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am bae92d0d: reset GL viewport and project when caputring the screen

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* commit 'bae92d0d605e99a14731add4f11b72413b2835e5':
  reset GL viewport and project when caputring the screen
This commit is contained in:
Mathias Agopian 2012-09-28 13:38:51 -07:00 committed by Android Git Automerger
commit f00c34babb
3 changed files with 15 additions and 7 deletions
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18
services/surfaceflinger/DisplayDevice.cpp
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@ -259,18 +259,22 @@ EGLBoolean DisplayDevice::makeCurrent(EGLDisplay dpy,
if (sur != hw->mSurface) {
result = eglMakeCurrent(dpy, hw->mSurface, hw->mSurface, ctx);
if (result == EGL_TRUE) {
GLsizei w = hw->mDisplayWidth;
GLsizei h = hw->mDisplayHeight;
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
// put the origin in the left-bottom corner
glOrthof(0, w, 0, h, 0, 1); // l=0, r=w ; b=0, t=h
setViewportAndProjection(hw);
}
}
return result;
}
void DisplayDevice::setViewportAndProjection(const sp<const DisplayDevice>& hw) {
GLsizei w = hw->mDisplayWidth;
GLsizei h = hw->mDisplayHeight;
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
// put the origin in the left-bottom corner
glOrthof(0, w, 0, h, 0, 1); // l=0, r=w ; b=0, t=h
}
// ----------------------------------------------------------------------------
void DisplayDevice::setVisibleLayersSortedByZ(const Vector< sp<LayerBase> >& layers) {

2
services/surfaceflinger/DisplayDevice.h
View File

@ -125,6 +125,8 @@ public:
static EGLBoolean makeCurrent(EGLDisplay dpy,
const sp<const DisplayDevice>& hw, EGLContext ctx);
static void setViewportAndProjection(const sp<const DisplayDevice>& hw);
/* ------------------------------------------------------------------------
* blank / unblank management
*/

2
services/surfaceflinger/SurfaceFlinger.cpp
View File

@ -2510,6 +2510,8 @@ status_t SurfaceFlinger::renderScreenToTextureLocked(uint32_t layerStack,
glFramebufferTexture2DOES(GL_FRAMEBUFFER_OES,
GL_COLOR_ATTACHMENT0_OES, GL_TEXTURE_2D, tname, 0);
DisplayDevice::setViewportAndProjection(hw);
// redraw the screen entirely...
glDisable(GL_TEXTURE_EXTERNAL_OES);
glDisable(GL_TEXTURE_2D);