1/************************************************************************** 2 * 3 * Copyright 2009, VMware, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27/* 28 * Author: Keith Whitwell <keithw@vmware.com> 29 * Author: Jakob Bornecrantz <wallbraker@gmail.com> 30 */ 31 32#include "utils.h" 33#include "xmlpool.h" 34 35#include "dri_screen.h" 36 37#include "util/u_inlines.h" 38#include "pipe/p_screen.h" 39#include "pipe/p_format.h" 40#include "state_tracker/st_gl_api.h" /* for st_gl_api_create */ 41 42#include "util/u_debug.h" 43 44#define MSAA_VISUAL_MAX_SAMPLES 8 45 46#undef false 47 48PUBLIC const char __driConfigOptions[] = 49 DRI_CONF_BEGIN 50 DRI_CONF_SECTION_PERFORMANCE 51 DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS) 52 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0) 53 DRI_CONF_SECTION_END 54 55 DRI_CONF_SECTION_QUALITY 56/* DRI_CONF_FORCE_S3TC_ENABLE(false) */ 57 DRI_CONF_ALLOW_LARGE_TEXTURES(1) 58 DRI_CONF_PP_CELSHADE(0) 59 DRI_CONF_PP_NORED(0) 60 DRI_CONF_PP_NOGREEN(0) 61 DRI_CONF_PP_NOBLUE(0) 62 DRI_CONF_PP_JIMENEZMLAA(0, 0, 32) 63 DRI_CONF_PP_JIMENEZMLAA_COLOR(0, 0, 32) 64 DRI_CONF_SECTION_END 65 66 DRI_CONF_SECTION_DEBUG 67 DRI_CONF_FORCE_GLSL_EXTENSIONS_WARN(false) 68 DRI_CONF_SECTION_END 69 70 DRI_CONF_END; 71 72#define false 0 73 74static const uint __driNConfigOptions = 10; 75 76static const __DRIconfig ** 77dri_fill_in_modes(struct dri_screen *screen, 78 unsigned pixel_bits) 79{ 80 __DRIconfig **configs = NULL; 81 __DRIconfig **configs_r5g6b5 = NULL; 82 __DRIconfig **configs_a8r8g8b8 = NULL; 83 __DRIconfig **configs_x8r8g8b8 = NULL; 84 uint8_t depth_bits_array[5]; 85 uint8_t stencil_bits_array[5]; 86 uint8_t msaa_samples_array[MSAA_VISUAL_MAX_SAMPLES]; 87 unsigned depth_buffer_factor; 88 unsigned back_buffer_factor; 89 unsigned msaa_samples_factor, msaa_samples_max; 90 unsigned i; 91 struct pipe_screen *p_screen = screen->base.screen; 92 boolean pf_r5g6b5, pf_a8r8g8b8, pf_x8r8g8b8; 93 boolean pf_z16, pf_x8z24, pf_z24x8, pf_s8z24, pf_z24s8, pf_z32; 94 95 static const GLenum back_buffer_modes[] = { 96 GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML 97 }; 98 99 depth_bits_array[0] = 0; 100 stencil_bits_array[0] = 0; 101 depth_buffer_factor = 1; 102 103 msaa_samples_max = (screen->st_api->feature_mask & ST_API_FEATURE_MS_VISUALS) 104 ? MSAA_VISUAL_MAX_SAMPLES : 1; 105 106 pf_x8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24X8_UNORM, 107 PIPE_TEXTURE_2D, 0, 108 PIPE_BIND_DEPTH_STENCIL); 109 pf_z24x8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_X8Z24_UNORM, 110 PIPE_TEXTURE_2D, 0, 111 PIPE_BIND_DEPTH_STENCIL); 112 pf_s8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24_UNORM_S8_UINT, 113 PIPE_TEXTURE_2D, 0, 114 PIPE_BIND_DEPTH_STENCIL); 115 pf_z24s8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_S8_UINT_Z24_UNORM, 116 PIPE_TEXTURE_2D, 0, 117 PIPE_BIND_DEPTH_STENCIL); 118 pf_a8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8A8_UNORM, 119 PIPE_TEXTURE_2D, 0, 120 PIPE_BIND_RENDER_TARGET); 121 pf_x8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8X8_UNORM, 122 PIPE_TEXTURE_2D, 0, 123 PIPE_BIND_RENDER_TARGET); 124 pf_r5g6b5 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B5G6R5_UNORM, 125 PIPE_TEXTURE_2D, 0, 126 PIPE_BIND_RENDER_TARGET); 127 128 /* We can only get a 16 or 32 bit depth buffer with getBuffersWithFormat */ 129 if (dri_with_format(screen->sPriv)) { 130 pf_z16 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM, 131 PIPE_TEXTURE_2D, 0, 132 PIPE_BIND_DEPTH_STENCIL); 133 pf_z32 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z32_UNORM, 134 PIPE_TEXTURE_2D, 0, 135 PIPE_BIND_DEPTH_STENCIL); 136 } else { 137 pf_z16 = FALSE; 138 pf_z32 = FALSE; 139 } 140 141 if (pf_z16) { 142 depth_bits_array[depth_buffer_factor] = 16; 143 stencil_bits_array[depth_buffer_factor++] = 0; 144 } 145 if (pf_x8z24 || pf_z24x8) { 146 depth_bits_array[depth_buffer_factor] = 24; 147 stencil_bits_array[depth_buffer_factor++] = 0; 148 screen->d_depth_bits_last = pf_x8z24; 149 } 150 if (pf_s8z24 || pf_z24s8) { 151 depth_bits_array[depth_buffer_factor] = 24; 152 stencil_bits_array[depth_buffer_factor++] = 8; 153 screen->sd_depth_bits_last = pf_s8z24; 154 } 155 if (pf_z32) { 156 depth_bits_array[depth_buffer_factor] = 32; 157 stencil_bits_array[depth_buffer_factor++] = 0; 158 } 159 160 msaa_samples_array[0] = 0; 161 back_buffer_factor = 3; 162 163 /* Also test for color multisample support - just assume it'll work 164 * for all depth buffers. 165 */ 166 if (pf_r5g6b5) { 167 msaa_samples_factor = 1; 168 for (i = 2; i <= msaa_samples_max; i++) { 169 if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B5G6R5_UNORM, 170 PIPE_TEXTURE_2D, i, 171 PIPE_BIND_RENDER_TARGET)) { 172 msaa_samples_array[msaa_samples_factor] = i; 173 msaa_samples_factor++; 174 } 175 } 176 177 configs_r5g6b5 = driCreateConfigs(GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 178 depth_bits_array, stencil_bits_array, 179 depth_buffer_factor, back_buffer_modes, 180 back_buffer_factor, 181 msaa_samples_array, msaa_samples_factor, 182 GL_TRUE); 183 } 184 185 if (pf_a8r8g8b8) { 186 msaa_samples_factor = 1; 187 for (i = 2; i <= msaa_samples_max; i++) { 188 if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8A8_UNORM, 189 PIPE_TEXTURE_2D, i, 190 PIPE_BIND_RENDER_TARGET)) { 191 msaa_samples_array[msaa_samples_factor] = i; 192 msaa_samples_factor++; 193 } 194 } 195 196 configs_a8r8g8b8 = driCreateConfigs(GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, 197 depth_bits_array, 198 stencil_bits_array, 199 depth_buffer_factor, 200 back_buffer_modes, 201 back_buffer_factor, 202 msaa_samples_array, 203 msaa_samples_factor, 204 GL_TRUE); 205 } 206 207 if (pf_x8r8g8b8) { 208 msaa_samples_factor = 1; 209 for (i = 2; i <= msaa_samples_max; i++) { 210 if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8X8_UNORM, 211 PIPE_TEXTURE_2D, i, 212 PIPE_BIND_RENDER_TARGET)) { 213 msaa_samples_array[msaa_samples_factor] = i; 214 msaa_samples_factor++; 215 } 216 } 217 218 configs_x8r8g8b8 = driCreateConfigs(GL_BGR, GL_UNSIGNED_INT_8_8_8_8_REV, 219 depth_bits_array, 220 stencil_bits_array, 221 depth_buffer_factor, 222 back_buffer_modes, 223 back_buffer_factor, 224 msaa_samples_array, 225 msaa_samples_factor, 226 GL_TRUE); 227 } 228 229 if (pixel_bits == 16) { 230 configs = configs_r5g6b5; 231 configs = driConcatConfigs(configs, configs_a8r8g8b8); 232 configs = driConcatConfigs(configs, configs_x8r8g8b8); 233 } else { 234 configs = configs_a8r8g8b8; 235 configs = driConcatConfigs(configs, configs_x8r8g8b8); 236 configs = driConcatConfigs(configs, configs_r5g6b5); 237 } 238 239 if (configs == NULL) { 240 debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__); 241 return NULL; 242 } 243 244 return (const __DRIconfig **)configs; 245} 246 247/** 248 * Roughly the converse of dri_fill_in_modes. 249 */ 250void 251dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen, 252 const struct gl_config *mode) 253{ 254 memset(stvis, 0, sizeof(*stvis)); 255 256 if (!mode) 257 return; 258 259 stvis->samples = mode->samples; 260 261 if (mode->redBits == 8) { 262 if (mode->alphaBits == 8) 263 stvis->color_format = PIPE_FORMAT_B8G8R8A8_UNORM; 264 else 265 stvis->color_format = PIPE_FORMAT_B8G8R8X8_UNORM; 266 } else { 267 stvis->color_format = PIPE_FORMAT_B5G6R5_UNORM; 268 } 269 270 switch (mode->depthBits) { 271 default: 272 case 0: 273 stvis->depth_stencil_format = PIPE_FORMAT_NONE; 274 break; 275 case 16: 276 stvis->depth_stencil_format = PIPE_FORMAT_Z16_UNORM; 277 break; 278 case 24: 279 if (mode->stencilBits == 0) { 280 stvis->depth_stencil_format = (screen->d_depth_bits_last) ? 281 PIPE_FORMAT_Z24X8_UNORM: 282 PIPE_FORMAT_X8Z24_UNORM; 283 } else { 284 stvis->depth_stencil_format = (screen->sd_depth_bits_last) ? 285 PIPE_FORMAT_Z24_UNORM_S8_UINT: 286 PIPE_FORMAT_S8_UINT_Z24_UNORM; 287 } 288 break; 289 case 32: 290 stvis->depth_stencil_format = PIPE_FORMAT_Z32_UNORM; 291 break; 292 } 293 294 stvis->accum_format = (mode->haveAccumBuffer) ? 295 PIPE_FORMAT_R16G16B16A16_SNORM : PIPE_FORMAT_NONE; 296 297 stvis->buffer_mask |= ST_ATTACHMENT_FRONT_LEFT_MASK; 298 stvis->render_buffer = ST_ATTACHMENT_FRONT_LEFT; 299 if (mode->doubleBufferMode) { 300 stvis->buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK; 301 stvis->render_buffer = ST_ATTACHMENT_BACK_LEFT; 302 } 303 if (mode->stereoMode) { 304 stvis->buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK; 305 if (mode->doubleBufferMode) 306 stvis->buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK; 307 } 308 309 if (mode->haveDepthBuffer || mode->haveStencilBuffer) 310 stvis->buffer_mask |= ST_ATTACHMENT_DEPTH_STENCIL_MASK; 311 /* let the state tracker allocate the accum buffer */ 312} 313 314static boolean 315dri_get_egl_image(struct st_manager *smapi, 316 void *egl_image, 317 struct st_egl_image *stimg) 318{ 319 struct dri_screen *screen = (struct dri_screen *)smapi; 320 __DRIimage *img = NULL; 321 322 if (screen->lookup_egl_image) { 323 img = screen->lookup_egl_image(screen, egl_image); 324 } 325 326 if (!img) 327 return FALSE; 328 329 stimg->texture = NULL; 330 pipe_resource_reference(&stimg->texture, img->texture); 331 stimg->level = img->level; 332 stimg->layer = img->layer; 333 334 return TRUE; 335} 336 337static int 338dri_get_param(struct st_manager *smapi, 339 enum st_manager_param param) 340{ 341 struct dri_screen *screen = (struct dri_screen *)smapi; 342 343 switch(param) { 344 case ST_MANAGER_BROKEN_INVALIDATE: 345 return screen->broken_invalidate; 346 default: 347 return 0; 348 } 349} 350 351static void 352dri_destroy_option_cache(struct dri_screen * screen) 353{ 354 int i; 355 356 if (screen->optionCache.info) { 357 for (i = 0; i < (1 << screen->optionCache.tableSize); ++i) { 358 FREE(screen->optionCache.info[i].name); 359 FREE(screen->optionCache.info[i].ranges); 360 } 361 FREE(screen->optionCache.info); 362 } 363 364 FREE(screen->optionCache.values); 365} 366 367void 368dri_destroy_screen_helper(struct dri_screen * screen) 369{ 370 if (screen->st_api && screen->st_api->destroy) 371 screen->st_api->destroy(screen->st_api); 372 373 if (screen->base.screen) 374 screen->base.screen->destroy(screen->base.screen); 375 376 dri_destroy_option_cache(screen); 377} 378 379void 380dri_destroy_screen(__DRIscreen * sPriv) 381{ 382 struct dri_screen *screen = dri_screen(sPriv); 383 384 dri_destroy_screen_helper(screen); 385 386 FREE(screen); 387 sPriv->driverPrivate = NULL; 388 sPriv->extensions = NULL; 389} 390 391const __DRIconfig ** 392dri_init_screen_helper(struct dri_screen *screen, 393 struct pipe_screen *pscreen, 394 unsigned pixel_bits) 395{ 396 screen->base.screen = pscreen; 397 if (!screen->base.screen) { 398 debug_printf("%s: failed to create pipe_screen\n", __FUNCTION__); 399 return NULL; 400 } 401 402 screen->base.get_egl_image = dri_get_egl_image; 403 screen->base.get_param = dri_get_param; 404 405 screen->st_api = st_gl_api_create(); 406 if (!screen->st_api) 407 return NULL; 408 409 if(pscreen->get_param(pscreen, PIPE_CAP_NPOT_TEXTURES)) 410 screen->target = PIPE_TEXTURE_2D; 411 else 412 screen->target = PIPE_TEXTURE_RECT; 413 414 driParseOptionInfo(&screen->optionCache, 415 __driConfigOptions, __driNConfigOptions); 416 417 return dri_fill_in_modes(screen, pixel_bits); 418} 419 420/* vim: set sw=3 ts=8 sts=3 expandtab: */ 421