Fix libgui crop matrix test.

On devices that have the crop image extension the crop is not applied to the
transform matrix so we have to expect different results in this case.

Change-Id: If62dec1111fb77c9fa2c4332d121665960ce0216
(cherry picked from commit 04b00cea67)
This commit is contained in:
Michael Lentine 2015-05-29 16:05:36 -07:00 committed by Dan Stoza
parent 75145aa2b7
commit 34228137cc

View File

@ -27,6 +27,9 @@
#include <utils/Log.h>
#include <utils/Thread.h>
EGLAPI const char* eglQueryStringImplementationANDROID(EGLDisplay dpy, EGLint name);
#define CROP_EXT_STR "EGL_ANDROID_image_crop"
namespace android {
class SurfaceTextureClientTest : public ::testing::Test {
@ -615,6 +618,18 @@ TEST_F(SurfaceTextureClientTest, GetTransformMatrixSucceedsAfterFreeingBuffers)
}
TEST_F(SurfaceTextureClientTest, GetTransformMatrixSucceedsAfterFreeingBuffersWithCrop) {
// Query to see if the image crop extension exists
EGLDisplay dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
const char* exts = eglQueryStringImplementationANDROID(dpy, EGL_EXTENSIONS);
size_t cropExtLen = strlen(CROP_EXT_STR);
size_t extsLen = strlen(exts);
bool equal = !strcmp(CROP_EXT_STR, exts);
bool atStart = !strncmp(CROP_EXT_STR " ", exts, cropExtLen+1);
bool atEnd = (cropExtLen+1) < extsLen &&
!strcmp(" " CROP_EXT_STR, exts + extsLen - (cropExtLen+1));
bool inMiddle = strstr(exts, " " CROP_EXT_STR " ");
bool hasEglAndroidImageCrop = equal || atStart || atEnd || inMiddle;
android_native_buffer_t* buf[3];
float mtx[16] = {};
android_native_rect_t crop;
@ -633,15 +648,17 @@ TEST_F(SurfaceTextureClientTest, GetTransformMatrixSucceedsAfterFreeingBuffersWi
ASSERT_EQ(OK, native_window_set_buffer_count(mANW.get(), 6)); // frees buffers
mST->getTransformMatrix(mtx);
// This accounts for the .5 texel shrink for each edge that's included in the
// transform matrix to avoid texturing outside the crop region.
EXPECT_EQ(0.5, mtx[0]);
// If the egl image crop extension is not present, this accounts for the
// .5 texel shrink for each edge that's included in the transform matrix
// to avoid texturing outside the crop region. Otherwise the crop is not
// included in the transform matrix.
EXPECT_EQ(hasEglAndroidImageCrop ? 1 : 0.5, mtx[0]);
EXPECT_EQ(0.f, mtx[1]);
EXPECT_EQ(0.f, mtx[2]);
EXPECT_EQ(0.f, mtx[3]);
EXPECT_EQ(0.f, mtx[4]);
EXPECT_EQ(-0.5, mtx[5]);
EXPECT_EQ(hasEglAndroidImageCrop ? -1 : -0.5, mtx[5]);
EXPECT_EQ(0.f, mtx[6]);
EXPECT_EQ(0.f, mtx[7]);
@ -650,8 +667,8 @@ TEST_F(SurfaceTextureClientTest, GetTransformMatrixSucceedsAfterFreeingBuffersWi
EXPECT_EQ(1.f, mtx[10]);
EXPECT_EQ(0.f, mtx[11]);
EXPECT_EQ(0.0625f, mtx[12]);
EXPECT_EQ(0.5625f, mtx[13]);
EXPECT_EQ(hasEglAndroidImageCrop ? 0 : 0.0625f, mtx[12]);
EXPECT_EQ(hasEglAndroidImageCrop ? 1 : 0.5625f, mtx[13]);
EXPECT_EQ(0.f, mtx[14]);
EXPECT_EQ(1.f, mtx[15]);
}