static enum pipe_error
retry_draw_range_elements( struct svga_context *svga,
struct pipe_resource *index_buffer,
unsigned index_size,
int index_bias,
unsigned min_index,
unsigned max_index,
enum pipe_prim_type prim,
unsigned start,
unsigned count,
unsigned start_instance,
unsigned instance_count,
boolean do_retry )
{
enum pipe_error ret = PIPE_OK;
SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_DRAWELEMENTS);
svga_hwtnl_set_fillmode(svga->hwtnl, svga->curr.rast->hw_fillmode);
ret = svga_update_state( svga, SVGA_STATE_HW_DRAW );
if (ret != PIPE_OK)
goto retry;
/** determine if flatshade is to be used after svga_update_state()
* in case the fragment shader is changed.
*/
svga_hwtnl_set_flatshade(svga->hwtnl,
svga->curr.rast->templ.flatshade ||
svga->state.hw_draw.fs->uses_flat_interp,
svga->curr.rast->templ.flatshade_first);
ret = svga_hwtnl_draw_range_elements( svga->hwtnl,
index_buffer, index_size, index_bias,
min_index, max_index,
prim, start, count,
start_instance, instance_count);
if (ret != PIPE_OK)
goto retry;
goto done;
retry:
svga_context_flush( svga, NULL );
if (do_retry)
{
ret = retry_draw_range_elements(svga,
index_buffer, index_size, index_bias,
min_index, max_index,
prim, start, count,
start_instance, instance_count, FALSE);
}
done:
SVGA_STATS_TIME_POP(svga_sws(svga));
return ret;
}
static enum pipe_error
retry_draw_range_elements( struct svga_context *svga,
struct pipe_resource *index_buffer,
unsigned index_size,
int index_bias,
unsigned min_index,
unsigned max_index,
unsigned prim,
unsigned start,
unsigned count,
unsigned instance_count,
boolean do_retry )
{
enum pipe_error ret = PIPE_OK;
svga_hwtnl_set_unfilled( svga->hwtnl,
svga->curr.rast->hw_unfilled );
svga_hwtnl_set_flatshade( svga->hwtnl,
svga->curr.rast->templ.flatshade,
svga->curr.rast->templ.flatshade_first );
ret = svga_upload_user_buffers( svga, min_index + index_bias,
max_index - min_index + 1, instance_count );
if (ret != PIPE_OK)
goto retry;
ret = svga_update_state( svga, SVGA_STATE_HW_DRAW );
if (ret != PIPE_OK)
goto retry;
ret = svga_hwtnl_draw_range_elements( svga->hwtnl,
index_buffer, index_size, index_bias,
min_index, max_index,
prim, start, count );
if (ret != PIPE_OK)
goto retry;
return PIPE_OK;
retry:
svga_context_flush( svga, NULL );
if (do_retry)
{
return retry_draw_range_elements( svga,
index_buffer, index_size, index_bias,
min_index, max_index,
prim, start, count,
instance_count, FALSE );
}
return ret;
}
static enum pipe_error
retry_draw_range_elements( struct svga_context *svga,
struct pipe_buffer *index_buffer,
unsigned index_size,
unsigned min_index,
unsigned max_index,
unsigned prim,
unsigned start,
unsigned count,
boolean do_retry )
{
enum pipe_error ret = 0;
svga_hwtnl_set_unfilled( svga->hwtnl,
svga->curr.rast->hw_unfilled );
svga_hwtnl_set_flatshade( svga->hwtnl,
svga->curr.rast->templ.flatshade,
svga->curr.rast->templ.flatshade_first );
ret = svga_update_state( svga, SVGA_STATE_HW_DRAW );
if (ret)
goto retry;
ret = svga_hwtnl_draw_range_elements( svga->hwtnl,
index_buffer, index_size,
min_index, max_index,
prim, start, count, 0 );
if (ret)
goto retry;
if (svga->curr.any_user_vertex_buffers) {
ret = svga_hwtnl_flush( svga->hwtnl );
if (ret)
goto retry;
}
return PIPE_OK;
retry:
svga_context_flush( svga, NULL );
if (do_retry)
{
return retry_draw_range_elements( svga,
index_buffer, index_size,
min_index, max_index,
prim, start, count,
FALSE );
}
return ret;
}
static void
svga_vbuf_render_draw_elements( struct vbuf_render *render,
const ushort *indices,
uint nr_indices)
{
struct svga_vbuf_render *svga_render = svga_vbuf_render(render);
struct svga_context *svga = svga_render->svga;
struct pipe_screen *screen = svga->pipe.screen;
int bias = (svga_render->vbuf_offset - svga_render->vdecl_offset) / svga_render->vertex_size;
boolean ret;
size_t size = 2 * nr_indices;
assert(( svga_render->vbuf_offset - svga_render->vdecl_offset) % svga_render->vertex_size == 0);
if (svga_render->ibuf_size < svga_render->ibuf_offset + size)
pipe_resource_reference(&svga_render->ibuf, NULL);
if (!svga_render->ibuf) {
svga_render->ibuf_size = MAX2(size, svga_render->ibuf_alloc_size);
svga_render->ibuf = pipe_buffer_create(screen,
PIPE_BIND_INDEX_BUFFER,
PIPE_USAGE_STREAM,
svga_render->ibuf_size);
svga_render->ibuf_offset = 0;
}
pipe_buffer_write_nooverlap(&svga->pipe, svga_render->ibuf,
svga_render->ibuf_offset, 2 * nr_indices, indices);
/* off to hardware */
svga_vbuf_submit_state(svga_render);
/* Need to call update_state() again as the draw module may have
* altered some of our state behind our backs. Testcase:
* redbook/polys.c
*/
svga_update_state_retry( svga, SVGA_STATE_HW_DRAW );
ret = svga_hwtnl_draw_range_elements(svga->hwtnl,
svga_render->ibuf,
2,
bias,
svga_render->min_index,
svga_render->max_index,
svga_render->prim,
svga_render->ibuf_offset / 2, nr_indices);
if(ret != PIPE_OK) {
svga_context_flush(svga, NULL);
ret = svga_hwtnl_draw_range_elements(svga->hwtnl,
svga_render->ibuf,
2,
bias,
svga_render->min_index,
svga_render->max_index,
svga_render->prim,
svga_render->ibuf_offset / 2, nr_indices);
svga->swtnl.new_vbuf = TRUE;
assert(ret == PIPE_OK);
}
svga_render->ibuf_offset += size;
}
