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
|
/*
* Copyright 2003 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, sublicense, 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 NONINFRINGEMENT.
* 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.
*/
#include "main/glheader.h"
#include "main/image.h"
#include "main/state.h"
#include "main/mtypes.h"
#include "main/condrender.h"
#include "main/fbobject.h"
#include "drivers/common/meta.h"
#include "brw_context.h"
#include "intel_buffers.h"
#include "intel_mipmap_tree.h"
#include "intel_pixel.h"
#include "intel_fbo.h"
#include "intel_blit.h"
#include "intel_batchbuffer.h"
#define FILE_DEBUG_FLAG DEBUG_PIXEL
/**
* CopyPixels with the blitter. Don't support zooming, pixel transfer, etc.
*/
static bool
do_blit_copypixels(struct gl_context * ctx,
GLint srcx, GLint srcy,
GLsizei width, GLsizei height,
GLint dstx, GLint dsty, GLenum type)
{
struct brw_context *brw = brw_context(ctx);
struct gl_framebuffer *fb = ctx->DrawBuffer;
struct gl_framebuffer *read_fb = ctx->ReadBuffer;
GLint orig_dstx;
GLint orig_dsty;
GLint orig_srcx;
GLint orig_srcy;
struct intel_renderbuffer *draw_irb = NULL;
struct intel_renderbuffer *read_irb = NULL;
/* Update draw buffer bounds */
_mesa_update_state(ctx);
intel_prepare_render(brw);
switch (type) {
case GL_COLOR:
if (fb->_NumColorDrawBuffers != 1) {
perf_debug("glCopyPixels() fallback: MRT\n");
return false;
}
draw_irb = intel_renderbuffer(fb->_ColorDrawBuffers[0]);
read_irb = intel_renderbuffer(read_fb->_ColorReadBuffer);
break;
case GL_DEPTH_STENCIL_EXT:
draw_irb = intel_renderbuffer(fb->Attachment[BUFFER_DEPTH].Renderbuffer);
read_irb =
intel_renderbuffer(read_fb->Attachment[BUFFER_DEPTH].Renderbuffer);
break;
case GL_DEPTH:
perf_debug("glCopyPixels() fallback: GL_DEPTH\n");
return false;
case GL_STENCIL:
perf_debug("glCopyPixels() fallback: GL_STENCIL\n");
return false;
default:
perf_debug("glCopyPixels(): Unknown type\n");
return false;
}
if (!draw_irb) {
perf_debug("glCopyPixels() fallback: missing draw buffer\n");
return false;
}
if (!read_irb) {
perf_debug("glCopyPixels() fallback: missing read buffer\n");
return false;
}
if (draw_irb->mt->num_samples > 1 || read_irb->mt->num_samples > 1) {
perf_debug("glCopyPixels() fallback: multisampled buffers\n");
return false;
}
if (ctx->_ImageTransferState) {
perf_debug("glCopyPixels(): Unsupported image transfer state\n");
return false;
}
if (ctx->Depth.Test) {
perf_debug("glCopyPixels(): Unsupported depth test state\n");
return false;
}
if (ctx->Stencil._Enabled) {
perf_debug("glCopyPixels(): Unsupported stencil test state\n");
return false;
}
if (ctx->Fog.Enabled ||
ctx->Texture._MaxEnabledTexImageUnit != -1 ||
ctx->FragmentProgram._Enabled) {
perf_debug("glCopyPixels(): Unsupported fragment shader state\n");
return false;
}
if (ctx->Color.AlphaEnabled ||
ctx->Color.BlendEnabled) {
perf_debug("glCopyPixels(): Unsupported blend state\n");
return false;
}
if (!ctx->Color.ColorMask[0][0] ||
!ctx->Color.ColorMask[0][1] ||
!ctx->Color.ColorMask[0][2] ||
!ctx->Color.ColorMask[0][3]) {
perf_debug("glCopyPixels(): Unsupported color mask state\n");
return false;
}
if (ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F) {
perf_debug("glCopyPixles(): Unsupported pixel zoom\n");
return false;
}
intel_batchbuffer_flush(brw);
/* Clip to destination buffer. */
orig_dstx = dstx;
orig_dsty = dsty;
if (!_mesa_clip_to_region(fb->_Xmin, fb->_Ymin,
fb->_Xmax, fb->_Ymax,
&dstx, &dsty, &width, &height))
goto out;
/* Adjust src coords for our post-clipped destination origin */
srcx += dstx - orig_dstx;
srcy += dsty - orig_dsty;
/* Clip to source buffer. */
orig_srcx = srcx;
orig_srcy = srcy;
if (!_mesa_clip_to_region(0, 0,
read_fb->Width, read_fb->Height,
&srcx, &srcy, &width, &height))
goto out;
/* Adjust dst coords for our post-clipped source origin */
dstx += srcx - orig_srcx;
dsty += srcy - orig_srcy;
if (!intel_miptree_blit(brw,
read_irb->mt, read_irb->mt_level, read_irb->mt_layer,
srcx, srcy, _mesa_is_winsys_fbo(read_fb),
draw_irb->mt, draw_irb->mt_level, draw_irb->mt_layer,
dstx, dsty, _mesa_is_winsys_fbo(fb),
width, height,
(ctx->Color.ColorLogicOpEnabled ?
ctx->Color.LogicOp : GL_COPY))) {
DBG("%s: blit failure\n", __func__);
return false;
}
if (ctx->Query.CurrentOcclusionObject)
ctx->Query.CurrentOcclusionObject->Result += width * height;
out:
DBG("%s: success\n", __func__);
return true;
}
void
intelCopyPixels(struct gl_context * ctx,
GLint srcx, GLint srcy,
GLsizei width, GLsizei height,
GLint destx, GLint desty, GLenum type)
{
DBG("%s\n", __func__);
if (!_mesa_check_conditional_render(ctx))
return;
if (do_blit_copypixels(ctx, srcx, srcy, width, height, destx, desty, type))
return;
/* this will use swrast if needed */
_mesa_meta_CopyPixels(ctx, srcx, srcy, width, height, destx, desty, type);
}
|
