| /********************************************************** |
| * Copyright 2008-2009 VMware, Inc. All rights reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person |
| * obtaining a copy of this software and associated documentation |
| * files (the "Software"), to deal in the Software without |
| * restriction, including without limitation the rights to use, copy, |
| * modify, merge, publish, distribute, sublicense, and/or sell copies |
| * of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| **********************************************************/ |
| |
| #include "svga_cmd.h" |
| |
| #include "pipe/p_inlines.h" |
| #include "util/u_prim.h" |
| #include "util/u_time.h" |
| #include "indices/u_indices.h" |
| |
| #include "svga_hw_reg.h" |
| #include "svga_context.h" |
| #include "svga_screen.h" |
| #include "svga_winsys.h" |
| #include "svga_draw.h" |
| #include "svga_state.h" |
| #include "svga_swtnl.h" |
| #include "svga_debug.h" |
| |
| |
| |
| 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 enum pipe_error |
| retry_draw_arrays( struct svga_context *svga, |
| unsigned prim, |
| unsigned start, |
| unsigned count, |
| boolean do_retry ) |
| { |
| enum pipe_error ret; |
| |
| 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_arrays( svga->hwtnl, prim, |
| start, count ); |
| if (ret) |
| goto retry; |
| |
| if (svga->curr.any_user_vertex_buffers) { |
| ret = svga_hwtnl_flush( svga->hwtnl ); |
| if (ret) |
| goto retry; |
| } |
| |
| return 0; |
| |
| retry: |
| if (ret == PIPE_ERROR_OUT_OF_MEMORY && do_retry) |
| { |
| svga_context_flush( svga, NULL ); |
| |
| return retry_draw_arrays( svga, |
| prim, |
| start, |
| count, |
| FALSE ); |
| } |
| |
| return ret; |
| } |
| |
| |
| |
| |
| |
| static void |
| svga_draw_range_elements( struct pipe_context *pipe, |
| struct pipe_buffer *index_buffer, |
| unsigned index_size, |
| unsigned min_index, |
| unsigned max_index, |
| unsigned prim, unsigned start, unsigned count) |
| { |
| struct svga_context *svga = svga_context( pipe ); |
| unsigned reduced_prim = u_reduced_prim(prim); |
| enum pipe_error ret = 0; |
| |
| if (!u_trim_pipe_prim( prim, &count )) |
| return; |
| |
| /* |
| * Mark currently bound target surfaces as dirty |
| * doesn't really matter if it is done before drawing. |
| * |
| * TODO If we ever normaly return something other then |
| * true we should not mark it as dirty then. |
| */ |
| svga_mark_surfaces_dirty(svga_context(pipe)); |
| |
| if (svga->curr.reduced_prim != reduced_prim) { |
| svga->curr.reduced_prim = reduced_prim; |
| svga->dirty |= SVGA_NEW_REDUCED_PRIMITIVE; |
| } |
| |
| svga_update_state_retry( svga, SVGA_STATE_NEED_SWTNL ); |
| |
| #ifdef DEBUG |
| if (svga->curr.vs->base.id == svga->debug.disable_shader || |
| svga->curr.fs->base.id == svga->debug.disable_shader) |
| return; |
| #endif |
| |
| if (svga->state.sw.need_swtnl) |
| { |
| ret = svga_swtnl_draw_range_elements( svga, |
| index_buffer, |
| index_size, |
| min_index, max_index, |
| prim, |
| start, count ); |
| } |
| else { |
| if (index_buffer) { |
| ret = retry_draw_range_elements( svga, |
| index_buffer, |
| index_size, |
| min_index, |
| max_index, |
| prim, |
| start, |
| count, |
| TRUE ); |
| } |
| else { |
| ret = retry_draw_arrays( svga, |
| prim, |
| start, |
| count, |
| TRUE ); |
| } |
| } |
| |
| if (SVGA_DEBUG & DEBUG_FLUSH) { |
| static unsigned id; |
| debug_printf("%s %d\n", __FUNCTION__, id++); |
| if (id > 1300) |
| util_time_sleep( 2000 ); |
| |
| svga_hwtnl_flush_retry( svga ); |
| svga_context_flush(svga, NULL); |
| } |
| } |
| |
| |
| static void |
| svga_draw_elements( struct pipe_context *pipe, |
| struct pipe_buffer *index_buffer, |
| unsigned index_size, |
| unsigned prim, unsigned start, unsigned count) |
| { |
| svga_draw_range_elements( pipe, index_buffer, |
| index_size, |
| 0, 0xffffffff, |
| prim, start, count ); |
| } |
| |
| static void |
| svga_draw_arrays( struct pipe_context *pipe, |
| unsigned prim, unsigned start, unsigned count) |
| { |
| svga_draw_range_elements(pipe, NULL, 0, |
| start, start + count - 1, |
| prim, |
| start, count); |
| } |
| |
| |
| void svga_init_draw_functions( struct svga_context *svga ) |
| { |
| svga->pipe.draw_arrays = svga_draw_arrays; |
| svga->pipe.draw_elements = svga_draw_elements; |
| svga->pipe.draw_range_elements = svga_draw_range_elements; |
| } |