dri_screen.c revision a30b966f8345cb99922a416fce2da6edb70f864c
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#include "dri_context.h" 37#include "dri_drawable.h" 38 39#include "util/u_inlines.h" 40#include "pipe/p_screen.h" 41#include "pipe/p_format.h" 42#include "state_tracker/st_gl_api.h" /* for st_gl_api_create */ 43 44#include "util/u_debug.h" 45 46PUBLIC const char __driConfigOptions[] = 47 DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE 48 DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS) 49 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0) 50 DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY 51/* DRI_CONF_FORCE_S3TC_ENABLE(false) */ 52 DRI_CONF_ALLOW_LARGE_TEXTURES(1) 53 DRI_CONF_SECTION_END DRI_CONF_END; 54 55static const uint __driNConfigOptions = 3; 56 57static const __DRIconfig ** 58dri_fill_in_modes(struct dri_screen *screen, 59 unsigned pixel_bits) 60{ 61 __DRIconfig **configs = NULL; 62 __DRIconfig **configs_r5g6b5 = NULL; 63 __DRIconfig **configs_a8r8g8b8 = NULL; 64 __DRIconfig **configs_x8r8g8b8 = NULL; 65 uint8_t depth_bits_array[5]; 66 uint8_t stencil_bits_array[5]; 67 uint8_t msaa_samples_array[5]; 68 unsigned depth_buffer_factor; 69 unsigned back_buffer_factor; 70 unsigned msaa_samples_factor; 71 unsigned i; 72 struct pipe_screen *p_screen = screen->base.screen; 73 boolean pf_r5g6b5, pf_a8r8g8b8, pf_x8r8g8b8; 74 boolean pf_z16, pf_x8z24, pf_z24x8, pf_s8z24, pf_z24s8, pf_z32; 75 76 static const GLenum back_buffer_modes[] = { 77 GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML 78 }; 79 80 depth_bits_array[0] = 0; 81 stencil_bits_array[0] = 0; 82 depth_buffer_factor = 1; 83 84 pf_x8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24X8_UNORM, 85 PIPE_TEXTURE_2D, 0, 86 PIPE_BIND_DEPTH_STENCIL, 0); 87 pf_z24x8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_X8Z24_UNORM, 88 PIPE_TEXTURE_2D, 0, 89 PIPE_BIND_DEPTH_STENCIL, 0); 90 pf_s8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED, 91 PIPE_TEXTURE_2D, 0, 92 PIPE_BIND_DEPTH_STENCIL, 0); 93 pf_z24s8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM, 94 PIPE_TEXTURE_2D, 0, 95 PIPE_BIND_DEPTH_STENCIL, 0); 96 pf_a8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8A8_UNORM, 97 PIPE_TEXTURE_2D, 0, 98 PIPE_BIND_RENDER_TARGET, 0); 99 pf_x8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8X8_UNORM, 100 PIPE_TEXTURE_2D, 0, 101 PIPE_BIND_RENDER_TARGET, 0); 102 pf_r5g6b5 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B5G6R5_UNORM, 103 PIPE_TEXTURE_2D, 0, 104 PIPE_BIND_RENDER_TARGET, 0); 105 106 /* We can only get a 16 or 32 bit depth buffer with getBuffersWithFormat */ 107 if (dri_with_format(screen->sPriv)) { 108 pf_z16 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM, 109 PIPE_TEXTURE_2D, 0, 110 PIPE_BIND_DEPTH_STENCIL, 0); 111 pf_z32 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z32_UNORM, 112 PIPE_TEXTURE_2D, 0, 113 PIPE_BIND_DEPTH_STENCIL, 0); 114 } else { 115 pf_z16 = FALSE; 116 pf_z32 = FALSE; 117 } 118 119 if (pf_z16) { 120 depth_bits_array[depth_buffer_factor] = 16; 121 stencil_bits_array[depth_buffer_factor++] = 0; 122 } 123 if (pf_x8z24 || pf_z24x8) { 124 depth_bits_array[depth_buffer_factor] = 24; 125 stencil_bits_array[depth_buffer_factor++] = 0; 126 screen->d_depth_bits_last = pf_x8z24; 127 } 128 if (pf_s8z24 || pf_z24s8) { 129 depth_bits_array[depth_buffer_factor] = 24; 130 stencil_bits_array[depth_buffer_factor++] = 8; 131 screen->sd_depth_bits_last = pf_s8z24; 132 } 133 if (pf_z32) { 134 depth_bits_array[depth_buffer_factor] = 32; 135 stencil_bits_array[depth_buffer_factor++] = 0; 136 } 137 138 msaa_samples_array[0] = 0; 139 back_buffer_factor = 3; 140 141 /* also test color for msaa 2/4/6/8 - just assume it'll work for all depth buffers */ 142 if (pf_r5g6b5) { 143 msaa_samples_factor = 1; 144 for (i = 1; i < 5; i++) { 145 if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B5G6R5_UNORM, 146 PIPE_TEXTURE_2D, i*2, 147 PIPE_BIND_RENDER_TARGET, 0)) { 148 msaa_samples_array[msaa_samples_factor] = i * 2; 149 msaa_samples_factor++; 150 } 151 } 152 153 configs_r5g6b5 = driCreateConfigs(GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 154 depth_bits_array, stencil_bits_array, 155 depth_buffer_factor, back_buffer_modes, 156 back_buffer_factor, 157 msaa_samples_array, msaa_samples_factor, 158 GL_TRUE); 159 } 160 161 if (pf_a8r8g8b8) { 162 msaa_samples_factor = 1; 163 for (i = 1; i < 5; i++) { 164 if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8A8_UNORM, 165 PIPE_TEXTURE_2D, i*2, 166 PIPE_BIND_RENDER_TARGET, 0)) { 167 msaa_samples_array[msaa_samples_factor] = i * 2; 168 msaa_samples_factor++; 169 } 170 } 171 172 configs_a8r8g8b8 = driCreateConfigs(GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, 173 depth_bits_array, 174 stencil_bits_array, 175 depth_buffer_factor, 176 back_buffer_modes, 177 back_buffer_factor, 178 msaa_samples_array, 179 msaa_samples_factor, 180 GL_TRUE); 181 } 182 183 if (pf_x8r8g8b8) { 184 msaa_samples_factor = 1; 185 for (i = 1; i < 5; i++) { 186 if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8X8_UNORM, 187 PIPE_TEXTURE_2D, i*2, 188 PIPE_BIND_RENDER_TARGET, 0)) { 189 msaa_samples_array[msaa_samples_factor] = i * 2; 190 msaa_samples_factor++; 191 } 192 } 193 194 configs_x8r8g8b8 = driCreateConfigs(GL_BGR, GL_UNSIGNED_INT_8_8_8_8_REV, 195 depth_bits_array, 196 stencil_bits_array, 197 depth_buffer_factor, 198 back_buffer_modes, 199 back_buffer_factor, 200 msaa_samples_array, 201 msaa_samples_factor, 202 GL_TRUE); 203 } 204 205 if (pixel_bits == 16) { 206 configs = configs_r5g6b5; 207 if (configs_a8r8g8b8) 208 configs = configs ? driConcatConfigs(configs, configs_a8r8g8b8) : configs_a8r8g8b8; 209 if (configs_x8r8g8b8) 210 configs = configs ? driConcatConfigs(configs, configs_x8r8g8b8) : configs_x8r8g8b8; 211 } else { 212 configs = configs_a8r8g8b8; 213 if (configs_x8r8g8b8) 214 configs = configs ? driConcatConfigs(configs, configs_x8r8g8b8) : configs_x8r8g8b8; 215 if (configs_r5g6b5) 216 configs = configs ? driConcatConfigs(configs, configs_r5g6b5) : configs_r5g6b5; 217 } 218 219 if (configs == NULL) { 220 debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__); 221 return NULL; 222 } 223 224 return (const __DRIconfig **)configs; 225} 226 227/** 228 * Roughly the converse of dri_fill_in_modes. 229 */ 230void 231dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen, 232 const __GLcontextModes *mode) 233{ 234 memset(stvis, 0, sizeof(*stvis)); 235 236 stvis->samples = mode->samples; 237 stvis->render_buffer = ST_ATTACHMENT_INVALID; 238 239 if (mode->redBits == 8) { 240 if (mode->alphaBits == 8) 241 stvis->color_format = PIPE_FORMAT_B8G8R8A8_UNORM; 242 else 243 stvis->color_format = PIPE_FORMAT_B8G8R8X8_UNORM; 244 } else { 245 stvis->color_format = PIPE_FORMAT_B5G6R5_UNORM; 246 } 247 248 switch (mode->depthBits) { 249 default: 250 case 0: 251 stvis->depth_stencil_format = PIPE_FORMAT_NONE; 252 break; 253 case 16: 254 stvis->depth_stencil_format = PIPE_FORMAT_Z16_UNORM; 255 break; 256 case 24: 257 if (mode->stencilBits == 0) { 258 stvis->depth_stencil_format = (screen->d_depth_bits_last) ? 259 PIPE_FORMAT_Z24X8_UNORM: 260 PIPE_FORMAT_X8Z24_UNORM; 261 } else { 262 stvis->depth_stencil_format = (screen->sd_depth_bits_last) ? 263 PIPE_FORMAT_Z24_UNORM_S8_USCALED: 264 PIPE_FORMAT_S8_USCALED_Z24_UNORM; 265 } 266 break; 267 case 32: 268 stvis->depth_stencil_format = PIPE_FORMAT_Z32_UNORM; 269 break; 270 } 271 272 stvis->accum_format = (mode->haveAccumBuffer) ? 273 PIPE_FORMAT_R16G16B16A16_SNORM : PIPE_FORMAT_NONE; 274 275 stvis->buffer_mask |= ST_ATTACHMENT_FRONT_LEFT_MASK; 276 if (mode->doubleBufferMode) 277 stvis->buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK; 278 if (mode->stereoMode) { 279 stvis->buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK; 280 if (mode->doubleBufferMode) 281 stvis->buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK; 282 } 283 284 if (mode->haveDepthBuffer || mode->haveStencilBuffer) 285 stvis->buffer_mask |= ST_ATTACHMENT_DEPTH_STENCIL_MASK; 286 /* let the state tracker allocate the accum buffer */ 287} 288 289static boolean 290dri_get_egl_image(struct st_manager *smapi, 291 struct st_context_iface *stctxi, 292 void *egl_image, 293 struct st_egl_image *stimg) 294{ 295 struct dri_context *ctx = 296 (struct dri_context *)stctxi->st_manager_private; 297 struct dri_screen *screen = dri_screen(ctx->sPriv); 298 __DRIimage *img = NULL; 299 300 if (screen->lookup_egl_image) { 301 img = screen->lookup_egl_image(ctx, egl_image); 302 } 303 304 if (!img) 305 return FALSE; 306 307 stimg->texture = NULL; 308 pipe_resource_reference(&stimg->texture, img->texture); 309 stimg->face = img->face; 310 stimg->level = img->level; 311 stimg->zslice = img->zslice; 312 313 return TRUE; 314} 315 316static int 317dri_get_param(struct st_manager *smapi, 318 enum st_manager_param param) 319{ 320 struct dri_screen *screen = (struct dri_screen *)smapi; 321 322 switch(param) { 323 case ST_MANAGER_BROKEN_INVALIDATE: 324 return screen->broken_invalidate; 325 default: 326 return 0; 327 } 328} 329 330static void 331dri_destroy_option_cache(struct dri_screen * screen) 332{ 333 int i; 334 335 if (screen->optionCache.info) { 336 for (i = 0; i < (1 << screen->optionCache.tableSize); ++i) { 337 FREE(screen->optionCache.info[i].name); 338 FREE(screen->optionCache.info[i].ranges); 339 } 340 FREE(screen->optionCache.info); 341 } 342 343 FREE(screen->optionCache.values); 344} 345 346void 347dri_destroy_screen_helper(struct dri_screen * screen) 348{ 349 if (screen->st_api && screen->st_api->destroy) 350 screen->st_api->destroy(screen->st_api); 351 352 if (screen->base.screen) 353 screen->base.screen->destroy(screen->base.screen); 354 355 dri_destroy_option_cache(screen); 356} 357 358void 359dri_destroy_screen(__DRIscreen * sPriv) 360{ 361 struct dri_screen *screen = dri_screen(sPriv); 362 363 dri_destroy_screen_helper(screen); 364 365 FREE(screen); 366 sPriv->private = NULL; 367 sPriv->extensions = NULL; 368} 369 370const __DRIconfig ** 371dri_init_screen_helper(struct dri_screen *screen, 372 struct pipe_screen *pscreen, 373 unsigned pixel_bits) 374{ 375 screen->base.screen = pscreen; 376 if (!screen->base.screen) { 377 debug_printf("%s: failed to create pipe_screen\n", __FUNCTION__); 378 return NULL; 379 } 380 381 screen->base.get_egl_image = dri_get_egl_image; 382 screen->base.get_param = dri_get_param; 383 screen->st_api = st_gl_api_create(); 384 385 if (!screen->st_api) 386 return NULL; 387 388 driParseOptionInfo(&screen->optionCache, 389 __driConfigOptions, __driNConfigOptions); 390 391 return dri_fill_in_modes(screen, pixel_bits); 392} 393 394/* vim: set sw=3 ts=8 sts=3 expandtab: */ 395