1 /**************************************************************************
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 #include "main/glheader.h"
30 #include "main/context.h"
31 #include "main/framebuffer.h"
32 #include "main/renderbuffer.h"
33 #include "main/hash.h"
34 #include "main/fbobject.h"
35 #include "main/mfeatures.h"
40 PUBLIC const char __driConfigOptions[] =
42 DRI_CONF_SECTION_PERFORMANCE
43 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_ALWAYS_SYNC)
44 /* Options correspond to DRI_CONF_BO_REUSE_DISABLED,
45 * DRI_CONF_BO_REUSE_ALL
47 DRI_CONF_OPT_BEGIN_V(bo_reuse, enum, 1, "0:1")
48 DRI_CONF_DESC_BEGIN(en, "Buffer object reuse")
49 DRI_CONF_ENUM(0, "Disable buffer object reuse")
50 DRI_CONF_ENUM(1, "Enable reuse of all sizes of buffer objects")
54 DRI_CONF_OPT_BEGIN(texture_tiling, bool, true)
55 DRI_CONF_DESC(en, "Enable texture tiling")
58 DRI_CONF_OPT_BEGIN(early_z, bool, false)
59 DRI_CONF_DESC(en, "Enable early Z in classic mode (unstable, 945-only).")
62 DRI_CONF_OPT_BEGIN(fragment_shader, bool, true)
63 DRI_CONF_DESC(en, "Enable limited ARB_fragment_shader support on 915/945.")
67 DRI_CONF_SECTION_QUALITY
68 DRI_CONF_FORCE_S3TC_ENABLE(false)
69 DRI_CONF_ALLOW_LARGE_TEXTURES(2)
71 DRI_CONF_SECTION_DEBUG
72 DRI_CONF_NO_RAST(false)
73 DRI_CONF_ALWAYS_FLUSH_BATCH(false)
74 DRI_CONF_ALWAYS_FLUSH_CACHE(false)
76 DRI_CONF_OPT_BEGIN(stub_occlusion_query, bool, false)
77 DRI_CONF_DESC(en, "Enable stub ARB_occlusion_query support on 915/945.")
82 const GLuint __driNConfigOptions = 11;
84 #include "intel_batchbuffer.h"
85 #include "intel_buffers.h"
86 #include "intel_bufmgr.h"
87 #include "intel_chipset.h"
88 #include "intel_fbo.h"
89 #include "intel_screen.h"
90 #include "intel_tex.h"
91 #include "intel_regions.h"
95 #ifdef USE_NEW_INTERFACE
96 static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
97 #endif /*USE_NEW_INTERFACE */
99 static const __DRItexBufferExtension intelTexBufferExtension = {
100 { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION },
106 intelDRI2Flush(__DRIdrawable *drawable)
108 GET_CURRENT_CONTEXT(ctx);
109 struct intel_context *intel = intel_context(ctx);
112 INTEL_FIREVERTICES(intel);
114 intel->need_throttle = true;
116 if (intel->batch.used)
117 intel_batchbuffer_flush(intel);
120 static const struct __DRI2flushExtensionRec intelFlushExtension = {
121 { __DRI2_FLUSH, __DRI2_FLUSH_VERSION },
123 dri2InvalidateDrawable,
127 intel_create_image_from_name(__DRIscreen *screen,
128 int width, int height, int format,
129 int name, int pitch, void *loaderPrivate)
131 struct intel_screen *intelScreen = screen->private;
135 image = CALLOC(sizeof *image);
140 case __DRI_IMAGE_FORMAT_RGB565:
141 image->format = MESA_FORMAT_RGB565;
142 image->internal_format = GL_RGB;
143 image->data_type = GL_UNSIGNED_BYTE;
145 case __DRI_IMAGE_FORMAT_XRGB8888:
146 image->format = MESA_FORMAT_XRGB8888;
147 image->internal_format = GL_RGB;
148 image->data_type = GL_UNSIGNED_BYTE;
150 case __DRI_IMAGE_FORMAT_ARGB8888:
151 image->format = MESA_FORMAT_ARGB8888;
152 image->internal_format = GL_RGBA;
153 image->data_type = GL_UNSIGNED_BYTE;
155 case __DRI_IMAGE_FORMAT_ABGR8888:
156 image->format = MESA_FORMAT_RGBA8888_REV;
157 image->internal_format = GL_RGBA;
158 image->data_type = GL_UNSIGNED_BYTE;
165 image->data = loaderPrivate;
166 cpp = _mesa_get_format_bytes(image->format);
168 image->region = intel_region_alloc_for_handle(intelScreen,
170 pitch, name, "image");
171 if (image->region == NULL) {
180 intel_create_image_from_renderbuffer(__DRIcontext *context,
181 int renderbuffer, void *loaderPrivate)
184 struct intel_context *intel = context->driverPrivate;
185 struct gl_renderbuffer *rb;
186 struct intel_renderbuffer *irb;
188 rb = _mesa_lookup_renderbuffer(&intel->ctx, renderbuffer);
190 _mesa_error(&intel->ctx,
191 GL_INVALID_OPERATION, "glRenderbufferExternalMESA");
195 irb = intel_renderbuffer(rb);
196 image = CALLOC(sizeof *image);
200 image->internal_format = rb->InternalFormat;
201 image->format = rb->Format;
202 image->data_type = rb->DataType;
203 image->data = loaderPrivate;
204 intel_region_reference(&image->region, irb->region);
210 intel_destroy_image(__DRIimage *image)
212 intel_region_release(&image->region);
217 intel_create_image(__DRIscreen *screen,
218 int width, int height, int format,
223 struct intel_screen *intelScreen = screen->private;
227 tiling = I915_TILING_X;
228 if (use & __DRI_IMAGE_USE_CURSOR) {
229 if (width != 64 || height != 64)
231 tiling = I915_TILING_NONE;
234 image = CALLOC(sizeof *image);
239 case __DRI_IMAGE_FORMAT_RGB565:
240 image->format = MESA_FORMAT_RGB565;
241 image->internal_format = GL_RGB;
242 image->data_type = GL_UNSIGNED_BYTE;
244 case __DRI_IMAGE_FORMAT_XRGB8888:
245 image->format = MESA_FORMAT_XRGB8888;
246 image->internal_format = GL_RGB;
247 image->data_type = GL_UNSIGNED_BYTE;
249 case __DRI_IMAGE_FORMAT_ARGB8888:
250 image->format = MESA_FORMAT_ARGB8888;
251 image->internal_format = GL_RGBA;
252 image->data_type = GL_UNSIGNED_BYTE;
254 case __DRI_IMAGE_FORMAT_ABGR8888:
255 image->format = MESA_FORMAT_RGBA8888_REV;
256 image->internal_format = GL_RGBA;
257 image->data_type = GL_UNSIGNED_BYTE;
264 image->data = loaderPrivate;
265 cpp = _mesa_get_format_bytes(image->format);
268 intel_region_alloc(intelScreen, tiling,
269 cpp, width, height, true);
270 if (image->region == NULL) {
279 intel_query_image(__DRIimage *image, int attrib, int *value)
282 case __DRI_IMAGE_ATTRIB_STRIDE:
283 *value = image->region->pitch * image->region->cpp;
285 case __DRI_IMAGE_ATTRIB_HANDLE:
286 *value = image->region->bo->handle;
288 case __DRI_IMAGE_ATTRIB_NAME:
289 return intel_region_flink(image->region, (uint32_t *) value);
296 intel_dup_image(__DRIimage *orig_image, void *loaderPrivate)
300 image = CALLOC(sizeof *image);
304 intel_region_reference(&image->region, orig_image->region);
305 if (image->region == NULL) {
310 image->internal_format = orig_image->internal_format;
311 image->format = orig_image->format;
312 image->data_type = orig_image->data_type;
313 image->data = loaderPrivate;
318 static struct __DRIimageExtensionRec intelImageExtension = {
319 { __DRI_IMAGE, __DRI_IMAGE_VERSION },
320 intel_create_image_from_name,
321 intel_create_image_from_renderbuffer,
328 static const __DRIextension *intelScreenExtensions[] = {
329 &driReadDrawableExtension,
330 &intelTexBufferExtension.base,
331 &intelFlushExtension.base,
332 &intelImageExtension.base,
333 &dri2ConfigQueryExtension.base,
338 intel_get_param(__DRIscreen *psp, int param, int *value)
341 struct drm_i915_getparam gp;
346 ret = drmCommandWriteRead(psp->fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
349 _mesa_warning(NULL, "drm_i915_getparam: %d", ret);
357 intel_get_boolean(__DRIscreen *psp, int param)
360 return intel_get_param(psp, param, &value) && value;
364 nop_callback(GLuint key, void *data, void *userData)
369 intelDestroyScreen(__DRIscreen * sPriv)
371 struct intel_screen *intelScreen = sPriv->private;
373 dri_bufmgr_destroy(intelScreen->bufmgr);
374 driDestroyOptionInfo(&intelScreen->optionCache);
376 /* Some regions may still have references to them at this point, so
377 * flush the hash table to prevent _mesa_DeleteHashTable() from
378 * complaining about the hash not being empty; */
379 _mesa_HashDeleteAll(intelScreen->named_regions, nop_callback, NULL);
380 _mesa_DeleteHashTable(intelScreen->named_regions);
383 sPriv->private = NULL;
388 * This is called when we need to set up GL rendering to a new X window.
391 intelCreateBuffer(__DRIscreen * driScrnPriv,
392 __DRIdrawable * driDrawPriv,
393 const struct gl_config * mesaVis, GLboolean isPixmap)
395 struct intel_renderbuffer *rb;
396 struct intel_screen *screen = (struct intel_screen*) driScrnPriv->private;
399 return false; /* not implemented */
404 struct gl_framebuffer *fb = CALLOC_STRUCT(gl_framebuffer);
409 _mesa_initialize_window_framebuffer(fb, mesaVis);
411 if (mesaVis->redBits == 5)
412 rgbFormat = MESA_FORMAT_RGB565;
413 else if (mesaVis->alphaBits == 0)
414 rgbFormat = MESA_FORMAT_XRGB8888;
416 rgbFormat = MESA_FORMAT_ARGB8888;
418 /* setup the hardware-based renderbuffers */
419 rb = intel_create_renderbuffer(rgbFormat);
420 _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &rb->Base);
422 if (mesaVis->doubleBufferMode) {
423 rb = intel_create_renderbuffer(rgbFormat);
424 _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &rb->Base);
428 * Assert here that the gl_config has an expected depth/stencil bit
429 * combination: one of d24/s8, d16/s0, d0/s0. (See intelInitScreen2(),
430 * which constructs the advertised configs.)
432 if (mesaVis->depthBits == 24) {
433 assert(mesaVis->stencilBits == 8);
435 if (screen->hw_has_separate_stencil
436 && screen->dri2_has_hiz != INTEL_DRI2_HAS_HIZ_FALSE) {
438 * Request a separate stencil buffer even if we do not yet know if
439 * the screen supports it. (See comments for
440 * enum intel_dri2_has_hiz).
442 rb = intel_create_renderbuffer(MESA_FORMAT_X8_Z24);
443 _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &rb->Base);
444 rb = intel_create_renderbuffer(MESA_FORMAT_S8);
445 _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &rb->Base);
448 * Use combined depth/stencil. Note that the renderbuffer is
449 * attached to two attachment points.
451 rb = intel_create_renderbuffer(MESA_FORMAT_S8_Z24);
452 _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &rb->Base);
453 _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &rb->Base);
456 else if (mesaVis->depthBits == 16) {
457 assert(mesaVis->stencilBits == 0);
458 /* just 16-bit depth buffer, no hw stencil */
459 struct intel_renderbuffer *depthRb
460 = intel_create_renderbuffer(MESA_FORMAT_Z16);
461 _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
464 assert(mesaVis->depthBits == 0);
465 assert(mesaVis->stencilBits == 0);
468 /* now add any/all software-based renderbuffers we may need */
469 _mesa_add_soft_renderbuffers(fb,
470 false, /* never sw color */
471 false, /* never sw depth */
472 false, /* never sw stencil */
473 mesaVis->accumRedBits > 0,
474 false, /* never sw alpha */
475 false /* never sw aux */ );
476 driDrawPriv->driverPrivate = fb;
483 intelDestroyBuffer(__DRIdrawable * driDrawPriv)
485 struct gl_framebuffer *fb = driDrawPriv->driverPrivate;
487 _mesa_reference_framebuffer(&fb, NULL);
490 /* There are probably better ways to do this, such as an
491 * init-designated function to register chipids and createcontext
495 i830CreateContext(const struct gl_config *mesaVis,
496 __DRIcontext *driContextPriv,
497 void *sharedContextPrivate);
500 i915CreateContext(int api,
501 const struct gl_config *mesaVis,
502 __DRIcontext *driContextPriv,
503 void *sharedContextPrivate);
505 brwCreateContext(int api,
506 const struct gl_config *mesaVis,
507 __DRIcontext *driContextPriv,
508 void *sharedContextPrivate);
511 intelCreateContext(gl_api api,
512 const struct gl_config * mesaVis,
513 __DRIcontext * driContextPriv,
514 void *sharedContextPrivate)
516 __DRIscreen *sPriv = driContextPriv->driScreenPriv;
517 struct intel_screen *intelScreen = sPriv->private;
520 if (IS_9XX(intelScreen->deviceID)) {
521 if (!IS_965(intelScreen->deviceID)) {
522 return i915CreateContext(api, mesaVis, driContextPriv,
523 sharedContextPrivate);
526 intelScreen->no_vbo = true;
527 return i830CreateContext(mesaVis, driContextPriv, sharedContextPrivate);
530 if (IS_965(intelScreen->deviceID))
531 return brwCreateContext(api, mesaVis,
532 driContextPriv, sharedContextPrivate);
534 fprintf(stderr, "Unrecognized deviceID 0x%x\n", intelScreen->deviceID);
539 intel_init_bufmgr(struct intel_screen *intelScreen)
541 __DRIscreen *spriv = intelScreen->driScrnPriv;
544 intelScreen->no_hw = (getenv("INTEL_NO_HW") != NULL ||
545 getenv("INTEL_DEVID_OVERRIDE") != NULL);
547 intelScreen->bufmgr = intel_bufmgr_gem_init(spriv->fd, BATCH_SZ);
548 if (intelScreen->bufmgr == NULL) {
549 fprintf(stderr, "[%s:%u] Error initializing buffer manager.\n",
554 if (!intel_get_param(spriv, I915_PARAM_NUM_FENCES_AVAIL, &num_fences) ||
556 fprintf(stderr, "[%s: %u] Kernel 2.6.29 required.\n", __func__, __LINE__);
560 drm_intel_bufmgr_gem_enable_fenced_relocs(intelScreen->bufmgr);
562 intelScreen->named_regions = _mesa_NewHashTable();
564 intelScreen->relaxed_relocations = 0;
565 intelScreen->relaxed_relocations |=
566 intel_get_boolean(spriv, I915_PARAM_HAS_RELAXED_DELTA) << 0;
572 * Override intel_screen.hw_has_hiz with environment variable INTEL_HIZ.
574 * Valid values for INTEL_HIZ are "0" and "1". If an invalid valid value is
575 * encountered, a warning is emitted and INTEL_HIZ is ignored.
578 intel_override_hiz(struct intel_screen *intel)
580 const char *s = getenv("INTEL_HIZ");
583 } else if (!strncmp("0", s, 2)) {
584 intel->hw_has_hiz = false;
585 } else if (!strncmp("1", s, 2)) {
586 intel->hw_has_hiz = true;
589 "warning: env variable INTEL_HIZ=\"%s\" has invalid value "
590 "and is ignored", s);
595 * Override intel_screen.hw_has_separate_stencil with environment variable
596 * INTEL_SEPARATE_STENCIL.
598 * Valid values for INTEL_SEPARATE_STENCIL are "0" and "1". If an invalid
599 * valid value is encountered, a warning is emitted and INTEL_SEPARATE_STENCIL
603 intel_override_separate_stencil(struct intel_screen *screen)
605 const char *s = getenv("INTEL_SEPARATE_STENCIL");
608 } else if (!strncmp("0", s, 2)) {
609 screen->hw_has_separate_stencil = false;
610 } else if (!strncmp("1", s, 2)) {
611 screen->hw_has_separate_stencil = true;
614 "warning: env variable INTEL_SEPARATE_STENCIL=\"%s\" has "
615 "invalid value and is ignored", s);
620 * This is the driver specific part of the createNewScreen entry point.
621 * Called when using DRI2.
623 * \return the struct gl_config supported by this driver
626 __DRIconfig **intelInitScreen2(__DRIscreen *psp)
628 struct intel_screen *intelScreen;
631 unsigned int api_mask;
632 char *devid_override;
634 static const GLenum back_buffer_modes[] = {
635 GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
637 uint8_t depth_bits[4], stencil_bits[4], msaa_samples_array[1];
639 __DRIconfig **configs = NULL;
641 /* Allocate the private area */
642 intelScreen = CALLOC(sizeof *intelScreen);
644 fprintf(stderr, "\nERROR! Allocating private area failed\n");
647 /* parse information in __driConfigOptions */
648 driParseOptionInfo(&intelScreen->optionCache,
649 __driConfigOptions, __driNConfigOptions);
651 intelScreen->driScrnPriv = psp;
652 psp->private = (void *) intelScreen;
654 /* Determine chipset ID */
655 if (!intel_get_param(psp, I915_PARAM_CHIPSET_ID,
656 &intelScreen->deviceID))
659 /* Allow an override of the device ID for the purpose of making the
660 * driver produce dumps for debugging of new chipset enablement.
661 * This implies INTEL_NO_HW, to avoid programming your actual GPU
664 devid_override = getenv("INTEL_DEVID_OVERRIDE");
665 if (devid_override) {
666 intelScreen->deviceID = strtod(devid_override, NULL);
669 if (IS_GEN7(intelScreen->deviceID)) {
670 intelScreen->gen = 7;
671 } else if (IS_GEN6(intelScreen->deviceID)) {
672 intelScreen->gen = 6;
673 } else if (IS_GEN5(intelScreen->deviceID)) {
674 intelScreen->gen = 5;
675 } else if (IS_965(intelScreen->deviceID)) {
676 intelScreen->gen = 4;
677 } else if (IS_9XX(intelScreen->deviceID)) {
678 intelScreen->gen = 3;
680 intelScreen->gen = 2;
684 * FIXME: The hiz and separate stencil fields need updating once the
685 * FIXME: features are completely implemented for a given chipset.
687 intelScreen->hw_has_separate_stencil = intelScreen->gen >= 7;
688 intelScreen->hw_must_use_separate_stencil = intelScreen->gen >= 7;
689 intelScreen->hw_has_hiz = false;
690 intelScreen->dri2_has_hiz = INTEL_DRI2_HAS_HIZ_UNKNOWN;
692 intel_override_hiz(intelScreen);
693 intel_override_separate_stencil(intelScreen);
695 api_mask = (1 << __DRI_API_OPENGL);
697 api_mask |= (1 << __DRI_API_GLES);
700 api_mask |= (1 << __DRI_API_GLES2);
703 if (IS_9XX(intelScreen->deviceID) || IS_965(intelScreen->deviceID))
704 psp->api_mask = api_mask;
706 if (!intel_init_bufmgr(intelScreen))
709 psp->extensions = intelScreenExtensions;
711 msaa_samples_array[0] = 0;
713 fb_format[0] = GL_RGB;
714 fb_type[0] = GL_UNSIGNED_SHORT_5_6_5;
716 fb_format[1] = GL_BGR;
717 fb_type[1] = GL_UNSIGNED_INT_8_8_8_8_REV;
719 fb_format[2] = GL_BGRA;
720 fb_type[2] = GL_UNSIGNED_INT_8_8_8_8_REV;
725 /* Generate a rich set of useful configs that do not include an
726 * accumulation buffer.
728 for (color = 0; color < ARRAY_SIZE(fb_format); color++) {
729 __DRIconfig **new_configs;
732 /* Starting with DRI2 protocol version 1.1 we can request a depth/stencil
733 * buffer that has a diffferent number of bits per pixel than the color
734 * buffer. This isn't yet supported here.
736 if (fb_type[color] == GL_UNSIGNED_SHORT_5_6_5) {
746 new_configs = driCreateConfigs(fb_format[color], fb_type[color],
751 ARRAY_SIZE(back_buffer_modes),
753 ARRAY_SIZE(msaa_samples_array),
756 configs = new_configs;
758 configs = driConcatConfigs(configs, new_configs);
761 /* Generate the minimum possible set of configs that include an
762 * accumulation buffer.
764 for (color = 0; color < ARRAY_SIZE(fb_format); color++) {
765 __DRIconfig **new_configs;
767 if (fb_type[color] == GL_UNSIGNED_SHORT_5_6_5) {
775 new_configs = driCreateConfigs(fb_format[color], fb_type[color],
776 depth_bits, stencil_bits, 1,
777 back_buffer_modes + 1, 1,
778 msaa_samples_array, 1,
781 configs = new_configs;
783 configs = driConcatConfigs(configs, new_configs);
786 if (configs == NULL) {
787 fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
792 return (const __DRIconfig **)configs;
795 struct intel_buffer {
797 struct intel_region *region;
801 intelAllocateBuffer(__DRIscreen *screen,
802 unsigned attachment, unsigned format,
803 int width, int height)
805 struct intel_buffer *intelBuffer;
806 struct intel_screen *intelScreen = screen->private;
809 intelBuffer = CALLOC(sizeof *intelBuffer);
810 if (intelBuffer == NULL)
813 if ((attachment == __DRI_BUFFER_DEPTH ||
814 attachment == __DRI_BUFFER_STENCIL ||
815 attachment == __DRI_BUFFER_DEPTH_STENCIL) &&
816 intelScreen->gen >= 4)
817 tiling = I915_TILING_Y;
819 tiling = I915_TILING_X;
821 intelBuffer->region = intel_region_alloc(intelScreen, tiling,
822 format / 8, width, height, true);
824 if (intelBuffer->region == NULL) {
829 intel_region_flink(intelBuffer->region, &intelBuffer->base.name);
831 intelBuffer->base.attachment = attachment;
832 intelBuffer->base.cpp = intelBuffer->region->cpp;
833 intelBuffer->base.pitch =
834 intelBuffer->region->pitch * intelBuffer->region->cpp;
836 return &intelBuffer->base;
840 intelReleaseBuffer(__DRIscreen *screen, __DRIbuffer *buffer)
842 struct intel_buffer *intelBuffer = (struct intel_buffer *) buffer;
844 intel_region_release(&intelBuffer->region);
849 const struct __DriverAPIRec driDriverAPI = {
850 .DestroyScreen = intelDestroyScreen,
851 .CreateContext = intelCreateContext,
852 .DestroyContext = intelDestroyContext,
853 .CreateBuffer = intelCreateBuffer,
854 .DestroyBuffer = intelDestroyBuffer,
855 .MakeCurrent = intelMakeCurrent,
856 .UnbindContext = intelUnbindContext,
857 .InitScreen2 = intelInitScreen2,
858 .AllocateBuffer = intelAllocateBuffer,
859 .ReleaseBuffer = intelReleaseBuffer
862 /* This is the table of extensions that the loader will dlsym() for. */
863 PUBLIC const __DRIextension *__driDriverExtensions[] = {
864 &driCoreExtension.base,
865 &driDRI2Extension.base,