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
|
/*
* Copyright 2012-2013, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Artur Wyszynski, harakash@gmail.com
* Alexander von Gluck IV, kallisti5@unixzen.com
*/
#include "GalliumFramebuffer.h"
extern "C" {
#include "main/context.h"
#include "main/framebuffer.h"
#include "main/renderbuffer.h"
#include "pipe/p_format.h"
#include "state_tracker/st_manager.h"
#include "util/u_memory.h"
}
#include "GalliumContext.h"
#ifdef DEBUG
# define TRACE(x...) printf("GalliumFramebuffer: " x)
# define CALLED() TRACE("CALLED: %s\n", __PRETTY_FUNCTION__)
#else
# define TRACE(x...)
# define CALLED()
#endif
#define ERROR(x...) printf("GalliumFramebuffer: " x)
static boolean
hgl_framebuffer_flush_front(struct st_context_iface *stctx,
struct st_framebuffer_iface* stfb, enum st_attachment_type statt)
{
CALLED();
hgl_context* context = (hgl_context*)stfb->st_manager_private;
if (!context) {
ERROR("%s: Couldn't obtain valid hgl_context!\n", __func__);
return FALSE;
}
#if 0
struct stw_st_framebuffer *stwfb = stw_st_framebuffer(stfb);
pipe_mutex_lock(stwfb->fb->mutex);
struct pipe_resource* resource = textures[statt];
if (resource)
stw_framebuffer_present_locked(...);
#endif
return TRUE;
}
static boolean
hgl_framebuffer_validate(struct st_context_iface* stctx,
struct st_framebuffer_iface* stfb,
const enum st_attachment_type* statts, unsigned count,
struct pipe_resource** out)
{
CALLED();
if (!stfb) {
ERROR("%s: Invalid st framebuffer interface!\n", __func__);
return FALSE;
}
hgl_context* context = (hgl_context*)stfb->st_manager_private;
if (!context) {
ERROR("%s: Couldn't obtain valid hgl_context!\n", __func__);
return FALSE;
}
int32 width = 0;
int32 height = 0;
get_bitmap_size(context->bitmap, &width, &height);
struct pipe_resource templat;
memset(&templat, 0, sizeof(templat));
templat.target = PIPE_TEXTURE_RECT;
templat.width0 = width;
templat.height0 = height;
templat.depth0 = 1;
templat.array_size = 1;
templat.usage = PIPE_USAGE_DEFAULT;
if (context->stVisual && context->manager && context->manager->screen) {
TRACE("%s: Updating resources\n", __func__);
unsigned i;
for (i = 0; i < count; i++) {
enum pipe_format format = PIPE_FORMAT_NONE;
unsigned bind = 0;
switch(statts[i]) {
case ST_ATTACHMENT_FRONT_LEFT:
case ST_ATTACHMENT_BACK_LEFT:
format = context->stVisual->color_format;
bind = PIPE_BIND_DISPLAY_TARGET
| PIPE_BIND_RENDER_TARGET;
break;
case ST_ATTACHMENT_DEPTH_STENCIL:
format = context->stVisual->depth_stencil_format;
bind = PIPE_BIND_DEPTH_STENCIL;
break;
case ST_ATTACHMENT_ACCUM:
format = context->stVisual->accum_format;
bind = PIPE_BIND_RENDER_TARGET;
break;
default:
format = PIPE_FORMAT_NONE;
break;
}
if (format != PIPE_FORMAT_NONE) {
templat.format = format;
templat.bind = bind;
struct pipe_screen* screen = context->manager->screen;
context->textures[i] = screen->resource_create(screen, &templat);
out[i] = context->textures[i];
}
}
}
return TRUE;
}
GalliumFramebuffer::GalliumFramebuffer(struct st_visual* visual,
void* privateContext)
:
fBuffer(NULL)
{
CALLED();
fBuffer = CALLOC_STRUCT(st_framebuffer_iface);
if (!fBuffer) {
ERROR("%s: Couldn't calloc framebuffer!\n", __func__);
return;
}
fBuffer->visual = visual;
fBuffer->flush_front = hgl_framebuffer_flush_front;
fBuffer->validate = hgl_framebuffer_validate;
fBuffer->st_manager_private = privateContext;
pipe_mutex_init(fMutex);
}
GalliumFramebuffer::~GalliumFramebuffer()
{
CALLED();
// We lock and unlock to try and make sure we wait for anything
// using the framebuffer to finish
Lock();
if (!fBuffer) {
ERROR("%s: Strange, no Gallium Framebuffer to free?\n", __func__);
return;
}
FREE(fBuffer);
Unlock();
pipe_mutex_destroy(fMutex);
}
status_t
GalliumFramebuffer::Lock()
{
CALLED();
pipe_mutex_lock(fMutex);
return B_OK;
}
status_t
GalliumFramebuffer::Unlock()
{
CALLED();
pipe_mutex_unlock(fMutex);
return B_OK;
}
|
