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 "main/errors.h"
29 #include "main/texobj.h"
30 #include "main/teximage.h"
31 #include "util/u_inlines.h"
32 #include "util/format/u_format.h"
33 #include "st_cb_eglimage.h"
34 #include "st_cb_fbo.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 static 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_renderbuffer *strb = st_renderbuffer(rb);
235 struct st_egl_image stimg;
236 bool native_supported;
237
238 if (st_get_egl_image(ctx, image_handle, PIPE_BIND_RENDER_TARGET,
239 "glEGLImageTargetRenderbufferStorage",
240 &stimg, &native_supported)) {
241 struct pipe_context *pipe = st_context(ctx)->pipe;
242 struct pipe_surface *ps, surf_tmpl;
243
244 u_surface_default_template(&surf_tmpl, stimg.texture);
245 surf_tmpl.format = stimg.format;
246 surf_tmpl.u.tex.level = stimg.level;
247 surf_tmpl.u.tex.first_layer = stimg.layer;
248 surf_tmpl.u.tex.last_layer = stimg.layer;
249 ps = pipe->create_surface(pipe, stimg.texture, &surf_tmpl);
250 pipe_resource_reference(&stimg.texture, NULL);
251
252 if (!ps)
253 return;
254
255 strb->Base.Format = st_pipe_format_to_mesa_format(ps->format);
256 strb->Base._BaseFormat = st_pipe_format_to_base_format(ps->format);
257 strb->Base.InternalFormat = strb->Base._BaseFormat;
258
259 st_set_ws_renderbuffer_surface(strb, ps);
260 pipe_surface_reference(&ps, NULL);
261 }
262 }
263
264 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)265 st_bind_egl_image(struct gl_context *ctx,
266 struct gl_texture_object *texObj,
267 struct gl_texture_image *texImage,
268 struct st_egl_image *stimg,
269 bool tex_storage,
270 bool native_supported)
271 {
272 struct st_context *st = st_context(ctx);
273 struct st_texture_object *stObj;
274 struct st_texture_image *stImage;
275 GLenum internalFormat;
276 mesa_format texFormat;
277
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 stObj = st_texture_object(texObj);
286 stImage = st_texture_image(texImage);
287
288 /* switch to surface based */
289 if (!stObj->surface_based) {
290 _mesa_clear_texture_object(ctx, texObj, NULL);
291 stObj->surface_based = GL_TRUE;
292 }
293
294 /* TODO RequiredTextureImageUnits should probably be reset back
295 * to 1 somewhere if different texture is bound??
296 */
297 if (!native_supported) {
298 switch (stimg->format) {
299 case PIPE_FORMAT_NV12:
300 if (stimg->texture->format == PIPE_FORMAT_R8_G8B8_420_UNORM) {
301 texFormat = MESA_FORMAT_R8G8B8X8_UNORM;
302 texObj->RequiredTextureImageUnits = 1;
303 } else {
304 texFormat = MESA_FORMAT_R_UNORM8;
305 texObj->RequiredTextureImageUnits = 2;
306 }
307 break;
308 case PIPE_FORMAT_P010:
309 case PIPE_FORMAT_P012:
310 case PIPE_FORMAT_P016:
311 texFormat = MESA_FORMAT_R_UNORM16;
312 texObj->RequiredTextureImageUnits = 2;
313 break;
314 case PIPE_FORMAT_Y210:
315 case PIPE_FORMAT_Y212:
316 case PIPE_FORMAT_Y216:
317 texFormat = MESA_FORMAT_RG_UNORM16;
318 texObj->RequiredTextureImageUnits = 2;
319 break;
320 case PIPE_FORMAT_Y410:
321 texFormat = MESA_FORMAT_B10G10R10A2_UNORM;
322 internalFormat = GL_RGBA;
323 texObj->RequiredTextureImageUnits = 1;
324 break;
325 case PIPE_FORMAT_Y412:
326 case PIPE_FORMAT_Y416:
327 texFormat = MESA_FORMAT_RGBA_UNORM16;
328 internalFormat = GL_RGBA;
329 texObj->RequiredTextureImageUnits = 1;
330 break;
331 case PIPE_FORMAT_IYUV:
332 texFormat = MESA_FORMAT_R_UNORM8;
333 texObj->RequiredTextureImageUnits = 3;
334 break;
335 case PIPE_FORMAT_YUYV:
336 case PIPE_FORMAT_UYVY:
337 if (stimg->texture->format == PIPE_FORMAT_R8G8_R8B8_UNORM) {
338 texFormat = MESA_FORMAT_RG_RB_UNORM8;
339 texObj->RequiredTextureImageUnits = 1;
340 } else if (stimg->texture->format == PIPE_FORMAT_G8R8_B8R8_UNORM) {
341 texFormat = MESA_FORMAT_GR_BR_UNORM8;
342 texObj->RequiredTextureImageUnits = 1;
343 } else {
344 texFormat = MESA_FORMAT_RG_UNORM8;
345 texObj->RequiredTextureImageUnits = 2;
346 }
347 break;
348 case PIPE_FORMAT_AYUV:
349 texFormat = MESA_FORMAT_R8G8B8A8_UNORM;
350 internalFormat = GL_RGBA;
351 texObj->RequiredTextureImageUnits = 1;
352 break;
353 case PIPE_FORMAT_XYUV:
354 texFormat = MESA_FORMAT_R8G8B8X8_UNORM;
355 texObj->RequiredTextureImageUnits = 1;
356 break;
357 default:
358 unreachable("unexpected emulated format");
359 break;
360 }
361 } else {
362 texFormat = st_pipe_format_to_mesa_format(stimg->format);
363 /* Use previously derived internalformat as specified by
364 * EXT_EGL_image_storage.
365 */
366 if (tex_storage && texObj->Target == GL_TEXTURE_2D
367 && stimg->internalformat) {
368 internalFormat = stimg->internalformat;
369 if (internalFormat == GL_NONE) {
370 _mesa_error(ctx, GL_INVALID_OPERATION, __func__);
371 return;
372 }
373 }
374 }
375 assert(texFormat != MESA_FORMAT_NONE);
376
377
378 /* Minify texture size based on level set on the EGLImage. */
379 uint32_t width = u_minify(stimg->texture->width0, stimg->level);
380 uint32_t height = u_minify(stimg->texture->height0, stimg->level);
381
382 _mesa_init_teximage_fields(ctx, texImage, width, height,
383 1, 0, internalFormat, texFormat);
384
385 pipe_resource_reference(&stObj->pt, stimg->texture);
386 st_texture_release_all_sampler_views(st, stObj);
387 pipe_resource_reference(&stImage->pt, stObj->pt);
388 if (st->screen->resource_changed)
389 st->screen->resource_changed(st->screen, stImage->pt);
390
391 stObj->surface_format = stimg->format;
392 stObj->level_override = stimg->level;
393 stObj->layer_override = stimg->layer;
394
395 _mesa_dirty_texobj(ctx, texObj);
396 }
397
398 static 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)399 st_egl_image_target_texture_2d(struct gl_context *ctx, GLenum target,
400 struct gl_texture_object *texObj,
401 struct gl_texture_image *texImage,
402 GLeglImageOES image_handle)
403 {
404 struct st_egl_image stimg;
405 bool native_supported;
406
407 if (!st_get_egl_image(ctx, image_handle, PIPE_BIND_SAMPLER_VIEW,
408 "glEGLImageTargetTexture2D", &stimg,
409 &native_supported))
410 return;
411
412 st_bind_egl_image(ctx, texObj, texImage, &stimg,
413 target != GL_TEXTURE_EXTERNAL_OES,
414 native_supported);
415 pipe_resource_reference(&stimg.texture, NULL);
416 }
417
418 static 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)419 st_egl_image_target_tex_storage(struct gl_context *ctx, GLenum target,
420 struct gl_texture_object *texObj,
421 struct gl_texture_image *texImage,
422 GLeglImageOES image_handle)
423 {
424 struct st_egl_image stimg;
425 bool native_supported;
426
427 if (!st_get_egl_image(ctx, image_handle, PIPE_BIND_SAMPLER_VIEW,
428 "glEGLImageTargetTexture2D", &stimg,
429 &native_supported))
430 return;
431
432 st_bind_egl_image(ctx, texObj, texImage, &stimg, true, native_supported);
433 pipe_resource_reference(&stimg.texture, NULL);
434 }
435
436 static GLboolean
st_validate_egl_image(struct gl_context * ctx,GLeglImageOES image_handle)437 st_validate_egl_image(struct gl_context *ctx, GLeglImageOES image_handle)
438 {
439 struct st_context *st = st_context(ctx);
440 struct st_manager *smapi =
441 (struct st_manager *) st->iface.st_context_private;
442
443 return smapi->validate_egl_image(smapi, (void *)image_handle);
444 }
445
446 void
st_init_eglimage_functions(struct dd_function_table * functions,bool has_egl_image_validate)447 st_init_eglimage_functions(struct dd_function_table *functions,
448 bool has_egl_image_validate)
449 {
450 functions->EGLImageTargetTexture2D = st_egl_image_target_texture_2d;
451 functions->EGLImageTargetTexStorage = st_egl_image_target_tex_storage;
452 functions->EGLImageTargetRenderbufferStorage = st_egl_image_target_renderbuffer_storage;
453
454 if (has_egl_image_validate)
455 functions->ValidateEGLImage = st_validate_egl_image;
456 }
457