void LLDrawPoolAlpha::render(S32 pass)
{
LLFastTimer t(LLFastTimer::FTM_RENDER_ALPHA);
LLGLEnable clip(GL_CLIP_PLANE0);
setup_clip_plane(TRUE);
render(gPipeline.mAlphaGroups);
}
void LLDrawPoolAlphaPostWater::render(S32 pass)
{
LLFastTimer t(LLFastTimer::FTM_RENDER_ALPHA);
if (gPipeline.hasRenderType(LLDrawPool::POOL_ALPHA))
{
LLGLEnable clip(GL_CLIP_PLANE0);
setup_clip_plane(FALSE);
LLDrawPoolAlpha::render(gPipeline.mAlphaGroupsPostWater);
}
else
{
LLDrawPoolAlpha::render(gPipeline.mAlphaGroupsPostWater);
}
}
bool
measure_effects(char *desc, int mc, int pc, int md, int pd, int expected)
{
float size = 0.1;
float dist = 1.0 - size/2;
int angle;
printf("Measuring %s: ", desc);
glClear(GL_COLOR_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glRotatef(mc, 0, 0, 1);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glRotatef(pc, 0, 0, 1);
setup_clip_plane(0, 1.0, 0.0, 0.0, size-1.0); /* x > 1.0-size */
setup_clip_plane(1, -1.0, 0.0, 0.0, 1.0); /* x < 1.0 */
setup_clip_plane(2, 0.0, 1.0, 0.0, size/2); /* y > -size/2 */
setup_clip_plane(3, 0.0, -1.0, 0.0, size/2); /* y < size/2 */
glEnable(GL_CLIP_PLANE0);
glEnable(GL_CLIP_PLANE1);
glEnable(GL_CLIP_PLANE2);
glEnable(GL_CLIP_PLANE3);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glRotatef(md, 0, 0, 1);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glRotatef(pd, 0, 0, 1);
piglit_draw_rect(-2, -2, 4, 4);
for (angle = -180; angle < 180; angle += 10) {
float angle_rad = angle * M_PI / 180.0;
float xf = dist * cos(angle_rad);
float yf = dist * sin(angle_rad);
int x = (int) (0.5 + piglit_width * (xf + 1.0)/2.0);
int y = (int) (0.5 + piglit_width * (yf + 1.0)/2.0);
float found_color[4];
glReadPixels(x, y, 1, 1, GL_RGBA, GL_FLOAT, found_color);
if (found_color[0] > 0.5) {
if (angle == expected) {
printf("OK (angle=%d)\n", angle);
return true;
} else {
printf("FAIL (angle=%d, expected=%d)\n", angle,
expected);
return false;
}
}
}
printf("FAIL (test rect not found, expected=%d)\n", expected);
return false;
}