emit_vertex( struct vbuf_stage *vbuf,
struct vertex_header *vertex )
{
- if(vertex->vertex_id == UNDEFINED_VERTEX_ID) {
+ if (vertex->vertex_id == UNDEFINED_VERTEX_ID && vbuf->vertex_ptr) {
/* Hmm - vertices are emitted one at a time - better make sure
* set_buffer is efficient. Consider a special one-shot mode for
* translate.
*/
/* Note: we really do want data[0] here, not data[pos]:
*/
- vbuf->translate->set_buffer(vbuf->translate, 0, vertex->data[0], 0);
+ vbuf->translate->set_buffer(vbuf->translate, 0, vertex->data[0], 0, ~0);
vbuf->translate->run(vbuf->translate, 0, 1, 0, vbuf->vertex_ptr);
if (0) draw_dump_emitted_vertex(vbuf->vinfo, (uint8_t *)vbuf->vertex_ptr);
check_space( vbuf, 3 );
- if (vbuf->stage.draw->rasterizer->flatshade_first) {
- /* Put provoking vertex in position expected by the driver.
- * Emit last provoking vertex in first pos.
- * Swap verts 0 & 1 to preserve polygon winding.
- */
- vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[2] );
- vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[0] );
- vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[1] );
- }
- else {
- for (i = 0; i < 3; i++) {
- vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[i] );
- }
+ for (i = 0; i < 3; i++) {
+ vbuf->indices[vbuf->nr_indices++] = emit_vertex( vbuf, prim->v[i] );
}
}
for (i = 0; i < vbuf->vinfo->num_attribs; i++) {
unsigned emit_sz = 0;
unsigned src_buffer = 0;
- unsigned output_format;
+ enum pipe_format output_format;
unsigned src_offset = (vbuf->vinfo->attrib[i].src_index * 4 * sizeof(float) );
- switch (vbuf->vinfo->attrib[i].emit) {
- case EMIT_4F:
- output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
- emit_sz = 4 * sizeof(float);
- break;
- case EMIT_3F:
- output_format = PIPE_FORMAT_R32G32B32_FLOAT;
- emit_sz = 3 * sizeof(float);
- break;
- case EMIT_2F:
- output_format = PIPE_FORMAT_R32G32_FLOAT;
- emit_sz = 2 * sizeof(float);
- break;
- case EMIT_1F:
- output_format = PIPE_FORMAT_R32_FLOAT;
- emit_sz = 1 * sizeof(float);
- break;
- case EMIT_1F_PSIZE:
- output_format = PIPE_FORMAT_R32_FLOAT;
- emit_sz = 1 * sizeof(float);
+ output_format = draw_translate_vinfo_format(vbuf->vinfo->attrib[i].emit);
+ emit_sz = draw_translate_vinfo_size(vbuf->vinfo->attrib[i].emit);
+
+ /* doesn't handle EMIT_OMIT */
+ assert(emit_sz != 0);
+
+ if (vbuf->vinfo->attrib[i].emit == EMIT_1F_PSIZE) {
src_buffer = 1;
src_offset = 0;
- break;
- case EMIT_4UB:
- output_format = PIPE_FORMAT_A8R8G8B8_UNORM;
- emit_sz = 4 * sizeof(ubyte);
- break;
- default:
- assert(0);
- output_format = PIPE_FORMAT_NONE;
- emit_sz = 0;
- break;
}
hw_key.element[i].type = TRANSLATE_ELEMENT_NORMAL;
translate_key_sanitize(&hw_key);
vbuf->translate = translate_cache_find(vbuf->cache, &hw_key);
- vbuf->translate->set_buffer(vbuf->translate, 1, &vbuf->point_size, 0);
+ vbuf->translate->set_buffer(vbuf->translate, 1, &vbuf->point_size, 0, ~0);
}
vbuf->point_size = vbuf->stage.draw->rasterizer->point_size;
if (vbuf->nr_indices)
{
- vbuf->render->draw(vbuf->render,
- vbuf->indices,
- vbuf->nr_indices );
+ vbuf->render->draw_elements(vbuf->render,
+ vbuf->indices,
+ vbuf->nr_indices );
vbuf->nr_indices = 0;
}
vbuf->max_vertices = vbuf->nr_vertices = 0;
vbuf->vertex_ptr = vbuf->vertices = NULL;
}
+
+ /* Reset point/line/tri function pointers.
+ * If (for example) we transition from points to tris and back to points
+ * again, we need to call the vbuf_first_point() function again to flush
+ * the triangles before drawing more points. This can happen when drawing
+ * with front polygon mode = filled and back polygon mode = line or point.
+ */
+ vbuf->stage.point = vbuf_first_point;
+ vbuf->stage.line = vbuf_first_line;
+ vbuf->stage.tri = vbuf_first_tri;
}
static void
vbuf_alloc_vertices( struct vbuf_stage *vbuf )
{
- assert(!vbuf->nr_indices);
- assert(!vbuf->vertices);
+ if (vbuf->vertex_ptr) {
+ assert(!vbuf->nr_indices);
+ assert(!vbuf->vertices);
+ }
/* Allocate a new vertex buffer */
vbuf->max_vertices = vbuf->render->max_vertex_buffer_bytes / vbuf->vertex_size;
- /* even number */
- vbuf->max_vertices = vbuf->max_vertices & ~1;
-
if(vbuf->max_vertices >= UNDEFINED_VERTEX_ID)
vbuf->max_vertices = UNDEFINED_VERTEX_ID - 1;
struct vbuf_stage *vbuf = vbuf_stage( stage );
vbuf_flush_vertices( vbuf );
-
- stage->point = vbuf_first_point;
- stage->line = vbuf_first_line;
- stage->tri = vbuf_first_tri;
}
vbuf->stage.destroy = vbuf_destroy;
vbuf->render = render;
- vbuf->max_indices = MAX2(render->max_indices, UNDEFINED_VERTEX_ID-1);
+ vbuf->max_indices = MIN2(render->max_indices, UNDEFINED_VERTEX_ID-1);
vbuf->indices = (ushort *) align_malloc( vbuf->max_indices *
sizeof(vbuf->indices[0]),