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am c93a151f: Merge "Define, document, and test the behavior of very large SurfaceTextures" into ics-mr1

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* commit 'c93a151fde7d616c22b86ae458b3d015e3820d5e':
  Define, document, and test the behavior of very large SurfaceTextures
This commit is contained in:
Mathias Agopian 2011-11-14 11:51:48 -08:00 committed by Android Git Automerger
commit 9eb4fc62ee
2 changed files with 42 additions and 2 deletions
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12
include/gui/SurfaceTexture.h
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@ -79,7 +79,11 @@ public:
// pointed to by the buf argument and a status of OK is returned. If no
// slot is available then a status of -EBUSY is returned and buf is
// unmodified.
virtual status_t dequeueBuffer(int *buf, uint32_t w, uint32_t h,
// The width and height parameters must be no greater than the minimum of
// GL_MAX_VIEWPORT_DIMS and GL_MAX_TEXTURE_SIZE (see: glGetIntegerv).
// An error due to invalid dimensions might not be reported until
// updateTexImage() is called.
virtual status_t dequeueBuffer(int *buf, uint32_t width, uint32_t height,
uint32_t format, uint32_t usage);
// queueBuffer returns a filled buffer to the SurfaceTexture. In addition, a
@ -176,7 +180,11 @@ public:
// requestBuffers when a with and height of zero is requested.
// A call to setDefaultBufferSize() may trigger requestBuffers() to
// be called from the client.
status_t setDefaultBufferSize(uint32_t w, uint32_t h);
// The width and height parameters must be no greater than the minimum of
// GL_MAX_VIEWPORT_DIMS and GL_MAX_TEXTURE_SIZE (see: glGetIntegerv).
// An error due to invalid dimensions might not be reported until
// updateTexImage() is called.
status_t setDefaultBufferSize(uint32_t width, uint32_t height);
// getCurrentBuffer returns the buffer associated with the current image.
sp<GraphicBuffer> getCurrentBuffer() const;

32
libs/gui/tests/SurfaceTexture_test.cpp
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@ -1520,4 +1520,36 @@ TEST_F(SurfaceTextureGLTest, EglDestroySurfaceAfterAbandonUnrefsBuffers) {
EXPECT_EQ(1, buffers[2]->getStrongCount());
}
TEST_F(SurfaceTextureGLTest, InvalidWidthOrHeightFails) {
int texHeight = 16;
ANativeWindowBuffer* anb;
GLint maxTextureSize;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize);
// make sure it works with small textures
mST->setDefaultBufferSize(16, texHeight);
EXPECT_EQ(NO_ERROR, mANW->dequeueBuffer(mANW.get(), &anb));
EXPECT_EQ(16, anb->width);
EXPECT_EQ(texHeight, anb->height);
EXPECT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), anb));
EXPECT_EQ(NO_ERROR, mST->updateTexImage());
// make sure it works with GL_MAX_TEXTURE_SIZE
mST->setDefaultBufferSize(maxTextureSize, texHeight);
EXPECT_EQ(NO_ERROR, mANW->dequeueBuffer(mANW.get(), &anb));
EXPECT_EQ(maxTextureSize, anb->width);
EXPECT_EQ(texHeight, anb->height);
EXPECT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), anb));
EXPECT_EQ(NO_ERROR, mST->updateTexImage());
// make sure it fails with GL_MAX_TEXTURE_SIZE+1
mST->setDefaultBufferSize(maxTextureSize+1, texHeight);
EXPECT_EQ(NO_ERROR, mANW->dequeueBuffer(mANW.get(), &anb));
EXPECT_EQ(maxTextureSize+1, anb->width);
EXPECT_EQ(texHeight, anb->height);
EXPECT_EQ(NO_ERROR, mANW->queueBuffer(mANW.get(), anb));
ASSERT_NE(NO_ERROR, mST->updateTexImage());
}
} // namespace android