1 /**************************************************************************
3 * Copyright 2009, VMware, Inc.
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 VMWARE 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 * Author: Keith Whitwell <keithw@vmware.com>
29 * Author: Jakob Bornecrantz <wallbraker@gmail.com>
36 #include "dri_screen.h"
37 #include "dri_context.h"
38 #include "dri_drawable.h"
39 #include "dri_st_api.h"
42 #include "util/u_inlines.h"
43 #include "pipe/p_screen.h"
44 #include "pipe/p_format.h"
45 #include "state_tracker/drm_api.h"
47 #include "util/u_debug.h"
49 PUBLIC
const char __driConfigOptions
[] =
50 DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE
51 DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS
)
52 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0
)
53 DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY
54 /*DRI_CONF_FORCE_S3TC_ENABLE(false) */
55 DRI_CONF_ALLOW_LARGE_TEXTURES(1)
56 DRI_CONF_SECTION_END DRI_CONF_END
;
58 const uint __driNConfigOptions
= 3;
60 static const __DRItexBufferExtension dri2TexBufferExtension
= {
61 { __DRI_TEX_BUFFER
, __DRI_TEX_BUFFER_VERSION
},
67 dri2_flush_drawable(__DRIdrawable
*draw
)
72 dri2_invalidate_drawable(__DRIdrawable
*dPriv
)
74 struct dri_drawable
*drawable
= dri_drawable(dPriv
);
75 struct dri_context
*ctx
= dri_context(dPriv
->driContextPriv
);
77 dri2InvalidateDrawable(dPriv
);
78 drawable
->dPriv
->lastStamp
= *drawable
->dPriv
->pStamp
;
81 ctx
->st
->notify_invalid_framebuffer(ctx
->st
, drawable
->stfb
);
84 static const __DRI2flushExtension dri2FlushExtension
= {
85 { __DRI2_FLUSH
, __DRI2_FLUSH_VERSION
},
87 dri2_invalidate_drawable
,
90 static const __DRIextension
*dri_screen_extensions
[] = {
91 &driReadDrawableExtension
,
92 &driCopySubBufferExtension
.base
,
93 &driSwapControlExtension
.base
,
94 &driFrameTrackingExtension
.base
,
95 &driMediaStreamCounterExtension
.base
,
96 &dri2TexBufferExtension
.base
,
97 &dri2FlushExtension
.base
,
102 dri_fill_in_modes(struct dri_screen
*screen
,
105 __DRIconfig
**configs
= NULL
;
106 __DRIconfig
**configs_r5g6b5
= NULL
;
107 __DRIconfig
**configs_a8r8g8b8
= NULL
;
108 __DRIconfig
**configs_x8r8g8b8
= NULL
;
110 uint8_t depth_bits_array
[5];
111 uint8_t stencil_bits_array
[5];
112 uint8_t msaa_samples_array
[2];
113 unsigned depth_buffer_factor
;
114 unsigned back_buffer_factor
;
115 unsigned msaa_samples_factor
;
116 struct pipe_screen
*p_screen
= screen
->pipe_screen
;
117 boolean pf_r5g6b5
, pf_a8r8g8b8
, pf_x8r8g8b8
;
118 boolean pf_z16
, pf_x8z24
, pf_z24x8
, pf_s8z24
, pf_z24s8
, pf_z32
;
120 static const GLenum back_buffer_modes
[] = {
121 GLX_NONE
, GLX_SWAP_UNDEFINED_OML
, GLX_SWAP_COPY_OML
124 depth_bits_array
[0] = 0;
125 stencil_bits_array
[0] = 0;
126 depth_buffer_factor
= 1;
128 pf_x8z24
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z24X8_UNORM
,
130 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
, 0);
131 pf_z24x8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_X8Z24_UNORM
,
133 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
, 0);
134 pf_s8z24
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z24S8_UNORM
,
136 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
, 0);
137 pf_z24s8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_S8Z24_UNORM
,
139 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
, 0);
140 pf_a8r8g8b8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B8G8R8A8_UNORM
,
142 PIPE_TEXTURE_USAGE_RENDER_TARGET
, 0);
143 pf_x8r8g8b8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B8G8R8X8_UNORM
,
145 PIPE_TEXTURE_USAGE_RENDER_TARGET
, 0);
146 pf_r5g6b5
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B5G6R5_UNORM
,
148 PIPE_TEXTURE_USAGE_RENDER_TARGET
, 0);
150 /* We can only get a 16 or 32 bit depth buffer with getBuffersWithFormat */
151 if (screen
->sPriv
->dri2
.loader
&&
152 (screen
->sPriv
->dri2
.loader
->base
.version
> 2) &&
153 (screen
->sPriv
->dri2
.loader
->getBuffersWithFormat
!= NULL
)) {
154 pf_z16
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z16_UNORM
,
156 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
, 0);
157 pf_z32
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z32_UNORM
,
159 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
, 0);
166 depth_bits_array
[depth_buffer_factor
] = 16;
167 stencil_bits_array
[depth_buffer_factor
++] = 0;
169 if (pf_x8z24
|| pf_z24x8
) {
170 depth_bits_array
[depth_buffer_factor
] = 24;
171 stencil_bits_array
[depth_buffer_factor
++] = 0;
172 screen
->d_depth_bits_last
= pf_x8z24
;
174 if (pf_s8z24
|| pf_z24s8
) {
175 depth_bits_array
[depth_buffer_factor
] = 24;
176 stencil_bits_array
[depth_buffer_factor
++] = 8;
177 screen
->sd_depth_bits_last
= pf_s8z24
;
180 depth_bits_array
[depth_buffer_factor
] = 32;
181 stencil_bits_array
[depth_buffer_factor
++] = 0;
184 msaa_samples_array
[0] = 0;
185 msaa_samples_array
[1] = 4;
186 back_buffer_factor
= 3;
187 msaa_samples_factor
= 2;
190 depth_buffer_factor
* back_buffer_factor
* msaa_samples_factor
* 4;
193 configs_r5g6b5
= driCreateConfigs(GL_RGB
, GL_UNSIGNED_SHORT_5_6_5
,
194 depth_bits_array
, stencil_bits_array
,
195 depth_buffer_factor
, back_buffer_modes
,
197 msaa_samples_array
, msaa_samples_factor
,
201 configs_a8r8g8b8
= driCreateConfigs(GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8_REV
,
212 configs_x8r8g8b8
= driCreateConfigs(GL_BGR
, GL_UNSIGNED_INT_8_8_8_8_REV
,
222 if (pixel_bits
== 16) {
223 configs
= configs_r5g6b5
;
224 if (configs_a8r8g8b8
)
225 configs
= configs
? driConcatConfigs(configs
, configs_a8r8g8b8
) : configs_a8r8g8b8
;
226 if (configs_x8r8g8b8
)
227 configs
= configs
? driConcatConfigs(configs
, configs_x8r8g8b8
) : configs_x8r8g8b8
;
229 configs
= configs_a8r8g8b8
;
230 if (configs_x8r8g8b8
)
231 configs
= configs
? driConcatConfigs(configs
, configs_x8r8g8b8
) : configs_x8r8g8b8
;
233 configs
= configs
? driConcatConfigs(configs
, configs_r5g6b5
) : configs_r5g6b5
;
236 if (configs
== NULL
) {
237 debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__
);
241 return (const __DRIconfig
**)configs
;
245 * Roughly the converse of dri_fill_in_modes.
248 dri_fill_st_visual(struct st_visual
*stvis
, struct dri_screen
*screen
,
249 const __GLcontextModes
*mode
)
251 memset(stvis
, 0, sizeof(*stvis
));
253 stvis
->samples
= mode
->samples
;
254 stvis
->render_buffer
= ST_ATTACHMENT_INVALID
;
256 if (mode
->redBits
== 8) {
257 if (mode
->alphaBits
== 8)
258 stvis
->color_format
= PIPE_FORMAT_B8G8R8A8_UNORM
;
260 stvis
->color_format
= PIPE_FORMAT_B8G8R8X8_UNORM
;
262 stvis
->color_format
= PIPE_FORMAT_B5G6R5_UNORM
;
265 switch (mode
->depthBits
) {
268 stvis
->depth_stencil_format
= PIPE_FORMAT_NONE
;
271 stvis
->depth_stencil_format
= PIPE_FORMAT_Z16_UNORM
;
274 if (mode
->stencilBits
== 0) {
275 stvis
->depth_stencil_format
= (screen
->d_depth_bits_last
) ?
276 PIPE_FORMAT_Z24X8_UNORM
:
277 PIPE_FORMAT_X8Z24_UNORM
;
279 stvis
->depth_stencil_format
= (screen
->sd_depth_bits_last
) ?
280 PIPE_FORMAT_Z24S8_UNORM
:
281 PIPE_FORMAT_S8Z24_UNORM
;
285 stvis
->depth_stencil_format
= PIPE_FORMAT_Z32_UNORM
;
289 stvis
->accum_format
= (mode
->haveAccumBuffer
) ?
290 PIPE_FORMAT_R16G16B16A16_SNORM
: PIPE_FORMAT_NONE
;
292 stvis
->buffer_mask
|= ST_ATTACHMENT_FRONT_LEFT_MASK
;
293 if (mode
->doubleBufferMode
)
294 stvis
->buffer_mask
|= ST_ATTACHMENT_BACK_LEFT_MASK
;
295 if (mode
->stereoMode
) {
296 stvis
->buffer_mask
|= ST_ATTACHMENT_FRONT_RIGHT_MASK
;
297 if (mode
->doubleBufferMode
)
298 stvis
->buffer_mask
|= ST_ATTACHMENT_BACK_RIGHT_MASK
;
301 if (mode
->haveDepthBuffer
|| mode
->haveStencilBuffer
)
302 stvis
->buffer_mask
|= ST_ATTACHMENT_DEPTH_STENCIL_MASK
;
303 /* let the state tracker allocate the accum buffer */
307 * Get information about previous buffer swaps.
310 dri_get_swap_info(__DRIdrawable
* dPriv
, __DRIswapInfo
* sInfo
)
312 if (dPriv
== NULL
|| dPriv
->driverPrivate
== NULL
|| sInfo
== NULL
)
319 dri_destroy_screen(__DRIscreen
* sPriv
)
321 struct dri_screen
*screen
= dri_screen(sPriv
);
324 if (screen
->dri1_pipe
)
325 screen
->dri1_pipe
->destroy(screen
->dri1_pipe
);
328 dri_destroy_st_manager(screen
->smapi
);
329 if (screen
->pipe_screen
)
330 screen
->pipe_screen
->destroy(screen
->pipe_screen
);
332 for (i
= 0; i
< (1 << screen
->optionCache
.tableSize
); ++i
) {
333 FREE(screen
->optionCache
.info
[i
].name
);
334 FREE(screen
->optionCache
.info
[i
].ranges
);
337 FREE(screen
->optionCache
.info
);
338 FREE(screen
->optionCache
.values
);
341 sPriv
->private = NULL
;
342 sPriv
->extensions
= NULL
;
346 * This is the driver specific part of the createNewScreen entry point.
348 * Returns the __GLcontextModes supported by this driver.
350 static const __DRIconfig
**
351 dri_init_screen2(__DRIscreen
* sPriv
)
353 struct dri_screen
*screen
;
354 struct drm_create_screen_arg arg
;
355 const __DRIdri2LoaderExtension
*dri2_ext
=
358 screen
= CALLOC_STRUCT(dri_screen
);
362 screen
->api
= drm_api_create();
363 screen
->sPriv
= sPriv
;
364 screen
->fd
= sPriv
->fd
;
365 sPriv
->private = (void *)screen
;
366 sPriv
->extensions
= dri_screen_extensions
;
367 arg
.mode
= DRM_CREATE_NORMAL
;
369 screen
->pipe_screen
= screen
->api
->create_screen(screen
->api
, screen
->fd
, &arg
);
370 if (!screen
->pipe_screen
) {
371 debug_printf("%s: failed to create pipe_screen\n", __FUNCTION__
);
375 screen
->smapi
= dri_create_st_manager(screen
);
379 driParseOptionInfo(&screen
->optionCache
,
380 __driConfigOptions
, __driNConfigOptions
);
382 screen
->auto_fake_front
= dri2_ext
->base
.version
>= 3 &&
383 dri2_ext
->getBuffersWithFormat
!= NULL
;
385 return dri_fill_in_modes(screen
, 32);
387 dri_destroy_screen(sPriv
);
391 const struct __DriverAPIRec driDriverAPI
= {
392 .DestroyScreen
= dri_destroy_screen
,
393 .CreateContext
= dri_create_context
,
394 .DestroyContext
= dri_destroy_context
,
395 .CreateBuffer
= dri_create_buffer
,
396 .DestroyBuffer
= dri_destroy_buffer
,
397 .MakeCurrent
= dri_make_current
,
398 .UnbindContext
= dri_unbind_context
,
399 .GetSwapInfo
= dri_get_swap_info
,
400 .GetDrawableMSC
= driDrawableGetMSC32
,
401 .WaitForMSC
= driWaitForMSC32
,
402 .InitScreen2
= dri_init_screen2
,
404 .InitScreen
= dri1_init_screen
,
405 .SwapBuffers
= dri1_swap_buffers
,
406 .CopySubBuffer
= dri1_copy_sub_buffer
,
409 /* This is the table of extensions that the loader will dlsym() for. */
410 PUBLIC
const __DRIextension
*__driDriverExtensions
[] = {
411 &driCoreExtension
.base
,
412 &driLegacyExtension
.base
,
413 &driDRI2Extension
.base
,
417 /* vim: set sw=3 ts=8 sts=3 expandtab: */