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1 /*
2  * Mesa 3-D graphics library
3  *
4  * Copyright (C) 2010 LunarG Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included
14  * in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22  * DEALINGS IN THE SOFTWARE.
23  *
24  * Authors:
25  *    Chia-I Wu <olv@lunarg.com>
26  */
27 
28 #include "mesa_interface.h"
29 #include "main/errors.h"
30 #include "main/texobj.h"
31 #include "main/teximage.h"
32 #include "util/u_inlines.h"
33 #include "util/format/u_format.h"
34 #include "st_cb_eglimage.h"
35 #include "st_cb_texture.h"
36 #include "st_context.h"
37 #include "st_texture.h"
38 #include "st_format.h"
39 #include "st_manager.h"
40 #include "st_sampler_view.h"
41 #include "util/u_surface.h"
42 
43 static bool
is_format_supported(struct pipe_screen * screen,enum pipe_format format,unsigned nr_samples,unsigned nr_storage_samples,unsigned usage,bool * native_supported)44 is_format_supported(struct pipe_screen *screen, enum pipe_format format,
45                     unsigned nr_samples, unsigned nr_storage_samples,
46                     unsigned usage, bool *native_supported)
47 {
48    bool supported = screen->is_format_supported(screen, format, PIPE_TEXTURE_2D,
49                                                 nr_samples, nr_storage_samples,
50                                                 usage);
51    *native_supported = supported;
52 
53    /* for sampling, some formats can be emulated.. it doesn't matter that
54     * the surface will have a format that the driver can't cope with because
55     * we'll give it sampler view formats that it can deal with and generate
56     * a shader variant that converts.
57     */
58    if ((usage == PIPE_BIND_SAMPLER_VIEW) && !supported) {
59       switch (format) {
60       case PIPE_FORMAT_IYUV:
61          supported = screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM,
62                                                  PIPE_TEXTURE_2D, nr_samples,
63                                                  nr_storage_samples, usage);
64          break;
65       case PIPE_FORMAT_NV12:
66       case PIPE_FORMAT_NV21:
67       case PIPE_FORMAT_NV16:
68          supported = screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM,
69                                                  PIPE_TEXTURE_2D, nr_samples,
70                                                  nr_storage_samples, usage) &&
71                      screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM,
72                                                  PIPE_TEXTURE_2D, nr_samples,
73                                                  nr_storage_samples, usage);
74          break;
75       case PIPE_FORMAT_P010:
76       case PIPE_FORMAT_P012:
77       case PIPE_FORMAT_P016:
78       case PIPE_FORMAT_P030:
79          supported = screen->is_format_supported(screen, PIPE_FORMAT_R16_UNORM,
80                                                  PIPE_TEXTURE_2D, nr_samples,
81                                                  nr_storage_samples, usage) &&
82                      screen->is_format_supported(screen, PIPE_FORMAT_R16G16_UNORM,
83                                                  PIPE_TEXTURE_2D, nr_samples,
84                                                  nr_storage_samples, usage);
85          break;
86       case PIPE_FORMAT_Y210:
87       case PIPE_FORMAT_Y212:
88       case PIPE_FORMAT_Y216:
89          supported = screen->is_format_supported(screen, PIPE_FORMAT_R16G16_UNORM,
90                                                  PIPE_TEXTURE_2D, nr_samples,
91                                                  nr_storage_samples, usage) &&
92                      screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_UNORM,
93                                                  PIPE_TEXTURE_2D, nr_samples,
94                                                  nr_storage_samples, usage);
95          break;
96       case PIPE_FORMAT_Y410:
97          supported = screen->is_format_supported(screen, PIPE_FORMAT_R10G10B10A2_UNORM,
98                                                  PIPE_TEXTURE_2D, nr_samples,
99                                                  nr_storage_samples, usage);
100          break;
101       case PIPE_FORMAT_Y412:
102       case PIPE_FORMAT_Y416:
103          supported = screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_UNORM,
104                                                  PIPE_TEXTURE_2D, nr_samples,
105                                                  nr_storage_samples, usage);
106          break;
107       case PIPE_FORMAT_YUYV:
108          supported = screen->is_format_supported(screen, PIPE_FORMAT_R8G8_R8B8_UNORM,
109                                                  PIPE_TEXTURE_2D, nr_samples,
110                                                  nr_storage_samples, usage) ||
111                      (screen->is_format_supported(screen, PIPE_FORMAT_RG88_UNORM,
112                                                   PIPE_TEXTURE_2D, nr_samples,
113                                                   nr_storage_samples, usage) &&
114                       screen->is_format_supported(screen, PIPE_FORMAT_BGRA8888_UNORM,
115                                                   PIPE_TEXTURE_2D, nr_samples,
116                                                   nr_storage_samples, usage));
117          break;
118       case PIPE_FORMAT_YVYU:
119          supported = screen->is_format_supported(screen, PIPE_FORMAT_R8B8_R8G8_UNORM,
120                                                  PIPE_TEXTURE_2D, nr_samples,
121                                                  nr_storage_samples, usage) ||
122                      (screen->is_format_supported(screen, PIPE_FORMAT_RG88_UNORM,
123                                                   PIPE_TEXTURE_2D, nr_samples,
124                                                   nr_storage_samples, usage) &&
125                       screen->is_format_supported(screen, PIPE_FORMAT_BGRA8888_UNORM,
126                                                   PIPE_TEXTURE_2D, nr_samples,
127                                                   nr_storage_samples, usage));
128          break;
129       case PIPE_FORMAT_UYVY:
130          supported = screen->is_format_supported(screen, PIPE_FORMAT_G8R8_B8R8_UNORM,
131                                                  PIPE_TEXTURE_2D, nr_samples,
132                                                  nr_storage_samples, usage) ||
133                      (screen->is_format_supported(screen, PIPE_FORMAT_RG88_UNORM,
134                                                   PIPE_TEXTURE_2D, nr_samples,
135                                                   nr_storage_samples, usage) &&
136                       screen->is_format_supported(screen, PIPE_FORMAT_RGBA8888_UNORM,
137                                                   PIPE_TEXTURE_2D, nr_samples,
138                                                   nr_storage_samples, usage));
139          break;
140       case PIPE_FORMAT_VYUY:
141          supported = screen->is_format_supported(screen, PIPE_FORMAT_B8R8_G8R8_UNORM,
142                                                  PIPE_TEXTURE_2D, nr_samples,
143                                                  nr_storage_samples, usage) ||
144                      (screen->is_format_supported(screen, PIPE_FORMAT_RG88_UNORM,
145                                                   PIPE_TEXTURE_2D, nr_samples,
146                                                   nr_storage_samples, usage) &&
147                       screen->is_format_supported(screen, PIPE_FORMAT_RGBA8888_UNORM,
148                                                   PIPE_TEXTURE_2D, nr_samples,
149                                                   nr_storage_samples, usage));
150          break;
151       case PIPE_FORMAT_AYUV:
152          supported = screen->is_format_supported(screen, PIPE_FORMAT_RGBA8888_UNORM,
153                                                  PIPE_TEXTURE_2D, nr_samples,
154                                                  nr_storage_samples, usage);
155          break;
156       case PIPE_FORMAT_XYUV:
157          supported = screen->is_format_supported(screen, PIPE_FORMAT_RGBX8888_UNORM,
158                                                  PIPE_TEXTURE_2D, nr_samples,
159                                                  nr_storage_samples, usage);
160          break;
161        default:
162          break;
163       }
164    }
165 
166    return supported;
167 }
168 
169 static bool
is_fmt_as_r8_g8b8_supported(struct pipe_screen * screen,struct st_egl_image * out,unsigned usage,bool * native_supported)170 is_fmt_as_r8_g8b8_supported(struct pipe_screen *screen, struct st_egl_image *out,
171                              unsigned usage, bool *native_supported)
172 {
173    if (out->format == PIPE_FORMAT_NV12 &&
174        out->texture->format == PIPE_FORMAT_R8_G8B8_420_UNORM &&
175        screen->is_format_supported(screen, PIPE_FORMAT_R8_G8B8_420_UNORM,
176                                    PIPE_TEXTURE_2D,
177                                    out->texture->nr_samples,
178                                    out->texture->nr_storage_samples,
179                                    usage)) {
180       *native_supported = false;
181       return true;
182    }
183 
184    if (out->format == PIPE_FORMAT_NV21 &&
185        out->texture->format == PIPE_FORMAT_R8_B8G8_420_UNORM &&
186        screen->is_format_supported(screen, PIPE_FORMAT_R8_B8G8_420_UNORM,
187                                    PIPE_TEXTURE_2D,
188                                    out->texture->nr_samples,
189                                    out->texture->nr_storage_samples,
190                                    usage)) {
191       *native_supported = false;
192       return true;
193    }
194    if (out->format == PIPE_FORMAT_NV16 &&
195        out->texture->format == PIPE_FORMAT_R8_G8B8_422_UNORM &&
196        screen->is_format_supported(screen, PIPE_FORMAT_R8_G8B8_422_UNORM,
197                                    PIPE_TEXTURE_2D,
198                                    out->texture->nr_samples,
199                                    out->texture->nr_storage_samples,
200                                    usage)) {
201       *native_supported = false;
202       return true;
203    }
204 
205    return false;
206 }
207 
208 static bool
is_fmt_as_r10_g10b10_supported(struct pipe_screen * screen,struct st_egl_image * out,unsigned usage,bool * native_supported)209 is_fmt_as_r10_g10b10_supported(struct pipe_screen *screen, struct st_egl_image *out,
210                              unsigned usage, bool *native_supported)
211 {
212    if (out->format == PIPE_FORMAT_NV15 &&
213        out->texture->format == PIPE_FORMAT_R10_G10B10_420_UNORM &&
214        screen->is_format_supported(screen, PIPE_FORMAT_R10_G10B10_420_UNORM,
215                                    PIPE_TEXTURE_2D,
216                                    out->texture->nr_samples,
217                                    out->texture->nr_storage_samples,
218                                    usage)) {
219       *native_supported = false;
220       return true;
221    }
222    if (out->format == PIPE_FORMAT_NV20 &&
223        out->texture->format == PIPE_FORMAT_R10_G10B10_422_UNORM &&
224        screen->is_format_supported(screen, PIPE_FORMAT_R10_G10B10_422_UNORM,
225                                    PIPE_TEXTURE_2D,
226                                    out->texture->nr_samples,
227                                    out->texture->nr_storage_samples,
228                                    usage)) {
229       *native_supported = false;
230       return true;
231    }
232    return false;
233 }
234 
235 static bool
is_i420_as_r8_g8_b8_420_supported(struct pipe_screen * screen,struct st_egl_image * out,unsigned usage,bool * native_supported)236 is_i420_as_r8_g8_b8_420_supported(struct pipe_screen *screen,
237                                   struct st_egl_image *out,
238                                   unsigned usage, bool *native_supported)
239 {
240    if (out->format == PIPE_FORMAT_IYUV &&
241        out->texture->format == PIPE_FORMAT_R8_G8_B8_420_UNORM &&
242        screen->is_format_supported(screen, PIPE_FORMAT_R8_G8_B8_420_UNORM,
243                                    PIPE_TEXTURE_2D,
244                                    out->texture->nr_samples,
245                                    out->texture->nr_storage_samples,
246                                    usage)) {
247       *native_supported = false;
248       return true;
249    }
250 
251    if (out->format == PIPE_FORMAT_IYUV &&
252        out->texture->format == PIPE_FORMAT_R8_B8_G8_420_UNORM &&
253        screen->is_format_supported(screen, PIPE_FORMAT_R8_B8_G8_420_UNORM,
254                                    PIPE_TEXTURE_2D,
255                                    out->texture->nr_samples,
256                                    out->texture->nr_storage_samples,
257                                    usage)) {
258       *native_supported = false;
259       return true;
260    }
261 
262    return false;
263 }
264 
265 /**
266  * Return the gallium texture of an EGLImage.
267  */
268 bool
st_get_egl_image(struct gl_context * ctx,GLeglImageOES image_handle,unsigned usage,bool tex_compression,const char * error,struct st_egl_image * out,bool * native_supported)269 st_get_egl_image(struct gl_context *ctx, GLeglImageOES image_handle,
270                  unsigned usage, bool tex_compression, const char *error,
271                  struct st_egl_image *out, bool *native_supported)
272 {
273    struct st_context *st = st_context(ctx);
274    struct pipe_screen *screen = st->screen;
275    struct pipe_frontend_screen *fscreen = st->frontend_screen;
276 
277    if (!fscreen || !fscreen->get_egl_image)
278       return false;
279 
280    memset(out, 0, sizeof(*out));
281    if (!fscreen->get_egl_image(fscreen, (void *) image_handle, out)) {
282       /* image_handle does not refer to a valid EGL image object */
283       _mesa_error(ctx, GL_INVALID_VALUE, "%s(image handle not found)", error);
284       return false;
285    }
286 
287    if (!is_fmt_as_r8_g8b8_supported(screen, out, usage, native_supported) &&
288        !is_fmt_as_r10_g10b10_supported(screen, out, usage, native_supported) &&
289        !is_i420_as_r8_g8_b8_420_supported(screen, out, usage, native_supported) &&
290        !is_format_supported(screen, out->format, out->texture->nr_samples,
291                             out->texture->nr_storage_samples, usage,
292                             native_supported)) {
293       /* unable to specify a texture object using the specified EGL image */
294       pipe_resource_reference(&out->texture, NULL);
295       _mesa_error(ctx, GL_INVALID_OPERATION, "%s(format not supported)", error);
296       return false;
297    }
298 
299    if (out->texture->compression_rate != PIPE_COMPRESSION_FIXED_RATE_NONE &&
300        !tex_compression) {
301       /* texture is fixed-rate compressed but a uncompressed one is expected */
302       pipe_resource_reference(&out->texture, NULL);
303       _mesa_error(ctx, GL_INVALID_OPERATION, "%s(fixed-rate compression not enabled)", error);
304       return false;
305    }
306 
307    ctx->Shared->HasExternallySharedImages = true;
308    return true;
309 }
310 
311 /**
312  * Return the base format just like _mesa_base_fbo_format does.
313  */
314 static GLenum
st_pipe_format_to_base_format(enum pipe_format format)315 st_pipe_format_to_base_format(enum pipe_format format)
316 {
317    GLenum base_format;
318 
319    if (util_format_is_depth_or_stencil(format)) {
320       if (util_format_is_depth_and_stencil(format)) {
321          base_format = GL_DEPTH_STENCIL;
322       }
323       else {
324          if (format == PIPE_FORMAT_S8_UINT)
325             base_format = GL_STENCIL_INDEX;
326          else
327             base_format = GL_DEPTH_COMPONENT;
328       }
329    }
330    else {
331       /* is this enough? */
332       if (util_format_has_alpha(format))
333          base_format = GL_RGBA;
334       else
335          base_format = GL_RGB;
336    }
337 
338    return base_format;
339 }
340 
341 void
st_egl_image_target_renderbuffer_storage(struct gl_context * ctx,struct gl_renderbuffer * rb,GLeglImageOES image_handle)342 st_egl_image_target_renderbuffer_storage(struct gl_context *ctx,
343                                          struct gl_renderbuffer *rb,
344                                          GLeglImageOES image_handle)
345 {
346    struct st_egl_image stimg;
347    bool native_supported;
348 
349    if (st_get_egl_image(ctx, image_handle, PIPE_BIND_RENDER_TARGET, false,
350                         "glEGLImageTargetRenderbufferStorage",
351                         &stimg, &native_supported)) {
352       struct pipe_context *pipe = st_context(ctx)->pipe;
353       struct pipe_surface *ps, surf_tmpl;
354 
355       u_surface_default_template(&surf_tmpl, stimg.texture);
356       surf_tmpl.format = stimg.format;
357       surf_tmpl.u.tex.level = stimg.level;
358       surf_tmpl.u.tex.first_layer = stimg.layer;
359       surf_tmpl.u.tex.last_layer = stimg.layer;
360       ps = pipe->create_surface(pipe, stimg.texture, &surf_tmpl);
361       pipe_resource_reference(&stimg.texture, NULL);
362 
363       if (!ps)
364          return;
365 
366       rb->Format = st_pipe_format_to_mesa_format(ps->format);
367       rb->_BaseFormat = st_pipe_format_to_base_format(ps->format);
368       rb->InternalFormat = rb->_BaseFormat;
369 
370       st_set_ws_renderbuffer_surface(rb, ps);
371       pipe_surface_reference(&ps, NULL);
372    }
373 }
374 
375 void
st_bind_egl_image(struct gl_context * ctx,struct gl_texture_object * texObj,struct gl_texture_image * texImage,struct st_egl_image * stimg,bool tex_storage,bool native_supported)376 st_bind_egl_image(struct gl_context *ctx,
377                   struct gl_texture_object *texObj,
378                   struct gl_texture_image *texImage,
379                   struct st_egl_image *stimg,
380                   bool tex_storage,
381                   bool native_supported)
382 {
383    struct st_context *st = st_context(ctx);
384    GLenum internalFormat;
385    mesa_format texFormat;
386 
387    if (stimg->texture->target != gl_target_to_pipe(texObj->Target)) {
388       _mesa_error(ctx, GL_INVALID_OPERATION, __func__);
389       return;
390    }
391 
392    if (stimg->internalformat) {
393       internalFormat = stimg->internalformat;
394    } else {
395       /* map pipe format to base format */
396       if (util_format_get_component_bits(stimg->format,
397                                          UTIL_FORMAT_COLORSPACE_RGB, 3) > 0)
398          internalFormat = GL_RGBA;
399       else
400          internalFormat = GL_RGB;
401    }
402 
403    /* switch to surface based */
404    if (!texObj->surface_based) {
405       _mesa_clear_texture_object(ctx, texObj, NULL);
406       texObj->surface_based = GL_TRUE;
407    }
408 
409    /* TODO RequiredTextureImageUnits should probably be reset back
410     * to 1 somewhere if different texture is bound??
411     */
412    if (!native_supported) {
413       switch (stimg->format) {
414       case PIPE_FORMAT_NV12:
415       case PIPE_FORMAT_NV21:
416          if (stimg->texture->format == PIPE_FORMAT_R8_G8B8_420_UNORM ||
417              stimg->texture->format == PIPE_FORMAT_R8_B8G8_420_UNORM) {
418             texFormat = MESA_FORMAT_R8G8B8X8_UNORM;
419             texObj->RequiredTextureImageUnits = 1;
420          } else {
421             texFormat = MESA_FORMAT_R_UNORM8;
422             texObj->RequiredTextureImageUnits = 2;
423          }
424          break;
425       case PIPE_FORMAT_NV16:
426          if (stimg->texture->format == PIPE_FORMAT_R8_G8B8_422_UNORM ||
427              stimg->texture->format == PIPE_FORMAT_R8_B8G8_422_UNORM) {
428             texFormat = MESA_FORMAT_R8G8B8X8_UNORM;
429             texObj->RequiredTextureImageUnits = 1;
430          } else {
431             texFormat = MESA_FORMAT_R_UNORM8;
432             texObj->RequiredTextureImageUnits = 2;
433          }
434          break;
435       case PIPE_FORMAT_NV15:
436          if (stimg->texture->format == PIPE_FORMAT_R10_G10B10_420_UNORM) {
437             texFormat = MESA_FORMAT_R10G10B10X2_UNORM;
438             texObj->RequiredTextureImageUnits = 1;
439          } else {
440             unreachable("NV15 emulation requires R10_G10B10_420_UNORM support");
441          }
442          break;
443       case PIPE_FORMAT_NV20:
444          if (stimg->texture->format == PIPE_FORMAT_R10_G10B10_422_UNORM) {
445             texFormat = MESA_FORMAT_R10G10B10X2_UNORM;
446             texObj->RequiredTextureImageUnits = 1;
447          } else {
448             unreachable("NV20 emulation requires R10_G10B10_422_UNORM support");
449          }
450          break;
451       case PIPE_FORMAT_P010:
452       case PIPE_FORMAT_P012:
453       case PIPE_FORMAT_P016:
454       case PIPE_FORMAT_P030:
455          texFormat = MESA_FORMAT_R_UNORM16;
456          texObj->RequiredTextureImageUnits = 2;
457          break;
458       case PIPE_FORMAT_Y210:
459       case PIPE_FORMAT_Y212:
460       case PIPE_FORMAT_Y216:
461          texFormat = MESA_FORMAT_RG_UNORM16;
462          texObj->RequiredTextureImageUnits = 2;
463          break;
464       case PIPE_FORMAT_Y410:
465          texFormat = MESA_FORMAT_B10G10R10A2_UNORM;
466          internalFormat = GL_RGBA;
467          texObj->RequiredTextureImageUnits = 1;
468          break;
469       case PIPE_FORMAT_Y412:
470       case PIPE_FORMAT_Y416:
471          texFormat = MESA_FORMAT_RGBA_UNORM16;
472          internalFormat = GL_RGBA;
473          texObj->RequiredTextureImageUnits = 1;
474          break;
475       case PIPE_FORMAT_IYUV:
476          if (stimg->texture->format == PIPE_FORMAT_R8_G8_B8_420_UNORM ||
477              stimg->texture->format == PIPE_FORMAT_R8_B8_G8_420_UNORM) {
478             texFormat = MESA_FORMAT_R8G8B8X8_UNORM;
479             texObj->RequiredTextureImageUnits = 1;
480          } else {
481             texFormat = MESA_FORMAT_R_UNORM8;
482             texObj->RequiredTextureImageUnits = 3;
483          }
484          break;
485       case PIPE_FORMAT_YUYV:
486       case PIPE_FORMAT_YVYU:
487       case PIPE_FORMAT_UYVY:
488       case PIPE_FORMAT_VYUY:
489          if (stimg->texture->format == PIPE_FORMAT_R8G8_R8B8_UNORM) {
490             texFormat = MESA_FORMAT_RG_RB_UNORM8;
491             texObj->RequiredTextureImageUnits = 1;
492          } else if (stimg->texture->format == PIPE_FORMAT_R8B8_R8G8_UNORM) {
493             texFormat = MESA_FORMAT_RB_RG_UNORM8;
494             texObj->RequiredTextureImageUnits = 1;
495          } else if (stimg->texture->format == PIPE_FORMAT_G8R8_B8R8_UNORM) {
496             texFormat = MESA_FORMAT_GR_BR_UNORM8;
497             texObj->RequiredTextureImageUnits = 1;
498          } else if (stimg->texture->format == PIPE_FORMAT_B8R8_G8R8_UNORM) {
499             texFormat = MESA_FORMAT_BR_GR_UNORM8;
500             texObj->RequiredTextureImageUnits = 1;
501          } else {
502             texFormat = MESA_FORMAT_RG_UNORM8;
503             texObj->RequiredTextureImageUnits = 2;
504          }
505          break;
506       case PIPE_FORMAT_AYUV:
507          texFormat = MESA_FORMAT_R8G8B8A8_UNORM;
508          internalFormat = GL_RGBA;
509          texObj->RequiredTextureImageUnits = 1;
510          break;
511       case PIPE_FORMAT_XYUV:
512          texFormat = MESA_FORMAT_R8G8B8X8_UNORM;
513          texObj->RequiredTextureImageUnits = 1;
514          break;
515       default:
516          unreachable("unexpected emulated format");
517          break;
518       }
519    } else {
520       texFormat = st_pipe_format_to_mesa_format(stimg->format);
521       /* Use previously derived internalformat as specified by
522        * EXT_EGL_image_storage.
523        */
524       if (tex_storage && texObj->Target == GL_TEXTURE_2D
525           && stimg->internalformat) {
526          internalFormat = stimg->internalformat;
527          if (internalFormat == GL_NONE) {
528             _mesa_error(ctx, GL_INVALID_OPERATION, __func__);
529             return;
530          }
531       }
532    }
533    assert(texFormat != MESA_FORMAT_NONE);
534 
535 
536    /* Minify texture size based on level set on the EGLImage. */
537    uint32_t width = u_minify(stimg->texture->width0, stimg->level);
538    uint32_t height = u_minify(stimg->texture->height0, stimg->level);
539 
540    _mesa_init_teximage_fields(ctx, texImage, width, height,
541                               1, 0, internalFormat, texFormat);
542 
543    pipe_resource_reference(&texObj->pt, stimg->texture);
544    st_texture_release_all_sampler_views(st, texObj);
545    pipe_resource_reference(&texImage->pt, texObj->pt);
546    if (st->screen->resource_changed)
547       st->screen->resource_changed(st->screen, texImage->pt);
548 
549    texObj->surface_format = stimg->format;
550 
551    switch (stimg->yuv_color_space) {
552    case __DRI_YUV_COLOR_SPACE_ITU_REC709:
553       texObj->yuv_color_space = GL_TEXTURE_YUV_COLOR_SPACE_REC709;
554       break;
555    case __DRI_YUV_COLOR_SPACE_ITU_REC2020:
556       texObj->yuv_color_space = GL_TEXTURE_YUV_COLOR_SPACE_REC2020;
557       break;
558    default:
559       texObj->yuv_color_space = GL_TEXTURE_YUV_COLOR_SPACE_REC601;
560       break;
561    }
562 
563    if (stimg->yuv_range == __DRI_YUV_FULL_RANGE)
564       texObj->yuv_full_range = true;
565 
566    texObj->CompressionRate = stimg->texture->compression_rate;
567 
568    texObj->level_override = stimg->level;
569    texObj->layer_override = stimg->layer;
570    _mesa_update_texture_object_swizzle(ctx, texObj);
571 
572    _mesa_dirty_texobj(ctx, texObj);
573 }
574 
575 bool
st_validate_egl_image(struct gl_context * ctx,GLeglImageOES image_handle)576 st_validate_egl_image(struct gl_context *ctx, GLeglImageOES image_handle)
577 {
578    struct st_context *st = st_context(ctx);
579    struct pipe_frontend_screen *fscreen = st->frontend_screen;
580 
581    return fscreen->validate_egl_image(fscreen, (void *)image_handle);
582 }
583