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; }