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"
36 #include "intel_batchbuffer.h"
37 #include "intel_buffers.h"
38 #include "intel_bufmgr.h"
39 #include "intel_chipset.h"
40 #include "intel_fbo.h"
41 #include "intel_screen.h"
42 #include "intel_tex.h"
46 #define DRI_CONF_TEXTURE_TILING(def) \
47 DRI_CONF_OPT_BEGIN(texture_tiling, bool, def) \
48 DRI_CONF_DESC(en, "Enable texture tiling") \
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")
66 DRI_CONF_TEXTURE_TILING(false)
68 DRI_CONF_TEXTURE_TILING(true)
71 DRI_CONF_OPT_BEGIN(early_z
, bool, false)
72 DRI_CONF_DESC(en
, "Enable early Z in classic mode (unstable, 945-only).")
75 DRI_CONF_OPT_BEGIN(fragment_shader
, bool, false)
76 DRI_CONF_DESC(en
, "Enable limited ARB_fragment_shader support on 915/945.")
80 DRI_CONF_SECTION_QUALITY
81 DRI_CONF_FORCE_S3TC_ENABLE(false)
82 DRI_CONF_ALLOW_LARGE_TEXTURES(2)
84 DRI_CONF_SECTION_DEBUG
85 DRI_CONF_NO_RAST(false)
86 DRI_CONF_ALWAYS_FLUSH_BATCH(false)
87 DRI_CONF_ALWAYS_FLUSH_CACHE(false)
89 DRI_CONF_OPT_BEGIN(stub_occlusion_query
, bool, false)
90 DRI_CONF_DESC(en
, "Enable stub ARB_occlusion_query support on 915/945.")
95 const GLuint __driNConfigOptions
= 11;
97 #ifdef USE_NEW_INTERFACE
98 static PFNGLXCREATECONTEXTMODES create_context_modes
= NULL
;
99 #endif /*USE_NEW_INTERFACE */
101 static const __DRItexOffsetExtension intelTexOffsetExtension
= {
102 { __DRI_TEX_OFFSET
},
106 static const __DRItexBufferExtension intelTexBufferExtension
= {
107 { __DRI_TEX_BUFFER
, __DRI_TEX_BUFFER_VERSION
},
113 intelDRI2Flush(__DRIdrawable
*drawable
)
115 struct intel_context
*intel
= drawable
->driContextPriv
->driverPrivate
;
118 INTEL_FIREVERTICES(intel
);
120 if (intel
->batch
->map
!= intel
->batch
->ptr
)
121 intel_batchbuffer_flush(intel
->batch
);
125 intelDRI2FlushInvalidate(__DRIdrawable
*drawable
)
127 struct intel_context
*intel
= drawable
->driContextPriv
->driverPrivate
;
129 intel
->using_dri2_swapbuffers
= GL_TRUE
;
131 intelDRI2Flush(drawable
);
132 drawable
->validBuffers
= GL_FALSE
;
134 intel_update_renderbuffers(intel
->driContext
, drawable
);
137 static const struct __DRI2flushExtensionRec intelFlushExtension
= {
138 { __DRI2_FLUSH
, __DRI2_FLUSH_VERSION
},
140 intelDRI2FlushInvalidate
,
143 static const __DRIextension
*intelScreenExtensions
[] = {
144 &driReadDrawableExtension
,
145 &intelTexOffsetExtension
.base
,
146 &intelTexBufferExtension
.base
,
147 &intelFlushExtension
.base
,
152 intel_get_param(__DRIscreen
*psp
, int param
, int *value
)
155 struct drm_i915_getparam gp
;
160 ret
= drmCommandWriteRead(psp
->fd
, DRM_I915_GETPARAM
, &gp
, sizeof(gp
));
162 _mesa_warning(NULL
, "drm_i915_getparam: %d", ret
);
170 intelDestroyScreen(__DRIscreen
* sPriv
)
172 intelScreenPrivate
*intelScreen
= (intelScreenPrivate
*) sPriv
->private;
174 dri_bufmgr_destroy(intelScreen
->bufmgr
);
175 driDestroyOptionInfo(&intelScreen
->optionCache
);
178 sPriv
->private = NULL
;
183 * This is called when we need to set up GL rendering to a new X window.
186 intelCreateBuffer(__DRIscreen
* driScrnPriv
,
187 __DRIdrawable
* driDrawPriv
,
188 const __GLcontextModes
* mesaVis
, GLboolean isPixmap
)
190 struct intel_renderbuffer
*rb
;
193 return GL_FALSE
; /* not implemented */
196 GLboolean swStencil
= (mesaVis
->stencilBits
> 0 &&
197 mesaVis
->depthBits
!= 24);
200 struct gl_framebuffer
*fb
= CALLOC_STRUCT(gl_framebuffer
);
205 _mesa_initialize_window_framebuffer(fb
, mesaVis
);
207 if (mesaVis
->redBits
== 5)
208 rgbFormat
= MESA_FORMAT_RGB565
;
209 else if (mesaVis
->alphaBits
== 0)
210 rgbFormat
= MESA_FORMAT_XRGB8888
;
212 rgbFormat
= MESA_FORMAT_ARGB8888
;
214 /* setup the hardware-based renderbuffers */
215 rb
= intel_create_renderbuffer(rgbFormat
);
216 _mesa_add_renderbuffer(fb
, BUFFER_FRONT_LEFT
, &rb
->Base
);
218 if (mesaVis
->doubleBufferMode
) {
219 rb
= intel_create_renderbuffer(rgbFormat
);
220 _mesa_add_renderbuffer(fb
, BUFFER_BACK_LEFT
, &rb
->Base
);
223 if (mesaVis
->depthBits
== 24) {
224 if (mesaVis
->stencilBits
== 8) {
225 /* combined depth/stencil buffer */
226 struct intel_renderbuffer
*depthStencilRb
227 = intel_create_renderbuffer(MESA_FORMAT_S8_Z24
);
228 /* note: bind RB to two attachment points */
229 _mesa_add_renderbuffer(fb
, BUFFER_DEPTH
, &depthStencilRb
->Base
);
230 _mesa_add_renderbuffer(fb
, BUFFER_STENCIL
, &depthStencilRb
->Base
);
232 struct intel_renderbuffer
*depthRb
233 = intel_create_renderbuffer(MESA_FORMAT_X8_Z24
);
234 _mesa_add_renderbuffer(fb
, BUFFER_DEPTH
, &depthRb
->Base
);
237 else if (mesaVis
->depthBits
== 16) {
238 /* just 16-bit depth buffer, no hw stencil */
239 struct intel_renderbuffer
*depthRb
240 = intel_create_renderbuffer(MESA_FORMAT_Z16
);
241 _mesa_add_renderbuffer(fb
, BUFFER_DEPTH
, &depthRb
->Base
);
244 /* now add any/all software-based renderbuffers we may need */
245 _mesa_add_soft_renderbuffers(fb
,
246 GL_FALSE
, /* never sw color */
247 GL_FALSE
, /* never sw depth */
248 swStencil
, mesaVis
->accumRedBits
> 0,
249 GL_FALSE
, /* never sw alpha */
250 GL_FALSE
/* never sw aux */ );
251 driDrawPriv
->driverPrivate
= fb
;
258 intelDestroyBuffer(__DRIdrawable
* driDrawPriv
)
260 struct gl_framebuffer
*fb
= driDrawPriv
->driverPrivate
;
262 _mesa_reference_framebuffer(&fb
, NULL
);
265 /* There are probably better ways to do this, such as an
266 * init-designated function to register chipids and createcontext
269 extern GLboolean
i830CreateContext(const __GLcontextModes
* mesaVis
,
270 __DRIcontext
* driContextPriv
,
271 void *sharedContextPrivate
);
273 extern GLboolean
i915CreateContext(const __GLcontextModes
* mesaVis
,
274 __DRIcontext
* driContextPriv
,
275 void *sharedContextPrivate
);
276 extern GLboolean
brwCreateContext(const __GLcontextModes
* mesaVis
,
277 __DRIcontext
* driContextPriv
,
278 void *sharedContextPrivate
);
281 intelCreateContext(const __GLcontextModes
* mesaVis
,
282 __DRIcontext
* driContextPriv
,
283 void *sharedContextPrivate
)
285 __DRIscreen
*sPriv
= driContextPriv
->driScreenPriv
;
286 intelScreenPrivate
*intelScreen
= (intelScreenPrivate
*) sPriv
->private;
289 if (IS_9XX(intelScreen
->deviceID
)) {
290 if (!IS_965(intelScreen
->deviceID
)) {
291 return i915CreateContext(mesaVis
, driContextPriv
,
292 sharedContextPrivate
);
295 intelScreen
->no_vbo
= GL_TRUE
;
296 return i830CreateContext(mesaVis
, driContextPriv
, sharedContextPrivate
);
299 if (IS_965(intelScreen
->deviceID
))
300 return brwCreateContext(mesaVis
, driContextPriv
, sharedContextPrivate
);
302 fprintf(stderr
, "Unrecognized deviceID %x\n", intelScreen
->deviceID
);
307 intel_init_bufmgr(intelScreenPrivate
*intelScreen
)
309 __DRIscreen
*spriv
= intelScreen
->driScrnPriv
;
312 intelScreen
->no_hw
= getenv("INTEL_NO_HW") != NULL
;
314 intelScreen
->bufmgr
= intel_bufmgr_gem_init(spriv
->fd
, BATCH_SZ
);
315 /* Otherwise, use the classic buffer manager. */
316 if (intelScreen
->bufmgr
== NULL
) {
317 fprintf(stderr
, "[%s:%u] Error initializing buffer manager.\n",
322 if (intel_get_param(spriv
, I915_PARAM_NUM_FENCES_AVAIL
, &num_fences
))
323 intelScreen
->kernel_exec_fencing
= !!num_fences
;
325 intelScreen
->kernel_exec_fencing
= GL_FALSE
;
331 * This is the driver specific part of the createNewScreen entry point.
332 * Called when using DRI2.
334 * \return the __GLcontextModes supported by this driver
337 __DRIconfig
**intelInitScreen2(__DRIscreen
*psp
)
339 intelScreenPrivate
*intelScreen
;
343 static const GLenum back_buffer_modes
[] = {
344 GLX_NONE
, GLX_SWAP_UNDEFINED_OML
,
345 GLX_SWAP_EXCHANGE_OML
, GLX_SWAP_COPY_OML
347 uint8_t depth_bits
[4], stencil_bits
[4], msaa_samples_array
[1];
349 __DRIconfig
**configs
= NULL
;
351 /* Allocate the private area */
352 intelScreen
= (intelScreenPrivate
*) CALLOC(sizeof(intelScreenPrivate
));
354 fprintf(stderr
, "\nERROR! Allocating private area failed\n");
357 /* parse information in __driConfigOptions */
358 driParseOptionInfo(&intelScreen
->optionCache
,
359 __driConfigOptions
, __driNConfigOptions
);
361 intelScreen
->driScrnPriv
= psp
;
362 psp
->private = (void *) intelScreen
;
364 intelScreen
->drmMinor
= psp
->drm_version
.minor
;
366 /* Determine chipset ID */
367 if (!intel_get_param(psp
, I915_PARAM_CHIPSET_ID
,
368 &intelScreen
->deviceID
))
371 if (!intel_init_bufmgr(intelScreen
))
374 intelScreen
->irq_active
= 1;
375 psp
->extensions
= intelScreenExtensions
;
386 msaa_samples_array
[0] = 0;
388 fb_format
[0] = GL_RGB
;
389 fb_type
[0] = GL_UNSIGNED_SHORT_5_6_5
;
391 fb_format
[1] = GL_BGR
;
392 fb_type
[1] = GL_UNSIGNED_INT_8_8_8_8_REV
;
394 fb_format
[2] = GL_BGRA
;
395 fb_type
[2] = GL_UNSIGNED_INT_8_8_8_8_REV
;
400 for (color
= 0; color
< ARRAY_SIZE(fb_format
); color
++) {
401 __DRIconfig
**new_configs
;
404 /* With DRI2 right now, GetBuffers always returns a depth/stencil buffer
405 * with the same cpp as the drawable. So we can't support depth cpp !=
406 * color cpp currently.
408 if (fb_type
[color
] == GL_UNSIGNED_SHORT_5_6_5
) {
421 new_configs
= driCreateConfigs(fb_format
[color
], fb_type
[color
],
426 ARRAY_SIZE(back_buffer_modes
),
428 ARRAY_SIZE(msaa_samples_array
));
430 configs
= new_configs
;
432 configs
= driConcatConfigs(configs
, new_configs
);
435 if (configs
== NULL
) {
436 fprintf(stderr
, "[%s:%u] Error creating FBConfig!\n", __func__
,
441 return (const __DRIconfig
**)configs
;
444 const struct __DriverAPIRec driDriverAPI
= {
445 .DestroyScreen
= intelDestroyScreen
,
446 .CreateContext
= intelCreateContext
,
447 .DestroyContext
= intelDestroyContext
,
448 .CreateBuffer
= intelCreateBuffer
,
449 .DestroyBuffer
= intelDestroyBuffer
,
450 .MakeCurrent
= intelMakeCurrent
,
451 .UnbindContext
= intelUnbindContext
,
452 .InitScreen2
= intelInitScreen2
,
455 /* This is the table of extensions that the loader will dlsym() for. */
456 PUBLIC
const __DRIextension
*__driDriverExtensions
[] = {
457 &driCoreExtension
.base
,
458 &driDRI2Extension
.base
,