src/gallium/state_trackers/dri/dri_screen.c

   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
  34 #include "dri_screen.h"
  35 #include "dri_context.h"
  36
  37 #include "util/u_inlines.h"
  38 #include "pipe/p_screen.h"
  39 #include "pipe/p_format.h"
  40 #include "pipe-loader/pipe_loader.h"
  41 #include "state_tracker/st_gl_api.h" /* for st_gl_api_create */
  42 #include "state_tracker/drm_driver.h"
  43
  44 #include "util/u_debug.h"
  45 #include "util/u_format_s3tc.h"
  46
  47 #define MSAA_VISUAL_MAX_SAMPLES 32
  48
  49 #undef false
  50
  51 const __DRIconfigOptionsExtension gallium_config_options = {
  52    .base = { __DRI_CONFIG_OPTIONS, 2 },
  53    .xml = gallium_driinfo_xml,
  54    .getXml = pipe_loader_get_driinfo_xml
  55 };
  56
  57 #define false 0
  58
  59 static void
  60 dri_fill_st_options(struct dri_screen *screen)
  61 {
  62    struct st_config_options *options = &screen->options;
  63    const struct driOptionCache *optionCache = &screen->dev->option_cache;
  64
  65    options->disable_blend_func_extended =
  66       driQueryOptionb(optionCache, "disable_blend_func_extended");
  67    options->disable_glsl_line_continuations =
  68       driQueryOptionb(optionCache, "disable_glsl_line_continuations");
  69    options->disable_shader_bit_encoding =
  70       driQueryOptionb(optionCache, "disable_shader_bit_encoding");
  71    options->force_glsl_extensions_warn =
  72       driQueryOptionb(optionCache, "force_glsl_extensions_warn");
  73    options->force_glsl_version =
  74       driQueryOptioni(optionCache, "force_glsl_version");
  75    options->allow_glsl_extension_directive_midshader =
  76       driQueryOptionb(optionCache, "allow_glsl_extension_directive_midshader");
  77    options->allow_glsl_builtin_variable_redeclaration =
  78       driQueryOptionb(optionCache, "allow_glsl_builtin_variable_redeclaration");
  79    options->allow_higher_compat_version =
  80       driQueryOptionb(optionCache, "allow_higher_compat_version");
  81    options->glsl_zero_init = driQueryOptionb(optionCache, "glsl_zero_init");
  82    options->force_glsl_abs_sqrt =
  83       driQueryOptionb(optionCache, "force_glsl_abs_sqrt");
  84    options->allow_glsl_cross_stage_interpolation_mismatch =
  85       driQueryOptionb(optionCache, "allow_glsl_cross_stage_interpolation_mismatch");
  86
  87    driComputeOptionsSha1(optionCache, options->config_options_sha1);
  88 }
  89
  90 static unsigned
  91 dri_loader_get_cap(struct dri_screen *screen, enum dri_loader_cap cap)
  92 {
  93    const __DRIdri2LoaderExtension *dri2_loader = screen->sPriv->dri2.loader;
  94    const __DRIimageLoaderExtension *image_loader = screen->sPriv->image.loader;
  95
  96    if (dri2_loader && dri2_loader->base.version >= 4 &&
  97        dri2_loader->getCapability)
  98       return dri2_loader->getCapability(screen->sPriv->loaderPrivate, cap);
  99
 100    if (image_loader && image_loader->base.version >= 2 &&
 101        image_loader->getCapability)
 102       return image_loader->getCapability(screen->sPriv->loaderPrivate, cap);
 103
 104    return 0;
 105 }
 106
 107 static const __DRIconfig **
 108 dri_fill_in_modes(struct dri_screen *screen)
 109 {
 110    static const mesa_format mesa_formats[] = {
 111       MESA_FORMAT_B10G10R10A2_UNORM,
 112       MESA_FORMAT_B10G10R10X2_UNORM,
 113       MESA_FORMAT_B8G8R8A8_UNORM,
 114       MESA_FORMAT_B8G8R8X8_UNORM,
 115       MESA_FORMAT_B8G8R8A8_SRGB,
 116       MESA_FORMAT_B8G8R8X8_SRGB,
 117       MESA_FORMAT_B5G6R5_UNORM,
 118
 119       /* The 32-bit RGBA format must not precede the 32-bit BGRA format.
 120        * Likewise for RGBX and BGRX.  Otherwise, the GLX client and the GLX
 121        * server may disagree on which format the GLXFBConfig represents,
 122        * resulting in swapped color channels.
 123        *
 124        * The problem, as of 2017-05-30:
 125        * When matching a GLXFBConfig to a __DRIconfig, GLX ignores the channel
 126        * order and chooses the first __DRIconfig with the expected channel
 127        * sizes. Specifically, GLX compares the GLXFBConfig's and __DRIconfig's
 128        * __DRI_ATTRIB_{CHANNEL}_SIZE but ignores __DRI_ATTRIB_{CHANNEL}_MASK.
 129        *
 130        * EGL does not suffer from this problem. It correctly compares the
 131        * channel masks when matching EGLConfig to __DRIconfig.
 132        */
 133
 134       /* Required by Android, for HAL_PIXEL_FORMAT_RGBA_8888. */
 135       MESA_FORMAT_R8G8B8A8_UNORM,
 136
 137       /* Required by Android, for HAL_PIXEL_FORMAT_RGBX_8888. */
 138       MESA_FORMAT_R8G8B8X8_UNORM,
 139    };
 140    static const enum pipe_format pipe_formats[] = {
 141       PIPE_FORMAT_B10G10R10A2_UNORM,
 142       PIPE_FORMAT_B10G10R10X2_UNORM,
 143       PIPE_FORMAT_BGRA8888_UNORM,
 144       PIPE_FORMAT_BGRX8888_UNORM,
 145       PIPE_FORMAT_BGRA8888_SRGB,
 146       PIPE_FORMAT_BGRX8888_SRGB,
 147       PIPE_FORMAT_B5G6R5_UNORM,
 148       PIPE_FORMAT_RGBA8888_UNORM,
 149       PIPE_FORMAT_RGBX8888_UNORM,
 150    };
 151    mesa_format format;
 152    __DRIconfig **configs = NULL;
 153    uint8_t depth_bits_array[5];
 154    uint8_t stencil_bits_array[5];
 155    unsigned depth_buffer_factor;
 156    unsigned msaa_samples_max;
 157    unsigned i;
 158    struct pipe_screen *p_screen = screen->base.screen;
 159    boolean pf_z16, pf_x8z24, pf_z24x8, pf_s8z24, pf_z24s8, pf_z32;
 160    boolean mixed_color_depth;
 161
 162    static const GLenum back_buffer_modes[] = {
 163       __DRI_ATTRIB_SWAP_NONE, __DRI_ATTRIB_SWAP_UNDEFINED,
 164       __DRI_ATTRIB_SWAP_COPY
 165    };
 166
 167    if (driQueryOptionb(&screen->dev->option_cache, "always_have_depth_buffer")) {
 168       /* all visuals will have a depth buffer */
 169       depth_buffer_factor = 0;
 170    }
 171    else {
 172       depth_bits_array[0] = 0;
 173       stencil_bits_array[0] = 0;
 174       depth_buffer_factor = 1;
 175    }
 176
 177    msaa_samples_max = (screen->st_api->feature_mask & ST_API_FEATURE_MS_VISUALS_MASK)
 178       ? MSAA_VISUAL_MAX_SAMPLES : 1;
 179
 180    pf_x8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24X8_UNORM,
 181                                             PIPE_TEXTURE_2D, 0,
 182                                             PIPE_BIND_DEPTH_STENCIL);
 183    pf_z24x8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_X8Z24_UNORM,
 184                                             PIPE_TEXTURE_2D, 0,
 185                                             PIPE_BIND_DEPTH_STENCIL);
 186    pf_s8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24_UNORM_S8_UINT,
 187                                             PIPE_TEXTURE_2D, 0,
 188                                             PIPE_BIND_DEPTH_STENCIL);
 189    pf_z24s8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_S8_UINT_Z24_UNORM,
 190                                             PIPE_TEXTURE_2D, 0,
 191                                             PIPE_BIND_DEPTH_STENCIL);
 192    pf_z16 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM,
 193                                           PIPE_TEXTURE_2D, 0,
 194                                           PIPE_BIND_DEPTH_STENCIL);
 195    pf_z32 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z32_UNORM,
 196                                           PIPE_TEXTURE_2D, 0,
 197                                           PIPE_BIND_DEPTH_STENCIL);
 198
 199    if (pf_z16) {
 200       depth_bits_array[depth_buffer_factor] = 16;
 201       stencil_bits_array[depth_buffer_factor++] = 0;
 202    }
 203    if (pf_x8z24 || pf_z24x8) {
 204       depth_bits_array[depth_buffer_factor] = 24;
 205       stencil_bits_array[depth_buffer_factor++] = 0;
 206       screen->d_depth_bits_last = pf_x8z24;
 207    }
 208    if (pf_s8z24 || pf_z24s8) {
 209       depth_bits_array[depth_buffer_factor] = 24;
 210       stencil_bits_array[depth_buffer_factor++] = 8;
 211       screen->sd_depth_bits_last = pf_s8z24;
 212    }
 213    if (pf_z32) {
 214       depth_bits_array[depth_buffer_factor] = 32;
 215       stencil_bits_array[depth_buffer_factor++] = 0;
 216    }
 217
 218    mixed_color_depth =
 219       p_screen->get_param(p_screen, PIPE_CAP_MIXED_COLOR_DEPTH_BITS);
 220
 221    assert(ARRAY_SIZE(mesa_formats) == ARRAY_SIZE(pipe_formats));
 222
 223    /* Expose only BGRA ordering if the loader doesn't support RGBA ordering. */
 224    unsigned num_formats;
 225    if (dri_loader_get_cap(screen, DRI_LOADER_CAP_RGBA_ORDERING))
 226       num_formats = ARRAY_SIZE(mesa_formats);
 227    else
 228       num_formats = ARRAY_SIZE(mesa_formats) - 2; /* all - RGBA_ORDERING formats */
 229
 230    /* Add configs. */
 231    for (format = 0; format < num_formats; format++) {
 232       __DRIconfig **new_configs = NULL;
 233       unsigned num_msaa_modes = 0; /* includes a single-sample mode */
 234       uint8_t msaa_modes[MSAA_VISUAL_MAX_SAMPLES];
 235
 236       if (!p_screen->is_format_supported(p_screen, pipe_formats[format],
 237                                          PIPE_TEXTURE_2D, 0,
 238                                          PIPE_BIND_RENDER_TARGET))
 239          continue;
 240
 241       for (i = 1; i <= msaa_samples_max; i++) {
 242          int samples = i > 1 ? i : 0;
 243
 244          if (p_screen->is_format_supported(p_screen, pipe_formats[format],
 245                                            PIPE_TEXTURE_2D, samples,
 246                                            PIPE_BIND_RENDER_TARGET)) {
 247             msaa_modes[num_msaa_modes++] = samples;
 248          }
 249       }
 250
 251       if (num_msaa_modes) {
 252          /* Single-sample configs with an accumulation buffer. */
 253          new_configs = driCreateConfigs(mesa_formats[format],
 254                                         depth_bits_array, stencil_bits_array,
 255                                         depth_buffer_factor, back_buffer_modes,
 256                                         ARRAY_SIZE(back_buffer_modes),
 257                                         msaa_modes, 1,
 258                                         GL_TRUE, !mixed_color_depth);
 259          configs = driConcatConfigs(configs, new_configs);
 260
 261          /* Multi-sample configs without an accumulation buffer. */
 262          if (num_msaa_modes > 1) {
 263             new_configs = driCreateConfigs(mesa_formats[format],
 264                                            depth_bits_array, stencil_bits_array,
 265                                            depth_buffer_factor, back_buffer_modes,
 266                                            ARRAY_SIZE(back_buffer_modes),
 267                                            msaa_modes+1, num_msaa_modes-1,
 268                                            GL_FALSE, !mixed_color_depth);
 269             configs = driConcatConfigs(configs, new_configs);
 270          }
 271       }
 272    }
 273
 274    if (configs == NULL) {
 275       debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__);
 276       return NULL;
 277    }
 278
 279    return (const __DRIconfig **)configs;
 280 }
 281
 282 /**
 283  * Roughly the converse of dri_fill_in_modes.
 284  */
 285 void
 286 dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
 287                    const struct gl_config *mode)
 288 {
 289    memset(stvis, 0, sizeof(*stvis));
 290
 291    if (!mode)
 292       return;
 293
 294    /* Deduce the color format. */
 295    switch (mode->redMask) {
 296    case 0x3FF00000:
 297       if (mode->alphaMask) {
 298          assert(mode->alphaMask == 0xC0000000);
 299          stvis->color_format = PIPE_FORMAT_B10G10R10A2_UNORM;
 300       } else {
 301          stvis->color_format = PIPE_FORMAT_B10G10R10X2_UNORM;
 302       }
 303       break;
 304
 305    case 0x00FF0000:
 306       if (mode->alphaMask) {
 307          assert(mode->alphaMask == 0xFF000000);
 308          stvis->color_format = mode->sRGBCapable ?
 309                                   PIPE_FORMAT_BGRA8888_SRGB :
 310                                   PIPE_FORMAT_BGRA8888_UNORM;
 311       } else {
 312          stvis->color_format = mode->sRGBCapable ?
 313                                   PIPE_FORMAT_BGRX8888_SRGB :
 314                                   PIPE_FORMAT_BGRX8888_UNORM;
 315       }
 316       break;
 317
 318    case 0x000000FF:
 319       if (mode->alphaMask) {
 320          assert(mode->alphaMask == 0xFF000000);
 321          stvis->color_format = mode->sRGBCapable ?
 322                                   PIPE_FORMAT_RGBA8888_SRGB :
 323                                   PIPE_FORMAT_RGBA8888_UNORM;
 324       } else {
 325          stvis->color_format = mode->sRGBCapable ?
 326                                   PIPE_FORMAT_RGBX8888_SRGB :
 327                                   PIPE_FORMAT_RGBX8888_UNORM;
 328       }
 329       break;
 330
 331    case 0x0000F800:
 332       stvis->color_format = PIPE_FORMAT_B5G6R5_UNORM;
 333       break;
 334
 335    default:
 336       assert(!"unsupported visual: invalid red mask");
 337       return;
 338    }
 339
 340    if (mode->sampleBuffers) {
 341       stvis->samples = mode->samples;
 342    }
 343
 344    switch (mode->depthBits) {
 345    default:
 346    case 0:
 347       stvis->depth_stencil_format = PIPE_FORMAT_NONE;
 348       break;
 349    case 16:
 350       stvis->depth_stencil_format = PIPE_FORMAT_Z16_UNORM;
 351       break;
 352    case 24:
 353       if (mode->stencilBits == 0) {
 354          stvis->depth_stencil_format = (screen->d_depth_bits_last) ?
 355                                           PIPE_FORMAT_Z24X8_UNORM:
 356                                           PIPE_FORMAT_X8Z24_UNORM;
 357       } else {
 358          stvis->depth_stencil_format = (screen->sd_depth_bits_last) ?
 359                                           PIPE_FORMAT_Z24_UNORM_S8_UINT:
 360                                           PIPE_FORMAT_S8_UINT_Z24_UNORM;
 361       }
 362       break;
 363    case 32:
 364       stvis->depth_stencil_format = PIPE_FORMAT_Z32_UNORM;
 365       break;
 366    }
 367
 368    stvis->accum_format = (mode->haveAccumBuffer) ?
 369       PIPE_FORMAT_R16G16B16A16_SNORM : PIPE_FORMAT_NONE;
 370
 371    stvis->buffer_mask |= ST_ATTACHMENT_FRONT_LEFT_MASK;
 372    stvis->render_buffer = ST_ATTACHMENT_FRONT_LEFT;
 373    if (mode->doubleBufferMode) {
 374       stvis->buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK;
 375       stvis->render_buffer = ST_ATTACHMENT_BACK_LEFT;
 376    }
 377    if (mode->stereoMode) {
 378       stvis->buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK;
 379       if (mode->doubleBufferMode)
 380          stvis->buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK;
 381    }
 382
 383    if (mode->haveDepthBuffer || mode->haveStencilBuffer)
 384       stvis->buffer_mask |= ST_ATTACHMENT_DEPTH_STENCIL_MASK;
 385    /* let the state tracker allocate the accum buffer */
 386 }
 387
 388 static boolean
 389 dri_get_egl_image(struct st_manager *smapi,
 390                   void *egl_image,
 391                   struct st_egl_image *stimg)
 392 {
 393    struct dri_screen *screen = (struct dri_screen *)smapi;
 394    __DRIimage *img = NULL;
 395
 396    if (screen->lookup_egl_image) {
 397       img = screen->lookup_egl_image(screen, egl_image);
 398    }
 399
 400    if (!img)
 401       return FALSE;
 402
 403    stimg->texture = NULL;
 404    pipe_resource_reference(&stimg->texture, img->texture);
 405    switch (img->dri_components) {
 406    case __DRI_IMAGE_COMPONENTS_Y_U_V:
 407       stimg->format = PIPE_FORMAT_IYUV;
 408       break;
 409    case __DRI_IMAGE_COMPONENTS_Y_UV:
 410       stimg->format = PIPE_FORMAT_NV12;
 411       break;
 412    default:
 413       stimg->format = img->texture->format;
 414       break;
 415    }
 416    stimg->level = img->level;
 417    stimg->layer = img->layer;
 418
 419    return TRUE;
 420 }
 421
 422 static int
 423 dri_get_param(struct st_manager *smapi,
 424               enum st_manager_param param)
 425 {
 426    struct dri_screen *screen = (struct dri_screen *)smapi;
 427
 428    switch(param) {
 429    case ST_MANAGER_BROKEN_INVALIDATE:
 430       return screen->broken_invalidate;
 431    default:
 432       return 0;
 433    }
 434 }
 435
 436 void
 437 dri_destroy_screen_helper(struct dri_screen * screen)
 438 {
 439    if (screen->base.destroy)
 440       screen->base.destroy(&screen->base);
 441
 442    if (screen->st_api && screen->st_api->destroy)
 443       screen->st_api->destroy(screen->st_api);
 444
 445    if (screen->base.screen)
 446       screen->base.screen->destroy(screen->base.screen);
 447
 448    mtx_destroy(&screen->opencl_func_mutex);
 449 }
 450
 451 void
 452 dri_destroy_screen(__DRIscreen * sPriv)
 453 {
 454    struct dri_screen *screen = dri_screen(sPriv);
 455
 456    dri_destroy_screen_helper(screen);
 457
 458    pipe_loader_release(&screen->dev, 1);
 459
 460    free(screen);
 461    sPriv->driverPrivate = NULL;
 462    sPriv->extensions = NULL;
 463 }
 464
 465 static void
 466 dri_postprocessing_init(struct dri_screen *screen)
 467 {
 468    unsigned i;
 469
 470    for (i = 0; i < PP_FILTERS; i++) {
 471       screen->pp_enabled[i] = driQueryOptioni(&screen->dev->option_cache,
 472                                               pp_filters[i].name);
 473    }
 474 }
 475
 476 static void
 477 dri_set_background_context(struct st_context_iface *st,
 478                            struct util_queue_monitoring *queue_info)
 479 {
 480    struct dri_context *ctx = (struct dri_context *)st->st_manager_private;
 481    const __DRIbackgroundCallableExtension *backgroundCallable =
 482       ctx->sPriv->dri2.backgroundCallable;
 483
 484    /* Note: Mesa will only call this function if GL multithreading is enabled
 485     * We only do that if the loader exposed the __DRI_BACKGROUND_CALLABLE
 486     * extension. So we know that backgroundCallable is not NULL.
 487     */
 488    assert(backgroundCallable);
 489    backgroundCallable->setBackgroundContext(ctx->cPriv->loaderPrivate);
 490
 491    if (ctx->hud)
 492       hud_add_queue_for_monitoring(ctx->hud, queue_info);
 493 }
 494
 495 void
 496 dri_init_options(struct dri_screen *screen)
 497 {
 498    pipe_loader_load_options(screen->dev);
 499
 500    dri_fill_st_options(screen);
 501 }
 502
 503 const __DRIconfig **
 504 dri_init_screen_helper(struct dri_screen *screen,
 505                        struct pipe_screen *pscreen)
 506 {
 507    screen->base.screen = pscreen;
 508    screen->base.get_egl_image = dri_get_egl_image;
 509    screen->base.get_param = dri_get_param;
 510    screen->base.set_background_context = dri_set_background_context;
 511
 512    screen->st_api = st_gl_api_create();
 513    if (!screen->st_api)
 514       return NULL;
 515
 516    if(pscreen->get_param(pscreen, PIPE_CAP_NPOT_TEXTURES))
 517       screen->target = PIPE_TEXTURE_2D;
 518    else
 519       screen->target = PIPE_TEXTURE_RECT;
 520
 521    dri_postprocessing_init(screen);
 522
 523    screen->st_api->query_versions(screen->st_api, &screen->base,
 524                                   &screen->options,
 525                                   &screen->sPriv->max_gl_core_version,
 526                                   &screen->sPriv->max_gl_compat_version,
 527                                   &screen->sPriv->max_gl_es1_version,
 528                                   &screen->sPriv->max_gl_es2_version);
 529
 530    return dri_fill_in_modes(screen);
 531 }
 532
 533 /* vim: set sw=3 ts=8 sts=3 expandtab: */