static void mgaRunPipeline( GLcontext *ctx )
{
mgaContextPtr mmesa = MGA_CONTEXT(ctx);
if (mmesa->NewGLState) {
mgaDDValidateState( ctx );
}
if (mmesa->dirty) {
mgaEmitHwStateLocked( mmesa );
}
_tnl_run_pipeline( ctx );
}
void mgaFlushVerticesLocked( mgaContextPtr mmesa )
{
XF86DRIClipRectPtr pbox = mmesa->pClipRects;
int nbox = mmesa->numClipRects;
drmBufPtr buffer = mmesa->vertex_dma_buffer;
drmMGAVertex vertex;
int i;
mmesa->vertex_dma_buffer = 0;
if (!buffer)
return;
if (mmesa->dirty_cliprects & mmesa->draw_buffer)
mgaUpdateRects( mmesa, mmesa->draw_buffer );
if (mmesa->dirty & ~MGA_UPLOAD_CLIPRECTS)
mgaEmitHwStateLocked( mmesa );
/* FIXME: Workaround bug in kernel module.
*/
mmesa->sarea->dirty |= MGA_UPLOAD_CONTEXT;
if (!nbox)
buffer->used = 0;
if (nbox >= MGA_NR_SAREA_CLIPRECTS)
mmesa->dirty |= MGA_UPLOAD_CLIPRECTS;
#if 0
if (!buffer->used || !(mmesa->dirty & MGA_UPLOAD_CLIPRECTS))
{
if (nbox == 1)
mmesa->sarea->nbox = 0;
else
mmesa->sarea->nbox = nbox;
if (MGA_DEBUG&DEBUG_VERBOSE_IOCTL)
fprintf(stderr, "Firing vertex -- case a nbox %d\n", nbox);
vertex.idx = buffer->idx;
vertex.used = buffer->used;
vertex.discard = 1;
drmCommandWrite( mmesa->driFd, DRM_MGA_VERTEX,
&vertex, sizeof(drmMGAVertex) );
age_mmesa(mmesa, mmesa->sarea->last_enqueue);
}
else
#endif
{
for (i = 0 ; i < nbox ; )
{
int nr = MIN2(i + MGA_NR_SAREA_CLIPRECTS, nbox);
XF86DRIClipRectPtr b = mmesa->sarea->boxes;
int discard = 0;
if (mmesa->scissor) {
mmesa->sarea->nbox = 0;
for ( ; i < nr ; i++) {
*b = pbox[i];
if (intersect_rect(b, b, &mmesa->scissor_rect)) {
mmesa->sarea->nbox++;
b++;
}
}
/* Culled?
*/
if (!mmesa->sarea->nbox) {
if (nr < nbox) continue;
buffer->used = 0;
}
} else {
mmesa->sarea->nbox = nr - i;
for ( ; i < nr ; i++)
*b++ = pbox[i];
}
/* Finished with the buffer?
*/
if (nr == nbox)
discard = 1;
mmesa->sarea->dirty |= MGA_UPLOAD_CLIPRECTS;
vertex.idx = buffer->idx;
vertex.used = buffer->used;
vertex.discard = discard;
drmCommandWrite( mmesa->driFd, DRM_MGA_VERTEX,
&vertex, sizeof(drmMGAVertex) );
age_mmesa(mmesa, mmesa->sarea->last_enqueue);
}
}
/* Do we really need to do this ? */
#ifdef __i386__
if ( __break_vertex ) {
__asm__ __volatile__ ( "int $3" );
}
#endif
mmesa->dirty &= ~MGA_UPLOAD_CLIPRECTS;
}