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 <GL/internal/dri_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_context.h"
36 #include "st_texture.h"
37 #include "st_format.h"
38 #include "st_manager.h"
39 #include "st_sampler_view.h"
40 #include "util/u_surface.h"
41
42 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)43 is_format_supported(struct pipe_screen *screen, enum pipe_format format,
44 unsigned nr_samples, unsigned nr_storage_samples,
45 unsigned usage, bool *native_supported)
46 {
47 bool supported = screen->is_format_supported(screen, format, PIPE_TEXTURE_2D,
48 nr_samples, nr_storage_samples,
49 usage);
50 *native_supported = supported;
51
52 /* for sampling, some formats can be emulated.. it doesn't matter that
53 * the surface will have a format that the driver can't cope with because
54 * we'll give it sampler view formats that it can deal with and generate
55 * a shader variant that converts.
56 */
57 if ((usage == PIPE_BIND_SAMPLER_VIEW) && !supported) {
58 switch (format) {
59 case PIPE_FORMAT_IYUV:
60 supported = screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM,
61 PIPE_TEXTURE_2D, nr_samples,
62 nr_storage_samples, usage);
63 break;
64 case PIPE_FORMAT_NV12:
65 supported = screen->is_format_supported(screen, PIPE_FORMAT_R8_UNORM,
66 PIPE_TEXTURE_2D, nr_samples,
67 nr_storage_samples, usage) &&
68 screen->is_format_supported(screen, PIPE_FORMAT_R8G8_UNORM,
69 PIPE_TEXTURE_2D, nr_samples,
70 nr_storage_samples, usage);
71 break;
72 case PIPE_FORMAT_P010:
73 case PIPE_FORMAT_P012:
74 case PIPE_FORMAT_P016:
75 supported = screen->is_format_supported(screen, PIPE_FORMAT_R16_UNORM,
76 PIPE_TEXTURE_2D, nr_samples,
77 nr_storage_samples, usage) &&
78 screen->is_format_supported(screen, PIPE_FORMAT_R16G16_UNORM,
79 PIPE_TEXTURE_2D, nr_samples,
80 nr_storage_samples, usage);
81 break;
82 case PIPE_FORMAT_Y210:
83 case PIPE_FORMAT_Y212:
84 case PIPE_FORMAT_Y216:
85 supported = screen->is_format_supported(screen, PIPE_FORMAT_R16G16_UNORM,
86 PIPE_TEXTURE_2D, nr_samples,
87 nr_storage_samples, usage) &&
88 screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_UNORM,
89 PIPE_TEXTURE_2D, nr_samples,
90 nr_storage_samples, usage);
91 break;
92 case PIPE_FORMAT_Y410:
93 supported = screen->is_format_supported(screen, PIPE_FORMAT_R10G10B10A2_UNORM,
94 PIPE_TEXTURE_2D, nr_samples,
95 nr_storage_samples, usage);
96 break;
97 case PIPE_FORMAT_Y412:
98 case PIPE_FORMAT_Y416:
99 supported = screen->is_format_supported(screen, PIPE_FORMAT_R16G16B16A16_UNORM,
100 PIPE_TEXTURE_2D, nr_samples,
101 nr_storage_samples, usage);
102 break;
103 case PIPE_FORMAT_YUYV:
104 supported = screen->is_format_supported(screen, PIPE_FORMAT_R8G8_R8B8_UNORM,
105 PIPE_TEXTURE_2D, nr_samples,
106 nr_storage_samples, usage) ||
107 (screen->is_format_supported(screen, PIPE_FORMAT_RG88_UNORM,
108 PIPE_TEXTURE_2D, nr_samples,
109 nr_storage_samples, usage) &&
110 screen->is_format_supported(screen, PIPE_FORMAT_BGRA8888_UNORM,
111 PIPE_TEXTURE_2D, nr_samples,
112 nr_storage_samples, usage));
113 break;
114 case PIPE_FORMAT_UYVY:
115 supported = screen->is_format_supported(screen, PIPE_FORMAT_G8R8_B8R8_UNORM,
116 PIPE_TEXTURE_2D, nr_samples,
117 nr_storage_samples, usage) ||
118 (screen->is_format_supported(screen, PIPE_FORMAT_RG88_UNORM,
119 PIPE_TEXTURE_2D, nr_samples,
120 nr_storage_samples, usage) &&
121 screen->is_format_supported(screen, PIPE_FORMAT_RGBA8888_UNORM,
122 PIPE_TEXTURE_2D, nr_samples,
123 nr_storage_samples, usage));
124 break;
125 case PIPE_FORMAT_AYUV:
126 supported = screen->is_format_supported(screen, PIPE_FORMAT_RGBA8888_UNORM,
127 PIPE_TEXTURE_2D, nr_samples,
128 nr_storage_samples, usage);
129 break;
130 case PIPE_FORMAT_XYUV:
131 supported = screen->is_format_supported(screen, PIPE_FORMAT_RGBX8888_UNORM,
132 PIPE_TEXTURE_2D, nr_samples,
133 nr_storage_samples, usage);
134 break;
135 default:
136 break;
137 }
138 }
139
140 return supported;
141 }
142
143 static bool
is_nv12_as_r8_g8b8_supported(struct pipe_screen * screen,struct st_egl_image * out,unsigned usage,bool * native_supported)144 is_nv12_as_r8_g8b8_supported(struct pipe_screen *screen, struct st_egl_image *out,
145 unsigned usage, bool *native_supported)
146 {
147 if (out->format == PIPE_FORMAT_NV12 &&
148 out->texture->format == PIPE_FORMAT_R8_G8B8_420_UNORM &&
149 screen->is_format_supported(screen, PIPE_FORMAT_R8_G8B8_420_UNORM,
150 PIPE_TEXTURE_2D,
151 out->texture->nr_samples,
152 out->texture->nr_storage_samples,
153 usage)) {
154 *native_supported = false;
155 return true;
156 }
157
158 return false;
159 }
160
161
162 /**
163 * Return the gallium texture of an EGLImage.
164 */
165 static bool
st_get_egl_image(struct gl_context * ctx,GLeglImageOES image_handle,unsigned usage,const char * error,struct st_egl_image * out,bool * native_supported)166 st_get_egl_image(struct gl_context *ctx, GLeglImageOES image_handle,
167 unsigned usage, const char *error, struct st_egl_image *out,
168 bool *native_supported)
169 {
170 struct st_context *st = st_context(ctx);
171 struct pipe_screen *screen = st->screen;
172 struct st_manager *smapi =
173 (struct st_manager *) st->iface.st_context_private;
174
175 if (!smapi || !smapi->get_egl_image)
176 return false;
177
178 memset(out, 0, sizeof(*out));
179 if (!smapi->get_egl_image(smapi, (void *) image_handle, out)) {
180 /* image_handle does not refer to a valid EGL image object */
181 _mesa_error(ctx, GL_INVALID_VALUE, "%s(image handle not found)", error);
182 return false;
183 }
184
185 if (!is_nv12_as_r8_g8b8_supported(screen, out, usage, native_supported) &&
186 !is_format_supported(screen, out->format, out->texture->nr_samples,
187 out->texture->nr_storage_samples, usage,
188 native_supported)) {
189 /* unable to specify a texture object using the specified EGL image */
190 pipe_resource_reference(&out->texture, NULL);
191 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(format not supported)", error);
192 return false;
193 }
194
195 ctx->Shared->HasExternallySharedImages = true;
196 return true;
197 }
198
199 /**
200 * Return the base format just like _mesa_base_fbo_format does.
201 */
202 static GLenum
st_pipe_format_to_base_format(enum pipe_format format)203 st_pipe_format_to_base_format(enum pipe_format format)
204 {
205 GLenum base_format;
206
207 if (util_format_is_depth_or_stencil(format)) {
208 if (util_format_is_depth_and_stencil(format)) {
209 base_format = GL_DEPTH_STENCIL;
210 }
211 else {
212 if (format == PIPE_FORMAT_S8_UINT)
213 base_format = GL_STENCIL_INDEX;
214 else
215 base_format = GL_DEPTH_COMPONENT;
216 }
217 }
218 else {
219 /* is this enough? */
220 if (util_format_has_alpha(format))
221 base_format = GL_RGBA;
222 else
223 base_format = GL_RGB;
224 }
225
226 return base_format;
227 }
228
229 void
st_egl_image_target_renderbuffer_storage(struct gl_context * ctx,struct gl_renderbuffer * rb,GLeglImageOES image_handle)230 st_egl_image_target_renderbuffer_storage(struct gl_context *ctx,
231 struct gl_renderbuffer *rb,
232 GLeglImageOES image_handle)
233 {
234 struct st_egl_image stimg;
235 bool native_supported;
236
237 if (st_get_egl_image(ctx, image_handle, PIPE_BIND_RENDER_TARGET,
238 "glEGLImageTargetRenderbufferStorage",
239 &stimg, &native_supported)) {
240 struct pipe_context *pipe = st_context(ctx)->pipe;
241 struct pipe_surface *ps, surf_tmpl;
242
243 u_surface_default_template(&surf_tmpl, stimg.texture);
244 surf_tmpl.format = stimg.format;
245 surf_tmpl.u.tex.level = stimg.level;
246 surf_tmpl.u.tex.first_layer = stimg.layer;
247 surf_tmpl.u.tex.last_layer = stimg.layer;
248 ps = pipe->create_surface(pipe, stimg.texture, &surf_tmpl);
249 pipe_resource_reference(&stimg.texture, NULL);
250
251 if (!ps)
252 return;
253
254 rb->Format = st_pipe_format_to_mesa_format(ps->format);
255 rb->_BaseFormat = st_pipe_format_to_base_format(ps->format);
256 rb->InternalFormat = rb->_BaseFormat;
257
258 st_set_ws_renderbuffer_surface(rb, ps);
259 pipe_surface_reference(&ps, NULL);
260 }
261 }
262
263 static 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)264 st_bind_egl_image(struct gl_context *ctx,
265 struct gl_texture_object *texObj,
266 struct gl_texture_image *texImage,
267 struct st_egl_image *stimg,
268 bool tex_storage,
269 bool native_supported)
270 {
271 struct st_context *st = st_context(ctx);
272 GLenum internalFormat;
273 mesa_format texFormat;
274
275 if (stimg->internalformat) {
276 internalFormat = stimg->internalformat;
277 } else {
278 /* map pipe format to base format */
279 if (util_format_get_component_bits(stimg->format,
280 UTIL_FORMAT_COLORSPACE_RGB, 3) > 0)
281 internalFormat = GL_RGBA;
282 else
283 internalFormat = GL_RGB;
284 }
285
286 /* switch to surface based */
287 if (!texObj->surface_based) {
288 _mesa_clear_texture_object(ctx, texObj, NULL);
289 texObj->surface_based = GL_TRUE;
290 }
291
292 /* TODO RequiredTextureImageUnits should probably be reset back
293 * to 1 somewhere if different texture is bound??
294 */
295 if (!native_supported) {
296 switch (stimg->format) {
297 case PIPE_FORMAT_NV12:
298 if (stimg->texture->format == PIPE_FORMAT_R8_G8B8_420_UNORM) {
299 texFormat = MESA_FORMAT_R8G8B8X8_UNORM;
300 texObj->RequiredTextureImageUnits = 1;
301 } else {
302 texFormat = MESA_FORMAT_R_UNORM8;
303 texObj->RequiredTextureImageUnits = 2;
304 }
305 break;
306 case PIPE_FORMAT_P010:
307 case PIPE_FORMAT_P012:
308 case PIPE_FORMAT_P016:
309 texFormat = MESA_FORMAT_R_UNORM16;
310 texObj->RequiredTextureImageUnits = 2;
311 break;
312 case PIPE_FORMAT_Y210:
313 case PIPE_FORMAT_Y212:
314 case PIPE_FORMAT_Y216:
315 texFormat = MESA_FORMAT_RG_UNORM16;
316 texObj->RequiredTextureImageUnits = 2;
317 break;
318 case PIPE_FORMAT_Y410:
319 texFormat = MESA_FORMAT_B10G10R10A2_UNORM;
320 internalFormat = GL_RGBA;
321 texObj->RequiredTextureImageUnits = 1;
322 break;
323 case PIPE_FORMAT_Y412:
324 case PIPE_FORMAT_Y416:
325 texFormat = MESA_FORMAT_RGBA_UNORM16;
326 internalFormat = GL_RGBA;
327 texObj->RequiredTextureImageUnits = 1;
328 break;
329 case PIPE_FORMAT_IYUV:
330 texFormat = MESA_FORMAT_R_UNORM8;
331 texObj->RequiredTextureImageUnits = 3;
332 break;
333 case PIPE_FORMAT_YUYV:
334 case PIPE_FORMAT_UYVY:
335 if (stimg->texture->format == PIPE_FORMAT_R8G8_R8B8_UNORM) {
336 texFormat = MESA_FORMAT_RG_RB_UNORM8;
337 texObj->RequiredTextureImageUnits = 1;
338 } else if (stimg->texture->format == PIPE_FORMAT_G8R8_B8R8_UNORM) {
339 texFormat = MESA_FORMAT_GR_BR_UNORM8;
340 texObj->RequiredTextureImageUnits = 1;
341 } else {
342 texFormat = MESA_FORMAT_RG_UNORM8;
343 texObj->RequiredTextureImageUnits = 2;
344 }
345 break;
346 case PIPE_FORMAT_AYUV:
347 texFormat = MESA_FORMAT_R8G8B8A8_UNORM;
348 internalFormat = GL_RGBA;
349 texObj->RequiredTextureImageUnits = 1;
350 break;
351 case PIPE_FORMAT_XYUV:
352 texFormat = MESA_FORMAT_R8G8B8X8_UNORM;
353 texObj->RequiredTextureImageUnits = 1;
354 break;
355 default:
356 unreachable("unexpected emulated format");
357 break;
358 }
359 } else {
360 texFormat = st_pipe_format_to_mesa_format(stimg->format);
361 /* Use previously derived internalformat as specified by
362 * EXT_EGL_image_storage.
363 */
364 if (tex_storage && texObj->Target == GL_TEXTURE_2D
365 && stimg->internalformat) {
366 internalFormat = stimg->internalformat;
367 if (internalFormat == GL_NONE) {
368 _mesa_error(ctx, GL_INVALID_OPERATION, __func__);
369 return;
370 }
371 }
372 }
373 assert(texFormat != MESA_FORMAT_NONE);
374
375
376 /* Minify texture size based on level set on the EGLImage. */
377 uint32_t width = u_minify(stimg->texture->width0, stimg->level);
378 uint32_t height = u_minify(stimg->texture->height0, stimg->level);
379
380 _mesa_init_teximage_fields(ctx, texImage, width, height,
381 1, 0, internalFormat, texFormat);
382
383 pipe_resource_reference(&texObj->pt, stimg->texture);
384 st_texture_release_all_sampler_views(st, texObj);
385 pipe_resource_reference(&texImage->pt, texObj->pt);
386 if (st->screen->resource_changed)
387 st->screen->resource_changed(st->screen, texImage->pt);
388
389 texObj->surface_format = stimg->format;
390
391 switch (stimg->yuv_color_space) {
392 case __DRI_YUV_COLOR_SPACE_ITU_REC709:
393 texObj->yuv_color_space = GL_TEXTURE_YUV_COLOR_SPACE_REC709;
394 break;
395 case __DRI_YUV_COLOR_SPACE_ITU_REC2020:
396 texObj->yuv_color_space = GL_TEXTURE_YUV_COLOR_SPACE_REC2020;
397 break;
398 default:
399 texObj->yuv_color_space = GL_TEXTURE_YUV_COLOR_SPACE_REC601;
400 break;
401 }
402
403 if (stimg->yuv_range == __DRI_YUV_FULL_RANGE)
404 texObj->yuv_full_range = true;
405
406 texObj->level_override = stimg->level;
407 texObj->layer_override = stimg->layer;
408
409 _mesa_dirty_texobj(ctx, texObj);
410 }
411
412 void
st_egl_image_target_texture_2d(struct gl_context * ctx,GLenum target,struct gl_texture_object * texObj,struct gl_texture_image * texImage,GLeglImageOES image_handle)413 st_egl_image_target_texture_2d(struct gl_context *ctx, GLenum target,
414 struct gl_texture_object *texObj,
415 struct gl_texture_image *texImage,
416 GLeglImageOES image_handle)
417 {
418 struct st_egl_image stimg;
419 bool native_supported;
420
421 if (!st_get_egl_image(ctx, image_handle, PIPE_BIND_SAMPLER_VIEW,
422 "glEGLImageTargetTexture2D", &stimg,
423 &native_supported))
424 return;
425
426 st_bind_egl_image(ctx, texObj, texImage, &stimg,
427 target != GL_TEXTURE_EXTERNAL_OES,
428 native_supported);
429 pipe_resource_reference(&stimg.texture, NULL);
430 }
431
432 void
st_egl_image_target_tex_storage(struct gl_context * ctx,GLenum target,struct gl_texture_object * texObj,struct gl_texture_image * texImage,GLeglImageOES image_handle)433 st_egl_image_target_tex_storage(struct gl_context *ctx, GLenum target,
434 struct gl_texture_object *texObj,
435 struct gl_texture_image *texImage,
436 GLeglImageOES image_handle)
437 {
438 struct st_egl_image stimg;
439 bool native_supported;
440
441 if (!st_get_egl_image(ctx, image_handle, PIPE_BIND_SAMPLER_VIEW,
442 "glEGLImageTargetTexture2D", &stimg,
443 &native_supported))
444 return;
445
446 st_bind_egl_image(ctx, texObj, texImage, &stimg, true, native_supported);
447 pipe_resource_reference(&stimg.texture, NULL);
448 }
449
450 static GLboolean
st_validate_egl_image(struct gl_context * ctx,GLeglImageOES image_handle)451 st_validate_egl_image(struct gl_context *ctx, GLeglImageOES image_handle)
452 {
453 struct st_context *st = st_context(ctx);
454 struct st_manager *smapi =
455 (struct st_manager *) st->iface.st_context_private;
456
457 return smapi->validate_egl_image(smapi, (void *)image_handle);
458 }
459
460 void
st_init_eglimage_functions(struct dd_function_table * functions,bool has_egl_image_validate)461 st_init_eglimage_functions(struct dd_function_table *functions,
462 bool has_egl_image_validate)
463 {
464 if (has_egl_image_validate)
465 functions->ValidateEGLImage = st_validate_egl_image;
466 }
467