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 **************************************************************************/
28 #include "main/glheader.h"
29 #include "main/context.h"
30 #include "main/framebuffer.h"
31 #include "main/renderbuffer.h"
32 #include "main/hash.h"
33 #include "main/fbobject.h"
38 #include "intel_batchbuffer.h"
39 #include "intel_buffers.h"
40 #include "intel_bufmgr.h"
41 #include "intel_chipset.h"
42 #include "intel_fbo.h"
43 #include "intel_screen.h"
44 #include "intel_tex.h"
45 #include "intel_regions.h"
49 #define DRI_CONF_TEXTURE_TILING(def) \
51 PUBLIC const char __driConfigOptions[] =
53 DRI_CONF_SECTION_PERFORMANCE
54 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_ALWAYS_SYNC
)
55 /* Options correspond to DRI_CONF_BO_REUSE_DISABLED,
56 * DRI_CONF_BO_REUSE_ALL
58 DRI_CONF_OPT_BEGIN_V(bo_reuse
, enum, 1, "0:1")
59 DRI_CONF_DESC_BEGIN(en
, "Buffer object reuse")
60 DRI_CONF_ENUM(0, "Disable buffer object reuse")
61 DRI_CONF_ENUM(1, "Enable reuse of all sizes of buffer objects")
65 DRI_CONF_OPT_BEGIN(texture_tiling
, bool, true)
66 DRI_CONF_DESC(en
, "Enable texture tiling")
69 DRI_CONF_OPT_BEGIN(early_z
, bool, false)
70 DRI_CONF_DESC(en
, "Enable early Z in classic mode (unstable, 945-only).")
73 DRI_CONF_OPT_BEGIN(fragment_shader
, bool, false)
74 DRI_CONF_DESC(en
, "Enable limited ARB_fragment_shader support on 915/945.")
78 DRI_CONF_SECTION_QUALITY
79 DRI_CONF_FORCE_S3TC_ENABLE(false)
80 DRI_CONF_ALLOW_LARGE_TEXTURES(2)
82 DRI_CONF_SECTION_DEBUG
83 DRI_CONF_NO_RAST(false)
84 DRI_CONF_ALWAYS_FLUSH_BATCH(false)
85 DRI_CONF_ALWAYS_FLUSH_CACHE(false)
87 DRI_CONF_OPT_BEGIN(stub_occlusion_query
, bool, false)
88 DRI_CONF_DESC(en
, "Enable stub ARB_occlusion_query support on 915/945.")
93 const GLuint __driNConfigOptions
= 11;
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 struct intel_context
*intel
= drawable
->driContextPriv
->driverPrivate
;
111 INTEL_FIREVERTICES(intel
);
113 if (intel
->batch
->map
!= intel
->batch
->ptr
)
114 intel_batchbuffer_flush(intel
->batch
);
118 intelDRI2Invalidate(__DRIdrawable
*drawable
)
120 struct intel_context
*intel
= drawable
->driContextPriv
->driverPrivate
;
122 intel
->using_dri2_swapbuffers
= GL_TRUE
;
123 dri2InvalidateDrawable(drawable
);
126 static const struct __DRI2flushExtensionRec intelFlushExtension
= {
127 { __DRI2_FLUSH
, __DRI2_FLUSH_VERSION
},
133 intel_create_image_from_name(__DRIcontext
*context
,
134 int width
, int height
, int format
,
135 int name
, int pitch
, void *loaderPrivate
)
138 struct intel_context
*intel
= context
->driverPrivate
;
141 image
= CALLOC(sizeof *image
);
146 case __DRI_IMAGE_FORMAT_RGB565
:
147 image
->format
= MESA_FORMAT_RGB565
;
148 image
->internal_format
= GL_RGB
;
149 image
->data_type
= GL_UNSIGNED_BYTE
;
151 case __DRI_IMAGE_FORMAT_XRGB8888
:
152 image
->format
= MESA_FORMAT_XRGB8888
;
153 image
->internal_format
= GL_RGB
;
154 image
->data_type
= GL_UNSIGNED_BYTE
;
156 case __DRI_IMAGE_FORMAT_ARGB8888
:
157 image
->format
= MESA_FORMAT_ARGB8888
;
158 image
->internal_format
= GL_RGBA
;
159 image
->data_type
= GL_UNSIGNED_BYTE
;
166 image
->data
= loaderPrivate
;
167 cpp
= _mesa_get_format_bytes(image
->format
);
169 image
->region
= intel_region_alloc_for_handle(intel
, cpp
, width
, height
,
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
);
216 static struct __DRIimageExtensionRec intelImageExtension
= {
217 { __DRI_IMAGE
, __DRI_IMAGE_VERSION
},
218 intel_create_image_from_name
,
219 intel_create_image_from_renderbuffer
,
223 static const __DRIextension
*intelScreenExtensions
[] = {
224 &driReadDrawableExtension
,
225 &intelTexBufferExtension
.base
,
226 &intelFlushExtension
.base
,
227 &intelImageExtension
.base
,
228 &dri2ConfigQueryExtension
.base
,
233 intel_get_param(__DRIscreen
*psp
, int param
, int *value
)
236 struct drm_i915_getparam gp
;
241 ret
= drmCommandWriteRead(psp
->fd
, DRM_I915_GETPARAM
, &gp
, sizeof(gp
));
243 _mesa_warning(NULL
, "drm_i915_getparam: %d", ret
);
251 nop_callback(GLuint key
, void *data
, void *userData
)
256 intelDestroyScreen(__DRIscreen
* sPriv
)
258 struct intel_screen
*intelScreen
= sPriv
->private;
260 dri_bufmgr_destroy(intelScreen
->bufmgr
);
261 driDestroyOptionInfo(&intelScreen
->optionCache
);
263 /* Some regions may still have references to them at this point, so
264 * flush the hash table to prevent _mesa_DeleteHashTable() from
265 * complaining about the hash not being empty; */
266 _mesa_HashDeleteAll(intelScreen
->named_regions
, nop_callback
, NULL
);
267 _mesa_DeleteHashTable(intelScreen
->named_regions
);
270 sPriv
->private = NULL
;
275 * This is called when we need to set up GL rendering to a new X window.
278 intelCreateBuffer(__DRIscreen
* driScrnPriv
,
279 __DRIdrawable
* driDrawPriv
,
280 const __GLcontextModes
* mesaVis
, GLboolean isPixmap
)
282 struct intel_renderbuffer
*rb
;
285 return GL_FALSE
; /* not implemented */
288 GLboolean swStencil
= (mesaVis
->stencilBits
> 0 &&
289 mesaVis
->depthBits
!= 24);
292 struct gl_framebuffer
*fb
= CALLOC_STRUCT(gl_framebuffer
);
297 _mesa_initialize_window_framebuffer(fb
, mesaVis
);
299 if (mesaVis
->redBits
== 5)
300 rgbFormat
= MESA_FORMAT_RGB565
;
301 else if (mesaVis
->alphaBits
== 0)
302 rgbFormat
= MESA_FORMAT_XRGB8888
;
304 rgbFormat
= MESA_FORMAT_ARGB8888
;
306 /* setup the hardware-based renderbuffers */
307 rb
= intel_create_renderbuffer(rgbFormat
);
308 _mesa_add_renderbuffer(fb
, BUFFER_FRONT_LEFT
, &rb
->Base
);
310 if (mesaVis
->doubleBufferMode
) {
311 rb
= intel_create_renderbuffer(rgbFormat
);
312 _mesa_add_renderbuffer(fb
, BUFFER_BACK_LEFT
, &rb
->Base
);
315 if (mesaVis
->depthBits
== 24) {
316 assert(mesaVis
->stencilBits
== 8);
317 /* combined depth/stencil buffer */
318 struct intel_renderbuffer
*depthStencilRb
319 = intel_create_renderbuffer(MESA_FORMAT_S8_Z24
);
320 /* note: bind RB to two attachment points */
321 _mesa_add_renderbuffer(fb
, BUFFER_DEPTH
, &depthStencilRb
->Base
);
322 _mesa_add_renderbuffer(fb
, BUFFER_STENCIL
, &depthStencilRb
->Base
);
324 else if (mesaVis
->depthBits
== 16) {
325 /* just 16-bit depth buffer, no hw stencil */
326 struct intel_renderbuffer
*depthRb
327 = intel_create_renderbuffer(MESA_FORMAT_Z16
);
328 _mesa_add_renderbuffer(fb
, BUFFER_DEPTH
, &depthRb
->Base
);
331 /* now add any/all software-based renderbuffers we may need */
332 _mesa_add_soft_renderbuffers(fb
,
333 GL_FALSE
, /* never sw color */
334 GL_FALSE
, /* never sw depth */
335 swStencil
, mesaVis
->accumRedBits
> 0,
336 GL_FALSE
, /* never sw alpha */
337 GL_FALSE
/* never sw aux */ );
338 driDrawPriv
->driverPrivate
= fb
;
345 intelDestroyBuffer(__DRIdrawable
* driDrawPriv
)
347 struct gl_framebuffer
*fb
= driDrawPriv
->driverPrivate
;
349 _mesa_reference_framebuffer(&fb
, NULL
);
352 /* There are probably better ways to do this, such as an
353 * init-designated function to register chipids and createcontext
356 extern GLboolean
i830CreateContext(const __GLcontextModes
* mesaVis
,
357 __DRIcontext
* driContextPriv
,
358 void *sharedContextPrivate
);
360 extern GLboolean
i915CreateContext(const __GLcontextModes
* mesaVis
,
361 __DRIcontext
* driContextPriv
,
362 void *sharedContextPrivate
);
363 extern GLboolean
brwCreateContext(const __GLcontextModes
* mesaVis
,
364 __DRIcontext
* driContextPriv
,
365 void *sharedContextPrivate
);
368 intelCreateContext(const __GLcontextModes
* mesaVis
,
369 __DRIcontext
* driContextPriv
,
370 void *sharedContextPrivate
)
372 __DRIscreen
*sPriv
= driContextPriv
->driScreenPriv
;
373 struct intel_screen
*intelScreen
= sPriv
->private;
376 if (IS_9XX(intelScreen
->deviceID
)) {
377 if (!IS_965(intelScreen
->deviceID
)) {
378 return i915CreateContext(mesaVis
, driContextPriv
,
379 sharedContextPrivate
);
382 intelScreen
->no_vbo
= GL_TRUE
;
383 return i830CreateContext(mesaVis
, driContextPriv
, sharedContextPrivate
);
386 if (IS_965(intelScreen
->deviceID
))
387 return brwCreateContext(mesaVis
, driContextPriv
, sharedContextPrivate
);
389 fprintf(stderr
, "Unrecognized deviceID %x\n", intelScreen
->deviceID
);
394 intel_init_bufmgr(struct intel_screen
*intelScreen
)
396 __DRIscreen
*spriv
= intelScreen
->driScrnPriv
;
399 intelScreen
->no_hw
= getenv("INTEL_NO_HW") != NULL
;
401 intelScreen
->bufmgr
= intel_bufmgr_gem_init(spriv
->fd
, BATCH_SZ
);
402 /* Otherwise, use the classic buffer manager. */
403 if (intelScreen
->bufmgr
== NULL
) {
404 fprintf(stderr
, "[%s:%u] Error initializing buffer manager.\n",
409 if (!intel_get_param(spriv
, I915_PARAM_NUM_FENCES_AVAIL
, &num_fences
) ||
411 fprintf(stderr
, "[%s: %u] Kernel 2.6.29 required.\n", __func__
, __LINE__
);
415 drm_intel_bufmgr_gem_enable_fenced_relocs(intelScreen
->bufmgr
);
417 intelScreen
->named_regions
= _mesa_NewHashTable();
423 * This is the driver specific part of the createNewScreen entry point.
424 * Called when using DRI2.
426 * \return the __GLcontextModes supported by this driver
429 __DRIconfig
**intelInitScreen2(__DRIscreen
*psp
)
431 struct intel_screen
*intelScreen
;
435 static const GLenum back_buffer_modes
[] = {
436 GLX_NONE
, GLX_SWAP_UNDEFINED_OML
, GLX_SWAP_COPY_OML
438 uint8_t depth_bits
[4], stencil_bits
[4], msaa_samples_array
[1];
440 __DRIconfig
**configs
= NULL
;
442 /* Allocate the private area */
443 intelScreen
= CALLOC(sizeof *intelScreen
);
445 fprintf(stderr
, "\nERROR! Allocating private area failed\n");
448 /* parse information in __driConfigOptions */
449 driParseOptionInfo(&intelScreen
->optionCache
,
450 __driConfigOptions
, __driNConfigOptions
);
452 intelScreen
->driScrnPriv
= psp
;
453 psp
->private = (void *) intelScreen
;
455 /* Determine chipset ID */
456 if (!intel_get_param(psp
, I915_PARAM_CHIPSET_ID
,
457 &intelScreen
->deviceID
))
460 if (!intel_init_bufmgr(intelScreen
))
463 psp
->extensions
= intelScreenExtensions
;
465 msaa_samples_array
[0] = 0;
467 fb_format
[0] = GL_RGB
;
468 fb_type
[0] = GL_UNSIGNED_SHORT_5_6_5
;
470 fb_format
[1] = GL_BGR
;
471 fb_type
[1] = GL_UNSIGNED_INT_8_8_8_8_REV
;
473 fb_format
[2] = GL_BGRA
;
474 fb_type
[2] = GL_UNSIGNED_INT_8_8_8_8_REV
;
479 /* Generate a rich set of useful configs that do not include an
480 * accumulation buffer.
482 for (color
= 0; color
< ARRAY_SIZE(fb_format
); color
++) {
483 __DRIconfig
**new_configs
;
486 /* Starting with DRI2 protocol version 1.1 we can request a depth/stencil
487 * buffer that has a diffferent number of bits per pixel than the color
488 * buffer. This isn't yet supported here.
490 if (fb_type
[color
] == GL_UNSIGNED_SHORT_5_6_5
) {
500 new_configs
= driCreateConfigs(fb_format
[color
], fb_type
[color
],
505 ARRAY_SIZE(back_buffer_modes
),
507 ARRAY_SIZE(msaa_samples_array
),
510 configs
= new_configs
;
512 configs
= driConcatConfigs(configs
, new_configs
);
515 /* Generate the minimum possible set of configs that include an
516 * accumulation buffer.
518 for (color
= 0; color
< ARRAY_SIZE(fb_format
); color
++) {
519 __DRIconfig
**new_configs
;
521 if (fb_type
[color
] == GL_UNSIGNED_SHORT_5_6_5
) {
529 new_configs
= driCreateConfigs(fb_format
[color
], fb_type
[color
],
530 depth_bits
, stencil_bits
, 1,
531 back_buffer_modes
+ 1, 1,
532 msaa_samples_array
, 1,
535 configs
= new_configs
;
537 configs
= driConcatConfigs(configs
, new_configs
);
540 if (configs
== NULL
) {
541 fprintf(stderr
, "[%s:%u] Error creating FBConfig!\n", __func__
,
546 return (const __DRIconfig
**)configs
;
549 const struct __DriverAPIRec driDriverAPI
= {
550 .DestroyScreen
= intelDestroyScreen
,
551 .CreateContext
= intelCreateContext
,
552 .DestroyContext
= intelDestroyContext
,
553 .CreateBuffer
= intelCreateBuffer
,
554 .DestroyBuffer
= intelDestroyBuffer
,
555 .MakeCurrent
= intelMakeCurrent
,
556 .UnbindContext
= intelUnbindContext
,
557 .InitScreen2
= intelInitScreen2
,
560 /* This is the table of extensions that the loader will dlsym() for. */
561 PUBLIC
const __DRIextension
*__driDriverExtensions
[] = {
562 &driCoreExtension
.base
,
563 &driDRI2Extension
.base
,