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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5564 | serge | 1 | /********************************************************** |
| 2 | * Copyright 2008-2012 VMware, Inc. All rights reserved. |
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| 3 | * |
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| 4 | * Permission is hereby granted, free of charge, to any person |
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| 5 | * obtaining a copy of this software and associated documentation |
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| 6 | * files (the "Software"), to deal in the Software without |
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| 7 | * restriction, including without limitation the rights to use, copy, |
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| 8 | * modify, merge, publish, distribute, sublicense, and/or sell copies |
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| 9 | * of the Software, and to permit persons to whom the Software is |
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| 10 | * furnished to do so, subject to the following conditions: |
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| 11 | * |
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| 12 | * The above copyright notice and this permission notice shall be |
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| 13 | * included in all copies or substantial portions of the Software. |
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| 14 | * |
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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| 16 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 17 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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| 18 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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| 19 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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| 20 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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| 21 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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| 22 | * SOFTWARE. |
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| 23 | * |
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| 24 | **********************************************************/ |
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| 25 | |||
| 26 | #include "util/u_bitmask.h" |
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| 27 | #include "util/u_memory.h" |
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| 28 | #include "svga_context.h" |
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| 29 | #include "svga_cmd.h" |
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| 30 | #include "svga_shader.h" |
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| 31 | |||
| 32 | |||
| 33 | |||
| 34 | /** |
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| 35 | * Issue the SVGA3D commands to define a new shader. |
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| 36 | * \param result contains the shader tokens, etc. The result->id field will |
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| 37 | * be set here. |
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| 38 | */ |
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| 39 | enum pipe_error |
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| 40 | svga_define_shader(struct svga_context *svga, |
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| 41 | SVGA3dShaderType type, |
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| 42 | struct svga_shader_variant *variant) |
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| 43 | { |
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| 44 | unsigned codeLen = variant->nr_tokens * sizeof(variant->tokens[0]); |
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| 45 | |||
| 46 | if (svga_have_gb_objects(svga)) { |
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| 47 | struct svga_winsys_screen *sws = svga_screen(svga->pipe.screen)->sws; |
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| 48 | enum pipe_error ret; |
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| 49 | |||
| 50 | variant->gb_shader = sws->shader_create(sws, type, |
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| 51 | variant->tokens, codeLen); |
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| 52 | if (!variant->gb_shader) |
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| 53 | return PIPE_ERROR_OUT_OF_MEMORY; |
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| 54 | |||
| 55 | ret = SVGA3D_BindGBShader(svga->swc, variant->gb_shader); |
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| 56 | if (ret != PIPE_OK) { |
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| 57 | sws->shader_destroy(sws, variant->gb_shader); |
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| 58 | variant->gb_shader = NULL; |
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| 59 | } |
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| 60 | |||
| 61 | return ret; |
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| 62 | } |
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| 63 | else { |
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| 64 | enum pipe_error ret; |
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| 65 | |||
| 66 | /* Allocate an integer ID for the shader */ |
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| 67 | variant->id = util_bitmask_add(svga->shader_id_bm); |
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| 68 | if (variant->id == UTIL_BITMASK_INVALID_INDEX) { |
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| 69 | return PIPE_ERROR_OUT_OF_MEMORY; |
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| 70 | } |
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| 71 | |||
| 72 | /* Issue SVGA3D device command to define the shader */ |
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| 73 | ret = SVGA3D_DefineShader(svga->swc, |
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| 74 | variant->id, |
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| 75 | type, |
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| 76 | variant->tokens, |
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| 77 | codeLen); |
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| 78 | if (ret != PIPE_OK) { |
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| 79 | /* free the ID */ |
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| 80 | assert(variant->id != UTIL_BITMASK_INVALID_INDEX); |
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| 81 | util_bitmask_clear(svga->shader_id_bm, variant->id); |
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| 82 | variant->id = UTIL_BITMASK_INVALID_INDEX; |
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| 83 | return ret; |
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| 84 | } |
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| 85 | } |
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| 86 | |||
| 87 | return PIPE_OK; |
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| 88 | } |
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| 89 | |||
| 90 | |||
| 91 | |||
| 92 | enum pipe_error |
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| 93 | svga_destroy_shader_variant(struct svga_context *svga, |
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| 94 | SVGA3dShaderType type, |
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| 95 | struct svga_shader_variant *variant) |
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| 96 | { |
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| 97 | enum pipe_error ret = PIPE_OK; |
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| 98 | |||
| 99 | if (svga_have_gb_objects(svga)) { |
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| 100 | struct svga_winsys_screen *sws = svga_screen(svga->pipe.screen)->sws; |
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| 101 | |||
| 102 | sws->shader_destroy(sws, variant->gb_shader); |
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| 103 | variant->gb_shader = NULL; |
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| 104 | goto end; |
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| 105 | } |
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| 106 | |||
| 107 | /* first try */ |
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| 108 | if (variant->id != UTIL_BITMASK_INVALID_INDEX) { |
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| 109 | ret = SVGA3D_DestroyShader(svga->swc, variant->id, type); |
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| 110 | |||
| 111 | if (ret != PIPE_OK) { |
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| 112 | /* flush and try again */ |
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| 113 | svga_context_flush(svga, NULL); |
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| 114 | |||
| 115 | ret = SVGA3D_DestroyShader(svga->swc, variant->id, type); |
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| 116 | assert(ret == PIPE_OK); |
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| 117 | } |
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| 118 | |||
| 119 | util_bitmask_clear(svga->shader_id_bm, variant->id); |
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| 120 | } |
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| 121 | |||
| 122 | end: |
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| 123 | FREE((unsigned *)variant->tokens); |
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| 124 | FREE(variant); |
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| 125 | |||
| 126 | return ret; |
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| 127 | } |