* Keith Whitwell <keith@tungstengraphics.com>
*/
-#include "pipe/p_util.h"
+#include "util/u_memory.h"
#include "draw/draw_context.h"
#include "draw/draw_private.h"
#include "draw/draw_vbuf.h"
static void fetch_emit_prepare( struct draw_pt_middle_end *middle,
unsigned prim,
- unsigned opt )
+ unsigned opt,
+ unsigned *max_vertices )
{
struct fetch_emit_middle_end *feme = (struct fetch_emit_middle_end *)middle;
struct draw_context *draw = feme->draw;
memset(&key, 0, sizeof(key));
for (i = 0; i < vinfo->num_attribs; i++) {
- const struct pipe_vertex_element *src = &draw->pt.vertex_element[vinfo->src_index[i]];
+ const struct pipe_vertex_element *src = &draw->pt.vertex_element[vinfo->attrib[i].src_index];
unsigned emit_sz = 0;
unsigned input_format = src->src_format;
unsigned input_offset = src->src_offset;
unsigned output_format;
- switch (vinfo->emit[i]) {
+ switch (vinfo->attrib[i].emit) {
+ case EMIT_4UB:
+ output_format = PIPE_FORMAT_R8G8B8A8_UNORM;
+ emit_sz = 4 * sizeof(unsigned char);
+ break;
case EMIT_4F:
output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
emit_sz = 4 * sizeof(float);
output_format = PIPE_FORMAT_R32_FLOAT;
emit_sz = 1 * sizeof(float);
break;
+ case EMIT_OMIT:
+ continue;
default:
assert(0);
output_format = PIPE_FORMAT_NONE;
i,
((char *)draw->pt.user.vbuffer[i] +
draw->pt.vertex_buffer[i].buffer_offset),
- draw->pt.vertex_buffer[i].pitch );
+ draw->pt.vertex_buffer[i].stride );
}
+
+ *max_vertices = (draw->render->max_vertex_buffer_bytes /
+ (vinfo->size * 4));
+
+ /* Return an even number of verts.
+ * This prevents "parity" errors when splitting long triangle strips which
+ * can lead to front/back culling mix-ups.
+ * Every other triangle in a strip has an alternate front/back orientation
+ * so splitting at an odd position can cause the orientation of subsequent
+ * triangles to get reversed.
+ */
+ *max_vertices = *max_vertices & ~1;
}
*/
draw_do_flush( draw, DRAW_FLUSH_BACKEND );
- hw_verts = draw->render->allocate_vertices( draw->render,
- (ushort)feme->translate->key.output_stride,
- (ushort)fetch_count );
+ if (fetch_count >= UNDEFINED_VERTEX_ID) {
+ assert(0);
+ return;
+ }
+
+ draw->render->allocate_vertices( draw->render,
+ (ushort)feme->translate->key.output_stride,
+ (ushort)fetch_count );
+
+ hw_verts = draw->render->map_vertices( draw->render );
if (!hw_verts) {
assert(0);
return;
}
}
+ draw->render->unmap_vertices( draw->render,
+ 0,
+ (ushort)(fetch_count - 1) );
+
/* XXX: Draw arrays path to avoid re-emitting index list again and
* again.
*/
/* Done -- that was easy, wasn't it:
*/
- draw->render->release_vertices( draw->render,
- hw_verts,
- feme->translate->key.output_stride,
- fetch_count );
+ draw->render->release_vertices( draw->render );
}
*/
draw_do_flush( draw, DRAW_FLUSH_BACKEND );
- hw_verts = draw->render->allocate_vertices( draw->render,
- (ushort)feme->translate->key.output_stride,
- (ushort)count );
- if (!hw_verts) {
- assert(0);
- return;
- }
+ if (count >= UNDEFINED_VERTEX_ID)
+ goto fail;
+
+ if (!draw->render->allocate_vertices( draw->render,
+ (ushort)feme->translate->key.output_stride,
+ (ushort)count ))
+ goto fail;
+
+ hw_verts = draw->render->map_vertices( draw->render );
+ if (!hw_verts)
+ goto fail;
/* Single routine to fetch vertices and emit HW verts.
*/
}
}
+ draw->render->unmap_vertices( draw->render, 0, count - 1 );
+
/* XXX: Draw arrays path to avoid re-emitting index list again and
* again.
*/
- draw->render->draw_arrays( draw->render,
- 0, /*start*/
- count );
+ draw->render->draw_arrays( draw->render, 0, count );
/* Done -- that was easy, wasn't it:
*/
- draw->render->release_vertices( draw->render,
- hw_verts,
- feme->translate->key.output_stride,
- count );
+ draw->render->release_vertices( draw->render );
+ return;
+fail:
+ assert(0);
+ return;
}
+static boolean fetch_emit_run_linear_elts( struct draw_pt_middle_end *middle,
+ unsigned start,
+ unsigned count,
+ const ushort *draw_elts,
+ unsigned draw_count )
+{
+ struct fetch_emit_middle_end *feme = (struct fetch_emit_middle_end *)middle;
+ struct draw_context *draw = feme->draw;
+ void *hw_verts;
+
+ /* XXX: need to flush to get prim_vbuf.c to release its allocation??
+ */
+ draw_do_flush( draw, DRAW_FLUSH_BACKEND );
+
+ if (count >= UNDEFINED_VERTEX_ID)
+ return FALSE;
+
+ if (!draw->render->allocate_vertices( draw->render,
+ (ushort)feme->translate->key.output_stride,
+ (ushort)count ))
+ return FALSE;
+
+ hw_verts = draw->render->map_vertices( draw->render );
+ if (!hw_verts)
+ return FALSE;
+
+ /* Single routine to fetch vertices and emit HW verts.
+ */
+ feme->translate->run( feme->translate,
+ start,
+ count,
+ hw_verts );
+
+ draw->render->unmap_vertices( draw->render, 0, (ushort)(count - 1) );
+
+ /* XXX: Draw arrays path to avoid re-emitting index list again and
+ * again.
+ */
+ draw->render->draw( draw->render,
+ draw_elts,
+ draw_count );
+
+ /* Done -- that was easy, wasn't it:
+ */
+ draw->render->release_vertices( draw->render );
+
+ return TRUE;
+}
+
+
+
static void fetch_emit_finish( struct draw_pt_middle_end *middle )
{
fetch_emit->base.prepare = fetch_emit_prepare;
fetch_emit->base.run = fetch_emit_run;
fetch_emit->base.run_linear = fetch_emit_run_linear;
+ fetch_emit->base.run_linear_elts = fetch_emit_run_linear_elts;
fetch_emit->base.finish = fetch_emit_finish;
fetch_emit->base.destroy = fetch_emit_destroy;
projects / mesa.git / blobdiff