am 04b00cea: Fix libgui crop matrix test.

* commit '04b00cea67b406c4a971b24b9f91e95c754813ed':
  Fix libgui crop matrix test.
This commit is contained in:
Michael Lentine 2015-06-01 18:49:59 +00:00 committed by Android Git Automerger
commit aa8ce43b30

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]);
}