LineageOS/android_development
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

opengl renderer: create rendering subwindow

Browse Source 
The application provides the window handle to which the
OpenglRenderer should render to however only a sub-region of
this window needs to be rendered. This change adds this functionality
by creating a native child subwindow into which rendering will happen.
This commit is contained in:
Amit Feller
2011-06-27 13:23:55 +03:00
committed by Guy Zadickario
parent 31580f42b1
commit 1d3f5f58ce
10 changed files with 223 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
tools/emulator/opengl/host/libs/libOpenglRender/FrameBuffer.cpp
View File

@@ -14,6 +14,7 @@
* limitations under the License.
*/
#include "FrameBuffer.h"
#include "NativeSubWindow.h"
#include "FBConfig.h"
#include "EGLDispatch.h"
#include "GLDispatch.h"
@@ -84,6 +85,16 @@ static const char *getGLES2ExtensionString(EGLDisplay p_dpy,
}
#endif
void FrameBuffer::finalize(){
if(s_theFrameBuffer){
s_egl.eglMakeCurrent(s_theFrameBuffer->m_eglDisplay, NULL, NULL, NULL);
s_egl.eglDestroySurface(s_theFrameBuffer->m_eglDisplay,s_theFrameBuffer->m_eglSurface);
s_egl.eglDestroyContext(s_theFrameBuffer->m_eglDisplay,s_theFrameBuffer->m_eglContext);
delete s_theFrameBuffer;
s_theFrameBuffer = NULL;
}
}
bool FrameBuffer::initialize(FBNativeWindowType p_window,
int p_x, int p_y,
int p_width, int p_height)
@@ -197,16 +208,16 @@ bool FrameBuffer::initialize(FBNativeWindowType p_window,
return false;
}
#if defined(__linux__) || defined(_WIN32) || defined(__VC32__) && !defined(__CYGWIN__)
EGLNativeDisplayType dpy;
fb->m_subWin = createSubWindow(p_window,&fb->m_subWinDisplay,p_x,p_y,p_width,p_height);
fb->m_eglSurface = s_egl.eglCreateWindowSurface(fb->m_eglDisplay, eglConfig,
(EGLNativeWindowType)p_window,
fb->m_subWin,
NULL);
if (fb->m_eglSurface == EGL_NO_SURFACE) {
ERR("Failed to create surface\n");
delete fb;
return false;
}
#endif
GLint glContextAttribs[] = {
EGL_CONTEXT_CLIENT_VERSION, 1,
@@ -333,7 +344,9 @@ FrameBuffer::FrameBuffer(int p_x, int p_y, int p_width, int p_height) :
m_eglContext(EGL_NO_CONTEXT),
m_prevContext(EGL_NO_CONTEXT),
m_prevReadSurf(EGL_NO_SURFACE),
m_prevDrawSurf(EGL_NO_SURFACE)
m_prevDrawSurf(EGL_NO_SURFACE),
m_subWin(NULL),
m_subWinDisplay(NULL)
{
}