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 "dri_st_api.h"
42 #include "dri1_helper.h"
43 #ifndef __NOT_HAVE_DRM_H
50 #include "util/u_inlines.h"
51 #include "pipe/p_screen.h"
52 #include "pipe/p_format.h"
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
->pipe_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_TEXTURE_USAGE_DEPTH_STENCIL
, 0);
97 pf_z24x8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_X8Z24_UNORM
,
99 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
, 0);
100 pf_s8z24
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z24S8_UNORM
,
102 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
, 0);
103 pf_z24s8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_S8Z24_UNORM
,
105 PIPE_TEXTURE_USAGE_DEPTH_STENCIL
, 0);
106 pf_a8r8g8b8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B8G8R8A8_UNORM
,
108 PIPE_TEXTURE_USAGE_RENDER_TARGET
, 0);
109 pf_x8r8g8b8
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B8G8R8X8_UNORM
,
111 PIPE_TEXTURE_USAGE_RENDER_TARGET
, 0);
112 pf_r5g6b5
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_B5G6R5_UNORM
,
114 PIPE_TEXTURE_USAGE_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_TEXTURE_USAGE_DEPTH_STENCIL
, 0);
121 pf_z32
= p_screen
->is_format_supported(p_screen
, PIPE_FORMAT_Z32_UNORM
,
123 PIPE_TEXTURE_USAGE_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_Z24S8_UNORM
:
245 PIPE_FORMAT_S8Z24_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_destroy_option_cache(struct dri_screen
* screen
)
291 for (i
= 0; i
< (1 << screen
->optionCache
.tableSize
); ++i
) {
292 FREE(screen
->optionCache
.info
[i
].name
);
293 FREE(screen
->optionCache
.info
[i
].ranges
);
296 FREE(screen
->optionCache
.info
);
297 FREE(screen
->optionCache
.values
);
301 dri_destroy_screen_helper(struct dri_screen
* screen
)
303 dri1_destroy_pipe_context(screen
);
306 dri_destroy_st_manager(screen
->smapi
);
308 if (screen
->pipe_screen
)
309 screen
->pipe_screen
->destroy(screen
->pipe_screen
);
311 dri_destroy_option_cache(screen
);
315 dri_destroy_screen(__DRIscreen
* sPriv
)
317 struct dri_screen
*screen
= dri_screen(sPriv
);
319 dri_destroy_screen_helper(screen
);
322 sPriv
->private = NULL
;
323 sPriv
->extensions
= NULL
;
327 dri_init_screen_helper(struct dri_screen
*screen
,
328 struct drm_create_screen_arg
*arg
,
331 screen
->pipe_screen
= screen
->api
->create_screen(screen
->api
, screen
->fd
, arg
);
332 if (!screen
->pipe_screen
) {
333 debug_printf("%s: failed to create pipe_screen\n", __FUNCTION__
);
337 screen
->smapi
= dri_create_st_manager(screen
);
341 driParseOptionInfo(&screen
->optionCache
,
342 __driConfigOptions
, __driNConfigOptions
);
344 return dri_fill_in_modes(screen
, pixel_bits
);
348 * DRI driver virtual function table.
350 * DRI versions differ in their implementation of init_screen and swap_buffers.
352 const struct __DriverAPIRec driDriverAPI
= {
353 .DestroyScreen
= dri_destroy_screen
,
354 .CreateContext
= dri_create_context
,
355 .DestroyContext
= dri_destroy_context
,
356 .CreateBuffer
= dri_create_buffer
,
357 .DestroyBuffer
= dri_destroy_buffer
,
358 .MakeCurrent
= dri_make_current
,
359 .UnbindContext
= dri_unbind_context
,
361 #ifndef __NOT_HAVE_DRM_H
363 .GetSwapInfo
= dri_get_swap_info
,
364 .GetDrawableMSC
= driDrawableGetMSC32
,
365 .WaitForMSC
= driWaitForMSC32
,
366 .InitScreen2
= dri2_init_screen
,
368 .InitScreen
= dri1_init_screen
,
369 .SwapBuffers
= dri1_swap_buffers
,
370 .CopySubBuffer
= dri1_copy_sub_buffer
,
374 .InitScreen
= drisw_init_screen
,
375 .SwapBuffers
= drisw_swap_buffers
,
381 /* vim: set sw=3 ts=8 sts=3 expandtab: */