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>
35 #include "dri_screen.h"
37 #include "util/u_inlines.h"
38 #include "pipe/p_screen.h"
39 #include "pipe/p_format.h"
40 #include "state_tracker/st_gl_api.h" /* for st_gl_api_create */
42 #include "util/u_debug.h"
44 PUBLIC
const char __driConfigOptions
[] =
45 DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE
46 DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS
)
47 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0
)
48 DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY
49 /* DRI_CONF_FORCE_S3TC_ENABLE(false) */
50 DRI_CONF_ALLOW_LARGE_TEXTURES(1)
51 DRI_CONF_SECTION_END DRI_CONF_END
;
53 static const uint __driNConfigOptions
= 3;
55 static const __DRIconfig
**
56 dri_fill_in_modes(struct dri_screen
*screen
,
59 __DRIconfig
**configs
= NULL
;
60 __DRIconfig
**configs_r5g6b5
= NULL
;
61 __DRIconfig
**configs_a8r8g8b8
= NULL
;
62 __DRIconfig
**configs_x8r8g8b8
= NULL
;
63 uint8_t depth_bits_array
[5];
64 uint8_t stencil_bits_array
[5];
65 uint8_t msaa_samples_array
[5];
66 unsigned depth_buffer_factor
;
67 unsigned back_buffer_factor
;
68 unsigned msaa_samples_factor
;
70 struct pipe_screen
*p_screen
= screen
->base
.screen
;
71 boolean pf_r5g6b5
, pf_a8r8g8b8
, pf_x8r8g8b8
;
72 boolean pf_z16
, pf_x8z24
, pf_z24x8
, pf_s8z24
, pf_z24s8
, pf_z32
;
74 static const GLenum back_buffer_modes
[] = {
75 GLX_NONE
, GLX_SWAP_UNDEFINED_OML
, GLX_SWAP_COPY_OML
78 depth_bits_array
[0] = 0;
79 stencil_bits_array
[0] = 0;
80 depth_buffer_factor
= 1;
82 pf_x8z24
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z24X8_UNORM
,
84 PIPE_BIND_DEPTH_STENCIL
, 0);
85 pf_z24x8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_X8Z24_UNORM
,
87 PIPE_BIND_DEPTH_STENCIL
, 0);
88 pf_s8z24
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z24_UNORM_S8_USCALED
,
90 PIPE_BIND_DEPTH_STENCIL
, 0);
91 pf_z24s8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_S8_USCALED_Z24_UNORM
,
93 PIPE_BIND_DEPTH_STENCIL
, 0);
94 pf_a8r8g8b8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B8G8R8A8_UNORM
,
96 PIPE_BIND_RENDER_TARGET
, 0);
97 pf_x8r8g8b8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B8G8R8X8_UNORM
,
99 PIPE_BIND_RENDER_TARGET
, 0);
100 pf_r5g6b5
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B5G6R5_UNORM
,
102 PIPE_BIND_RENDER_TARGET
, 0);
104 /* We can only get a 16 or 32 bit depth buffer with getBuffersWithFormat */
105 if (dri_with_format(screen
->sPriv
)) {
106 pf_z16
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z16_UNORM
,
108 PIPE_BIND_DEPTH_STENCIL
, 0);
109 pf_z32
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z32_UNORM
,
111 PIPE_BIND_DEPTH_STENCIL
, 0);
118 depth_bits_array
[depth_buffer_factor
] = 16;
119 stencil_bits_array
[depth_buffer_factor
++] = 0;
121 if (pf_x8z24
|| pf_z24x8
) {
122 depth_bits_array
[depth_buffer_factor
] = 24;
123 stencil_bits_array
[depth_buffer_factor
++] = 0;
124 screen
->d_depth_bits_last
= pf_x8z24
;
126 if (pf_s8z24
|| pf_z24s8
) {
127 depth_bits_array
[depth_buffer_factor
] = 24;
128 stencil_bits_array
[depth_buffer_factor
++] = 8;
129 screen
->sd_depth_bits_last
= pf_s8z24
;
132 depth_bits_array
[depth_buffer_factor
] = 32;
133 stencil_bits_array
[depth_buffer_factor
++] = 0;
136 msaa_samples_array
[0] = 0;
137 back_buffer_factor
= 3;
139 /* also test color for msaa 2/4/6/8 - just assume it'll work for all depth buffers */
141 msaa_samples_factor
= 1;
142 for (i
= 1; i
< 5; i
++) {
143 if (p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B5G6R5_UNORM
,
144 PIPE_TEXTURE_2D
, i
*2,
145 PIPE_BIND_RENDER_TARGET
, 0)) {
146 msaa_samples_array
[msaa_samples_factor
] = i
* 2;
147 msaa_samples_factor
++;
151 configs_r5g6b5
= driCreateConfigs(GL_RGB
, GL_UNSIGNED_SHORT_5_6_5
,
152 depth_bits_array
, stencil_bits_array
,
153 depth_buffer_factor
, back_buffer_modes
,
155 msaa_samples_array
, msaa_samples_factor
,
160 msaa_samples_factor
= 1;
161 for (i
= 1; i
< 5; i
++) {
162 if (p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B8G8R8A8_UNORM
,
163 PIPE_TEXTURE_2D
, i
*2,
164 PIPE_BIND_RENDER_TARGET
, 0)) {
165 msaa_samples_array
[msaa_samples_factor
] = i
* 2;
166 msaa_samples_factor
++;
170 configs_a8r8g8b8
= driCreateConfigs(GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8_REV
,
182 msaa_samples_factor
= 1;
183 for (i
= 1; i
< 5; i
++) {
184 if (p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B8G8R8X8_UNORM
,
185 PIPE_TEXTURE_2D
, i
*2,
186 PIPE_BIND_RENDER_TARGET
, 0)) {
187 msaa_samples_array
[msaa_samples_factor
] = i
* 2;
188 msaa_samples_factor
++;
192 configs_x8r8g8b8
= driCreateConfigs(GL_BGR
, GL_UNSIGNED_INT_8_8_8_8_REV
,
203 if (pixel_bits
== 16) {
204 configs
= configs_r5g6b5
;
205 if (configs_a8r8g8b8
)
206 configs
= configs
? driConcatConfigs(configs
, configs_a8r8g8b8
) : configs_a8r8g8b8
;
207 if (configs_x8r8g8b8
)
208 configs
= configs
? driConcatConfigs(configs
, configs_x8r8g8b8
) : configs_x8r8g8b8
;
210 configs
= configs_a8r8g8b8
;
211 if (configs_x8r8g8b8
)
212 configs
= configs
? driConcatConfigs(configs
, configs_x8r8g8b8
) : configs_x8r8g8b8
;
214 configs
= configs
? driConcatConfigs(configs
, configs_r5g6b5
) : configs_r5g6b5
;
217 if (configs
== NULL
) {
218 debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__
);
222 return (const __DRIconfig
**)configs
;
226 * Roughly the converse of dri_fill_in_modes.
229 dri_fill_st_visual(struct st_visual
*stvis
, struct dri_screen
*screen
,
230 const struct gl_config
*mode
)
232 memset(stvis
, 0, sizeof(*stvis
));
237 stvis
->samples
= mode
->samples
;
238 stvis
->render_buffer
= ST_ATTACHMENT_INVALID
;
240 if (mode
->redBits
== 8) {
241 if (mode
->alphaBits
== 8)
242 stvis
->color_format
= PIPE_FORMAT_B8G8R8A8_UNORM
;
244 stvis
->color_format
= PIPE_FORMAT_B8G8R8X8_UNORM
;
246 stvis
->color_format
= PIPE_FORMAT_B5G6R5_UNORM
;
249 switch (mode
->depthBits
) {
252 stvis
->depth_stencil_format
= PIPE_FORMAT_NONE
;
255 stvis
->depth_stencil_format
= PIPE_FORMAT_Z16_UNORM
;
258 if (mode
->stencilBits
== 0) {
259 stvis
->depth_stencil_format
= (screen
->d_depth_bits_last
) ?
260 PIPE_FORMAT_Z24X8_UNORM
:
261 PIPE_FORMAT_X8Z24_UNORM
;
263 stvis
->depth_stencil_format
= (screen
->sd_depth_bits_last
) ?
264 PIPE_FORMAT_Z24_UNORM_S8_USCALED
:
265 PIPE_FORMAT_S8_USCALED_Z24_UNORM
;
269 stvis
->depth_stencil_format
= PIPE_FORMAT_Z32_UNORM
;
273 stvis
->accum_format
= (mode
->haveAccumBuffer
) ?
274 PIPE_FORMAT_R16G16B16A16_SNORM
: PIPE_FORMAT_NONE
;
276 stvis
->buffer_mask
|= ST_ATTACHMENT_FRONT_LEFT_MASK
;
277 if (mode
->doubleBufferMode
)
278 stvis
->buffer_mask
|= ST_ATTACHMENT_BACK_LEFT_MASK
;
279 if (mode
->stereoMode
) {
280 stvis
->buffer_mask
|= ST_ATTACHMENT_FRONT_RIGHT_MASK
;
281 if (mode
->doubleBufferMode
)
282 stvis
->buffer_mask
|= ST_ATTACHMENT_BACK_RIGHT_MASK
;
285 if (mode
->haveDepthBuffer
|| mode
->haveStencilBuffer
)
286 stvis
->buffer_mask
|= ST_ATTACHMENT_DEPTH_STENCIL_MASK
;
287 /* let the state tracker allocate the accum buffer */
291 dri_get_egl_image(struct st_manager
*smapi
,
293 struct st_egl_image
*stimg
)
295 struct dri_screen
*screen
= (struct dri_screen
*)smapi
;
296 __DRIimage
*img
= NULL
;
298 if (screen
->lookup_egl_image
) {
299 img
= screen
->lookup_egl_image(screen
, egl_image
);
305 stimg
->texture
= NULL
;
306 pipe_resource_reference(&stimg
->texture
, img
->texture
);
307 stimg
->face
= img
->face
;
308 stimg
->level
= img
->level
;
309 stimg
->zslice
= img
->zslice
;
315 dri_get_param(struct st_manager
*smapi
,
316 enum st_manager_param param
)
318 struct dri_screen
*screen
= (struct dri_screen
*)smapi
;
321 case ST_MANAGER_BROKEN_INVALIDATE
:
322 return screen
->broken_invalidate
;
329 dri_destroy_option_cache(struct dri_screen
* screen
)
333 if (screen
->optionCache
.info
) {
334 for (i
= 0; i
< (1 << screen
->optionCache
.tableSize
); ++i
) {
335 FREE(screen
->optionCache
.info
[i
].name
);
336 FREE(screen
->optionCache
.info
[i
].ranges
);
338 FREE(screen
->optionCache
.info
);
341 FREE(screen
->optionCache
.values
);
345 dri_destroy_screen_helper(struct dri_screen
* screen
)
347 if (screen
->st_api
&& screen
->st_api
->destroy
)
348 screen
->st_api
->destroy(screen
->st_api
);
350 if (screen
->base
.screen
)
351 screen
->base
.screen
->destroy(screen
->base
.screen
);
353 dri_destroy_option_cache(screen
);
357 dri_destroy_screen(__DRIscreen
* sPriv
)
359 struct dri_screen
*screen
= dri_screen(sPriv
);
361 dri_destroy_screen_helper(screen
);
364 sPriv
->private = NULL
;
365 sPriv
->extensions
= NULL
;
369 dri_init_screen_helper(struct dri_screen
*screen
,
370 struct pipe_screen
*pscreen
,
373 screen
->base
.screen
= pscreen
;
374 if (!screen
->base
.screen
) {
375 debug_printf("%s: failed to create pipe_screen\n", __FUNCTION__
);
379 screen
->base
.get_egl_image
= dri_get_egl_image
;
380 screen
->base
.get_param
= dri_get_param
;
382 screen
->st_api
= st_gl_api_create();
386 if(pscreen
->get_param(pscreen
, PIPE_CAP_NPOT_TEXTURES
))
387 screen
->target
= PIPE_TEXTURE_2D
;
389 screen
->target
= PIPE_TEXTURE_RECT
;
391 driParseOptionInfo(&screen
->optionCache
,
392 __driConfigOptions
, __driNConfigOptions
);
394 return dri_fill_in_modes(screen
, pixel_bits
);
397 /* vim: set sw=3 ts=8 sts=3 expandtab: */