diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_pipe_draw.c')
-rw-r--r-- | src/gallium/drivers/svga/svga_pipe_draw.c | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_pipe_draw.c b/src/gallium/drivers/svga/svga_pipe_draw.c new file mode 100644 index 0000000000..71a552862e --- /dev/null +++ b/src/gallium/drivers/svga/svga_pipe_draw.c @@ -0,0 +1,261 @@ +/********************************************************** + * 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 boolean +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 TRUE; + + /* + * 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 0; +#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); + } + + return ret == PIPE_OK; +} + + +static boolean +svga_draw_elements( struct pipe_context *pipe, + struct pipe_buffer *index_buffer, + unsigned index_size, + unsigned prim, unsigned start, unsigned count) +{ + return svga_draw_range_elements( pipe, index_buffer, + index_size, + 0, 0xffffffff, + prim, start, count ); +} + +static boolean +svga_draw_arrays( struct pipe_context *pipe, + unsigned prim, unsigned start, unsigned count) +{ + return 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; +} |