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4358 | Serge | 1 | /************************************************************************** |
2 | * |
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3 | * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. |
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4 | * All Rights Reserved. |
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5 | * |
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6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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7 | * copy of this software and associated documentation files (the |
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8 | * "Software"), to deal in the Software without restriction, including |
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9 | * without limitation the rights to use, copy, modify, merge, publish, |
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10 | * distribute, sub license, and/or sell copies of the Software, and to |
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11 | * permit persons to whom the Software is furnished to do so, subject to |
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12 | * the following conditions: |
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13 | * |
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14 | * The above copyright notice and this permission notice (including the |
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15 | * next paragraph) shall be included in all copies or substantial portions |
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16 | * of the Software. |
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17 | * |
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18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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21 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
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22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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25 | * |
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26 | **************************************************************************/ |
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27 | |||
28 | #include "sp_context.h" |
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29 | #include "sp_state.h" |
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30 | #include "sp_fs.h" |
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31 | #include "sp_texture.h" |
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32 | |||
33 | #include "pipe/p_defines.h" |
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34 | #include "util/u_memory.h" |
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35 | #include "util/u_inlines.h" |
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36 | #include "util/u_pstipple.h" |
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37 | #include "draw/draw_context.h" |
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38 | #include "draw/draw_vs.h" |
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39 | #include "draw/draw_gs.h" |
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40 | #include "tgsi/tgsi_dump.h" |
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41 | #include "tgsi/tgsi_scan.h" |
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42 | #include "tgsi/tgsi_parse.h" |
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43 | |||
44 | |||
45 | /** |
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46 | * Create a new fragment shader variant. |
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47 | */ |
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48 | static struct sp_fragment_shader_variant * |
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49 | create_fs_variant(struct softpipe_context *softpipe, |
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50 | struct sp_fragment_shader *fs, |
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51 | const struct sp_fragment_shader_variant_key *key) |
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52 | { |
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53 | struct sp_fragment_shader_variant *var; |
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54 | struct pipe_shader_state *stipple_fs = NULL, *curfs = &fs->shader; |
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55 | unsigned unit = 0; |
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56 | |||
57 | #if DO_PSTIPPLE_IN_HELPER_MODULE |
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58 | if (key->polygon_stipple) { |
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59 | /* get new shader that implements polygon stippling */ |
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60 | stipple_fs = util_pstipple_create_fragment_shader(&softpipe->pipe, |
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61 | curfs, &unit); |
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62 | curfs = stipple_fs; |
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63 | } |
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64 | #endif |
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65 | |||
66 | /* codegen, create variant object */ |
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67 | var = softpipe_create_fs_variant_exec(softpipe, curfs); |
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68 | |||
69 | if (var) { |
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70 | var->key = *key; |
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71 | var->tokens = tgsi_dup_tokens(curfs->tokens); |
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72 | var->stipple_sampler_unit = unit; |
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73 | |||
74 | tgsi_scan_shader(var->tokens, &var->info); |
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75 | |||
76 | /* See comments elsewhere about draw fragment shaders */ |
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77 | #if 0 |
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78 | /* draw's fs state */ |
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79 | var->draw_shader = draw_create_fragment_shader(softpipe->draw, |
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80 | &fs->shader); |
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81 | if (!var->draw_shader) { |
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82 | var->delete(var); |
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83 | FREE((void *) var->tokens); |
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84 | return NULL; |
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85 | } |
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86 | #endif |
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87 | |||
88 | /* insert variant into linked list */ |
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89 | var->next = fs->variants; |
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90 | fs->variants = var; |
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91 | } |
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92 | |||
93 | if (stipple_fs) { |
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94 | FREE((void *) stipple_fs->tokens); |
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95 | FREE(stipple_fs); |
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96 | } |
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97 | |||
98 | return var; |
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99 | } |
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100 | |||
101 | |||
102 | struct sp_fragment_shader_variant * |
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103 | softpipe_find_fs_variant(struct softpipe_context *sp, |
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104 | struct sp_fragment_shader *fs, |
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105 | const struct sp_fragment_shader_variant_key *key) |
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106 | { |
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107 | struct sp_fragment_shader_variant *var; |
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108 | |||
109 | for (var = fs->variants; var; var = var->next) { |
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110 | if (memcmp(&var->key, key, sizeof(*key)) == 0) { |
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111 | /* found it */ |
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112 | return var; |
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113 | } |
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114 | } |
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115 | |||
116 | return create_fs_variant(sp, fs, key); |
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117 | } |
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118 | |||
119 | |||
120 | static void * |
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121 | softpipe_create_fs_state(struct pipe_context *pipe, |
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122 | const struct pipe_shader_state *templ) |
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123 | { |
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124 | struct softpipe_context *softpipe = softpipe_context(pipe); |
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125 | struct sp_fragment_shader *state = CALLOC_STRUCT(sp_fragment_shader); |
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126 | |||
127 | /* debug */ |
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128 | if (softpipe->dump_fs) |
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129 | tgsi_dump(templ->tokens, 0); |
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130 | |||
131 | /* we need to keep a local copy of the tokens */ |
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132 | state->shader.tokens = tgsi_dup_tokens(templ->tokens); |
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133 | |||
134 | /* draw's fs state */ |
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135 | state->draw_shader = draw_create_fragment_shader(softpipe->draw, |
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136 | &state->shader); |
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137 | if (!state->draw_shader) { |
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138 | FREE((void *) state->shader.tokens); |
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139 | FREE(state); |
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140 | return NULL; |
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141 | } |
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142 | |||
143 | return state; |
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144 | } |
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145 | |||
146 | |||
147 | static void |
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148 | softpipe_bind_fs_state(struct pipe_context *pipe, void *fs) |
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149 | { |
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150 | struct softpipe_context *softpipe = softpipe_context(pipe); |
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151 | struct sp_fragment_shader *state = (struct sp_fragment_shader *) fs; |
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152 | |||
153 | if (softpipe->fs == fs) |
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154 | return; |
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155 | |||
156 | draw_flush(softpipe->draw); |
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157 | |||
158 | softpipe->fs = fs; |
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159 | |||
160 | /* This depends on the current fragment shader and must always be |
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161 | * re-validated before use. |
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162 | */ |
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163 | softpipe->fs_variant = NULL; |
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164 | |||
165 | if (state) |
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166 | draw_bind_fragment_shader(softpipe->draw, |
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167 | state->draw_shader); |
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168 | else |
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169 | draw_bind_fragment_shader(softpipe->draw, NULL); |
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170 | |||
171 | softpipe->dirty |= SP_NEW_FS; |
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172 | } |
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173 | |||
174 | |||
175 | static void |
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176 | softpipe_delete_fs_state(struct pipe_context *pipe, void *fs) |
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177 | { |
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178 | struct softpipe_context *softpipe = softpipe_context(pipe); |
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179 | struct sp_fragment_shader *state = fs; |
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180 | struct sp_fragment_shader_variant *var, *next_var; |
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181 | |||
182 | assert(fs != softpipe->fs); |
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183 | |||
184 | /* delete variants */ |
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185 | for (var = state->variants; var; var = next_var) { |
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186 | next_var = var->next; |
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187 | |||
188 | assert(var != softpipe->fs_variant); |
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189 | |||
190 | /* See comments elsewhere about draw fragment shaders */ |
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191 | #if 0 |
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192 | draw_delete_fragment_shader(softpipe->draw, var->draw_shader); |
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193 | #endif |
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194 | |||
195 | var->delete(var, softpipe->fs_machine); |
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196 | } |
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197 | |||
198 | draw_delete_fragment_shader(softpipe->draw, state->draw_shader); |
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199 | |||
200 | FREE((void *) state->shader.tokens); |
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201 | FREE(state); |
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202 | } |
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203 | |||
204 | |||
205 | static void * |
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206 | softpipe_create_vs_state(struct pipe_context *pipe, |
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207 | const struct pipe_shader_state *templ) |
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208 | { |
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209 | struct softpipe_context *softpipe = softpipe_context(pipe); |
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210 | struct sp_vertex_shader *state; |
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211 | |||
212 | state = CALLOC_STRUCT(sp_vertex_shader); |
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213 | if (state == NULL ) |
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214 | goto fail; |
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215 | |||
216 | /* copy shader tokens, the ones passed in will go away. |
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217 | */ |
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218 | state->shader.tokens = tgsi_dup_tokens(templ->tokens); |
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219 | if (state->shader.tokens == NULL) |
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220 | goto fail; |
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221 | |||
222 | state->draw_data = draw_create_vertex_shader(softpipe->draw, templ); |
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223 | if (state->draw_data == NULL) |
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224 | goto fail; |
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225 | |||
226 | state->max_sampler = state->draw_data->info.file_max[TGSI_FILE_SAMPLER]; |
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227 | |||
228 | return state; |
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229 | |||
230 | fail: |
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231 | if (state) { |
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232 | FREE( (void *)state->shader.tokens ); |
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233 | FREE( state->draw_data ); |
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234 | FREE( state ); |
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235 | } |
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236 | return NULL; |
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237 | } |
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238 | |||
239 | |||
240 | static void |
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241 | softpipe_bind_vs_state(struct pipe_context *pipe, void *vs) |
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242 | { |
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243 | struct softpipe_context *softpipe = softpipe_context(pipe); |
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244 | |||
245 | softpipe->vs = (struct sp_vertex_shader *) vs; |
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246 | |||
247 | draw_bind_vertex_shader(softpipe->draw, |
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248 | (softpipe->vs ? softpipe->vs->draw_data : NULL)); |
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249 | |||
250 | softpipe->dirty |= SP_NEW_VS; |
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251 | } |
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252 | |||
253 | |||
254 | static void |
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255 | softpipe_delete_vs_state(struct pipe_context *pipe, void *vs) |
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256 | { |
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257 | struct softpipe_context *softpipe = softpipe_context(pipe); |
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258 | |||
259 | struct sp_vertex_shader *state = (struct sp_vertex_shader *) vs; |
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260 | |||
261 | draw_delete_vertex_shader(softpipe->draw, state->draw_data); |
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262 | FREE( (void *)state->shader.tokens ); |
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263 | FREE( state ); |
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264 | } |
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265 | |||
266 | |||
267 | static void * |
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268 | softpipe_create_gs_state(struct pipe_context *pipe, |
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269 | const struct pipe_shader_state *templ) |
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270 | { |
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271 | struct softpipe_context *softpipe = softpipe_context(pipe); |
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272 | struct sp_geometry_shader *state; |
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273 | |||
274 | state = CALLOC_STRUCT(sp_geometry_shader); |
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275 | if (state == NULL ) |
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276 | goto fail; |
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277 | |||
278 | state->shader = *templ; |
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279 | |||
280 | if (templ->tokens) { |
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281 | /* debug */ |
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282 | if (softpipe->dump_gs) |
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283 | tgsi_dump(templ->tokens, 0); |
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284 | |||
285 | /* copy shader tokens, the ones passed in will go away. |
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286 | */ |
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287 | state->shader.tokens = tgsi_dup_tokens(templ->tokens); |
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288 | if (state->shader.tokens == NULL) |
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289 | goto fail; |
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290 | |||
291 | state->draw_data = draw_create_geometry_shader(softpipe->draw, templ); |
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292 | if (state->draw_data == NULL) |
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293 | goto fail; |
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294 | |||
295 | state->max_sampler = state->draw_data->info.file_max[TGSI_FILE_SAMPLER]; |
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296 | } |
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297 | |||
298 | return state; |
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299 | |||
300 | fail: |
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301 | if (state) { |
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302 | FREE( (void *)state->shader.tokens ); |
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303 | FREE( state->draw_data ); |
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304 | FREE( state ); |
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305 | } |
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306 | return NULL; |
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307 | } |
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308 | |||
309 | |||
310 | static void |
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311 | softpipe_bind_gs_state(struct pipe_context *pipe, void *gs) |
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312 | { |
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313 | struct softpipe_context *softpipe = softpipe_context(pipe); |
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314 | |||
315 | softpipe->gs = (struct sp_geometry_shader *)gs; |
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316 | |||
317 | draw_bind_geometry_shader(softpipe->draw, |
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318 | (softpipe->gs ? softpipe->gs->draw_data : NULL)); |
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319 | |||
320 | softpipe->dirty |= SP_NEW_GS; |
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321 | } |
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322 | |||
323 | |||
324 | static void |
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325 | softpipe_delete_gs_state(struct pipe_context *pipe, void *gs) |
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326 | { |
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327 | struct softpipe_context *softpipe = softpipe_context(pipe); |
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328 | |||
329 | struct sp_geometry_shader *state = |
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330 | (struct sp_geometry_shader *)gs; |
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331 | |||
332 | draw_delete_geometry_shader(softpipe->draw, |
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333 | (state) ? state->draw_data : 0); |
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334 | |||
335 | FREE((void *) state->shader.tokens); |
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336 | FREE(state); |
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337 | } |
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338 | |||
339 | |||
340 | static void |
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341 | softpipe_set_constant_buffer(struct pipe_context *pipe, |
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342 | uint shader, uint index, |
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343 | struct pipe_constant_buffer *cb) |
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344 | { |
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345 | struct softpipe_context *softpipe = softpipe_context(pipe); |
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346 | struct pipe_resource *constants = cb ? cb->buffer : NULL; |
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347 | unsigned size; |
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348 | const void *data; |
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349 | |||
350 | if (cb && cb->user_buffer) { |
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351 | constants = softpipe_user_buffer_create(pipe->screen, |
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352 | (void *) cb->user_buffer, |
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353 | cb->buffer_size, |
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354 | PIPE_BIND_CONSTANT_BUFFER); |
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355 | } |
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356 | |||
357 | size = constants ? constants->width0 : 0; |
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358 | data = constants ? softpipe_resource(constants)->data : NULL; |
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359 | |||
360 | assert(shader < PIPE_SHADER_TYPES); |
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361 | |||
362 | draw_flush(softpipe->draw); |
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363 | |||
364 | /* note: reference counting */ |
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365 | pipe_resource_reference(&softpipe->constants[shader][index], constants); |
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366 | |||
367 | if (shader == PIPE_SHADER_VERTEX || shader == PIPE_SHADER_GEOMETRY) { |
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368 | draw_set_mapped_constant_buffer(softpipe->draw, shader, index, data, size); |
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369 | } |
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370 | |||
371 | softpipe->mapped_constants[shader][index] = data; |
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372 | softpipe->const_buffer_size[shader][index] = size; |
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373 | |||
374 | softpipe->dirty |= SP_NEW_CONSTANTS; |
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375 | |||
376 | if (cb && cb->user_buffer) { |
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377 | pipe_resource_reference(&constants, NULL); |
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378 | } |
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379 | } |
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380 | |||
381 | |||
382 | void |
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383 | softpipe_init_shader_funcs(struct pipe_context *pipe) |
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384 | { |
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385 | pipe->create_fs_state = softpipe_create_fs_state; |
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386 | pipe->bind_fs_state = softpipe_bind_fs_state; |
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387 | pipe->delete_fs_state = softpipe_delete_fs_state; |
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388 | |||
389 | pipe->create_vs_state = softpipe_create_vs_state; |
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390 | pipe->bind_vs_state = softpipe_bind_vs_state; |
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391 | pipe->delete_vs_state = softpipe_delete_vs_state; |
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392 | |||
393 | pipe->create_gs_state = softpipe_create_gs_state; |
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394 | pipe->bind_gs_state = softpipe_bind_gs_state; |
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395 | pipe->delete_gs_state = softpipe_delete_gs_state; |
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396 | |||
397 | pipe->set_constant_buffer = softpipe_set_constant_buffer; |
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398 | }> |