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implement DrawElements, still some rough spots

This commit is contained in:
Brian 2007-08-20 12:52:33 -06:00
parent 1dd55a77c8
commit a83b72a672
1 changed files with 35 additions and 2 deletions
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37
src/mesa/state_tracker/st_draw.c
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@ -249,8 +249,41 @@ draw_vbo(GLcontext *ctx,
}
/* do actual drawing */
for (i = 0; i < nr_prims; i++) {
pipe->draw_arrays(pipe, prims[i].mode, prims[i].start, prims[i].count);
if (ib) {
/* indexed primitive */
struct gl_buffer_object *bufobj = ib->obj;
struct pipe_buffer_handle *bh = NULL;
unsigned indexSize;
if (bufobj && bufobj->Name) {
/* elements/indexes are in a real VBO */
struct st_buffer_object *stobj = st_buffer_object(bufobj);
bh = stobj->buffer;
switch (ib->type) {
case GL_UNSIGNED_INT:
indexSize = 4;
break;
case GL_UNSIGNED_SHORT:
indexSize = 2;
break;
default:
assert(0);
}
}
else {
assert(0);
}
for (i = 0; i < nr_prims; i++) {
pipe->draw_elements(pipe, bh, indexSize,
prims[i].mode, prims[i].start, prims[i].count);
}
}
else {
/* non-indexed */
for (i = 0; i < nr_prims; i++) {
pipe->draw_arrays(pipe, prims[i].mode, prims[i].start, prims[i].count);
}
}
}