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"
40 #include "pipe/p_context.h"
41 #include "pipe/p_screen.h"
42 #include "pipe/p_inlines.h"
43 #include "pipe/p_format.h"
44 #include "state_tracker/drm_api.h"
45 #include "state_tracker/dri1_api.h"
46 #include "state_tracker/st_public.h"
47 #include "state_tracker/st_cb_fbo.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 __DRIextension
*dri_screen_extensions
[] = {
61 &driReadDrawableExtension
,
62 &driCopySubBufferExtension
.base
,
63 &driSwapControlExtension
.base
,
64 &driFrameTrackingExtension
.base
,
65 &driMediaStreamCounterExtension
.base
,
69 struct dri1_api
*__dri1_api_hooks
= NULL
;
71 static const __DRIconfig
**
72 dri_fill_in_modes(struct dri_screen
*screen
,
75 __DRIconfig
**configs
;
77 uint8_t depth_bits_array
[4];
78 uint8_t stencil_bits_array
[4];
79 uint8_t msaa_samples_array
[1];
80 unsigned depth_buffer_factor
;
81 unsigned back_buffer_factor
;
82 unsigned msaa_samples_factor
;
85 struct pipe_screen
*p_screen
= screen
->pipe_screen
;
87 static const GLenum back_buffer_modes
[] = {
88 GLX_NONE
, GLX_SWAP_UNDEFINED_OML
, GLX_SWAP_COPY_OML
91 depth_bits_array
[0] = 0;
92 stencil_bits_array
[0] = 0;
93 depth_buffer_factor
= 1;
95 if (p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z16_UNORM
,
97 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
, 0)) {
98 depth_bits_array
[depth_buffer_factor
] = 16;
99 stencil_bits_array
[depth_buffer_factor
++] = 0;
101 if (p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_X8Z24_UNORM
,
103 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
, 0)) {
104 depth_bits_array
[depth_buffer_factor
] = 24;
105 stencil_bits_array
[depth_buffer_factor
++] = 0;
106 screen
->d_depth_bits_last
= TRUE
;
107 } else if (p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z24X8_UNORM
,
109 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
,
111 depth_bits_array
[depth_buffer_factor
] = 24;
112 stencil_bits_array
[depth_buffer_factor
++] = 0;
113 screen
->d_depth_bits_last
= FALSE
;
115 if (p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_S8Z24_UNORM
,
117 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
, 0)) {
118 depth_bits_array
[depth_buffer_factor
] = 24;
119 stencil_bits_array
[depth_buffer_factor
++] = 8;
120 screen
->sd_depth_bits_last
= TRUE
;
121 } else if (p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z24S8_UNORM
,
123 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
,
125 depth_bits_array
[depth_buffer_factor
] = 24;
126 stencil_bits_array
[depth_buffer_factor
++] = 8;
127 screen
->sd_depth_bits_last
= FALSE
;
130 msaa_samples_array
[0] = 0;
131 back_buffer_factor
= 3;
132 msaa_samples_factor
= 1;
135 depth_buffer_factor
* back_buffer_factor
* msaa_samples_factor
* 4;
137 if (pixel_bits
== 16) {
138 if (!p_screen
->is_format_supported(p_screen
,
139 PIPE_FORMAT_R5G6B5_UNORM
,
141 PIPE_TEXTURE_USAGE_RENDER_TARGET
, 0))
144 fb_type
= GL_UNSIGNED_SHORT_5_6_5
;
146 if (!p_screen
->is_format_supported(p_screen
,
147 PIPE_FORMAT_A8R8G8B8_UNORM
,
149 PIPE_TEXTURE_USAGE_RENDER_TARGET
, 0))
152 fb_type
= GL_UNSIGNED_INT_8_8_8_8_REV
;
155 configs
= driCreateConfigs(fb_format
, fb_type
,
157 stencil_bits_array
, depth_buffer_factor
,
158 back_buffer_modes
, back_buffer_factor
,
159 msaa_samples_array
, msaa_samples_factor
);
160 if (configs
== NULL
) {
161 debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__
);
165 return (const const __DRIconfig
**)configs
;
169 * Get information about previous buffer swaps.
172 dri_get_swap_info(__DRIdrawablePrivate
* dPriv
, __DRIswapInfo
* sInfo
)
174 if (dPriv
== NULL
|| dPriv
->driverPrivate
== NULL
|| sInfo
== NULL
)
181 dri_copy_version(struct dri1_api_version
*dst
,
182 const struct __DRIversionRec
*src
)
184 dst
->major
= src
->major
;
185 dst
->minor
= src
->minor
;
186 dst
->patch_level
= src
->patch
;
189 static const __DRIconfig
**
190 dri_init_screen(__DRIscreenPrivate
* sPriv
)
192 struct dri_screen
*screen
;
193 const __DRIconfig
**configs
;
194 struct dri1_create_screen_arg arg
;
196 dri_init_extensions(NULL
);
198 screen
= CALLOC_STRUCT(dri_screen
);
202 screen
->api
= drm_api_create();
203 screen
->sPriv
= sPriv
;
204 screen
->fd
= sPriv
->fd
;
205 screen
->drmLock
= (drmLock
*) & sPriv
->pSAREA
->lock
;
207 sPriv
->private = (void *)screen
;
208 sPriv
->extensions
= dri_screen_extensions
;
210 arg
.base
.mode
= DRM_CREATE_DRI1
;
212 arg
.ddx_info
= sPriv
->pDevPriv
;
213 arg
.ddx_info_size
= sPriv
->devPrivSize
;
214 arg
.sarea
= sPriv
->pSAREA
;
215 dri_copy_version(&arg
.ddx_version
, &sPriv
->ddx_version
);
216 dri_copy_version(&arg
.dri_version
, &sPriv
->dri_version
);
217 dri_copy_version(&arg
.drm_version
, &sPriv
->drm_version
);
220 screen
->pipe_screen
= screen
->api
->create_screen(screen
->api
, screen
->fd
, &arg
.base
);
222 if (!screen
->pipe_screen
|| !arg
.api
) {
223 debug_printf("%s: failed to create dri1 screen\n", __FUNCTION__
);
227 __dri1_api_hooks
= arg
.api
;
229 screen
->pipe_screen
->flush_frontbuffer
= dri1_flush_frontbuffer
;
230 driParseOptionInfo(&screen
->optionCache
,
231 __driConfigOptions
, __driNConfigOptions
);
234 * FIXME: If the driver supports format conversion swapbuffer blits, we might
235 * want to support other color bit depths than the server is currently
239 configs
= dri_fill_in_modes(screen
, sPriv
->fbBPP
);
245 screen
->pipe_screen
->destroy(screen
->pipe_screen
);
252 * This is the driver specific part of the createNewScreen entry point.
254 * Returns the __GLcontextModes supported by this driver.
256 static const __DRIconfig
**
257 dri_init_screen2(__DRIscreenPrivate
* sPriv
)
259 struct dri_screen
*screen
;
260 struct drm_create_screen_arg arg
;
262 /* Set up dispatch table to cope with all known extensions */
263 dri_init_extensions(NULL
);
265 screen
= CALLOC_STRUCT(dri_screen
);
269 screen
->api
= drm_api_create();
270 screen
->sPriv
= sPriv
;
271 screen
->fd
= sPriv
->fd
;
272 sPriv
->private = (void *)screen
;
273 sPriv
->extensions
= dri_screen_extensions
;
274 arg
.mode
= DRM_CREATE_NORMAL
;
276 screen
->pipe_screen
= screen
->api
->create_screen(screen
->api
, screen
->fd
, &arg
);
277 if (!screen
->pipe_screen
) {
278 debug_printf("%s: failed to create pipe_screen\n", __FUNCTION__
);
282 /* We need to hook in here */
283 screen
->pipe_screen
->flush_frontbuffer
= dri_flush_frontbuffer
;
285 driParseOptionInfo(&screen
->optionCache
,
286 __driConfigOptions
, __driNConfigOptions
);
288 return dri_fill_in_modes(screen
, 32);
294 dri_destroy_screen(__DRIscreenPrivate
* sPriv
)
296 struct dri_screen
*screen
= dri_screen(sPriv
);
298 screen
->pipe_screen
->destroy(screen
->pipe_screen
);
300 sPriv
->private = NULL
;
303 PUBLIC
const struct __DriverAPIRec driDriverAPI
= {
304 .InitScreen
= dri_init_screen
,
305 .DestroyScreen
= dri_destroy_screen
,
306 .CreateContext
= dri_create_context
,
307 .DestroyContext
= dri_destroy_context
,
308 .CreateBuffer
= dri_create_buffer
,
309 .DestroyBuffer
= dri_destroy_buffer
,
310 .SwapBuffers
= dri_swap_buffers
,
311 .MakeCurrent
= dri_make_current
,
312 .UnbindContext
= dri_unbind_context
,
313 .GetSwapInfo
= dri_get_swap_info
,
314 .GetDrawableMSC
= driDrawableGetMSC32
,
315 .WaitForMSC
= driWaitForMSC32
,
316 .CopySubBuffer
= dri_copy_sub_buffer
,
317 .InitScreen
= dri_init_screen
,
318 .InitScreen2
= dri_init_screen2
,
321 /* vim: set sw=3 ts=8 sts=3 expandtab: */