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>
33 #ifndef __NOT_HAVE_DRM_H
38 #include "dri_screen.h"
39 #include "dri_context.h"
40 #include "dri_drawable.h"
41 #include "dri1_helper.h"
42 #ifndef __NOT_HAVE_DRM_H
49 #include "util/u_inlines.h"
50 #include "pipe/p_screen.h"
51 #include "pipe/p_format.h"
52 #include "state_tracker/st_gl_api.h" /* for st_gl_api_create */
54 #include "util/u_debug.h"
56 PUBLIC
const char __driConfigOptions
[] =
57 DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE
58 DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS
)
59 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0
)
60 DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY
61 /* DRI_CONF_FORCE_S3TC_ENABLE(false) */
62 DRI_CONF_ALLOW_LARGE_TEXTURES(1)
63 DRI_CONF_SECTION_END DRI_CONF_END
;
65 static const uint __driNConfigOptions
= 3;
67 static const __DRIconfig
**
68 dri_fill_in_modes(struct dri_screen
*screen
,
71 __DRIconfig
**configs
= NULL
;
72 __DRIconfig
**configs_r5g6b5
= NULL
;
73 __DRIconfig
**configs_a8r8g8b8
= NULL
;
74 __DRIconfig
**configs_x8r8g8b8
= NULL
;
76 uint8_t depth_bits_array
[5];
77 uint8_t stencil_bits_array
[5];
78 uint8_t msaa_samples_array
[2];
79 unsigned depth_buffer_factor
;
80 unsigned back_buffer_factor
;
81 unsigned msaa_samples_factor
;
82 struct pipe_screen
*p_screen
= screen
->base
.screen
;
83 boolean pf_r5g6b5
, pf_a8r8g8b8
, pf_x8r8g8b8
;
84 boolean pf_z16
, pf_x8z24
, pf_z24x8
, pf_s8z24
, pf_z24s8
, pf_z32
;
86 static const GLenum back_buffer_modes
[] = {
87 GLX_NONE
, GLX_SWAP_UNDEFINED_OML
, GLX_SWAP_COPY_OML
90 depth_bits_array
[0] = 0;
91 stencil_bits_array
[0] = 0;
92 depth_buffer_factor
= 1;
94 pf_x8z24
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z24X8_UNORM
,
96 PIPE_BIND_DEPTH_STENCIL
, 0);
97 pf_z24x8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_X8Z24_UNORM
,
99 PIPE_BIND_DEPTH_STENCIL
, 0);
100 pf_s8z24
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z24_UNORM_S8_USCALED
,
102 PIPE_BIND_DEPTH_STENCIL
, 0);
103 pf_z24s8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_S8_USCALED_Z24_UNORM
,
105 PIPE_BIND_DEPTH_STENCIL
, 0);
106 pf_a8r8g8b8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B8G8R8A8_UNORM
,
108 PIPE_BIND_RENDER_TARGET
, 0);
109 pf_x8r8g8b8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B8G8R8X8_UNORM
,
111 PIPE_BIND_RENDER_TARGET
, 0);
112 pf_r5g6b5
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B5G6R5_UNORM
,
114 PIPE_BIND_RENDER_TARGET
, 0);
116 /* We can only get a 16 or 32 bit depth buffer with getBuffersWithFormat */
117 if (dri_with_format(screen
->sPriv
)) {
118 pf_z16
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z16_UNORM
,
120 PIPE_BIND_DEPTH_STENCIL
, 0);
121 pf_z32
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z32_UNORM
,
123 PIPE_BIND_DEPTH_STENCIL
, 0);
130 depth_bits_array
[depth_buffer_factor
] = 16;
131 stencil_bits_array
[depth_buffer_factor
++] = 0;
133 if (pf_x8z24
|| pf_z24x8
) {
134 depth_bits_array
[depth_buffer_factor
] = 24;
135 stencil_bits_array
[depth_buffer_factor
++] = 0;
136 screen
->d_depth_bits_last
= pf_x8z24
;
138 if (pf_s8z24
|| pf_z24s8
) {
139 depth_bits_array
[depth_buffer_factor
] = 24;
140 stencil_bits_array
[depth_buffer_factor
++] = 8;
141 screen
->sd_depth_bits_last
= pf_s8z24
;
144 depth_bits_array
[depth_buffer_factor
] = 32;
145 stencil_bits_array
[depth_buffer_factor
++] = 0;
148 msaa_samples_array
[0] = 0;
149 msaa_samples_array
[1] = 4;
150 back_buffer_factor
= 3;
151 msaa_samples_factor
= 2;
154 depth_buffer_factor
* back_buffer_factor
* msaa_samples_factor
* 4;
157 configs_r5g6b5
= driCreateConfigs(GL_RGB
, GL_UNSIGNED_SHORT_5_6_5
,
158 depth_bits_array
, stencil_bits_array
,
159 depth_buffer_factor
, back_buffer_modes
,
161 msaa_samples_array
, msaa_samples_factor
,
165 configs_a8r8g8b8
= driCreateConfigs(GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8_REV
,
176 configs_x8r8g8b8
= driCreateConfigs(GL_BGR
, GL_UNSIGNED_INT_8_8_8_8_REV
,
186 if (pixel_bits
== 16) {
187 configs
= configs_r5g6b5
;
188 if (configs_a8r8g8b8
)
189 configs
= configs
? driConcatConfigs(configs
, configs_a8r8g8b8
) : configs_a8r8g8b8
;
190 if (configs_x8r8g8b8
)
191 configs
= configs
? driConcatConfigs(configs
, configs_x8r8g8b8
) : configs_x8r8g8b8
;
193 configs
= configs_a8r8g8b8
;
194 if (configs_x8r8g8b8
)
195 configs
= configs
? driConcatConfigs(configs
, configs_x8r8g8b8
) : configs_x8r8g8b8
;
197 configs
= configs
? driConcatConfigs(configs
, configs_r5g6b5
) : configs_r5g6b5
;
200 if (configs
== NULL
) {
201 debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__
);
205 return (const __DRIconfig
**)configs
;
209 * Roughly the converse of dri_fill_in_modes.
212 dri_fill_st_visual(struct st_visual
*stvis
, struct dri_screen
*screen
,
213 const __GLcontextModes
*mode
)
215 memset(stvis
, 0, sizeof(*stvis
));
217 stvis
->samples
= mode
->samples
;
218 stvis
->render_buffer
= ST_ATTACHMENT_INVALID
;
220 if (mode
->redBits
== 8) {
221 if (mode
->alphaBits
== 8)
222 stvis
->color_format
= PIPE_FORMAT_B8G8R8A8_UNORM
;
224 stvis
->color_format
= PIPE_FORMAT_B8G8R8X8_UNORM
;
226 stvis
->color_format
= PIPE_FORMAT_B5G6R5_UNORM
;
229 switch (mode
->depthBits
) {
232 stvis
->depth_stencil_format
= PIPE_FORMAT_NONE
;
235 stvis
->depth_stencil_format
= PIPE_FORMAT_Z16_UNORM
;
238 if (mode
->stencilBits
== 0) {
239 stvis
->depth_stencil_format
= (screen
->d_depth_bits_last
) ?
240 PIPE_FORMAT_Z24X8_UNORM
:
241 PIPE_FORMAT_X8Z24_UNORM
;
243 stvis
->depth_stencil_format
= (screen
->sd_depth_bits_last
) ?
244 PIPE_FORMAT_Z24_UNORM_S8_USCALED
:
245 PIPE_FORMAT_S8_USCALED_Z24_UNORM
;
249 stvis
->depth_stencil_format
= PIPE_FORMAT_Z32_UNORM
;
253 stvis
->accum_format
= (mode
->haveAccumBuffer
) ?
254 PIPE_FORMAT_R16G16B16A16_SNORM
: PIPE_FORMAT_NONE
;
256 stvis
->buffer_mask
|= ST_ATTACHMENT_FRONT_LEFT_MASK
;
257 if (mode
->doubleBufferMode
)
258 stvis
->buffer_mask
|= ST_ATTACHMENT_BACK_LEFT_MASK
;
259 if (mode
->stereoMode
) {
260 stvis
->buffer_mask
|= ST_ATTACHMENT_FRONT_RIGHT_MASK
;
261 if (mode
->doubleBufferMode
)
262 stvis
->buffer_mask
|= ST_ATTACHMENT_BACK_RIGHT_MASK
;
265 if (mode
->haveDepthBuffer
|| mode
->haveStencilBuffer
)
266 stvis
->buffer_mask
|= ST_ATTACHMENT_DEPTH_STENCIL_MASK
;
267 /* let the state tracker allocate the accum buffer */
270 #ifndef __NOT_HAVE_DRM_H
273 * Get information about previous buffer swaps.
276 dri_get_swap_info(__DRIdrawable
* dPriv
, __DRIswapInfo
* sInfo
)
278 if (dPriv
== NULL
|| dPriv
->driverPrivate
== NULL
|| sInfo
== NULL
)
287 dri_get_egl_image(struct st_manager
*smapi
,
288 struct st_egl_image
*stimg
)
290 struct dri_context
*ctx
=
291 (struct dri_context
*)stimg
->stctxi
->st_manager_private
;
292 struct dri_screen
*screen
= dri_screen(ctx
->sPriv
);
293 __DRIimage
*img
= NULL
;
295 if (screen
->lookup_egl_image
) {
296 img
= screen
->lookup_egl_image(ctx
, stimg
->egl_image
);
302 stimg
->texture
= NULL
;
303 pipe_resource_reference(&stimg
->texture
, img
->texture
);
304 stimg
->face
= img
->face
;
305 stimg
->level
= img
->level
;
306 stimg
->zslice
= img
->zslice
;
312 dri_destroy_option_cache(struct dri_screen
* screen
)
316 if (screen
->optionCache
.info
) {
317 for (i
= 0; i
< (1 << screen
->optionCache
.tableSize
); ++i
) {
318 FREE(screen
->optionCache
.info
[i
].name
);
319 FREE(screen
->optionCache
.info
[i
].ranges
);
321 FREE(screen
->optionCache
.info
);
324 FREE(screen
->optionCache
.values
);
328 dri_destroy_screen_helper(struct dri_screen
* screen
)
330 dri1_destroy_pipe_context(screen
);
332 if (screen
->st_api
&& screen
->st_api
->destroy
)
333 screen
->st_api
->destroy(screen
->st_api
);
335 if (screen
->base
.screen
)
336 screen
->base
.screen
->destroy(screen
->base
.screen
);
338 dri_destroy_option_cache(screen
);
342 dri_destroy_screen(__DRIscreen
* sPriv
)
344 struct dri_screen
*screen
= dri_screen(sPriv
);
346 dri_destroy_screen_helper(screen
);
349 sPriv
->private = NULL
;
350 sPriv
->extensions
= NULL
;
354 dri_init_screen_helper(struct dri_screen
*screen
,
355 struct pipe_screen
*pscreen
,
358 screen
->base
.screen
= pscreen
;
359 if (!screen
->base
.screen
) {
360 debug_printf("%s: failed to create pipe_screen\n", __FUNCTION__
);
364 screen
->base
.get_egl_image
= dri_get_egl_image
;
365 screen
->st_api
= st_gl_api_create();
370 driParseOptionInfo(&screen
->optionCache
,
371 __driConfigOptions
, __driNConfigOptions
);
373 return dri_fill_in_modes(screen
, pixel_bits
);
377 * DRI driver virtual function table.
379 * DRI versions differ in their implementation of init_screen and swap_buffers.
381 const struct __DriverAPIRec driDriverAPI
= {
382 .DestroyScreen
= dri_destroy_screen
,
383 .CreateContext
= dri_create_context
,
384 .DestroyContext
= dri_destroy_context
,
385 .CreateBuffer
= dri_create_buffer
,
386 .DestroyBuffer
= dri_destroy_buffer
,
387 .MakeCurrent
= dri_make_current
,
388 .UnbindContext
= dri_unbind_context
,
390 #ifndef __NOT_HAVE_DRM_H
392 .GetSwapInfo
= dri_get_swap_info
,
393 .GetDrawableMSC
= driDrawableGetMSC32
,
394 .WaitForMSC
= driWaitForMSC32
,
395 .InitScreen2
= dri2_init_screen
,
397 .InitScreen
= dri1_init_screen
,
398 .SwapBuffers
= dri1_swap_buffers
,
399 .CopySubBuffer
= dri1_copy_sub_buffer
,
403 .InitScreen
= drisw_init_screen
,
404 .SwapBuffers
= drisw_swap_buffers
,
410 /* vim: set sw=3 ts=8 sts=3 expandtab: */