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Add logs when taking a screenshot to help tracking issue 3361121 

Change-Id: I61d1e072ebe7061ee1d7255f6121b684e2923d1b
This commit is contained in:
Mathias Agopian 2011-01-16 14:05:02 -08:00
parent 5f866e5b80
commit c1d1b0d9b7
1 changed files with 23 additions and 2 deletions
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25
services/surfaceflinger/SurfaceFlinger.cpp
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@ -2132,6 +2132,9 @@ status_t SurfaceFlinger::captureScreenImplLocked(DisplayID dpy,
sh = (!sh) ? hw_h : sh;
const size_t size = sw * sh * 4;
LOGD("screenshot: sw=%d, sh=%d, minZ=%d, maxZ=%d",
sw, sh, minLayerZ, maxLayerZ);
// make sure to clear all GL error flags
while ( glGetError() != GL_NO_ERROR ) ;
@ -2146,6 +2149,9 @@ status_t SurfaceFlinger::captureScreenImplLocked(DisplayID dpy,
GL_COLOR_ATTACHMENT0_OES, GL_RENDERBUFFER_OES, tname);
GLenum status = glCheckFramebufferStatusOES(GL_FRAMEBUFFER_OES);
LOGD("screenshot: FBO created, status=0x%x", status);
if (status == GL_FRAMEBUFFER_COMPLETE_OES) {
// invert everything, b/c glReadPixel() below will invert the FB
@ -2161,6 +2167,8 @@ status_t SurfaceFlinger::captureScreenImplLocked(DisplayID dpy,
glClearColor(0,0,0,1);
glClear(GL_COLOR_BUFFER_BIT);
LOGD("screenshot: glClear() issued");
const Vector< sp<LayerBase> >& layers(mVisibleLayersSortedByZ);
const size_t count = layers.size();
for (size_t i=0 ; i<count ; ++i) {
@ -2171,6 +2179,8 @@ status_t SurfaceFlinger::captureScreenImplLocked(DisplayID dpy,
}
}
LOGD("screenshot: All layers rendered");
// XXX: this is needed on tegra
glScissor(0, 0, sw, sh);
@ -2185,6 +2195,10 @@ status_t SurfaceFlinger::captureScreenImplLocked(DisplayID dpy,
new MemoryHeapBase(size, 0, "screen-capture") );
void* const ptr = base->getBase();
if (ptr) {
LOGD("screenshot: about to call glReadPixels(0,0,%d,%d,...,%p)",
sw, sh, ptr);
// capture the screen with glReadPixels()
glReadPixels(0, 0, sw, sh, GL_RGBA, GL_UNSIGNED_BYTE, ptr);
if (glGetError() == GL_NO_ERROR) {
@ -2197,25 +2211,32 @@ status_t SurfaceFlinger::captureScreenImplLocked(DisplayID dpy,
} else {
result = NO_MEMORY;
}
LOGD("screenshot: glReadPixels() returned %s", strerror(result));
}
glEnable(GL_SCISSOR_TEST);
glViewport(0, 0, hw_w, hw_h);
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
} else {
result = BAD_VALUE;
}
LOGD("screenshot: about to release FBO resources");
// release FBO resources
glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
glDeleteRenderbuffersOES(1, &tname);
glDeleteFramebuffersOES(1, &name);
LOGD("screenshot: about to call compositionComplete()");
hw.compositionComplete();
LOGD("screenshot: result = %s", strerror(result));
return result;
}