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
|
/***************************************************************************
*
* Copyright (c) 2013 DirectFB integrated media GmbH
* Copyright (c) 2013 Renesas Solutions Corp.
*
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
****************************************************************************/
#include "TextureBinders/DFBEglImage.h"
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <GLES2/gl2ext.h>
#include "PlatformSurfaces/EglDFBPlatformSurface.h"
#include <EGL/egldfbext.h>
DFBEglImage::DFBEglImage(EGLDisplay eglDisplay, IDirectFBDisplayLayer* layer)
: m_eglDisplay(eglDisplay)
, m_layer(layer)
{
m_pfGLEglImageTargetTexture2DOES = (PFNGLEGLIMAGETARGETTEXTURE2DOESPROC)eglGetProcAddress("glEGLImageTargetTexture2DOES");
m_pfEglCreateImageKHR = (PFNEGLCREATEIMAGEKHRPROC)eglGetProcAddress("eglCreateImageKHR");
m_pfEglDestroyImageKHR = (PFNEGLDESTROYIMAGEKHRPROC)eglGetProcAddress("eglDestroyImageKHR");
if (!m_pfEglCreateImageKHR || !m_pfEglDestroyImageKHR || !m_pfGLEglImageTargetTexture2DOES)
LOG_ERROR( "DFBEglImage", __FUNCTION__ << ": query EGL extensions failed" );
}
bool DFBEglImage::bindSurfaceTexture(Surface* surface)
{
EglDFBPlatformSurface* nativeSurface = (EglDFBPlatformSurface*)surface->platform;
if (nativeSurface && nativeSurface->isReadyForRendering()) {
glBindTexture(GL_TEXTURE_2D, nativeSurface->texture);
return true;
}
return false;
}
bool DFBEglImage::unbindSurfaceTexture(Surface* surface)
{
(void)surface; // TODO: remove, only prevents warning
// TODO
return true;
}
void DFBEglImage::createClientBuffer(Surface* surface)
{
EglDFBPlatformSurface* nativeSurface = (EglDFBPlatformSurface*)surface->platform;
if (NULL!=nativeSurface) {
EGLImageKHR eglImage = 0;
if (nativeSurface->eglImage) {
m_pfEglDestroyImageKHR(m_eglDisplay, nativeSurface->eglImage);
glDeleteTextures(1,&nativeSurface->texture);
nativeSurface->eglImage = 0;
nativeSurface->texture = 0;
}
eglImage = m_pfEglCreateImageKHR(m_eglDisplay,
EGL_NO_CONTEXT,
EGL_IMAGE_IDIRECTFBSURFACE_DIRECTFB,
(EGLClientBuffer)nativeSurface->dfb_surface,
NULL);
if (!eglImage) {
LOG_WARNING( "DFBEglImage", __FUNCTION__ << ": could not allocate EGL Image for surface " << surface << " with id " << surface->getNativeContent());
}
else {
nativeSurface->eglImage = eglImage;
glGenTextures(1,&nativeSurface->texture);
glBindTexture(GL_TEXTURE_2D, nativeSurface->texture);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
m_pfGLEglImageTargetTexture2DOES(GL_TEXTURE_2D, nativeSurface->eglImage);
}
}
}
PlatformSurface* DFBEglImage::createPlatformSurface(Surface* surface)
{
return new EglDFBPlatformSurface(surface, m_layer);
}
void DFBEglImage::destroyClientBuffer(Surface* surface)
{
EglDFBPlatformSurface* nativeSurface = (EglDFBPlatformSurface*)surface->platform;
if (nativeSurface && nativeSurface->eglImage) {
m_pfEglDestroyImageKHR(m_eglDisplay, nativeSurface->eglImage);
glDeleteTextures(1,&nativeSurface->texture);
nativeSurface->eglImage = 0;
nativeSurface->texture = 0;
}
}
|
