corysanin/tubestation
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Bug 1105834 - Part 2: Add layers.dump-texture feature. r=mstange

Browse Source
This commit is contained in:
Benoit Girard
2014-11-28 17:41:47 -05:00
parent cee3949e96
commit 285d0437e8
9 changed files with 144 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
gfx/layers/opengl/GrallocTextureHost.cpp
View File

@@ -8,6 +8,7 @@
#include "gfx2DGlue.h"
#include <ui/GraphicBuffer.h>
#include "GrallocImages.h" // for GrallocImage
#include "mozilla/gfx/DataSurfaceHelpers.h"
#include "mozilla/layers/GrallocTextureHost.h"
#include "mozilla/layers/SharedBufferManagerParent.h"
#include "EGLImageHelpers.h"
@@ -385,29 +386,45 @@ GrallocTextureHostOGL::GetRenderState()
TemporaryRef<gfx::DataSourceSurface>
GrallocTextureHostOGL::GetAsSurface() {
return mTilingTextureSource ? mTilingTextureSource->GetAsSurface()
: nullptr;
if (mTilingTextureSource) {
return mTilingTextureSource->GetAsSurface();
} else {
android::GraphicBuffer* graphicBuffer = GetGraphicBufferFromDesc(mGrallocHandle).get();
uint8_t* grallocData;
int32_t rv = graphicBuffer->lock(GRALLOC_USAGE_SW_READ_OFTEN, reinterpret_cast<void**>(&grallocData));
RefPtr<gfx::DataSourceSurface> grallocTempSurf =
Factory::CreateWrappingDataSourceSurface(grallocData,
graphicBuffer->getStride() * android::bytesPerPixel(graphicBuffer->getPixelFormat()),
GetSize(), GetFormat());
RefPtr<gfx::DataSourceSurface> surf = CreateDataSourceSurfaceByCloning(grallocTempSurf);
graphicBuffer->unlock();
return surf.forget();
}
}
TemporaryRef<gfx::DataSourceSurface>
GrallocTextureSourceOGL::GetAsSurface() {
if (!IsValid() || !gl()->MakeCurrent()) {
if (!IsValid()) {
return nullptr;
}
GLuint tex = GetGLTexture();
gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
gl()->fBindTexture(GetTextureTarget(), tex);
if (!mEGLImage) {
mEGLImage = EGLImageCreateFromNativeBuffer(gl(), mGraphicBuffer->getNativeBuffer());
uint8_t* grallocData;
int32_t rv = mGraphicBuffer->lock(GRALLOC_USAGE_SW_READ_OFTEN, reinterpret_cast<void**>(&grallocData));
if (rv) {
return nullptr;
}
BindEGLImage();
RefPtr<gfx::DataSourceSurface> surf =
IsValid() ? ReadBackSurface(gl(), tex, false, GetFormat())
: nullptr;
RefPtr<gfx::DataSourceSurface> grallocTempSurf =
Factory::CreateWrappingDataSourceSurface(grallocData,
mGraphicBuffer->getStride() * android::bytesPerPixel(mGraphicBuffer->getPixelFormat()),
GetSize(), GetFormat());
RefPtr<gfx::DataSourceSurface> surf = CreateDataSourceSurfaceByCloning(grallocTempSurf);
mGraphicBuffer->unlock();
gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
return surf.forget();
}