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
dri_fill_st_options(struct dri_screen * screen)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
dri_loader_get_cap(struct dri_screen * screen,enum dri_loader_cap cap)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 **
dri_fill_in_modes(struct dri_screen * screen)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 boolean allow_rgb10;
162
163 static const GLenum back_buffer_modes[] = {
164 __DRI_ATTRIB_SWAP_NONE, __DRI_ATTRIB_SWAP_UNDEFINED,
165 __DRI_ATTRIB_SWAP_COPY
166 };
167
168 if (driQueryOptionb(&screen->dev->option_cache, "always_have_depth_buffer")) {
169 /* all visuals will have a depth buffer */
170 depth_buffer_factor = 0;
171 }
172 else {
173 depth_bits_array[0] = 0;
174 stencil_bits_array[0] = 0;
175 depth_buffer_factor = 1;
176 }
177
178 allow_rgb10 = driQueryOptionb(&screen->dev->option_cache, "allow_rgb10_configs");
179
180 msaa_samples_max = (screen->st_api->feature_mask & ST_API_FEATURE_MS_VISUALS_MASK)
181 ? MSAA_VISUAL_MAX_SAMPLES : 1;
182
183 pf_x8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24X8_UNORM,
184 PIPE_TEXTURE_2D, 0,
185 PIPE_BIND_DEPTH_STENCIL);
186 pf_z24x8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_X8Z24_UNORM,
187 PIPE_TEXTURE_2D, 0,
188 PIPE_BIND_DEPTH_STENCIL);
189 pf_s8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24_UNORM_S8_UINT,
190 PIPE_TEXTURE_2D, 0,
191 PIPE_BIND_DEPTH_STENCIL);
192 pf_z24s8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_S8_UINT_Z24_UNORM,
193 PIPE_TEXTURE_2D, 0,
194 PIPE_BIND_DEPTH_STENCIL);
195 pf_z16 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM,
196 PIPE_TEXTURE_2D, 0,
197 PIPE_BIND_DEPTH_STENCIL);
198 pf_z32 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z32_UNORM,
199 PIPE_TEXTURE_2D, 0,
200 PIPE_BIND_DEPTH_STENCIL);
201
202 if (pf_z16) {
203 depth_bits_array[depth_buffer_factor] = 16;
204 stencil_bits_array[depth_buffer_factor++] = 0;
205 }
206 if (pf_x8z24 || pf_z24x8) {
207 depth_bits_array[depth_buffer_factor] = 24;
208 stencil_bits_array[depth_buffer_factor++] = 0;
209 screen->d_depth_bits_last = pf_x8z24;
210 }
211 if (pf_s8z24 || pf_z24s8) {
212 depth_bits_array[depth_buffer_factor] = 24;
213 stencil_bits_array[depth_buffer_factor++] = 8;
214 screen->sd_depth_bits_last = pf_s8z24;
215 }
216 if (pf_z32) {
217 depth_bits_array[depth_buffer_factor] = 32;
218 stencil_bits_array[depth_buffer_factor++] = 0;
219 }
220
221 mixed_color_depth =
222 p_screen->get_param(p_screen, PIPE_CAP_MIXED_COLOR_DEPTH_BITS);
223
224 assert(ARRAY_SIZE(mesa_formats) == ARRAY_SIZE(pipe_formats));
225
226 /* Expose only BGRA ordering if the loader doesn't support RGBA ordering. */
227 unsigned num_formats;
228 if (dri_loader_get_cap(screen, DRI_LOADER_CAP_RGBA_ORDERING))
229 num_formats = ARRAY_SIZE(mesa_formats);
230 else
231 num_formats = ARRAY_SIZE(mesa_formats) - 2; /* all - RGBA_ORDERING formats */
232
233 /* Add configs. */
234 for (format = 0; format < num_formats; format++) {
235 __DRIconfig **new_configs = NULL;
236 unsigned num_msaa_modes = 0; /* includes a single-sample mode */
237 uint8_t msaa_modes[MSAA_VISUAL_MAX_SAMPLES];
238
239 if (!allow_rgb10 &&
240 (mesa_formats[format] == MESA_FORMAT_B10G10R10A2_UNORM ||
241 mesa_formats[format] == MESA_FORMAT_B10G10R10X2_UNORM))
242 continue;
243
244 if (!p_screen->is_format_supported(p_screen, pipe_formats[format],
245 PIPE_TEXTURE_2D, 0,
246 PIPE_BIND_RENDER_TARGET))
247 continue;
248
249 for (i = 1; i <= msaa_samples_max; i++) {
250 int samples = i > 1 ? i : 0;
251
252 if (p_screen->is_format_supported(p_screen, pipe_formats[format],
253 PIPE_TEXTURE_2D, samples,
254 PIPE_BIND_RENDER_TARGET)) {
255 msaa_modes[num_msaa_modes++] = samples;
256 }
257 }
258
259 if (num_msaa_modes) {
260 /* Single-sample configs with an accumulation buffer. */
261 new_configs = driCreateConfigs(mesa_formats[format],
262 depth_bits_array, stencil_bits_array,
263 depth_buffer_factor, back_buffer_modes,
264 ARRAY_SIZE(back_buffer_modes),
265 msaa_modes, 1,
266 GL_TRUE, !mixed_color_depth);
267 configs = driConcatConfigs(configs, new_configs);
268
269 /* Multi-sample configs without an accumulation buffer. */
270 if (num_msaa_modes > 1) {
271 new_configs = driCreateConfigs(mesa_formats[format],
272 depth_bits_array, stencil_bits_array,
273 depth_buffer_factor, back_buffer_modes,
274 ARRAY_SIZE(back_buffer_modes),
275 msaa_modes+1, num_msaa_modes-1,
276 GL_FALSE, !mixed_color_depth);
277 configs = driConcatConfigs(configs, new_configs);
278 }
279 }
280 }
281
282 if (configs == NULL) {
283 debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__);
284 return NULL;
285 }
286
287 return (const __DRIconfig **)configs;
288 }
289
290 /**
291 * Roughly the converse of dri_fill_in_modes.
292 */
293 void
dri_fill_st_visual(struct st_visual * stvis,struct dri_screen * screen,const struct gl_config * mode)294 dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
295 const struct gl_config *mode)
296 {
297 memset(stvis, 0, sizeof(*stvis));
298
299 if (!mode)
300 return;
301
302 /* Deduce the color format. */
303 switch (mode->redMask) {
304 case 0x3FF00000:
305 if (mode->alphaMask) {
306 assert(mode->alphaMask == 0xC0000000);
307 stvis->color_format = PIPE_FORMAT_B10G10R10A2_UNORM;
308 } else {
309 stvis->color_format = PIPE_FORMAT_B10G10R10X2_UNORM;
310 }
311 break;
312
313 case 0x00FF0000:
314 if (mode->alphaMask) {
315 assert(mode->alphaMask == 0xFF000000);
316 stvis->color_format = mode->sRGBCapable ?
317 PIPE_FORMAT_BGRA8888_SRGB :
318 PIPE_FORMAT_BGRA8888_UNORM;
319 } else {
320 stvis->color_format = mode->sRGBCapable ?
321 PIPE_FORMAT_BGRX8888_SRGB :
322 PIPE_FORMAT_BGRX8888_UNORM;
323 }
324 break;
325
326 case 0x000000FF:
327 if (mode->alphaMask) {
328 assert(mode->alphaMask == 0xFF000000);
329 stvis->color_format = mode->sRGBCapable ?
330 PIPE_FORMAT_RGBA8888_SRGB :
331 PIPE_FORMAT_RGBA8888_UNORM;
332 } else {
333 stvis->color_format = mode->sRGBCapable ?
334 PIPE_FORMAT_RGBX8888_SRGB :
335 PIPE_FORMAT_RGBX8888_UNORM;
336 }
337 break;
338
339 case 0x0000F800:
340 stvis->color_format = PIPE_FORMAT_B5G6R5_UNORM;
341 break;
342
343 default:
344 assert(!"unsupported visual: invalid red mask");
345 return;
346 }
347
348 if (mode->sampleBuffers) {
349 stvis->samples = mode->samples;
350 }
351
352 switch (mode->depthBits) {
353 default:
354 case 0:
355 stvis->depth_stencil_format = PIPE_FORMAT_NONE;
356 break;
357 case 16:
358 stvis->depth_stencil_format = PIPE_FORMAT_Z16_UNORM;
359 break;
360 case 24:
361 if (mode->stencilBits == 0) {
362 stvis->depth_stencil_format = (screen->d_depth_bits_last) ?
363 PIPE_FORMAT_Z24X8_UNORM:
364 PIPE_FORMAT_X8Z24_UNORM;
365 } else {
366 stvis->depth_stencil_format = (screen->sd_depth_bits_last) ?
367 PIPE_FORMAT_Z24_UNORM_S8_UINT:
368 PIPE_FORMAT_S8_UINT_Z24_UNORM;
369 }
370 break;
371 case 32:
372 stvis->depth_stencil_format = PIPE_FORMAT_Z32_UNORM;
373 break;
374 }
375
376 stvis->accum_format = (mode->haveAccumBuffer) ?
377 PIPE_FORMAT_R16G16B16A16_SNORM : PIPE_FORMAT_NONE;
378
379 stvis->buffer_mask |= ST_ATTACHMENT_FRONT_LEFT_MASK;
380 stvis->render_buffer = ST_ATTACHMENT_FRONT_LEFT;
381 if (mode->doubleBufferMode) {
382 stvis->buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK;
383 stvis->render_buffer = ST_ATTACHMENT_BACK_LEFT;
384 }
385 if (mode->stereoMode) {
386 stvis->buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK;
387 if (mode->doubleBufferMode)
388 stvis->buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK;
389 }
390
391 if (mode->haveDepthBuffer || mode->haveStencilBuffer)
392 stvis->buffer_mask |= ST_ATTACHMENT_DEPTH_STENCIL_MASK;
393 /* let the state tracker allocate the accum buffer */
394 }
395
396 static boolean
dri_get_egl_image(struct st_manager * smapi,void * egl_image,struct st_egl_image * stimg)397 dri_get_egl_image(struct st_manager *smapi,
398 void *egl_image,
399 struct st_egl_image *stimg)
400 {
401 struct dri_screen *screen = (struct dri_screen *)smapi;
402 __DRIimage *img = NULL;
403
404 if (screen->lookup_egl_image) {
405 img = screen->lookup_egl_image(screen, egl_image);
406 }
407
408 if (!img)
409 return FALSE;
410
411 stimg->texture = NULL;
412 pipe_resource_reference(&stimg->texture, img->texture);
413 switch (img->dri_components) {
414 case __DRI_IMAGE_COMPONENTS_Y_U_V:
415 stimg->format = PIPE_FORMAT_IYUV;
416 break;
417 case __DRI_IMAGE_COMPONENTS_Y_UV:
418 stimg->format = PIPE_FORMAT_NV12;
419 break;
420 default:
421 stimg->format = img->texture->format;
422 break;
423 }
424 stimg->level = img->level;
425 stimg->layer = img->layer;
426
427 return TRUE;
428 }
429
430 static int
dri_get_param(struct st_manager * smapi,enum st_manager_param param)431 dri_get_param(struct st_manager *smapi,
432 enum st_manager_param param)
433 {
434 struct dri_screen *screen = (struct dri_screen *)smapi;
435
436 switch(param) {
437 case ST_MANAGER_BROKEN_INVALIDATE:
438 return screen->broken_invalidate;
439 default:
440 return 0;
441 }
442 }
443
444 void
dri_destroy_screen_helper(struct dri_screen * screen)445 dri_destroy_screen_helper(struct dri_screen * screen)
446 {
447 if (screen->base.destroy)
448 screen->base.destroy(&screen->base);
449
450 if (screen->st_api && screen->st_api->destroy)
451 screen->st_api->destroy(screen->st_api);
452
453 if (screen->base.screen)
454 screen->base.screen->destroy(screen->base.screen);
455
456 mtx_destroy(&screen->opencl_func_mutex);
457 }
458
459 void
dri_destroy_screen(__DRIscreen * sPriv)460 dri_destroy_screen(__DRIscreen * sPriv)
461 {
462 struct dri_screen *screen = dri_screen(sPriv);
463
464 dri_destroy_screen_helper(screen);
465
466 pipe_loader_release(&screen->dev, 1);
467
468 free(screen);
469 sPriv->driverPrivate = NULL;
470 sPriv->extensions = NULL;
471 }
472
473 static void
dri_postprocessing_init(struct dri_screen * screen)474 dri_postprocessing_init(struct dri_screen *screen)
475 {
476 unsigned i;
477
478 for (i = 0; i < PP_FILTERS; i++) {
479 screen->pp_enabled[i] = driQueryOptioni(&screen->dev->option_cache,
480 pp_filters[i].name);
481 }
482 }
483
484 static void
dri_set_background_context(struct st_context_iface * st,struct util_queue_monitoring * queue_info)485 dri_set_background_context(struct st_context_iface *st,
486 struct util_queue_monitoring *queue_info)
487 {
488 struct dri_context *ctx = (struct dri_context *)st->st_manager_private;
489 const __DRIbackgroundCallableExtension *backgroundCallable =
490 ctx->sPriv->dri2.backgroundCallable;
491
492 /* Note: Mesa will only call this function if GL multithreading is enabled
493 * We only do that if the loader exposed the __DRI_BACKGROUND_CALLABLE
494 * extension. So we know that backgroundCallable is not NULL.
495 */
496 assert(backgroundCallable);
497 backgroundCallable->setBackgroundContext(ctx->cPriv->loaderPrivate);
498
499 if (ctx->hud)
500 hud_add_queue_for_monitoring(ctx->hud, queue_info);
501 }
502
503 void
dri_init_options(struct dri_screen * screen)504 dri_init_options(struct dri_screen *screen)
505 {
506 pipe_loader_load_options(screen->dev);
507
508 dri_fill_st_options(screen);
509 }
510
511 const __DRIconfig **
dri_init_screen_helper(struct dri_screen * screen,struct pipe_screen * pscreen)512 dri_init_screen_helper(struct dri_screen *screen,
513 struct pipe_screen *pscreen)
514 {
515 screen->base.screen = pscreen;
516 screen->base.get_egl_image = dri_get_egl_image;
517 screen->base.get_param = dri_get_param;
518 screen->base.set_background_context = dri_set_background_context;
519
520 screen->st_api = st_gl_api_create();
521 if (!screen->st_api)
522 return NULL;
523
524 if(pscreen->get_param(pscreen, PIPE_CAP_NPOT_TEXTURES))
525 screen->target = PIPE_TEXTURE_2D;
526 else
527 screen->target = PIPE_TEXTURE_RECT;
528
529 dri_postprocessing_init(screen);
530
531 screen->st_api->query_versions(screen->st_api, &screen->base,
532 &screen->options,
533 &screen->sPriv->max_gl_core_version,
534 &screen->sPriv->max_gl_compat_version,
535 &screen->sPriv->max_gl_es1_version,
536 &screen->sPriv->max_gl_es2_version);
537
538 return dri_fill_in_modes(screen);
539 }
540
541 /* vim: set sw=3 ts=8 sts=3 expandtab: */
542