialize parameters */
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fsaa = 0;
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accel = -1;
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/* Initialize test framework */
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state = CommonCreateState(argv, SDL_INIT_VIDEO);
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if (!state) {
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return 1;
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}
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for (i = 1; i < argc;) {
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int consumed;
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consumed = CommonArg(state, i);
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if (consumed == 0) {
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if (SDL_strcasecmp(argv[i], "--fsaa") == 0) {
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++fsaa;
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consumed = 1;
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} else if (SDL_strcasecmp(argv[i], "--accel") == 0 && i+1 < argc) {
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accel = atoi(argv[i+1]);
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consumed = 2;
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} else {
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consumed = -1;
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}
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}
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if (consumed < 0) {
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fprintf(stderr, "Usage: %s %s [--fsaa] [--accel n]\n", argv[0],
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CommonUsage(state));
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quit(1);
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}
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i += consumed;
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}
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/* Set OpenGL parameters */
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state->window_flags |= SDL_WINDOW_OPENGL;
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state->gl_red_size = 5;
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state->gl_green_size = 5;
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state->gl_blue_size = 5;
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state->gl_depth_size = 16;
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state->gl_double_buffer = 1;
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if (fsaa) {
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state->gl_multisamplebuffers = 1;
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state->gl_multisamplesamples = fsaa;
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}
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if (accel >= 0) {
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state->gl_accelerated = accel;
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}
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if (!CommonInit(state)) {
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quit(2);
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}
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/* Create OpenGL context */
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context = SDL_GL_CreateContext(state->windows[0]);
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if (!context) {
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fprintf(stderr, "SDL_GL_CreateContext(): %s\n", SDL_GetError());
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quit(2);
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}
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if (state->render_flags & SDL_RENDERER_PRESENTVSYNC) {
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SDL_GL_SetSwapInterval(1);
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} else {
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SDL_GL_SetSwapInterval(0);
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}
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SDL_GetCurrentDisplayMode(0, &mode);
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printf("Screen BPP: %d\n", SDL_BITSPERPIXEL(mode.format));
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printf("\n");
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printf("Vendor : %s\n", glGetString(GL_VENDOR));
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printf("Renderer : %s\n", glGetString(GL_RENDERER));
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printf("Version : %s\n", glGetString(GL_VERSION));
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printf("Extensions : %s\n", glGetString(GL_EXTENSIONS));
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printf("\n");
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status = SDL_GL_GetAttribute(SDL_GL_RED_SIZE, &value);
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if (!status) {
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printf("SDL_GL_RED_SIZE: requested %d, got %d\n", 5, value);
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} else {
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printf("Failed to get SDL_GL_RED_SIZE: %s\n", SDL_GetError());
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}
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status = SDL_GL_GetAttribute(SDL_GL_GREEN_SIZE, &value);
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if (!status) {
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printf("SDL_GL_GREEN_SIZE: requested %d, got %d\n", 5, value);
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} else {
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printf("Failed to get SDL_GL_GREEN_SIZE: %s\n", SDL_GetError());
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}
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status = SDL_GL_GetAttribute(SDL_GL_BLUE_SIZE, &value);
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if (!status) {
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printf("SDL_GL_BLUE_SIZE: requested %d, got %d\n", 5, value);
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} else {
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printf("Failed to get SDL_GL_BLUE_SIZE: %s\n", SDL_GetError());
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}
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status = SDL_GL_GetAttribute(SDL_GL_DEPTH_SIZE, &value);
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if (!status) {
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printf("SDL_GL_DEPTH_SIZE: requested %d, got %d\n", 16, value);
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} else {
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printf("Failed to get SDL_GL_DEPTH_SIZE: %s\n", SDL_GetError());
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}
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if (fsaa) {
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status = SDL_GL_GetAttribute(SDL_GL_MULTISAMPLEBUFFERS, &value);
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if (!status) {
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printf("SDL_GL_MULTISAMPLEBUFFERS: requested 1, got %d\n", value);
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} else {
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printf("Failed to get SDL_GL_MULTISAMPLEBUFFERS: %s\n",
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SDL_GetError());
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}
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status = SDL_GL_GetAttribute(SDL_GL_MULTISAMPLESAMPLES, &value);
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if (!status) {
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printf("SDL_GL_MULTISAMPLESAMPLES: requested %d, got %d\n", fsaa,
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value);
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} else {
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printf("Failed to get SDL_GL_MULTISAMPLESAMPLES: %s\n",
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SDL_GetError());
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}
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}
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if (accel >= 0) {
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status = SDL_GL_GetAttribute(SDL_GL_ACCELERATED_VISUAL, &value);
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if (!status) {
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printf("SDL_GL_ACCELERATED_VISUAL: requested %d, got %d\n", accel,
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value);
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} else {
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printf("Failed to get SDL_GL_ACCELERATED_VISUAL: %s\n",
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SDL_GetError());
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}
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}
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/* Set rendering settings */
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glOrtho(-2.0, 2.0, -2.0, 2.0, -20.0, 20.0);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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glEnable(GL_DEPTH_TEST);
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glDepthFunc(GL_LESS);
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glShadeModel(GL_SMOOTH);
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/* Main render loop */
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frames = 0;
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then = SDL_GetTicks();
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done = 0;
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while (!done) {
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/* Check for events */
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++frames;
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while (SDL_PollEvent(&event)) {
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CommonEvent(state, &event, &done);
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}
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for (i = 0; i < state->num_windows; ++i) {
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int w, h;
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SDL_GL_MakeCurrent(state->windows[i], context);
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SDL_GetWindowSize(state->windows[i], &w, &h);
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glViewport(0, 0, w, h);
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Render();
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SDL_GL_SwapWindow(state->windows[i]);
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}
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}
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/* Print out some timing information */
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now = SDL_GetTicks();
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if (now > then) {
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printf("%2.2f frames per second\n",
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((double) frames * 1000) / (now - then));
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}
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quit(0);
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return 0;
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}
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#else /* HAVE_OPENGL */
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int
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main(int argc, char *argv[])
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{
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printf("No OpenGL support on this system\n");
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return 1;
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}
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#endif /* HAVE_OPENGL */
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