1 files changed, 110 insertions, 0 deletions
diff --git a/LayerManagerPlugins/Renderers/Graphic/src/TextureBinders/DFBEglImage.cpp b/LayerManagerPlugins/Renderers/Graphic/src/TextureBinders/DFBEglImage.cpp
new file mode 100644
index 0000000..b07b04e
--- /dev/null
+++ b/LayerManagerPlugins/Renderers/Graphic/src/TextureBinders/DFBEglImage.cpp
@@ -0,0 +1,110 @@
+/***************************************************************************
+ *
+ * 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;
+     }
+}