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
46 #include "main/mtypes.h"
47 #include "main/framebuffer.h"
48 #include "main/version.h"
49 #include "main/debug_output.h"
50 #include "main/errors.h"
51 #include "main/macros.h"
53 const char __dri2ConfigOptions
[] =
55 DRI_CONF_SECTION_PERFORMANCE
56 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_1
)
60 /*****************************************************************/
61 /** \name Screen handling functions */
62 /*****************************************************************/
66 setupLoaderExtensions(__DRIscreen
*psp
,
67 const __DRIextension
**extensions
)
71 for (i
= 0; extensions
[i
]; i
++) {
72 if (strcmp(extensions
[i
]->name
, __DRI_DRI2_LOADER
) == 0)
73 psp
->dri2
.loader
= (__DRIdri2LoaderExtension
*) extensions
[i
];
74 if (strcmp(extensions
[i
]->name
, __DRI_IMAGE_LOOKUP
) == 0)
75 psp
->dri2
.image
= (__DRIimageLookupExtension
*) extensions
[i
];
76 if (strcmp(extensions
[i
]->name
, __DRI_USE_INVALIDATE
) == 0)
77 psp
->dri2
.useInvalidate
= (__DRIuseInvalidateExtension
*) extensions
[i
];
78 if (strcmp(extensions
[i
]->name
, __DRI_SWRAST_LOADER
) == 0)
79 psp
->swrast_loader
= (__DRIswrastLoaderExtension
*) extensions
[i
];
80 if (strcmp(extensions
[i
]->name
, __DRI_IMAGE_LOADER
) == 0)
81 psp
->image
.loader
= (__DRIimageLoaderExtension
*) extensions
[i
];
86 * This pointer determines which driver API we'll use in the case of the
87 * loader not passing us an explicit driver extensions list (that would,
88 * itself, contain a pointer to a driver API.)
90 * A driver's driDriverGetExtensions_drivername() can update this pointer to
91 * what it's returning, and a loader that is ignorant of createNewScreen2()
92 * will get the correct driver screen created, as long as no other
93 * driDriverGetExtensions() happened in between the first one and the
96 * This allows the X Server to not require the significant dri_interface.h
97 * updates for doing createNewScreen2(), which would discourage backporting of
98 * the X Server patches to support the new loader interface.
100 const struct __DriverAPIRec
*globalDriverAPI
= &driDriverAPI
;
103 * This is the first entrypoint in the driver called by the DRI driver loader
104 * after dlopen()ing it.
106 * It's used to create global state for the driver across contexts on the same
110 driCreateNewScreen2(int scrn
, int fd
,
111 const __DRIextension
**extensions
,
112 const __DRIextension
**driver_extensions
,
113 const __DRIconfig
***driver_configs
, void *data
)
115 static const __DRIextension
*emptyExtensionList
[] = { NULL
};
118 psp
= calloc(1, sizeof(*psp
));
122 /* By default, use the global driDriverAPI symbol (non-megadrivers). */
123 psp
->driver
= globalDriverAPI
;
125 /* If the driver exposes its vtable through its extensions list
126 * (megadrivers), use that instead.
128 if (driver_extensions
) {
129 for (int i
= 0; driver_extensions
[i
]; i
++) {
130 if (strcmp(driver_extensions
[i
]->name
, __DRI_DRIVER_VTABLE
) == 0) {
132 ((__DRIDriverVtableExtension
*)driver_extensions
[i
])->vtable
;
137 setupLoaderExtensions(psp
, extensions
);
139 psp
->loaderPrivate
= data
;
141 psp
->extensions
= emptyExtensionList
;
145 *driver_configs
= psp
->driver
->InitScreen(psp
);
146 if (*driver_configs
== NULL
) {
151 struct gl_constants consts
= { 0 };
156 if (_mesa_override_gl_version_contextless(&consts
, &api
, &version
))
157 psp
->max_gl_es2_version
= version
;
159 api
= API_OPENGL_COMPAT
;
160 if (_mesa_override_gl_version_contextless(&consts
, &api
, &version
)) {
161 if (api
== API_OPENGL_CORE
) {
162 psp
->max_gl_core_version
= version
;
164 psp
->max_gl_compat_version
= version
;
169 if (psp
->max_gl_compat_version
> 0)
170 psp
->api_mask
|= (1 << __DRI_API_OPENGL
);
171 if (psp
->max_gl_core_version
> 0)
172 psp
->api_mask
|= (1 << __DRI_API_OPENGL_CORE
);
173 if (psp
->max_gl_es1_version
> 0)
174 psp
->api_mask
|= (1 << __DRI_API_GLES
);
175 if (psp
->max_gl_es2_version
> 0)
176 psp
->api_mask
|= (1 << __DRI_API_GLES2
);
177 if (psp
->max_gl_es2_version
>= 30)
178 psp
->api_mask
|= (1 << __DRI_API_GLES3
);
180 driParseOptionInfo(&psp
->optionInfo
, __dri2ConfigOptions
);
181 driParseConfigFiles(&psp
->optionCache
, &psp
->optionInfo
, psp
->myNum
, "dri2");
188 dri2CreateNewScreen(int scrn
, int fd
,
189 const __DRIextension
**extensions
,
190 const __DRIconfig
***driver_configs
, void *data
)
192 return driCreateNewScreen2(scrn
, fd
, extensions
, NULL
,
193 driver_configs
, data
);
196 /** swrast driver createNewScreen entrypoint. */
198 driSWRastCreateNewScreen(int scrn
, const __DRIextension
**extensions
,
199 const __DRIconfig
***driver_configs
, void *data
)
201 return driCreateNewScreen2(scrn
, -1, extensions
, NULL
,
202 driver_configs
, data
);
206 driSWRastCreateNewScreen2(int scrn
, const __DRIextension
**extensions
,
207 const __DRIextension
**driver_extensions
,
208 const __DRIconfig
***driver_configs
, void *data
)
210 return driCreateNewScreen2(scrn
, -1, extensions
, driver_extensions
,
211 driver_configs
, data
);
215 * Destroy the per-screen private information.
218 * This function calls __DriverAPIRec::DestroyScreen on \p screenPrivate, calls
219 * drmClose(), and finally frees \p screenPrivate.
221 static void driDestroyScreen(__DRIscreen
*psp
)
224 /* No interaction with the X-server is possible at this point. This
225 * routine is called after XCloseDisplay, so there is no protocol
226 * stream open to the X-server anymore.
229 psp
->driver
->DestroyScreen(psp
);
231 driDestroyOptionCache(&psp
->optionCache
);
232 driDestroyOptionInfo(&psp
->optionInfo
);
238 static const __DRIextension
**driGetExtensions(__DRIscreen
*psp
)
240 return psp
->extensions
;
247 validate_context_version(__DRIscreen
*screen
,
249 unsigned major_version
,
250 unsigned minor_version
,
251 unsigned *dri_ctx_error
)
253 unsigned req_version
= 10 * major_version
+ minor_version
;
254 unsigned max_version
= 0;
257 case API_OPENGL_COMPAT
:
258 max_version
= screen
->max_gl_compat_version
;
260 case API_OPENGL_CORE
:
261 max_version
= screen
->max_gl_core_version
;
264 max_version
= screen
->max_gl_es1_version
;
267 max_version
= screen
->max_gl_es2_version
;
274 if (max_version
== 0) {
275 *dri_ctx_error
= __DRI_CTX_ERROR_BAD_API
;
277 } else if (req_version
> max_version
) {
278 *dri_ctx_error
= __DRI_CTX_ERROR_BAD_VERSION
;
285 /*****************************************************************/
286 /** \name Context handling functions */
287 /*****************************************************************/
290 static __DRIcontext
*
291 driCreateContextAttribs(__DRIscreen
*screen
, int api
,
292 const __DRIconfig
*config
,
293 __DRIcontext
*shared
,
294 unsigned num_attribs
,
295 const uint32_t *attribs
,
299 __DRIcontext
*context
;
300 const struct gl_config
*modes
= (config
!= NULL
) ? &config
->modes
: NULL
;
301 void *shareCtx
= (shared
!= NULL
) ? shared
->driverPrivate
: NULL
;
303 unsigned major_version
= 1;
304 unsigned minor_version
= 0;
306 bool notify_reset
= false;
308 assert((num_attribs
== 0) || (attribs
!= NULL
));
310 if (!(screen
->api_mask
& (1 << api
))) {
311 *error
= __DRI_CTX_ERROR_BAD_API
;
316 case __DRI_API_OPENGL
:
317 mesa_api
= API_OPENGL_COMPAT
;
320 mesa_api
= API_OPENGLES
;
322 case __DRI_API_GLES2
:
323 case __DRI_API_GLES3
:
324 mesa_api
= API_OPENGLES2
;
326 case __DRI_API_OPENGL_CORE
:
327 mesa_api
= API_OPENGL_CORE
;
330 *error
= __DRI_CTX_ERROR_BAD_API
;
334 for (unsigned i
= 0; i
< num_attribs
; i
++) {
335 switch (attribs
[i
* 2]) {
336 case __DRI_CTX_ATTRIB_MAJOR_VERSION
:
337 major_version
= attribs
[i
* 2 + 1];
339 case __DRI_CTX_ATTRIB_MINOR_VERSION
:
340 minor_version
= attribs
[i
* 2 + 1];
342 case __DRI_CTX_ATTRIB_FLAGS
:
343 flags
= attribs
[i
* 2 + 1];
345 case __DRI_CTX_ATTRIB_RESET_STRATEGY
:
346 notify_reset
= (attribs
[i
* 2 + 1]
347 != __DRI_CTX_RESET_NO_NOTIFICATION
);
350 /* We can't create a context that satisfies the requirements of an
351 * attribute that we don't understand. Return failure.
353 assert(!"Should not get here.");
354 *error
= __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE
;
359 /* Mesa does not support the GL_ARB_compatibilty extension or the
360 * compatibility profile. This means that we treat a API_OPENGL_COMPAT 3.1 as
361 * API_OPENGL_CORE and reject API_OPENGL_COMPAT 3.2+.
363 if (mesa_api
== API_OPENGL_COMPAT
&& major_version
== 3 && minor_version
== 1)
364 mesa_api
= API_OPENGL_CORE
;
366 if (mesa_api
== API_OPENGL_COMPAT
367 && ((major_version
> 3)
368 || (major_version
== 3 && minor_version
>= 2))) {
369 *error
= __DRI_CTX_ERROR_BAD_API
;
373 /* The latest version of EGL_KHR_create_context spec says:
375 * "If the EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR flag bit is set in
376 * EGL_CONTEXT_FLAGS_KHR, then a <debug context> will be created.
377 * [...] This bit is supported for OpenGL and OpenGL ES contexts.
379 * No other EGL_CONTEXT_OPENGL_*_BIT is legal for an ES context.
381 * However, Mesa's EGL layer translates the context attribute
382 * EGL_CONTEXT_OPENGL_ROBUST_ACCESS into the context flag
383 * __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS. That attribute is legal for ES
384 * (with EGL 1.5 or EGL_EXT_create_context_robustness) and GL (only with
387 * From the EGL_EXT_create_context_robustness spec:
389 * This extension is written against the OpenGL ES 2.0 Specification
390 * but can apply to OpenGL ES 1.1 and up.
392 * From the EGL 1.5 (2014.08.27) spec, p55:
394 * If the EGL_CONTEXT_OPENGL_ROBUST_ACCESS attribute is set to
395 * EGL_TRUE, a context supporting robust buffer access will be created.
396 * OpenGL contexts must support the GL_ARB_robustness extension, or
397 * equivalent core API functional- ity. OpenGL ES contexts must support
398 * the GL_EXT_robustness extension, or equivalent core API
401 if (mesa_api
!= API_OPENGL_COMPAT
402 && mesa_api
!= API_OPENGL_CORE
403 && (flags
& ~(__DRI_CTX_FLAG_DEBUG
|
404 __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS
))) {
405 *error
= __DRI_CTX_ERROR_BAD_FLAG
;
409 /* There are no forward-compatible contexts before OpenGL 3.0. The
410 * GLX_ARB_create_context spec says:
412 * "Forward-compatible contexts are defined only for OpenGL versions
415 * Forward-looking contexts are supported by silently converting the
416 * requested API to API_OPENGL_CORE.
418 * In Mesa, a debug context is the same as a regular context.
420 if ((flags
& __DRI_CTX_FLAG_FORWARD_COMPATIBLE
) != 0) {
421 mesa_api
= API_OPENGL_CORE
;
424 const uint32_t allowed_flags
= (__DRI_CTX_FLAG_DEBUG
425 | __DRI_CTX_FLAG_FORWARD_COMPATIBLE
426 | __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS
);
427 if (flags
& ~allowed_flags
) {
428 *error
= __DRI_CTX_ERROR_UNKNOWN_FLAG
;
432 if (!validate_context_version(screen
, mesa_api
,
433 major_version
, minor_version
, error
))
436 context
= calloc(1, sizeof *context
);
438 *error
= __DRI_CTX_ERROR_NO_MEMORY
;
442 context
->loaderPrivate
= data
;
444 context
->driScreenPriv
= screen
;
445 context
->driDrawablePriv
= NULL
;
446 context
->driReadablePriv
= NULL
;
448 if (!screen
->driver
->CreateContext(mesa_api
, modes
, context
,
449 major_version
, minor_version
,
450 flags
, notify_reset
, error
, shareCtx
)) {
455 *error
= __DRI_CTX_ERROR_SUCCESS
;
460 driContextSetFlags(struct gl_context
*ctx
, uint32_t flags
)
462 if ((flags
& __DRI_CTX_FLAG_FORWARD_COMPATIBLE
) != 0)
463 ctx
->Const
.ContextFlags
|= GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT
;
464 if ((flags
& __DRI_CTX_FLAG_DEBUG
) != 0) {
465 _mesa_set_debug_state_int(ctx
, GL_DEBUG_OUTPUT
, GL_TRUE
);
466 ctx
->Const
.ContextFlags
|= GL_CONTEXT_FLAG_DEBUG_BIT
;
470 static __DRIcontext
*
471 driCreateNewContextForAPI(__DRIscreen
*screen
, int api
,
472 const __DRIconfig
*config
,
473 __DRIcontext
*shared
, void *data
)
477 return driCreateContextAttribs(screen
, api
, config
, shared
, 0, NULL
,
481 static __DRIcontext
*
482 driCreateNewContext(__DRIscreen
*screen
, const __DRIconfig
*config
,
483 __DRIcontext
*shared
, void *data
)
485 return driCreateNewContextForAPI(screen
, __DRI_API_OPENGL
,
486 config
, shared
, data
);
490 * Destroy the per-context private information.
493 * This function calls __DriverAPIRec::DestroyContext on \p contextPrivate, calls
494 * drmDestroyContext(), and finally frees \p contextPrivate.
497 driDestroyContext(__DRIcontext
*pcp
)
500 pcp
->driScreenPriv
->driver
->DestroyContext(pcp
);
506 driCopyContext(__DRIcontext
*dest
, __DRIcontext
*src
, unsigned long mask
)
517 /*****************************************************************/
518 /** \name Context (un)binding functions */
519 /*****************************************************************/
522 static void dri_get_drawable(__DRIdrawable
*pdp
);
523 static void dri_put_drawable(__DRIdrawable
*pdp
);
526 * This function takes both a read buffer and a draw buffer. This is needed
527 * for \c glXMakeCurrentReadSGI or GLX 1.3's \c glXMakeContextCurrent
530 static int driBindContext(__DRIcontext
*pcp
,
535 ** Assume error checking is done properly in glXMakeCurrent before
536 ** calling driUnbindContext.
542 /* Bind the drawable to the context */
543 pcp
->driDrawablePriv
= pdp
;
544 pcp
->driReadablePriv
= prp
;
546 pdp
->driContextPriv
= pcp
;
547 dri_get_drawable(pdp
);
549 if (prp
&& pdp
!= prp
) {
550 dri_get_drawable(prp
);
553 return pcp
->driScreenPriv
->driver
->MakeCurrent(pcp
, pdp
, prp
);
559 * \param scrn the screen.
562 * \return \c GL_TRUE on success, or \c GL_FALSE on failure.
565 * This function calls __DriverAPIRec::UnbindContext, and then decrements
566 * __DRIdrawableRec::refcount which must be non-zero for a successful
569 * While casting the opaque private pointers associated with the parameters
570 * into their respective real types it also assures they are not \c NULL.
572 static int driUnbindContext(__DRIcontext
*pcp
)
578 ** Assume error checking is done properly in glXMakeCurrent before
579 ** calling driUnbindContext.
586 ** Call driUnbindContext before checking for valid drawables
587 ** to handle surfaceless contexts properly.
589 pcp
->driScreenPriv
->driver
->UnbindContext(pcp
);
591 pdp
= pcp
->driDrawablePriv
;
592 prp
= pcp
->driReadablePriv
;
594 /* already unbound */
599 if (pdp
->refcount
== 0) {
604 dri_put_drawable(pdp
);
607 if (prp
->refcount
== 0) {
612 dri_put_drawable(prp
);
615 pcp
->driDrawablePriv
= NULL
;
616 pcp
->driReadablePriv
= NULL
;
624 static void dri_get_drawable(__DRIdrawable
*pdp
)
629 static void dri_put_drawable(__DRIdrawable
*pdp
)
636 pdp
->driScreenPriv
->driver
->DestroyBuffer(pdp
);
641 static __DRIdrawable
*
642 driCreateNewDrawable(__DRIscreen
*screen
,
643 const __DRIconfig
*config
,
646 __DRIdrawable
*pdraw
;
648 pdraw
= malloc(sizeof *pdraw
);
652 pdraw
->loaderPrivate
= data
;
654 pdraw
->driScreenPriv
= screen
;
655 pdraw
->driContextPriv
= NULL
;
657 pdraw
->lastStamp
= 0;
661 dri_get_drawable(pdraw
);
663 if (!screen
->driver
->CreateBuffer(screen
, pdraw
, &config
->modes
,
669 pdraw
->dri2
.stamp
= pdraw
->lastStamp
+ 1;
675 driDestroyDrawable(__DRIdrawable
*pdp
)
677 dri_put_drawable(pdp
);
681 dri2AllocateBuffer(__DRIscreen
*screen
,
682 unsigned int attachment
, unsigned int format
,
683 int width
, int height
)
685 return screen
->driver
->AllocateBuffer(screen
, attachment
, format
,
690 dri2ReleaseBuffer(__DRIscreen
*screen
, __DRIbuffer
*buffer
)
692 screen
->driver
->ReleaseBuffer(screen
, buffer
);
697 dri2ConfigQueryb(__DRIscreen
*screen
, const char *var
, unsigned char *val
)
699 if (!driCheckOption(&screen
->optionCache
, var
, DRI_BOOL
))
702 *val
= driQueryOptionb(&screen
->optionCache
, var
);
708 dri2ConfigQueryi(__DRIscreen
*screen
, const char *var
, int *val
)
710 if (!driCheckOption(&screen
->optionCache
, var
, DRI_INT
) &&
711 !driCheckOption(&screen
->optionCache
, var
, DRI_ENUM
))
714 *val
= driQueryOptioni(&screen
->optionCache
, var
);
720 dri2ConfigQueryf(__DRIscreen
*screen
, const char *var
, float *val
)
722 if (!driCheckOption(&screen
->optionCache
, var
, DRI_FLOAT
))
725 *val
= driQueryOptionf(&screen
->optionCache
, var
);
731 driGetAPIMask(__DRIscreen
*screen
)
733 return screen
->api_mask
;
737 * swrast swapbuffers entrypoint.
739 * DRI2 implements this inside the loader with only flushes handled by the
743 driSwapBuffers(__DRIdrawable
*pdp
)
745 assert(pdp
->driScreenPriv
->swrast_loader
);
747 pdp
->driScreenPriv
->driver
->SwapBuffers(pdp
);
750 /** Core interface */
751 const __DRIcoreExtension driCoreExtension
= {
752 .base
= { __DRI_CORE
, 1 },
754 .createNewScreen
= NULL
,
755 .destroyScreen
= driDestroyScreen
,
756 .getExtensions
= driGetExtensions
,
757 .getConfigAttrib
= driGetConfigAttrib
,
758 .indexConfigAttrib
= driIndexConfigAttrib
,
759 .createNewDrawable
= NULL
,
760 .destroyDrawable
= driDestroyDrawable
,
761 .swapBuffers
= driSwapBuffers
, /* swrast */
762 .createNewContext
= driCreateNewContext
, /* swrast */
763 .copyContext
= driCopyContext
,
764 .destroyContext
= driDestroyContext
,
765 .bindContext
= driBindContext
,
766 .unbindContext
= driUnbindContext
769 /** DRI2 interface */
770 const __DRIdri2Extension driDRI2Extension
= {
771 .base
= { __DRI_DRI2
, 4 },
773 .createNewScreen
= dri2CreateNewScreen
,
774 .createNewDrawable
= driCreateNewDrawable
,
775 .createNewContext
= driCreateNewContext
,
776 .getAPIMask
= driGetAPIMask
,
777 .createNewContextForAPI
= driCreateNewContextForAPI
,
778 .allocateBuffer
= dri2AllocateBuffer
,
779 .releaseBuffer
= dri2ReleaseBuffer
,
780 .createContextAttribs
= driCreateContextAttribs
,
781 .createNewScreen2
= driCreateNewScreen2
,
784 const __DRIswrastExtension driSWRastExtension
= {
785 .base
= { __DRI_SWRAST
, 4 },
787 .createNewScreen
= driSWRastCreateNewScreen
,
788 .createNewDrawable
= driCreateNewDrawable
,
789 .createNewContextForAPI
= driCreateNewContextForAPI
,
790 .createContextAttribs
= driCreateContextAttribs
,
791 .createNewScreen2
= driSWRastCreateNewScreen2
,
794 const __DRI2configQueryExtension dri2ConfigQueryExtension
= {
795 .base
= { __DRI2_CONFIG_QUERY
, 1 },
797 .configQueryb
= dri2ConfigQueryb
,
798 .configQueryi
= dri2ConfigQueryi
,
799 .configQueryf
= dri2ConfigQueryf
,
803 dri2InvalidateDrawable(__DRIdrawable
*drawable
)
805 drawable
->dri2
.stamp
++;
809 * Check that the gl_framebuffer associated with dPriv is the right size.
810 * Resize the gl_framebuffer if needed.
811 * It's expected that the dPriv->driverPrivate member points to a
812 * gl_framebuffer object.
815 driUpdateFramebufferSize(struct gl_context
*ctx
, const __DRIdrawable
*dPriv
)
817 struct gl_framebuffer
*fb
= (struct gl_framebuffer
*) dPriv
->driverPrivate
;
818 if (fb
&& (dPriv
->w
!= fb
->Width
|| dPriv
->h
!= fb
->Height
)) {
819 _mesa_resize_framebuffer(ctx
, fb
, dPriv
->w
, dPriv
->h
);
820 /* if the driver needs the hw lock for ResizeBuffers, the drawable
821 might have changed again by now */
822 assert(fb
->Width
== dPriv
->w
);
823 assert(fb
->Height
== dPriv
->h
);
828 driGLFormatToImageFormat(mesa_format format
)
831 case MESA_FORMAT_B5G6R5_UNORM
:
832 return __DRI_IMAGE_FORMAT_RGB565
;
833 case MESA_FORMAT_B8G8R8X8_UNORM
:
834 return __DRI_IMAGE_FORMAT_XRGB8888
;
835 case MESA_FORMAT_B10G10R10A2_UNORM
:
836 return __DRI_IMAGE_FORMAT_ARGB2101010
;
837 case MESA_FORMAT_B10G10R10X2_UNORM
:
838 return __DRI_IMAGE_FORMAT_XRGB2101010
;
839 case MESA_FORMAT_B8G8R8A8_UNORM
:
840 return __DRI_IMAGE_FORMAT_ARGB8888
;
841 case MESA_FORMAT_R8G8B8A8_UNORM
:
842 return __DRI_IMAGE_FORMAT_ABGR8888
;
843 case MESA_FORMAT_R8G8B8X8_UNORM
:
844 return __DRI_IMAGE_FORMAT_XBGR8888
;
845 case MESA_FORMAT_L_UNORM8
:
846 case MESA_FORMAT_R_UNORM8
:
847 return __DRI_IMAGE_FORMAT_R8
;
848 case MESA_FORMAT_L8A8_UNORM
:
849 case MESA_FORMAT_R8G8_UNORM
:
850 return __DRI_IMAGE_FORMAT_GR88
;
851 case MESA_FORMAT_NONE
:
852 return __DRI_IMAGE_FORMAT_NONE
;
853 case MESA_FORMAT_B8G8R8A8_SRGB
:
854 return __DRI_IMAGE_FORMAT_SARGB8
;
861 driImageFormatToGLFormat(uint32_t image_format
)
863 switch (image_format
) {
864 case __DRI_IMAGE_FORMAT_RGB565
:
865 return MESA_FORMAT_B5G6R5_UNORM
;
866 case __DRI_IMAGE_FORMAT_XRGB8888
:
867 return MESA_FORMAT_B8G8R8X8_UNORM
;
868 case __DRI_IMAGE_FORMAT_ARGB2101010
:
869 return MESA_FORMAT_B10G10R10A2_UNORM
;
870 case __DRI_IMAGE_FORMAT_XRGB2101010
:
871 return MESA_FORMAT_B10G10R10X2_UNORM
;
872 case __DRI_IMAGE_FORMAT_ARGB8888
:
873 return MESA_FORMAT_B8G8R8A8_UNORM
;
874 case __DRI_IMAGE_FORMAT_ABGR8888
:
875 return MESA_FORMAT_R8G8B8A8_UNORM
;
876 case __DRI_IMAGE_FORMAT_XBGR8888
:
877 return MESA_FORMAT_R8G8B8X8_UNORM
;
878 case __DRI_IMAGE_FORMAT_R8
:
879 return MESA_FORMAT_R_UNORM8
;
880 case __DRI_IMAGE_FORMAT_GR88
:
881 return MESA_FORMAT_R8G8_UNORM
;
882 case __DRI_IMAGE_FORMAT_SARGB8
:
883 return MESA_FORMAT_B8G8R8A8_SRGB
;
884 case __DRI_IMAGE_FORMAT_NONE
:
885 return MESA_FORMAT_NONE
;
887 return MESA_FORMAT_NONE
;
891 /** Image driver interface */
892 const __DRIimageDriverExtension driImageDriverExtension
= {
893 .base
= { __DRI_IMAGE_DRIVER
, 1 },
895 .createNewScreen2
= driCreateNewScreen2
,
896 .createNewDrawable
= driCreateNewDrawable
,
897 .getAPIMask
= driGetAPIMask
,
898 .createContextAttribs
= driCreateContextAttribs
,
901 /* swrast copy sub buffer entrypoint. */
902 static void driCopySubBuffer(__DRIdrawable
*pdp
, int x
, int y
,
905 assert(pdp
->driScreenPriv
->swrast_loader
);
907 pdp
->driScreenPriv
->driver
->CopySubBuffer(pdp
, x
, y
, w
, h
);
910 /* for swrast only */
911 const __DRIcopySubBufferExtension driCopySubBufferExtension
= {
912 .base
= { __DRI_COPY_SUB_BUFFER
, 1 },
914 .copySubBuffer
= driCopySubBuffer
,