Add testing-only backend render target support to GrVkGpu.

Update unit tests to use backend render targets on non-GL contexts

Add named DM configs for rendering to Vulkan backend render targets and textures.

Make src data ptr param to createTestingOnlyBackendTexture be const.

Change-Id: I17f5375ed9bb08422006698956469d3151c4954c
Reviewed-on: https://skia-review.googlesource.com/113276
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/gpu/gl/GrGLGpu.cpp b/src/gpu/gl/GrGLGpu.cpp
index 7e69fbe341..9023554b6b 100644
--- a/src/gpu/gl/GrGLGpu.cpp
+++ b/src/gpu/gl/GrGLGpu.cpp
@@ -4345,7 +4345,7 @@ void GrGLGpu::xferBarrier(GrRenderTarget* rt, GrXferBarrierType type) {
 }
 
 #if GR_TEST_UTILS
-GrBackendTexture GrGLGpu::createTestingOnlyBackendTexture(void* pixels, int w, int h,
+GrBackendTexture GrGLGpu::createTestingOnlyBackendTexture(const void* pixels, int w, int h,
                                                           GrPixelConfig config, bool /*isRT*/,
                                                           GrMipMapped mipMapped) {
     if (!this->caps()->isConfigTexturable(config)) {
@@ -4395,7 +4395,7 @@ GrBackendTexture GrGLGpu::createTestingOnlyBackendTexture(void* pixels, int w, i
     if (!pixels) {
         // Fill in the texture with all zeros so we don't have random garbage
         pixels = defaultStorage.get();
-        memset(pixels, 0, baseLayerSize);
+        memset(defaultStorage.get(), 0, baseLayerSize);
     }
 
     int width = w;