implemented metal gpu backend texture upload testing

Bug: skia:
Change-Id: Ia3af58a0710f7f9792b37682a3cc45dd14282b71
Reviewed-on: https://skia-review.googlesource.com/140248
Commit-Queue: Timothy Liang <timliang@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>

1 files changed, 1 insertions, 30 deletions

diff --git a/tests/VkUploadPixelsTests.cpp b/tests/VkUploadPixelsTests.cpp
index bd87d19cd1..b13de41571 100644
--- a/tests/VkUploadPixelsTests.cpp
+++ b/tests/VkUploadPixelsTests.cpp
@@ -18,40 +18,11 @@
 #include "ProxyUtils.h"
 #include "SkGr.h"
 #include "Test.h"
+#include "TestUtils.h"
 #include "vk/GrVkGpu.h"
 
 using sk_gpu_test::GrContextFactory;
 
-void fill_pixel_data(int width, int height, GrColor* data) {
-
-    // build red-green gradient
-    for (int j = 0; j < height; ++j) {
-        for (int i = 0; i < width; ++i) {
-            unsigned int red = (unsigned int)(256.f*(i / (float)width));
-            unsigned int green = (unsigned int)(256.f*(j / (float)height));
-            data[i + j*width] = GrColorPackRGBA(red - (red>>8), green - (green>>8), 0xff, 0xff);
-        }
-    }
-}
-
-bool does_full_buffer_contain_correct_color(GrColor* srcBuffer,
-                                            GrColor* dstBuffer,
-                                            int width,
-                                            int height) {
-    GrColor* srcPtr = srcBuffer;
-    GrColor* dstPtr = dstBuffer;
-    for (int j = 0; j < height; ++j) {
-        for (int i = 0; i < width; ++i) {
-            if (srcPtr[i] != dstPtr[i]) {
-                return false;
-            }
-        }
-        srcPtr += width;
-        dstPtr += width;
-    }
-    return true;
-}
-
 void basic_texture_test(skiatest::Reporter* reporter, GrContext* context, SkColorType ct,
                         bool renderTarget) {
     const int kWidth = 16;