-/* Flush vertices in the current dma region.
- */
-static void flush_last_swtcl_prim( r300ContextPtr rmesa )
-{
- if (RADEON_DEBUG & DEBUG_IOCTL)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
- rmesa->dma.flush = NULL;
-
- if (rmesa->dma.current.buf) {
- struct r300_dma_region *current = &rmesa->dma.current;
- GLuint current_offset = GET_START(current);
-
- assert (current->start +
- rmesa->swtcl.numverts * rmesa->swtcl.vertex_size * 4 ==
- current->ptr);
-
- if (rmesa->dma.current.start != rmesa->dma.current.ptr) {
-
- r300EnsureCmdBufSpace( rmesa, rmesa->hw.max_state_size + (12*sizeof(int)), __FUNCTION__);
-
- r300EmitState(rmesa);
-
- r300EmitVertexAOS( rmesa,
- rmesa->swtcl.vertex_size,
- current_offset);
-
- r300EmitVbufPrim( rmesa,
- rmesa->swtcl.hw_primitive,
- rmesa->swtcl.numverts);
-
- r300EmitCacheFlush(rmesa);
- }
-
- rmesa->swtcl.numverts = 0;
- current->start = current->ptr;
- }
-}
-
-/* Alloc space in the current dma region.
- */
-static void *
-r300AllocDmaLowVerts( r300ContextPtr rmesa, int nverts, int vsize )
-{
- GLuint bytes = vsize * nverts;
-
- if ( rmesa->dma.current.ptr + bytes > rmesa->dma.current.end )
- r300RefillCurrentDmaRegion( rmesa, bytes);
-
- if (!rmesa->dma.flush) {
- rmesa->radeon.glCtx->Driver.NeedFlush |= FLUSH_STORED_VERTICES;
- rmesa->dma.flush = flush_last_swtcl_prim;
- }
-
- ASSERT( vsize == rmesa->swtcl.vertex_size * 4 );
- ASSERT( rmesa->dma.flush == flush_last_swtcl_prim );
- ASSERT( rmesa->dma.current.start +
- rmesa->swtcl.numverts * rmesa->swtcl.vertex_size * 4 ==
- rmesa->dma.current.ptr );
-
- {
- GLubyte *head = (GLubyte *) (rmesa->dma.current.address + rmesa->dma.current.ptr);
- rmesa->dma.current.ptr += bytes;
- rmesa->swtcl.numverts += nverts;
- return head;
- }
-}
-