1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
|
/**************************************************************************
*
* Copyright 2009, VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/*
* Author: Keith Whitwell <keithw@vmware.com>
* Author: Jakob Bornecrantz <wallbraker@gmail.com>
*/
#include "dri_screen.h"
#include "dri_context.h"
#include "dri_drawable.h"
#include "pipe/p_screen.h"
#include "util/u_format.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
static boolean
dri_st_framebuffer_validate(struct st_framebuffer_iface *stfbi,
const enum st_attachment_type *statts,
unsigned count,
struct pipe_resource **out)
{
struct dri_drawable *drawable =
(struct dri_drawable *) stfbi->st_manager_private;
struct dri_screen *screen = dri_screen(drawable->sPriv);
unsigned statt_mask, new_mask;
boolean new_stamp;
int i;
statt_mask = 0x0;
for (i = 0; i < count; i++)
statt_mask |= (1 << statts[i]);
/* record newly allocated textures */
new_mask = (statt_mask & ~drawable->texture_mask);
/*
* dPriv->pStamp is the server stamp. It should be accessed with a lock, at
* least for DRI1. dPriv->lastStamp is the client stamp. It has the value
* of the server stamp when last checked.
*/
new_stamp = (drawable->texture_stamp != drawable->dPriv->lastStamp);
if (new_stamp || new_mask || screen->broken_invalidate) {
if (new_stamp && drawable->update_drawable_info)
drawable->update_drawable_info(drawable);
drawable->allocate_textures(drawable, statts, count);
/* add existing textures */
for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
if (drawable->textures[i])
statt_mask |= (1 << i);
}
drawable->texture_stamp = drawable->dPriv->lastStamp;
drawable->texture_mask = statt_mask;
}
if (!out)
return TRUE;
for (i = 0; i < count; i++) {
out[i] = NULL;
pipe_resource_reference(&out[i], drawable->textures[statts[i]]);
}
return TRUE;
}
static boolean
dri_st_framebuffer_flush_front(struct st_framebuffer_iface *stfbi,
enum st_attachment_type statt)
{
struct dri_drawable *drawable =
(struct dri_drawable *) stfbi->st_manager_private;
/* XXX remove this and just set the correct one on the framebuffer */
drawable->flush_frontbuffer(drawable, statt);
return TRUE;
}
/**
* This is called when we need to set up GL rendering to a new X window.
*/
boolean
dri_create_buffer(__DRIscreen * sPriv,
__DRIdrawable * dPriv,
const struct gl_config * visual, boolean isPixmap)
{
struct dri_screen *screen = sPriv->private;
struct dri_drawable *drawable = NULL;
if (isPixmap)
goto fail; /* not implemented */
drawable = CALLOC_STRUCT(dri_drawable);
if (drawable == NULL)
goto fail;
dri_fill_st_visual(&drawable->stvis, screen, visual);
/* setup the st_framebuffer_iface */
drawable->base.visual = &drawable->stvis;
drawable->base.flush_front = dri_st_framebuffer_flush_front;
drawable->base.validate = dri_st_framebuffer_validate;
drawable->base.st_manager_private = (void *) drawable;
drawable->screen = screen;
drawable->sPriv = sPriv;
drawable->dPriv = dPriv;
dPriv->driverPrivate = (void *)drawable;
return GL_TRUE;
fail:
FREE(drawable);
return GL_FALSE;
}
void
dri_destroy_buffer(__DRIdrawable * dPriv)
{
struct dri_drawable *drawable = dri_drawable(dPriv);
int i;
pipe_surface_reference(&drawable->drisw_surface, NULL);
for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
pipe_resource_reference(&drawable->textures[i], NULL);
FREE(drawable);
}
/**
* Validate the texture at an attachment. Allocate the texture if it does not
* exist. Used by the TFP extension.
*/
static void
dri_drawable_validate_att(struct dri_drawable *drawable,
enum st_attachment_type statt)
{
enum st_attachment_type statts[ST_ATTACHMENT_COUNT];
unsigned i, count = 0;
/* check if buffer already exists */
if (drawable->texture_mask & (1 << statt))
return;
/* make sure DRI2 does not destroy existing buffers */
for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
if (drawable->texture_mask & (1 << i)) {
statts[count++] = i;
}
}
statts[count++] = statt;
drawable->texture_stamp = drawable->dPriv->lastStamp - 1;
drawable->base.validate(&drawable->base, statts, count, NULL);
}
/**
* These are used for GLX_EXT_texture_from_pixmap
*/
static void
dri_set_tex_buffer2(__DRIcontext *pDRICtx, GLint target,
GLint format, __DRIdrawable *dPriv)
{
struct dri_context *ctx = dri_context(pDRICtx);
struct dri_drawable *drawable = dri_drawable(dPriv);
struct pipe_resource *pt;
dri_drawable_validate_att(drawable, ST_ATTACHMENT_FRONT_LEFT);
pt = drawable->textures[ST_ATTACHMENT_FRONT_LEFT];
if (pt) {
enum pipe_format internal_format = pt->format;
if (format == __DRI_TEXTURE_FORMAT_RGB) {
/* only need to cover the formats recognized by dri_fill_st_visual */
switch (internal_format) {
case PIPE_FORMAT_B8G8R8A8_UNORM:
internal_format = PIPE_FORMAT_B8G8R8X8_UNORM;
break;
case PIPE_FORMAT_A8R8G8B8_UNORM:
internal_format = PIPE_FORMAT_X8R8G8B8_UNORM;
break;
default:
break;
}
}
ctx->st->teximage(ctx->st,
(target == GL_TEXTURE_2D) ? ST_TEXTURE_2D : ST_TEXTURE_RECT,
0, internal_format, pt, FALSE);
}
}
static void
dri_set_tex_buffer(__DRIcontext *pDRICtx, GLint target,
__DRIdrawable *dPriv)
{
dri_set_tex_buffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv);
}
const __DRItexBufferExtension driTexBufferExtension = {
{ __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION },
dri_set_tex_buffer,
dri_set_tex_buffer2,
NULL,
};
/**
* Get the format and binding of an attachment.
*/
void
dri_drawable_get_format(struct dri_drawable *drawable,
enum st_attachment_type statt,
enum pipe_format *format,
unsigned *bind)
{
switch (statt) {
case ST_ATTACHMENT_FRONT_LEFT:
case ST_ATTACHMENT_BACK_LEFT:
case ST_ATTACHMENT_FRONT_RIGHT:
case ST_ATTACHMENT_BACK_RIGHT:
*format = drawable->stvis.color_format;
*bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
break;
case ST_ATTACHMENT_DEPTH_STENCIL:
*format = drawable->stvis.depth_stencil_format;
*bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */
break;
default:
*format = PIPE_FORMAT_NONE;
*bind = 0;
break;
}
}
/* vim: set sw=3 ts=8 sts=3 expandtab: */
|
