Brian Paul | 7ce20cf | 2015-08-07 15:21:29 -0600 | [diff] [blame] | 1 | /********************************************************** |
| 2 | * Copyright 2014 VMware, Inc. All rights reserved. |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person |
| 5 | * obtaining a copy of this software and associated documentation |
| 6 | * files (the "Software"), to deal in the Software without |
| 7 | * restriction, including without limitation the rights to use, copy, |
| 8 | * modify, merge, publish, distribute, sublicense, and/or sell copies |
| 9 | * of the Software, and to permit persons to whom the Software is |
| 10 | * furnished to do so, subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice and this permission notice shall be |
| 13 | * included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 16 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 17 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 18 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 19 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 20 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 21 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | * |
| 24 | **********************************************************/ |
| 25 | |
| 26 | #include "draw/draw_context.h" |
| 27 | #include "util/u_inlines.h" |
| 28 | #include "util/u_memory.h" |
| 29 | #include "util/u_bitmask.h" |
| 30 | #include "tgsi/tgsi_parse.h" |
| 31 | #include "tgsi/tgsi_text.h" |
| 32 | |
| 33 | #include "svga_context.h" |
| 34 | #include "svga_cmd.h" |
| 35 | #include "svga_debug.h" |
| 36 | #include "svga_shader.h" |
| 37 | #include "svga_streamout.h" |
| 38 | |
| 39 | static void * |
| 40 | svga_create_gs_state(struct pipe_context *pipe, |
| 41 | const struct pipe_shader_state *templ) |
| 42 | { |
| 43 | struct svga_context *svga = svga_context(pipe); |
| 44 | struct svga_geometry_shader *gs = CALLOC_STRUCT(svga_geometry_shader); |
| 45 | |
| 46 | if (!gs) |
| 47 | return NULL; |
| 48 | |
Charmaine Lee | 2e1cfcc | 2016-08-19 08:49:17 -0600 | [diff] [blame] | 49 | SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_CREATEGS); |
| 50 | |
Brian Paul | 7ce20cf | 2015-08-07 15:21:29 -0600 | [diff] [blame] | 51 | gs->base.tokens = tgsi_dup_tokens(templ->tokens); |
| 52 | |
| 53 | /* Collect basic info that we'll need later: |
| 54 | */ |
| 55 | tgsi_scan_shader(gs->base.tokens, &gs->base.info); |
| 56 | |
| 57 | gs->draw_shader = draw_create_geometry_shader(svga->swtnl.draw, templ); |
| 58 | |
| 59 | gs->base.id = svga->debug.shader_id++; |
| 60 | |
| 61 | gs->generic_outputs = svga_get_generic_outputs_mask(&gs->base.info); |
| 62 | |
| 63 | /* check for any stream output declarations */ |
| 64 | if (templ->stream_output.num_outputs) { |
| 65 | gs->base.stream_output = svga_create_stream_output(svga, &gs->base, |
| 66 | &templ->stream_output); |
| 67 | } |
| 68 | |
Charmaine Lee | 2e1cfcc | 2016-08-19 08:49:17 -0600 | [diff] [blame] | 69 | SVGA_STATS_TIME_POP(svga_sws(svga)); |
Brian Paul | 7ce20cf | 2015-08-07 15:21:29 -0600 | [diff] [blame] | 70 | return gs; |
| 71 | } |
| 72 | |
| 73 | |
| 74 | static void |
| 75 | svga_bind_gs_state(struct pipe_context *pipe, void *shader) |
| 76 | { |
| 77 | struct svga_geometry_shader *gs = (struct svga_geometry_shader *)shader; |
| 78 | struct svga_context *svga = svga_context(pipe); |
| 79 | |
| 80 | svga->curr.user_gs = gs; |
| 81 | svga->dirty |= SVGA_NEW_GS; |
| 82 | } |
| 83 | |
| 84 | |
| 85 | static void |
| 86 | svga_delete_gs_state(struct pipe_context *pipe, void *shader) |
| 87 | { |
| 88 | struct svga_context *svga = svga_context(pipe); |
| 89 | struct svga_geometry_shader *gs = (struct svga_geometry_shader *)shader; |
Brian Paul | e054251 | 2015-08-13 11:00:58 -0700 | [diff] [blame] | 90 | struct svga_geometry_shader *next_gs; |
Brian Paul | 7ce20cf | 2015-08-07 15:21:29 -0600 | [diff] [blame] | 91 | struct svga_shader_variant *variant, *tmp; |
| 92 | enum pipe_error ret; |
| 93 | |
| 94 | svga_hwtnl_flush_retry(svga); |
| 95 | |
| 96 | /* Start deletion from the original geometry shader state */ |
| 97 | if (gs->base.parent != NULL) |
| 98 | gs = (struct svga_geometry_shader *)gs->base.parent; |
| 99 | |
| 100 | /* Free the list of geometry shaders */ |
| 101 | while (gs) { |
Brian Paul | e054251 | 2015-08-13 11:00:58 -0700 | [diff] [blame] | 102 | next_gs = (struct svga_geometry_shader *)gs->base.next; |
Brian Paul | 7ce20cf | 2015-08-07 15:21:29 -0600 | [diff] [blame] | 103 | |
Brian Paul | e054251 | 2015-08-13 11:00:58 -0700 | [diff] [blame] | 104 | if (gs->base.stream_output != NULL) |
Brian Paul | 7ce20cf | 2015-08-07 15:21:29 -0600 | [diff] [blame] | 105 | svga_delete_stream_output(svga, gs->base.stream_output); |
| 106 | |
| 107 | draw_delete_geometry_shader(svga->swtnl.draw, gs->draw_shader); |
| 108 | |
| 109 | for (variant = gs->base.variants; variant; variant = tmp) { |
| 110 | tmp = variant->next; |
| 111 | |
| 112 | /* Check if deleting currently bound shader */ |
| 113 | if (variant == svga->state.hw_draw.gs) { |
| 114 | ret = svga_set_shader(svga, SVGA3D_SHADERTYPE_GS, NULL); |
| 115 | if (ret != PIPE_OK) { |
| 116 | svga_context_flush(svga, NULL); |
| 117 | ret = svga_set_shader(svga, SVGA3D_SHADERTYPE_GS, NULL); |
| 118 | assert(ret == PIPE_OK); |
| 119 | } |
| 120 | svga->state.hw_draw.gs = NULL; |
| 121 | } |
| 122 | |
| 123 | ret = svga_destroy_shader_variant(svga, SVGA3D_SHADERTYPE_GS, variant); |
| 124 | if (ret != PIPE_OK) { |
| 125 | svga_context_flush(svga, NULL); |
| 126 | ret = svga_destroy_shader_variant(svga, SVGA3D_SHADERTYPE_GS, |
| 127 | variant); |
| 128 | assert(ret == PIPE_OK); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | FREE((void *)gs->base.tokens); |
| 133 | FREE(gs); |
| 134 | gs = next_gs; |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | |
| 139 | void |
| 140 | svga_init_gs_functions(struct svga_context *svga) |
| 141 | { |
| 142 | svga->pipe.create_gs_state = svga_create_gs_state; |
| 143 | svga->pipe.bind_gs_state = svga_bind_gs_state; |
| 144 | svga->pipe.delete_gs_state = svga_delete_gs_state; |
| 145 | } |