| /********************************************************** |
| * Copyright 2014 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 "draw/draw_context.h" |
| #include "util/u_inlines.h" |
| #include "util/u_memory.h" |
| #include "util/u_bitmask.h" |
| #include "tgsi/tgsi_parse.h" |
| #include "tgsi/tgsi_text.h" |
| |
| #include "svga_context.h" |
| #include "svga_cmd.h" |
| #include "svga_debug.h" |
| #include "svga_shader.h" |
| #include "svga_streamout.h" |
| |
| static void * |
| svga_create_gs_state(struct pipe_context *pipe, |
| const struct pipe_shader_state *templ) |
| { |
| struct svga_context *svga = svga_context(pipe); |
| struct svga_geometry_shader *gs = CALLOC_STRUCT(svga_geometry_shader); |
| |
| if (!gs) |
| return NULL; |
| |
| SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_CREATEGS); |
| |
| gs->base.tokens = tgsi_dup_tokens(templ->tokens); |
| |
| /* Collect basic info that we'll need later: |
| */ |
| tgsi_scan_shader(gs->base.tokens, &gs->base.info); |
| |
| gs->draw_shader = draw_create_geometry_shader(svga->swtnl.draw, templ); |
| |
| gs->base.id = svga->debug.shader_id++; |
| |
| gs->generic_outputs = svga_get_generic_outputs_mask(&gs->base.info); |
| |
| /* check for any stream output declarations */ |
| if (templ->stream_output.num_outputs) { |
| gs->base.stream_output = svga_create_stream_output(svga, &gs->base, |
| &templ->stream_output); |
| } |
| |
| SVGA_STATS_TIME_POP(svga_sws(svga)); |
| return gs; |
| } |
| |
| |
| static void |
| svga_bind_gs_state(struct pipe_context *pipe, void *shader) |
| { |
| struct svga_geometry_shader *gs = (struct svga_geometry_shader *)shader; |
| struct svga_context *svga = svga_context(pipe); |
| |
| svga->curr.user_gs = gs; |
| svga->dirty |= SVGA_NEW_GS; |
| } |
| |
| |
| static void |
| svga_delete_gs_state(struct pipe_context *pipe, void *shader) |
| { |
| struct svga_context *svga = svga_context(pipe); |
| struct svga_geometry_shader *gs = (struct svga_geometry_shader *)shader; |
| struct svga_geometry_shader *next_gs; |
| struct svga_shader_variant *variant, *tmp; |
| enum pipe_error ret; |
| |
| svga_hwtnl_flush_retry(svga); |
| |
| /* Start deletion from the original geometry shader state */ |
| if (gs->base.parent != NULL) |
| gs = (struct svga_geometry_shader *)gs->base.parent; |
| |
| /* Free the list of geometry shaders */ |
| while (gs) { |
| next_gs = (struct svga_geometry_shader *)gs->base.next; |
| |
| if (gs->base.stream_output != NULL) |
| svga_delete_stream_output(svga, gs->base.stream_output); |
| |
| draw_delete_geometry_shader(svga->swtnl.draw, gs->draw_shader); |
| |
| for (variant = gs->base.variants; variant; variant = tmp) { |
| tmp = variant->next; |
| |
| /* Check if deleting currently bound shader */ |
| if (variant == svga->state.hw_draw.gs) { |
| ret = svga_set_shader(svga, SVGA3D_SHADERTYPE_GS, NULL); |
| if (ret != PIPE_OK) { |
| svga_context_flush(svga, NULL); |
| ret = svga_set_shader(svga, SVGA3D_SHADERTYPE_GS, NULL); |
| assert(ret == PIPE_OK); |
| } |
| svga->state.hw_draw.gs = NULL; |
| } |
| |
| ret = svga_destroy_shader_variant(svga, SVGA3D_SHADERTYPE_GS, variant); |
| if (ret != PIPE_OK) { |
| svga_context_flush(svga, NULL); |
| ret = svga_destroy_shader_variant(svga, SVGA3D_SHADERTYPE_GS, |
| variant); |
| assert(ret == PIPE_OK); |
| } |
| } |
| |
| FREE((void *)gs->base.tokens); |
| FREE(gs); |
| gs = next_gs; |
| } |
| } |
| |
| |
| void |
| svga_init_gs_functions(struct svga_context *svga) |
| { |
| svga->pipe.create_gs_state = svga_create_gs_state; |
| svga->pipe.bind_gs_state = svga_bind_gs_state; |
| svga->pipe.delete_gs_state = svga_delete_gs_state; |
| } |