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 = GL_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;
160 image->data = loaderPrivate;
161 cpp = _mesa_get_format_bytes(image->format);
163 image->region = intel_region_alloc_for_handle(intelScreen,
165 pitch, name, "image");
166 if (image->region == NULL) {
175 intel_create_image_from_renderbuffer(__DRIcontext *context,
176 int renderbuffer, void *loaderPrivate)
179 struct intel_context *intel = context->driverPrivate;
180 struct gl_renderbuffer *rb;
181 struct intel_renderbuffer *irb;
183 rb = _mesa_lookup_renderbuffer(&intel->ctx, renderbuffer);
185 _mesa_error(&intel->ctx,
186 GL_INVALID_OPERATION, "glRenderbufferExternalMESA");
190 irb = intel_renderbuffer(rb);
191 image = CALLOC(sizeof *image);
195 image->internal_format = rb->InternalFormat;
196 image->format = rb->Format;
197 image->data_type = rb->DataType;
198 image->data = loaderPrivate;
199 intel_region_reference(&image->region, irb->region);
205 intel_destroy_image(__DRIimage *image)
207 intel_region_release(&image->region);
212 intel_create_image(__DRIscreen *screen,
213 int width, int height, int format,
218 struct intel_screen *intelScreen = screen->private;
222 tiling = I915_TILING_X;
223 if (use & __DRI_IMAGE_USE_CURSOR) {
224 if (width != 64 || height != 64)
226 tiling = I915_TILING_NONE;
229 image = CALLOC(sizeof *image);
234 case __DRI_IMAGE_FORMAT_RGB565:
235 image->format = MESA_FORMAT_RGB565;
236 image->internal_format = GL_RGB;
237 image->data_type = GL_UNSIGNED_BYTE;
239 case __DRI_IMAGE_FORMAT_XRGB8888:
240 image->format = MESA_FORMAT_XRGB8888;
241 image->internal_format = GL_RGB;
242 image->data_type = GL_UNSIGNED_BYTE;
244 case __DRI_IMAGE_FORMAT_ARGB8888:
245 image->format = MESA_FORMAT_ARGB8888;
246 image->internal_format = GL_RGBA;
247 image->data_type = GL_UNSIGNED_BYTE;
254 image->data = loaderPrivate;
255 cpp = _mesa_get_format_bytes(image->format);
258 intel_region_alloc(intelScreen, tiling,
259 cpp, width, height, GL_TRUE);
260 if (image->region == NULL) {
269 intel_query_image(__DRIimage *image, int attrib, int *value)
272 case __DRI_IMAGE_ATTRIB_STRIDE:
273 *value = image->region->pitch * image->region->cpp;
275 case __DRI_IMAGE_ATTRIB_HANDLE:
276 *value = image->region->buffer->handle;
278 case __DRI_IMAGE_ATTRIB_NAME:
279 return intel_region_flink(image->region, (uint32_t *) value);
286 intel_dup_image(__DRIimage *orig_image, void *loaderPrivate)
290 image = CALLOC(sizeof *image);
294 intel_region_reference(&image->region, orig_image->region);
295 if (image->region == NULL) {
300 image->internal_format = orig_image->internal_format;
301 image->format = orig_image->format;
302 image->data_type = orig_image->data_type;
303 image->data = loaderPrivate;
308 static struct __DRIimageExtensionRec intelImageExtension = {
309 { __DRI_IMAGE, __DRI_IMAGE_VERSION },
310 intel_create_image_from_name,
311 intel_create_image_from_renderbuffer,
318 static const __DRIextension *intelScreenExtensions[] = {
319 &driReadDrawableExtension,
320 &intelTexBufferExtension.base,
321 &intelFlushExtension.base,
322 &intelImageExtension.base,
323 &dri2ConfigQueryExtension.base,
328 intel_get_param(__DRIscreen *psp, int param, int *value)
331 struct drm_i915_getparam gp;
336 ret = drmCommandWriteRead(psp->fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
339 _mesa_warning(NULL, "drm_i915_getparam: %d", ret);
347 intel_get_boolean(__DRIscreen *psp, int param)
350 return intel_get_param(psp, param, &value) && value;
354 nop_callback(GLuint key, void *data, void *userData)
359 intelDestroyScreen(__DRIscreen * sPriv)
361 struct intel_screen *intelScreen = sPriv->private;
363 dri_bufmgr_destroy(intelScreen->bufmgr);
364 driDestroyOptionInfo(&intelScreen->optionCache);
366 /* Some regions may still have references to them at this point, so
367 * flush the hash table to prevent _mesa_DeleteHashTable() from
368 * complaining about the hash not being empty; */
369 _mesa_HashDeleteAll(intelScreen->named_regions, nop_callback, NULL);
370 _mesa_DeleteHashTable(intelScreen->named_regions);
373 sPriv->private = NULL;
378 * This is called when we need to set up GL rendering to a new X window.
381 intelCreateBuffer(__DRIscreen * driScrnPriv,
382 __DRIdrawable * driDrawPriv,
383 const struct gl_config * mesaVis, GLboolean isPixmap)
385 struct intel_renderbuffer *rb;
386 struct intel_screen *screen = (struct intel_screen*) driScrnPriv->private;
389 return GL_FALSE; /* not implemented */
394 struct gl_framebuffer *fb = CALLOC_STRUCT(gl_framebuffer);
399 _mesa_initialize_window_framebuffer(fb, mesaVis);
401 if (mesaVis->redBits == 5)
402 rgbFormat = MESA_FORMAT_RGB565;
403 else if (mesaVis->alphaBits == 0)
404 rgbFormat = MESA_FORMAT_XRGB8888;
406 rgbFormat = MESA_FORMAT_ARGB8888;
408 /* setup the hardware-based renderbuffers */
409 rb = intel_create_renderbuffer(rgbFormat);
410 _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &rb->Base);
412 if (mesaVis->doubleBufferMode) {
413 rb = intel_create_renderbuffer(rgbFormat);
414 _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &rb->Base);
418 * Assert here that the gl_config has an expected depth/stencil bit
419 * combination: one of d24/s8, d16/s0, d0/s0. (See intelInitScreen2(),
420 * which constructs the advertised configs.)
422 if (mesaVis->depthBits == 24) {
423 assert(mesaVis->stencilBits == 8);
425 if (screen->hw_has_separate_stencil
426 && screen->dri2_has_hiz != INTEL_DRI2_HAS_HIZ_FALSE) {
428 * Request a separate stencil buffer even if we do not yet know if
429 * the screen supports it. (See comments for
430 * enum intel_dri2_has_hiz).
432 rb = intel_create_renderbuffer(MESA_FORMAT_X8_Z24);
433 _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &rb->Base);
434 rb = intel_create_renderbuffer(MESA_FORMAT_S8);
435 _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &rb->Base);
438 * Use combined depth/stencil. Note that the renderbuffer is
439 * attached to two attachment points.
441 rb = intel_create_renderbuffer(MESA_FORMAT_S8_Z24);
442 _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &rb->Base);
443 _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &rb->Base);
446 else if (mesaVis->depthBits == 16) {
447 assert(mesaVis->stencilBits == 0);
448 /* just 16-bit depth buffer, no hw stencil */
449 struct intel_renderbuffer *depthRb
450 = intel_create_renderbuffer(MESA_FORMAT_Z16);
451 _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
454 assert(mesaVis->depthBits == 0);
455 assert(mesaVis->stencilBits == 0);
458 /* now add any/all software-based renderbuffers we may need */
459 _mesa_add_soft_renderbuffers(fb,
460 GL_FALSE, /* never sw color */
461 GL_FALSE, /* never sw depth */
462 GL_FALSE, /* never sw stencil */
463 mesaVis->accumRedBits > 0,
464 GL_FALSE, /* never sw alpha */
465 GL_FALSE /* never sw aux */ );
466 driDrawPriv->driverPrivate = fb;
473 intelDestroyBuffer(__DRIdrawable * driDrawPriv)
475 struct gl_framebuffer *fb = driDrawPriv->driverPrivate;
477 _mesa_reference_framebuffer(&fb, NULL);
480 /* There are probably better ways to do this, such as an
481 * init-designated function to register chipids and createcontext
484 extern GLboolean i830CreateContext(const struct gl_config * mesaVis,
485 __DRIcontext * driContextPriv,
486 void *sharedContextPrivate);
488 extern GLboolean i915CreateContext(int api,
489 const struct gl_config * mesaVis,
490 __DRIcontext * driContextPriv,
491 void *sharedContextPrivate);
492 extern GLboolean brwCreateContext(int api,
493 const struct gl_config * mesaVis,
494 __DRIcontext * driContextPriv,
495 void *sharedContextPrivate);
498 intelCreateContext(gl_api api,
499 const struct gl_config * mesaVis,
500 __DRIcontext * driContextPriv,
501 void *sharedContextPrivate)
503 __DRIscreen *sPriv = driContextPriv->driScreenPriv;
504 struct intel_screen *intelScreen = sPriv->private;
507 if (IS_9XX(intelScreen->deviceID)) {
508 if (!IS_965(intelScreen->deviceID)) {
509 return i915CreateContext(api, mesaVis, driContextPriv,
510 sharedContextPrivate);
513 intelScreen->no_vbo = GL_TRUE;
514 return i830CreateContext(mesaVis, driContextPriv, sharedContextPrivate);
517 if (IS_965(intelScreen->deviceID))
518 return brwCreateContext(api, mesaVis,
519 driContextPriv, sharedContextPrivate);
521 fprintf(stderr, "Unrecognized deviceID 0x%x\n", intelScreen->deviceID);
526 intel_init_bufmgr(struct intel_screen *intelScreen)
528 __DRIscreen *spriv = intelScreen->driScrnPriv;
531 intelScreen->no_hw = (getenv("INTEL_NO_HW") != NULL ||
532 getenv("INTEL_DEVID_OVERRIDE") != NULL);
534 intelScreen->bufmgr = intel_bufmgr_gem_init(spriv->fd, BATCH_SZ);
535 if (intelScreen->bufmgr == NULL) {
536 fprintf(stderr, "[%s:%u] Error initializing buffer manager.\n",
541 if (!intel_get_param(spriv, I915_PARAM_NUM_FENCES_AVAIL, &num_fences) ||
543 fprintf(stderr, "[%s: %u] Kernel 2.6.29 required.\n", __func__, __LINE__);
547 drm_intel_bufmgr_gem_enable_fenced_relocs(intelScreen->bufmgr);
549 intelScreen->named_regions = _mesa_NewHashTable();
551 intelScreen->relaxed_relocations = 0;
552 intelScreen->relaxed_relocations |=
553 intel_get_boolean(spriv, I915_PARAM_HAS_RELAXED_DELTA) << 0;
559 * Override intel_screen.hw_has_hiz with environment variable INTEL_HIZ.
561 * Valid values for INTEL_HIZ are "0" and "1". If an invalid valid value is
562 * encountered, a warning is emitted and INTEL_HIZ is ignored.
565 intel_override_hiz(struct intel_screen *intel)
567 const char *s = getenv("INTEL_HIZ");
570 } else if (!strncmp("0", s, 2)) {
571 intel->hw_has_hiz = false;
572 } else if (!strncmp("1", s, 2)) {
573 intel->hw_has_hiz = true;
576 "warning: env variable INTEL_HIZ=\"%s\" has invalid value "
577 "and is ignored", s);
582 * Override intel_screen.hw_has_separate_stencil with environment variable
583 * INTEL_SEPARATE_STENCIL.
585 * Valid values for INTEL_SEPARATE_STENCIL are "0" and "1". If an invalid
586 * valid value is encountered, a warning is emitted and INTEL_SEPARATE_STENCIL
590 intel_override_separate_stencil(struct intel_screen *screen)
592 const char *s = getenv("INTEL_SEPARATE_STENCIL");
595 } else if (!strncmp("0", s, 2)) {
596 screen->hw_has_separate_stencil = false;
597 } else if (!strncmp("1", s, 2)) {
598 screen->hw_has_separate_stencil = true;
601 "warning: env variable INTEL_SEPARATE_STENCIL=\"%s\" has "
602 "invalid value and is ignored", s);
607 * This is the driver specific part of the createNewScreen entry point.
608 * Called when using DRI2.
610 * \return the struct gl_config supported by this driver
613 __DRIconfig **intelInitScreen2(__DRIscreen *psp)
615 struct intel_screen *intelScreen;
618 unsigned int api_mask;
619 char *devid_override;
621 static const GLenum back_buffer_modes[] = {
622 GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
624 uint8_t depth_bits[4], stencil_bits[4], msaa_samples_array[1];
626 __DRIconfig **configs = NULL;
628 /* Allocate the private area */
629 intelScreen = CALLOC(sizeof *intelScreen);
631 fprintf(stderr, "\nERROR! Allocating private area failed\n");
634 /* parse information in __driConfigOptions */
635 driParseOptionInfo(&intelScreen->optionCache,
636 __driConfigOptions, __driNConfigOptions);
638 intelScreen->driScrnPriv = psp;
639 psp->private = (void *) intelScreen;
641 /* Determine chipset ID */
642 if (!intel_get_param(psp, I915_PARAM_CHIPSET_ID,
643 &intelScreen->deviceID))
646 /* Allow an override of the device ID for the purpose of making the
647 * driver produce dumps for debugging of new chipset enablement.
648 * This implies INTEL_NO_HW, to avoid programming your actual GPU
651 devid_override = getenv("INTEL_DEVID_OVERRIDE");
652 if (devid_override) {
653 intelScreen->deviceID = strtod(devid_override, NULL);
656 if (IS_GEN7(intelScreen->deviceID)) {
657 intelScreen->gen = 7;
658 } else if (IS_GEN6(intelScreen->deviceID)) {
659 intelScreen->gen = 6;
660 } else if (IS_GEN5(intelScreen->deviceID)) {
661 intelScreen->gen = 5;
662 } else if (IS_965(intelScreen->deviceID)) {
663 intelScreen->gen = 4;
664 } else if (IS_9XX(intelScreen->deviceID)) {
665 intelScreen->gen = 3;
667 intelScreen->gen = 2;
671 * FIXME: The hiz and separate stencil fields need updating once the
672 * FIXME: features are completely implemented for a given chipset.
674 intelScreen->hw_has_separate_stencil = intelScreen->gen >= 7;
675 intelScreen->hw_must_use_separate_stencil = intelScreen->gen >= 7;
676 intelScreen->hw_has_hiz = false;
677 intelScreen->dri2_has_hiz = INTEL_DRI2_HAS_HIZ_UNKNOWN;
679 intel_override_hiz(intelScreen);
680 intel_override_separate_stencil(intelScreen);
682 api_mask = (1 << __DRI_API_OPENGL);
684 api_mask |= (1 << __DRI_API_GLES);
687 api_mask |= (1 << __DRI_API_GLES2);
690 if (IS_9XX(intelScreen->deviceID) || IS_965(intelScreen->deviceID))
691 psp->api_mask = api_mask;
693 if (!intel_init_bufmgr(intelScreen))
696 psp->extensions = intelScreenExtensions;
698 msaa_samples_array[0] = 0;
700 fb_format[0] = GL_RGB;
701 fb_type[0] = GL_UNSIGNED_SHORT_5_6_5;
703 fb_format[1] = GL_BGR;
704 fb_type[1] = GL_UNSIGNED_INT_8_8_8_8_REV;
706 fb_format[2] = GL_BGRA;
707 fb_type[2] = GL_UNSIGNED_INT_8_8_8_8_REV;
712 /* Generate a rich set of useful configs that do not include an
713 * accumulation buffer.
715 for (color = 0; color < ARRAY_SIZE(fb_format); color++) {
716 __DRIconfig **new_configs;
719 /* Starting with DRI2 protocol version 1.1 we can request a depth/stencil
720 * buffer that has a diffferent number of bits per pixel than the color
721 * buffer. This isn't yet supported here.
723 if (fb_type[color] == GL_UNSIGNED_SHORT_5_6_5) {
733 new_configs = driCreateConfigs(fb_format[color], fb_type[color],
738 ARRAY_SIZE(back_buffer_modes),
740 ARRAY_SIZE(msaa_samples_array),
743 configs = new_configs;
745 configs = driConcatConfigs(configs, new_configs);
748 /* Generate the minimum possible set of configs that include an
749 * accumulation buffer.
751 for (color = 0; color < ARRAY_SIZE(fb_format); color++) {
752 __DRIconfig **new_configs;
754 if (fb_type[color] == GL_UNSIGNED_SHORT_5_6_5) {
762 new_configs = driCreateConfigs(fb_format[color], fb_type[color],
763 depth_bits, stencil_bits, 1,
764 back_buffer_modes + 1, 1,
765 msaa_samples_array, 1,
768 configs = new_configs;
770 configs = driConcatConfigs(configs, new_configs);
773 if (configs == NULL) {
774 fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
779 return (const __DRIconfig **)configs;
782 struct intel_buffer {
784 struct intel_region *region;
788 intelAllocateBuffer(__DRIscreen *screen,
789 unsigned attachment, unsigned format,
790 int width, int height)
792 struct intel_buffer *intelBuffer;
793 struct intel_screen *intelScreen = screen->private;
796 intelBuffer = CALLOC(sizeof *intelBuffer);
797 if (intelBuffer == NULL)
800 if ((attachment == __DRI_BUFFER_DEPTH ||
801 attachment == __DRI_BUFFER_STENCIL ||
802 attachment == __DRI_BUFFER_DEPTH_STENCIL) &&
803 intelScreen->gen >= 4)
804 tiling = I915_TILING_Y;
806 tiling = I915_TILING_X;
808 intelBuffer->region = intel_region_alloc(intelScreen, tiling,
809 format / 8, width, height, GL_TRUE);
811 if (intelBuffer->region == NULL) {
816 intel_region_flink(intelBuffer->region, &intelBuffer->base.name);
818 intelBuffer->base.attachment = attachment;
819 intelBuffer->base.cpp = intelBuffer->region->cpp;
820 intelBuffer->base.pitch =
821 intelBuffer->region->pitch * intelBuffer->region->cpp;
823 return &intelBuffer->base;
827 intelReleaseBuffer(__DRIscreen *screen, __DRIbuffer *buffer)
829 struct intel_buffer *intelBuffer = (struct intel_buffer *) buffer;
831 intel_region_release(&intelBuffer->region);
836 const struct __DriverAPIRec driDriverAPI = {
837 .DestroyScreen = intelDestroyScreen,
838 .CreateContext = intelCreateContext,
839 .DestroyContext = intelDestroyContext,
840 .CreateBuffer = intelCreateBuffer,
841 .DestroyBuffer = intelDestroyBuffer,
842 .MakeCurrent = intelMakeCurrent,
843 .UnbindContext = intelUnbindContext,
844 .InitScreen2 = intelInitScreen2,
845 .AllocateBuffer = intelAllocateBuffer,
846 .ReleaseBuffer = intelReleaseBuffer
849 /* This is the table of extensions that the loader will dlsym() for. */
850 PUBLIC const __DRIextension *__driDriverExtensions[] = {
851 &driCoreExtension.base,
852 &driDRI2Extension.base,