2 * (C) Copyright IBM Corporation 2002, 2004
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
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 NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE.
27 * DRI utility functions.
29 * This module acts as glue between GLX and the actual hardware driver. A DRI
30 * driver doesn't really \e have to use any of this - it's optional. But, some
31 * useful stuff is done here that otherwise would have to be duplicated in most
34 * Basically, these utility functions take care of some of the dirty details of
35 * screen initialization, context creation, context binding, DRM setup, etc.
37 * These functions are compiled into each DRI driver so libGL.so knows nothing
43 #ifndef __NOT_HAVE_DRM_H
49 #include "../glsl/glsl_parser_extras.h"
50 #include "main/mtypes.h"
51 #include "main/version.h"
52 #include "main/errors.h"
53 #include "main/macros.h"
55 const char __dri2ConfigOptions
[] =
57 DRI_CONF_SECTION_PERFORMANCE
58 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_1
)
62 /*****************************************************************/
63 /** \name Screen handling functions */
64 /*****************************************************************/
68 setupLoaderExtensions(__DRIscreen
*psp
,
69 const __DRIextension
**extensions
)
73 for (i
= 0; extensions
[i
]; i
++) {
74 if (strcmp(extensions
[i
]->name
, __DRI_DRI2_LOADER
) == 0)
75 psp
->dri2
.loader
= (__DRIdri2LoaderExtension
*) extensions
[i
];
76 if (strcmp(extensions
[i
]->name
, __DRI_IMAGE_LOOKUP
) == 0)
77 psp
->dri2
.image
= (__DRIimageLookupExtension
*) extensions
[i
];
78 if (strcmp(extensions
[i
]->name
, __DRI_USE_INVALIDATE
) == 0)
79 psp
->dri2
.useInvalidate
= (__DRIuseInvalidateExtension
*) extensions
[i
];
80 if (strcmp(extensions
[i
]->name
, __DRI_SWRAST_LOADER
) == 0)
81 psp
->swrast_loader
= (__DRIswrastLoaderExtension
*) extensions
[i
];
82 if (strcmp(extensions
[i
]->name
, __DRI_IMAGE_LOADER
) == 0)
83 psp
->image
.loader
= (__DRIimageLoaderExtension
*) extensions
[i
];
88 * This pointer determines which driver API we'll use in the case of the
89 * loader not passing us an explicit driver extensions list (that would,
90 * itself, contain a pointer to a driver API.)
92 * A driver's driDriverGetExtensions_drivername() can update this pointer to
93 * what it's returning, and a loader that is ignorant of createNewScreen2()
94 * will get the correct driver screen created, as long as no other
95 * driDriverGetExtensions() happened in between the first one and the
98 * This allows the X Server to not require the significant dri_interface.h
99 * updates for doing createNewScreen2(), which would discourage backporting of
100 * the X Server patches to support the new loader interface.
102 const struct __DriverAPIRec
*globalDriverAPI
= &driDriverAPI
;
105 * This is the first entrypoint in the driver called by the DRI driver loader
106 * after dlopen()ing it.
108 * It's used to create global state for the driver across contexts on the same
112 driCreateNewScreen2(int scrn
, int fd
,
113 const __DRIextension
**extensions
,
114 const __DRIextension
**driver_extensions
,
115 const __DRIconfig
***driver_configs
, void *data
)
117 static const __DRIextension
*emptyExtensionList
[] = { NULL
};
120 psp
= calloc(1, sizeof(*psp
));
124 /* By default, use the global driDriverAPI symbol (non-megadrivers). */
125 psp
->driver
= globalDriverAPI
;
127 /* If the driver exposes its vtable through its extensions list
128 * (megadrivers), use that instead.
130 if (driver_extensions
) {
131 for (int i
= 0; driver_extensions
[i
]; i
++) {
132 if (strcmp(driver_extensions
[i
]->name
, __DRI_DRIVER_VTABLE
) == 0) {
134 ((__DRIDriverVtableExtension
*)driver_extensions
[i
])->vtable
;
139 setupLoaderExtensions(psp
, extensions
);
141 #ifndef __NOT_HAVE_DRM_H
143 drmVersionPtr version
= drmGetVersion(fd
);
145 psp
->drm_version
.major
= version
->version_major
;
146 psp
->drm_version
.minor
= version
->version_minor
;
147 psp
->drm_version
.patch
= version
->version_patchlevel
;
148 drmFreeVersion(version
);
153 psp
->loaderPrivate
= data
;
155 psp
->extensions
= emptyExtensionList
;
159 *driver_configs
= psp
->driver
->InitScreen(psp
);
160 if (*driver_configs
== NULL
) {
165 struct gl_constants consts
= { 0 };
170 if (_mesa_override_gl_version_contextless(&consts
, &api
, &version
))
171 psp
->max_gl_es2_version
= version
;
173 api
= API_OPENGL_COMPAT
;
174 if (_mesa_override_gl_version_contextless(&consts
, &api
, &version
)) {
175 if (api
== API_OPENGL_CORE
) {
176 psp
->max_gl_core_version
= version
;
178 psp
->max_gl_compat_version
= version
;
182 psp
->api_mask
= (1 << __DRI_API_OPENGL
);
183 if (psp
->max_gl_core_version
> 0)
184 psp
->api_mask
|= (1 << __DRI_API_OPENGL_CORE
);
185 if (psp
->max_gl_es1_version
> 0)
186 psp
->api_mask
|= (1 << __DRI_API_GLES
);
187 if (psp
->max_gl_es2_version
> 0)
188 psp
->api_mask
|= (1 << __DRI_API_GLES2
);
189 if (psp
->max_gl_es2_version
>= 30)
190 psp
->api_mask
|= (1 << __DRI_API_GLES3
);
192 driParseOptionInfo(&psp
->optionInfo
, __dri2ConfigOptions
);
193 driParseConfigFiles(&psp
->optionCache
, &psp
->optionInfo
, psp
->myNum
, "dri2");
200 dri2CreateNewScreen(int scrn
, int fd
,
201 const __DRIextension
**extensions
,
202 const __DRIconfig
***driver_configs
, void *data
)
204 return driCreateNewScreen2(scrn
, fd
, extensions
, NULL
,
205 driver_configs
, data
);
208 /** swrast driver createNewScreen entrypoint. */
210 driSWRastCreateNewScreen(int scrn
, const __DRIextension
**extensions
,
211 const __DRIconfig
***driver_configs
, void *data
)
213 return driCreateNewScreen2(scrn
, -1, extensions
, NULL
,
214 driver_configs
, data
);
218 driSWRastCreateNewScreen2(int scrn
, const __DRIextension
**extensions
,
219 const __DRIextension
**driver_extensions
,
220 const __DRIconfig
***driver_configs
, void *data
)
222 return driCreateNewScreen2(scrn
, -1, extensions
, driver_extensions
,
223 driver_configs
, data
);
227 * Destroy the per-screen private information.
230 * This function calls __DriverAPIRec::DestroyScreen on \p screenPrivate, calls
231 * drmClose(), and finally frees \p screenPrivate.
233 static void driDestroyScreen(__DRIscreen
*psp
)
236 /* No interaction with the X-server is possible at this point. This
237 * routine is called after XCloseDisplay, so there is no protocol
238 * stream open to the X-server anymore.
241 _mesa_destroy_shader_compiler();
243 psp
->driver
->DestroyScreen(psp
);
245 driDestroyOptionCache(&psp
->optionCache
);
246 driDestroyOptionInfo(&psp
->optionInfo
);
252 static const __DRIextension
**driGetExtensions(__DRIscreen
*psp
)
254 return psp
->extensions
;
261 validate_context_version(__DRIscreen
*screen
,
263 unsigned major_version
,
264 unsigned minor_version
,
265 unsigned *dri_ctx_error
)
267 unsigned req_version
= 10 * major_version
+ minor_version
;
268 unsigned max_version
= 0;
271 case API_OPENGL_COMPAT
:
272 max_version
= screen
->max_gl_compat_version
;
274 case API_OPENGL_CORE
:
275 max_version
= screen
->max_gl_core_version
;
278 max_version
= screen
->max_gl_es1_version
;
281 max_version
= screen
->max_gl_es2_version
;
288 if (max_version
== 0) {
289 *dri_ctx_error
= __DRI_CTX_ERROR_BAD_API
;
291 } else if (req_version
> max_version
) {
292 *dri_ctx_error
= __DRI_CTX_ERROR_BAD_VERSION
;
299 /*****************************************************************/
300 /** \name Context handling functions */
301 /*****************************************************************/
304 static __DRIcontext
*
305 driCreateContextAttribs(__DRIscreen
*screen
, int api
,
306 const __DRIconfig
*config
,
307 __DRIcontext
*shared
,
308 unsigned num_attribs
,
309 const uint32_t *attribs
,
313 __DRIcontext
*context
;
314 const struct gl_config
*modes
= (config
!= NULL
) ? &config
->modes
: NULL
;
315 void *shareCtx
= (shared
!= NULL
) ? shared
->driverPrivate
: NULL
;
317 unsigned major_version
= 1;
318 unsigned minor_version
= 0;
320 bool notify_reset
= false;
322 assert((num_attribs
== 0) || (attribs
!= NULL
));
324 if (!(screen
->api_mask
& (1 << api
))) {
325 *error
= __DRI_CTX_ERROR_BAD_API
;
330 case __DRI_API_OPENGL
:
331 mesa_api
= API_OPENGL_COMPAT
;
334 mesa_api
= API_OPENGLES
;
336 case __DRI_API_GLES2
:
337 case __DRI_API_GLES3
:
338 mesa_api
= API_OPENGLES2
;
340 case __DRI_API_OPENGL_CORE
:
341 mesa_api
= API_OPENGL_CORE
;
344 *error
= __DRI_CTX_ERROR_BAD_API
;
348 for (unsigned i
= 0; i
< num_attribs
; i
++) {
349 switch (attribs
[i
* 2]) {
350 case __DRI_CTX_ATTRIB_MAJOR_VERSION
:
351 major_version
= attribs
[i
* 2 + 1];
353 case __DRI_CTX_ATTRIB_MINOR_VERSION
:
354 minor_version
= attribs
[i
* 2 + 1];
356 case __DRI_CTX_ATTRIB_FLAGS
:
357 flags
= attribs
[i
* 2 + 1];
359 case __DRI_CTX_ATTRIB_RESET_STRATEGY
:
360 notify_reset
= (attribs
[i
* 2 + 1]
361 != __DRI_CTX_RESET_NO_NOTIFICATION
);
364 /* We can't create a context that satisfies the requirements of an
365 * attribute that we don't understand. Return failure.
367 assert(!"Should not get here.");
368 *error
= __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE
;
373 /* Mesa does not support the GL_ARB_compatibilty extension or the
374 * compatibility profile. This means that we treat a API_OPENGL_COMPAT 3.1 as
375 * API_OPENGL_CORE and reject API_OPENGL_COMPAT 3.2+.
377 if (mesa_api
== API_OPENGL_COMPAT
&& major_version
== 3 && minor_version
== 1)
378 mesa_api
= API_OPENGL_CORE
;
380 if (mesa_api
== API_OPENGL_COMPAT
381 && ((major_version
> 3)
382 || (major_version
== 3 && minor_version
>= 2))) {
383 *error
= __DRI_CTX_ERROR_BAD_API
;
387 /* The latest version of EGL_KHR_create_context spec says:
389 * "If the EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR flag bit is set in
390 * EGL_CONTEXT_FLAGS_KHR, then a <debug context> will be created.
391 * [...] This bit is supported for OpenGL and OpenGL ES contexts.
393 * None of the other flags have any meaning in an ES context, so this seems safe.
395 if (mesa_api
!= API_OPENGL_COMPAT
396 && mesa_api
!= API_OPENGL_CORE
397 && (flags
& ~__DRI_CTX_FLAG_DEBUG
)) {
398 *error
= __DRI_CTX_ERROR_BAD_FLAG
;
402 /* There are no forward-compatible contexts before OpenGL 3.0. The
403 * GLX_ARB_create_context spec says:
405 * "Forward-compatible contexts are defined only for OpenGL versions
408 * Forward-looking contexts are supported by silently converting the
409 * requested API to API_OPENGL_CORE.
411 * In Mesa, a debug context is the same as a regular context.
413 if ((flags
& __DRI_CTX_FLAG_FORWARD_COMPATIBLE
) != 0) {
414 mesa_api
= API_OPENGL_CORE
;
417 const uint32_t allowed_flags
= (__DRI_CTX_FLAG_DEBUG
418 | __DRI_CTX_FLAG_FORWARD_COMPATIBLE
419 | __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS
);
420 if (flags
& ~allowed_flags
) {
421 *error
= __DRI_CTX_ERROR_UNKNOWN_FLAG
;
425 if (!validate_context_version(screen
, mesa_api
,
426 major_version
, minor_version
, error
))
429 context
= calloc(1, sizeof *context
);
431 *error
= __DRI_CTX_ERROR_NO_MEMORY
;
435 context
->loaderPrivate
= data
;
437 context
->driScreenPriv
= screen
;
438 context
->driDrawablePriv
= NULL
;
439 context
->driReadablePriv
= NULL
;
441 if (!screen
->driver
->CreateContext(mesa_api
, modes
, context
,
442 major_version
, minor_version
,
443 flags
, notify_reset
, error
, shareCtx
)) {
448 *error
= __DRI_CTX_ERROR_SUCCESS
;
453 driContextSetFlags(struct gl_context
*ctx
, uint32_t flags
)
455 if ((flags
& __DRI_CTX_FLAG_FORWARD_COMPATIBLE
) != 0)
456 ctx
->Const
.ContextFlags
|= GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT
;
457 if ((flags
& __DRI_CTX_FLAG_DEBUG
) != 0) {
458 _mesa_set_debug_state_int(ctx
, GL_DEBUG_OUTPUT
, GL_TRUE
);
459 ctx
->Const
.ContextFlags
|= GL_CONTEXT_FLAG_DEBUG_BIT
;
463 static __DRIcontext
*
464 driCreateNewContextForAPI(__DRIscreen
*screen
, int api
,
465 const __DRIconfig
*config
,
466 __DRIcontext
*shared
, void *data
)
470 return driCreateContextAttribs(screen
, api
, config
, shared
, 0, NULL
,
474 static __DRIcontext
*
475 driCreateNewContext(__DRIscreen
*screen
, const __DRIconfig
*config
,
476 __DRIcontext
*shared
, void *data
)
478 return driCreateNewContextForAPI(screen
, __DRI_API_OPENGL
,
479 config
, shared
, data
);
483 * Destroy the per-context private information.
486 * This function calls __DriverAPIRec::DestroyContext on \p contextPrivate, calls
487 * drmDestroyContext(), and finally frees \p contextPrivate.
490 driDestroyContext(__DRIcontext
*pcp
)
493 pcp
->driScreenPriv
->driver
->DestroyContext(pcp
);
499 driCopyContext(__DRIcontext
*dest
, __DRIcontext
*src
, unsigned long mask
)
510 /*****************************************************************/
511 /** \name Context (un)binding functions */
512 /*****************************************************************/
515 static void dri_get_drawable(__DRIdrawable
*pdp
);
516 static void dri_put_drawable(__DRIdrawable
*pdp
);
519 * This function takes both a read buffer and a draw buffer. This is needed
520 * for \c glXMakeCurrentReadSGI or GLX 1.3's \c glXMakeContextCurrent
523 static int driBindContext(__DRIcontext
*pcp
,
528 ** Assume error checking is done properly in glXMakeCurrent before
529 ** calling driUnbindContext.
535 /* Bind the drawable to the context */
536 pcp
->driDrawablePriv
= pdp
;
537 pcp
->driReadablePriv
= prp
;
539 pdp
->driContextPriv
= pcp
;
540 dri_get_drawable(pdp
);
542 if (prp
&& pdp
!= prp
) {
543 dri_get_drawable(prp
);
546 return pcp
->driScreenPriv
->driver
->MakeCurrent(pcp
, pdp
, prp
);
552 * \param scrn the screen.
555 * \return \c GL_TRUE on success, or \c GL_FALSE on failure.
558 * This function calls __DriverAPIRec::UnbindContext, and then decrements
559 * __DRIdrawableRec::refcount which must be non-zero for a successful
562 * While casting the opaque private pointers associated with the parameters
563 * into their respective real types it also assures they are not \c NULL.
565 static int driUnbindContext(__DRIcontext
*pcp
)
571 ** Assume error checking is done properly in glXMakeCurrent before
572 ** calling driUnbindContext.
579 ** Call driUnbindContext before checking for valid drawables
580 ** to handle surfaceless contexts properly.
582 pcp
->driScreenPriv
->driver
->UnbindContext(pcp
);
584 pdp
= pcp
->driDrawablePriv
;
585 prp
= pcp
->driReadablePriv
;
587 /* already unbound */
592 if (pdp
->refcount
== 0) {
597 dri_put_drawable(pdp
);
600 if (prp
->refcount
== 0) {
605 dri_put_drawable(prp
);
608 pcp
->driDrawablePriv
= NULL
;
609 pcp
->driReadablePriv
= NULL
;
617 static void dri_get_drawable(__DRIdrawable
*pdp
)
622 static void dri_put_drawable(__DRIdrawable
*pdp
)
629 pdp
->driScreenPriv
->driver
->DestroyBuffer(pdp
);
634 static __DRIdrawable
*
635 driCreateNewDrawable(__DRIscreen
*screen
,
636 const __DRIconfig
*config
,
639 __DRIdrawable
*pdraw
;
641 pdraw
= malloc(sizeof *pdraw
);
645 pdraw
->loaderPrivate
= data
;
647 pdraw
->driScreenPriv
= screen
;
648 pdraw
->driContextPriv
= NULL
;
650 pdraw
->lastStamp
= 0;
654 dri_get_drawable(pdraw
);
656 if (!screen
->driver
->CreateBuffer(screen
, pdraw
, &config
->modes
,
662 pdraw
->dri2
.stamp
= pdraw
->lastStamp
+ 1;
668 driDestroyDrawable(__DRIdrawable
*pdp
)
670 dri_put_drawable(pdp
);
674 dri2AllocateBuffer(__DRIscreen
*screen
,
675 unsigned int attachment
, unsigned int format
,
676 int width
, int height
)
678 return screen
->driver
->AllocateBuffer(screen
, attachment
, format
,
683 dri2ReleaseBuffer(__DRIscreen
*screen
, __DRIbuffer
*buffer
)
685 screen
->driver
->ReleaseBuffer(screen
, buffer
);
690 dri2ConfigQueryb(__DRIscreen
*screen
, const char *var
, unsigned char *val
)
692 if (!driCheckOption(&screen
->optionCache
, var
, DRI_BOOL
))
695 *val
= driQueryOptionb(&screen
->optionCache
, var
);
701 dri2ConfigQueryi(__DRIscreen
*screen
, const char *var
, int *val
)
703 if (!driCheckOption(&screen
->optionCache
, var
, DRI_INT
) &&
704 !driCheckOption(&screen
->optionCache
, var
, DRI_ENUM
))
707 *val
= driQueryOptioni(&screen
->optionCache
, var
);
713 dri2ConfigQueryf(__DRIscreen
*screen
, const char *var
, float *val
)
715 if (!driCheckOption(&screen
->optionCache
, var
, DRI_FLOAT
))
718 *val
= driQueryOptionf(&screen
->optionCache
, var
);
724 driGetAPIMask(__DRIscreen
*screen
)
726 return screen
->api_mask
;
730 * swrast swapbuffers entrypoint.
732 * DRI2 implements this inside the loader with only flushes handled by the
736 driSwapBuffers(__DRIdrawable
*pdp
)
738 assert(pdp
->driScreenPriv
->swrast_loader
);
740 pdp
->driScreenPriv
->driver
->SwapBuffers(pdp
);
743 /** Core interface */
744 const __DRIcoreExtension driCoreExtension
= {
745 .base
= { __DRI_CORE
, 1 },
747 .createNewScreen
= NULL
,
748 .destroyScreen
= driDestroyScreen
,
749 .getExtensions
= driGetExtensions
,
750 .getConfigAttrib
= driGetConfigAttrib
,
751 .indexConfigAttrib
= driIndexConfigAttrib
,
752 .createNewDrawable
= NULL
,
753 .destroyDrawable
= driDestroyDrawable
,
754 .swapBuffers
= driSwapBuffers
, /* swrast */
755 .createNewContext
= driCreateNewContext
, /* swrast */
756 .copyContext
= driCopyContext
,
757 .destroyContext
= driDestroyContext
,
758 .bindContext
= driBindContext
,
759 .unbindContext
= driUnbindContext
762 /** DRI2 interface */
763 const __DRIdri2Extension driDRI2Extension
= {
764 .base
= { __DRI_DRI2
, 4 },
766 .createNewScreen
= dri2CreateNewScreen
,
767 .createNewDrawable
= driCreateNewDrawable
,
768 .createNewContext
= driCreateNewContext
,
769 .getAPIMask
= driGetAPIMask
,
770 .createNewContextForAPI
= driCreateNewContextForAPI
,
771 .allocateBuffer
= dri2AllocateBuffer
,
772 .releaseBuffer
= dri2ReleaseBuffer
,
773 .createContextAttribs
= driCreateContextAttribs
,
774 .createNewScreen2
= driCreateNewScreen2
,
777 const __DRIswrastExtension driSWRastExtension
= {
778 .base
= { __DRI_SWRAST
, 4 },
780 .createNewScreen
= driSWRastCreateNewScreen
,
781 .createNewDrawable
= driCreateNewDrawable
,
782 .createNewContextForAPI
= driCreateNewContextForAPI
,
783 .createContextAttribs
= driCreateContextAttribs
,
784 .createNewScreen2
= driSWRastCreateNewScreen2
,
787 const __DRI2configQueryExtension dri2ConfigQueryExtension
= {
788 .base
= { __DRI2_CONFIG_QUERY
, 1 },
790 .configQueryb
= dri2ConfigQueryb
,
791 .configQueryi
= dri2ConfigQueryi
,
792 .configQueryf
= dri2ConfigQueryf
,
796 dri2InvalidateDrawable(__DRIdrawable
*drawable
)
798 drawable
->dri2
.stamp
++;
802 * Check that the gl_framebuffer associated with dPriv is the right size.
803 * Resize the gl_framebuffer if needed.
804 * It's expected that the dPriv->driverPrivate member points to a
805 * gl_framebuffer object.
808 driUpdateFramebufferSize(struct gl_context
*ctx
, const __DRIdrawable
*dPriv
)
810 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) dPriv
->driverPrivate
;
811 if (fb
&& (dPriv
->w
!= fb
->Width
|| dPriv
->h
!= fb
->Height
)) {
812 ctx
->Driver
.ResizeBuffers(ctx
, fb
, dPriv
->w
, dPriv
->h
);
813 /* if the driver needs the hw lock for ResizeBuffers, the drawable
814 might have changed again by now */
815 assert(fb
->Width
== dPriv
->w
);
816 assert(fb
->Height
== dPriv
->h
);
821 driGLFormatToImageFormat(mesa_format format
)
824 case MESA_FORMAT_B5G6R5_UNORM
:
825 return __DRI_IMAGE_FORMAT_RGB565
;
826 case MESA_FORMAT_B8G8R8X8_UNORM
:
827 return __DRI_IMAGE_FORMAT_XRGB8888
;
828 case MESA_FORMAT_B10G10R10A2_UNORM
:
829 return __DRI_IMAGE_FORMAT_ARGB2101010
;
830 case MESA_FORMAT_B10G10R10X2_UNORM
:
831 return __DRI_IMAGE_FORMAT_XRGB2101010
;
832 case MESA_FORMAT_B8G8R8A8_UNORM
:
833 return __DRI_IMAGE_FORMAT_ARGB8888
;
834 case MESA_FORMAT_R8G8B8A8_UNORM
:
835 return __DRI_IMAGE_FORMAT_ABGR8888
;
836 case MESA_FORMAT_R8G8B8X8_UNORM
:
837 return __DRI_IMAGE_FORMAT_XBGR8888
;
838 case MESA_FORMAT_R_UNORM8
:
839 return __DRI_IMAGE_FORMAT_R8
;
840 case MESA_FORMAT_R8G8_UNORM
:
841 return __DRI_IMAGE_FORMAT_GR88
;
842 case MESA_FORMAT_NONE
:
843 return __DRI_IMAGE_FORMAT_NONE
;
844 case MESA_FORMAT_B8G8R8A8_SRGB
:
845 return __DRI_IMAGE_FORMAT_SARGB8
;
852 driImageFormatToGLFormat(uint32_t image_format
)
854 switch (image_format
) {
855 case __DRI_IMAGE_FORMAT_RGB565
:
856 return MESA_FORMAT_B5G6R5_UNORM
;
857 case __DRI_IMAGE_FORMAT_XRGB8888
:
858 return MESA_FORMAT_B8G8R8X8_UNORM
;
859 case __DRI_IMAGE_FORMAT_ARGB2101010
:
860 return MESA_FORMAT_B10G10R10A2_UNORM
;
861 case __DRI_IMAGE_FORMAT_XRGB2101010
:
862 return MESA_FORMAT_B10G10R10X2_UNORM
;
863 case __DRI_IMAGE_FORMAT_ARGB8888
:
864 return MESA_FORMAT_B8G8R8A8_UNORM
;
865 case __DRI_IMAGE_FORMAT_ABGR8888
:
866 return MESA_FORMAT_R8G8B8A8_UNORM
;
867 case __DRI_IMAGE_FORMAT_XBGR8888
:
868 return MESA_FORMAT_R8G8B8X8_UNORM
;
869 case __DRI_IMAGE_FORMAT_R8
:
870 return MESA_FORMAT_R_UNORM8
;
871 case __DRI_IMAGE_FORMAT_GR88
:
872 return MESA_FORMAT_R8G8_UNORM
;
873 case __DRI_IMAGE_FORMAT_SARGB8
:
874 return MESA_FORMAT_B8G8R8A8_SRGB
;
875 case __DRI_IMAGE_FORMAT_NONE
:
876 return MESA_FORMAT_NONE
;
878 return MESA_FORMAT_NONE
;
882 /** Image driver interface */
883 const __DRIimageDriverExtension driImageDriverExtension
= {
884 .base
= { __DRI_IMAGE_DRIVER
, 1 },
886 .createNewScreen2
= driCreateNewScreen2
,
887 .createNewDrawable
= driCreateNewDrawable
,
888 .getAPIMask
= driGetAPIMask
,
889 .createContextAttribs
= driCreateContextAttribs
,
892 /* swrast copy sub buffer entrypoint. */
893 static void driCopySubBuffer(__DRIdrawable
*pdp
, int x
, int y
,
896 assert(pdp
->driScreenPriv
->swrast_loader
);
898 pdp
->driScreenPriv
->driver
->CopySubBuffer(pdp
, x
, y
, w
, h
);
901 /* for swrast only */
902 const __DRIcopySubBufferExtension driCopySubBufferExtension
= {
903 .base
= { __DRI_COPY_SUB_BUFFER
, 1 },
905 .copySubBuffer
= driCopySubBuffer
,