void FBO_FastBlit(FBO_t *src, ivec4_t srcBox, FBO_t *dst, ivec4_t dstBox, int buffers, int filter)
{
ivec4_t srcBoxFinal, dstBoxFinal;
GLuint srcFb, dstFb;
if (!glRefConfig.framebufferBlit)
{
FBO_Blit(src, srcBox, NULL, dst, dstBox, NULL, NULL, 0);
return;
}
srcFb = src ? src->frameBuffer : 0;
dstFb = dst ? dst->frameBuffer : 0;
if (!srcBox)
{
int width = src ? src->width : glConfig.vidWidth;
int height = src ? src->height : glConfig.vidHeight;
VectorSet4(srcBoxFinal, 0, 0, width, height);
}
else
{
VectorSet4(srcBoxFinal, srcBox[0], srcBox[1], srcBox[0] + srcBox[2], srcBox[1] + srcBox[3]);
}
if (!dstBox)
{
int width = dst ? dst->width : glConfig.vidWidth;
int height = dst ? dst->height : glConfig.vidHeight;
VectorSet4(dstBoxFinal, 0, 0, width, height);
}
else
{
VectorSet4(dstBoxFinal, dstBox[0], dstBox[1], dstBox[0] + dstBox[2], dstBox[1] + dstBox[3]);
}
GL_BindFramebuffer(GL_READ_FRAMEBUFFER, srcFb);
GL_BindFramebuffer(GL_DRAW_FRAMEBUFFER, dstFb);
qglBlitFramebuffer(srcBoxFinal[0], srcBoxFinal[1], srcBoxFinal[2], srcBoxFinal[3],
dstBoxFinal[0], dstBoxFinal[1], dstBoxFinal[2], dstBoxFinal[3],
buffers, filter);
GL_BindFramebuffer(GL_FRAMEBUFFER, 0);
glState.currentFBO = NULL;
}
/**
* @brief Forces multisample antialiasing resolve on given framebuffer, if needed
* @param[in] buf the framebuffer to use
*/
void R_ResolveMSAA (const r_framebuffer_t *buf)
{
int i;
if (!buf->samples)
return;
qglBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT,buf->fbo);
qglBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT,buf->proxyFBO);
for (i = 0; i < buf->nTextures; i++) {
glReadBuffer(GL_COLOR_ATTACHMENT0_EXT + i);
glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT + i);
qglBlitFramebuffer(0, 0, buf->width, buf-> height, 0, 0, buf->width, buf->height, GL_COLOR_BUFFER_BIT, GL_NEAREST);
R_CheckError();
}
R_CheckError();
qglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, screenBuffer.fbo);
R_CheckError();
}
