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"
36 #include "dri_context.h"
38 #include "util/u_inlines.h"
39 #include "pipe/p_screen.h"
40 #include "pipe/p_format.h"
41 #include "state_tracker/st_gl_api.h" /* for st_gl_api_create */
43 #include "util/u_debug.h"
45 PUBLIC
const char __driConfigOptions
[] =
46 DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE
47 DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS
)
48 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0
)
49 DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY
50 /* DRI_CONF_FORCE_S3TC_ENABLE(false) */
51 DRI_CONF_ALLOW_LARGE_TEXTURES(1)
52 DRI_CONF_SECTION_END DRI_CONF_END
;
54 static const uint __driNConfigOptions
= 3;
56 static const __DRIconfig
**
57 dri_fill_in_modes(struct dri_screen
*screen
,
60 __DRIconfig
**configs
= NULL
;
61 __DRIconfig
**configs_r5g6b5
= NULL
;
62 __DRIconfig
**configs_a8r8g8b8
= NULL
;
63 __DRIconfig
**configs_x8r8g8b8
= NULL
;
64 uint8_t depth_bits_array
[5];
65 uint8_t stencil_bits_array
[5];
66 uint8_t msaa_samples_array
[5];
67 unsigned depth_buffer_factor
;
68 unsigned back_buffer_factor
;
69 unsigned msaa_samples_factor
;
71 struct pipe_screen
*p_screen
= screen
->base
.screen
;
72 boolean pf_r5g6b5
, pf_a8r8g8b8
, pf_x8r8g8b8
;
73 boolean pf_z16
, pf_x8z24
, pf_z24x8
, pf_s8z24
, pf_z24s8
, pf_z32
;
75 static const GLenum back_buffer_modes
[] = {
76 GLX_NONE
, GLX_SWAP_UNDEFINED_OML
, GLX_SWAP_COPY_OML
79 depth_bits_array
[0] = 0;
80 stencil_bits_array
[0] = 0;
81 depth_buffer_factor
= 1;
83 pf_x8z24
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z24X8_UNORM
,
85 PIPE_BIND_DEPTH_STENCIL
, 0);
86 pf_z24x8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_X8Z24_UNORM
,
88 PIPE_BIND_DEPTH_STENCIL
, 0);
89 pf_s8z24
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z24_UNORM_S8_USCALED
,
91 PIPE_BIND_DEPTH_STENCIL
, 0);
92 pf_z24s8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_S8_USCALED_Z24_UNORM
,
94 PIPE_BIND_DEPTH_STENCIL
, 0);
95 pf_a8r8g8b8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B8G8R8A8_UNORM
,
97 PIPE_BIND_RENDER_TARGET
, 0);
98 pf_x8r8g8b8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B8G8R8X8_UNORM
,
100 PIPE_BIND_RENDER_TARGET
, 0);
101 pf_r5g6b5
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B5G6R5_UNORM
,
103 PIPE_BIND_RENDER_TARGET
, 0);
105 /* We can only get a 16 or 32 bit depth buffer with getBuffersWithFormat */
106 if (dri_with_format(screen
->sPriv
)) {
107 pf_z16
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z16_UNORM
,
109 PIPE_BIND_DEPTH_STENCIL
, 0);
110 pf_z32
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z32_UNORM
,
112 PIPE_BIND_DEPTH_STENCIL
, 0);
119 depth_bits_array
[depth_buffer_factor
] = 16;
120 stencil_bits_array
[depth_buffer_factor
++] = 0;
122 if (pf_x8z24
|| pf_z24x8
) {
123 depth_bits_array
[depth_buffer_factor
] = 24;
124 stencil_bits_array
[depth_buffer_factor
++] = 0;
125 screen
->d_depth_bits_last
= pf_x8z24
;
127 if (pf_s8z24
|| pf_z24s8
) {
128 depth_bits_array
[depth_buffer_factor
] = 24;
129 stencil_bits_array
[depth_buffer_factor
++] = 8;
130 screen
->sd_depth_bits_last
= pf_s8z24
;
133 depth_bits_array
[depth_buffer_factor
] = 32;
134 stencil_bits_array
[depth_buffer_factor
++] = 0;
137 msaa_samples_array
[0] = 0;
138 back_buffer_factor
= 3;
140 /* also test color for msaa 2/4/6/8 - just assume it'll work for all depth buffers */
142 msaa_samples_factor
= 1;
143 for (i
= 1; i
< 5; i
++) {
144 if (p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B5G6R5_UNORM
,
145 PIPE_TEXTURE_2D
, i
*2,
146 PIPE_BIND_RENDER_TARGET
, 0)) {
147 msaa_samples_array
[msaa_samples_factor
] = i
* 2;
148 msaa_samples_factor
++;
152 configs_r5g6b5
= driCreateConfigs(GL_RGB
, GL_UNSIGNED_SHORT_5_6_5
,
153 depth_bits_array
, stencil_bits_array
,
154 depth_buffer_factor
, back_buffer_modes
,
156 msaa_samples_array
, msaa_samples_factor
,
161 msaa_samples_factor
= 1;
162 for (i
= 1; i
< 5; i
++) {
163 if (p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B8G8R8A8_UNORM
,
164 PIPE_TEXTURE_2D
, i
*2,
165 PIPE_BIND_RENDER_TARGET
, 0)) {
166 msaa_samples_array
[msaa_samples_factor
] = i
* 2;
167 msaa_samples_factor
++;
171 configs_a8r8g8b8
= driCreateConfigs(GL_BGRA
, GL_UNSIGNED_INT_8_8_8_8_REV
,
183 msaa_samples_factor
= 1;
184 for (i
= 1; i
< 5; i
++) {
185 if (p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B8G8R8X8_UNORM
,
186 PIPE_TEXTURE_2D
, i
*2,
187 PIPE_BIND_RENDER_TARGET
, 0)) {
188 msaa_samples_array
[msaa_samples_factor
] = i
* 2;
189 msaa_samples_factor
++;
193 configs_x8r8g8b8
= driCreateConfigs(GL_BGR
, GL_UNSIGNED_INT_8_8_8_8_REV
,
204 if (pixel_bits
== 16) {
205 configs
= configs_r5g6b5
;
206 if (configs_a8r8g8b8
)
207 configs
= configs
? driConcatConfigs(configs
, configs_a8r8g8b8
) : configs_a8r8g8b8
;
208 if (configs_x8r8g8b8
)
209 configs
= configs
? driConcatConfigs(configs
, configs_x8r8g8b8
) : configs_x8r8g8b8
;
211 configs
= configs_a8r8g8b8
;
212 if (configs_x8r8g8b8
)
213 configs
= configs
? driConcatConfigs(configs
, configs_x8r8g8b8
) : configs_x8r8g8b8
;
215 configs
= configs
? driConcatConfigs(configs
, configs_r5g6b5
) : configs_r5g6b5
;
218 if (configs
== NULL
) {
219 debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__
);
223 return (const __DRIconfig
**)configs
;
227 * Roughly the converse of dri_fill_in_modes.
230 dri_fill_st_visual(struct st_visual
*stvis
, struct dri_screen
*screen
,
231 const __GLcontextModes
*mode
)
233 memset(stvis
, 0, sizeof(*stvis
));
235 stvis
->samples
= mode
->samples
;
236 stvis
->render_buffer
= ST_ATTACHMENT_INVALID
;
238 if (mode
->redBits
== 8) {
239 if (mode
->alphaBits
== 8)
240 stvis
->color_format
= PIPE_FORMAT_B8G8R8A8_UNORM
;
242 stvis
->color_format
= PIPE_FORMAT_B8G8R8X8_UNORM
;
244 stvis
->color_format
= PIPE_FORMAT_B5G6R5_UNORM
;
247 switch (mode
->depthBits
) {
250 stvis
->depth_stencil_format
= PIPE_FORMAT_NONE
;
253 stvis
->depth_stencil_format
= PIPE_FORMAT_Z16_UNORM
;
256 if (mode
->stencilBits
== 0) {
257 stvis
->depth_stencil_format
= (screen
->d_depth_bits_last
) ?
258 PIPE_FORMAT_Z24X8_UNORM
:
259 PIPE_FORMAT_X8Z24_UNORM
;
261 stvis
->depth_stencil_format
= (screen
->sd_depth_bits_last
) ?
262 PIPE_FORMAT_Z24_UNORM_S8_USCALED
:
263 PIPE_FORMAT_S8_USCALED_Z24_UNORM
;
267 stvis
->depth_stencil_format
= PIPE_FORMAT_Z32_UNORM
;
271 stvis
->accum_format
= (mode
->haveAccumBuffer
) ?
272 PIPE_FORMAT_R16G16B16A16_SNORM
: PIPE_FORMAT_NONE
;
274 stvis
->buffer_mask
|= ST_ATTACHMENT_FRONT_LEFT_MASK
;
275 if (mode
->doubleBufferMode
)
276 stvis
->buffer_mask
|= ST_ATTACHMENT_BACK_LEFT_MASK
;
277 if (mode
->stereoMode
) {
278 stvis
->buffer_mask
|= ST_ATTACHMENT_FRONT_RIGHT_MASK
;
279 if (mode
->doubleBufferMode
)
280 stvis
->buffer_mask
|= ST_ATTACHMENT_BACK_RIGHT_MASK
;
283 if (mode
->haveDepthBuffer
|| mode
->haveStencilBuffer
)
284 stvis
->buffer_mask
|= ST_ATTACHMENT_DEPTH_STENCIL_MASK
;
285 /* let the state tracker allocate the accum buffer */
289 dri_get_egl_image(struct st_manager
*smapi
,
290 struct st_context_iface
*stctxi
,
292 struct st_egl_image
*stimg
)
294 struct dri_context
*ctx
=
295 (struct dri_context
*)stctxi
->st_manager_private
;
296 __DRIimage
*img
= NULL
;
298 if (ctx
->lookup_egl_image
) {
299 img
= ctx
->lookup_egl_image(ctx
, 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
;
381 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: */