enum piglit_result
piglit_display(void)
{
GLboolean pass = GL_TRUE;
int dim;
GLuint tex;
int x;
float blend[] = {0.5, 0.5, 0.0, 1.0};
glClearColor(0.5, 0.5, 0.5, 0.5);
glClear(GL_COLOR_BUFFER_BIT);
tex = create_tex();
x = 1;
for (dim = TEX_WIDTH; dim > 1; dim /= 2) {
draw_mipmap(x, 1, dim);
x += dim + 1;
}
x = 1;
for (dim = TEX_WIDTH; dim > 1; dim /= 2) {
if (dim < TEX_WIDTH / 4) {
pass &= piglit_probe_rect_rgba(x, 1, dim, dim,
blend);
}
x += dim + 1;
}
glDeleteTextures(1, &tex);
piglit_present_results();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
static enum piglit_result
test_format(const struct format_desc *format)
{
int dim;
GLuint tex;
int x;
int level;
GLboolean pass = GL_TRUE;
printf("Testing %s", format->name);
if (clear_stencil && format->base_internal_format != GL_DEPTH_STENCIL) {
printf(" - no stencil.\n");
return PIGLIT_SKIP;
}
tex = create_tex(format->internalformat, format->base_internal_format);
if (tex == 0) {
printf(" - FBO incomplete\n");
piglit_report_subtest_result(PIGLIT_SKIP,
"%s (fbo incomplete)",
format->name);
return PIGLIT_SKIP;
}
printf("\n");
if (clear_stencil) {
glClearStencil(0x0);
glClear(GL_STENCIL_BUFFER_BIT);
}
glViewport(0, 0, piglit_width, piglit_height);
piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
x = 1;
level = 0;
for (dim = TEX_WIDTH; dim > 1; dim /= 2) {
if (clear_stencil)
draw_stencil_mipmap(x, 1, dim, tex, level);
else
draw_mipmap(x, 1, dim);
x += dim + 1;
level++;
}
if (clear_stencil)
visualize_stencil();
x = 1;
level = 0;
for (dim = TEX_WIDTH; dim > 1; dim /= 2) {
pass = pass && test_mipmap_drawing(x, 1, dim, level,
format->internalformat);
x += dim + 1;
level++;
}
glDeleteTextures(1, &tex);
piglit_report_subtest_result(pass ? PIGLIT_PASS : PIGLIT_FAIL,
format->name);
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
int main(int argc, char **argv)
{
int flags = SDL_OPENGL;
int bpp = 0;
int carry_on = 1;
Uint32 c_frame = 0;
Uint32 interval;
Uint32 start_t, last_t, curr_t;
Uint32 rendered_frames = 0;
SDL_Surface *screen;
GLuint bg, bird;
SDL_Event selection;
const SDL_VideoInfo* info = NULL;
initialise();
info = SDL_GetVideoInfo();
bpp = info->vfmt->BitsPerPixel;
screen = SDL_SetVideoMode(MAP_W, MAP_H, bpp, flags);
if(!screen){
fprintf(stderr, "Failed to open screen!\n");
return 1;
}
create_tex("images/sky.png", &bg);
create_tex("images/bird.png", &bird);
/* paint section */
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, MAP_W,
MAP_H, 0, -1, 1);
//glViewport(0.0, 0.0,
// MAP_W, MAP_H);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, bg);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0, 0, 0);
glBegin(GL_QUADS);
glTexCoord2f(0.0, 0.0);
glVertex3f(0, 0, 0);
glTexCoord2f(0.0, 1.0);
glVertex3f(0, MAP_H, 0);
glTexCoord2f(1.0, 1.0);
glVertex3f(MAP_W, MAP_H, 0);
glTexCoord2f(1.0, 0.0);
glVertex3f(MAP_W, 0 , 0);
glEnd();
/*
glBindTexture(GL_TEXTURE_2D, bird);
glBegin(GL_QUADS);
glTexCoord2f(0.0, 0.0);
glVertex3f(0, 0, 0);
glTexCoord2f(0.0, 1.0);
glVertex3f(0, BIRD_H, 0);
glTexCoord2f(1.0, 1.0);
glVertex3f(BIRD_W, BIRD_H, 0);
glTexCoord2f(1.0, 0.0);
glVertex3f(BIRD_W, 0 , 0);
glEnd();
*/
glDisable(GL_TEXTURE_2D);
glFlush();
SDL_GL_SwapBuffers();
start_t = last_t = SDL_GetTicks();
while(carry_on){
while(SDL_PollEvent(&selection)){
if(selection.type == SDL_QUIT){
carry_on = 0;
}
}
curr_t = SDL_GetTicks();
if(floor((double)(curr_t - start_t) /1000. * FPS) > c_frame){
// c_frame = floor((double)(curr_t - start_t) / 1000. * FPS);
c_frame++;
paint(bg, 0, MAP_W, MAP_H, curr_t);
paint(bird, 0.1, BIRD_W, BIRD_H, curr_t);
rendered_frames++;
}
glFlush();
SDL_GL_SwapBuffers();
}
fprintf(stdout, "frames: %d\n", rendered_frames);
fprintf(stdout, "seconds: %d \n", (curr_t - start_t) / 1000);
fprintf(stderr, "FPS: %f\n", (float)rendered_frames/((float)(curr_t - start_t) / 1000));
return 0;
}