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Half-working persistent mode

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This commit is contained in:
Simon Robertshaw 2011-10-25 16:10:16 +01:00
parent b9ec7d8654
commit ef7e231a32
1 changed files with 19 additions and 4 deletions
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17
src/graphics.c
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@ -349,10 +349,25 @@ pixel *rescale_img(pixel *src, int sw, int sh, int *qw, int *qh, int f)
#ifdef OGLR
void clearScreen(float alpha)
{
glClearColor(0.0f, 0.0f, 0.0f, alpha);
if(alpha > 0.999f)
{
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, partsFbo);
glClear(GL_COLOR_BUFFER_BIT);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
}
else
{
glColor4f(0.0f, 0.0f, 0.0f, alpha);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, partsFbo);
glBegin(GL_QUADS);
glVertex2f(0, 0);
glVertex2f(XRES, 0);
glVertex2f(XRES, YRES);
glVertex2f(0, YRES);
glEnd();
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
}
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
}