static void r300_draw_vbo(struct pipe_context* pipe,
const struct pipe_draw_info *dinfo)
{
struct r300_context* r300 = r300_context(pipe);
struct pipe_draw_info info = *dinfo;
info.indexed = info.indexed;
if (r300->skip_rendering ||
!u_trim_pipe_prim(info.mode, &info.count)) {
return;
}
r300_update_derived_state(r300);
/* Draw. */
if (info.indexed) {
unsigned max_count = r300_max_vertex_count(r300);
if (!max_count) {
fprintf(stderr, "r300: Skipping a draw command. There is a buffer "
" which is too small to be used for rendering.\n");
return;
}
if (max_count == ~0) {
/* There are no per-vertex vertex elements. Use the hardware maximum. */
max_count = 0xffffff;
}
info.max_index = max_count - 1;
info.start += r300->index_buffer.offset / r300->index_buffer.index_size;
if (info.instance_count <= 1) {
if (info.count <= 8 &&
r300->index_buffer.user_buffer) {
r300_draw_elements_immediate(r300, &info);
} else {
r300_draw_elements(r300, &info, -1);
}
} else {
r300_draw_elements_instanced(r300, &info);
}
} else {
if (info.instance_count <= 1) {
if (immd_is_good_idea(r300, info.count)) {
r300_draw_arrays_immediate(r300, &info);
} else {
r300_draw_arrays(r300, &info, -1);
}
} else {
r300_draw_arrays_instanced(r300, &info);
}
}
}
static void r300_draw_vbo(struct pipe_context* pipe,
const struct pipe_draw_info *dinfo)
{
struct r300_context* r300 = r300_context(pipe);
struct pipe_draw_info info = *dinfo;
info.indexed = info.indexed && r300->vbuf_mgr->index_buffer.buffer;
if (r300->skip_rendering ||
!u_trim_pipe_prim(info.mode, &info.count)) {
return;
}
r300_update_derived_state(r300);
/* Start the vbuf manager and update buffers if needed. */
if (u_vbuf_draw_begin(r300->vbuf_mgr, &info) & U_VBUF_BUFFERS_UPDATED) {
r300->vertex_arrays_dirty = TRUE;
}
/* Draw. */
if (info.indexed) {
unsigned max_count = u_vbuf_draw_max_vertex_count(r300->vbuf_mgr);
if (!max_count) {
fprintf(stderr, "r300: Skipping a draw command. There is a buffer "
" which is too small to be used for rendering.\n");
goto done;
}
if (max_count == ~0) {
/* There are no per-vertex vertex elements. Use the hardware maximum. */
max_count = 0xffffff;
}
info.max_index = max_count - 1;
info.start += r300->vbuf_mgr->index_buffer.offset / r300->vbuf_mgr->index_buffer.index_size;
if (info.instance_count <= 1) {
if (info.count <= 8 &&
r300_resource(r300->vbuf_mgr->index_buffer.buffer)->b.user_ptr) {
r300_draw_elements_immediate(r300, &info);
} else {
r300_draw_elements(r300, &info, -1);
}
} else {
r300_draw_elements_instanced(r300, &info);
}
} else {
if (info.instance_count <= 1) {
if (immd_is_good_idea(r300, info.count)) {
r300_draw_arrays_immediate(r300, &info);
} else {
r300_draw_arrays(r300, &info, -1);
}
} else {
r300_draw_arrays_instanced(r300, &info);
}
}
done:
u_vbuf_draw_end(r300->vbuf_mgr);
}