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, 5 insertions, 6 deletions

diff --git a/src/gpu/GrGpu.h b/src/gpu/GrGpu.h
index 40d766431a..2aacc49151 100644
--- a/src/gpu/GrGpu.h
+++ b/src/gpu/GrGpu.h
@@ -452,14 +452,13 @@ public:
     /** Creates a texture directly in the backend API without wrapping it in a GrTexture. This is
         only to be used for testing (particularly for testing the methods that import an externally
         created texture into Skia. Must be matched with a call to deleteTestingOnlyTexture(). */
-    GrBackendTexture createTestingOnlyBackendTexture(void* pixels, int w, int h, SkColorType,
+    GrBackendTexture createTestingOnlyBackendTexture(const void* pixels, int w, int h, SkColorType,
                                                      bool isRenderTarget, GrMipMapped);
     /** Older version based on GrPixelConfig. Currently the preferred one above devolves to this. */
-    virtual GrBackendTexture createTestingOnlyBackendTexture(
-                                                      void* pixels, int w, int h,
-                                                      GrPixelConfig config,
-                                                      bool isRenderTarget,
-                                                      GrMipMapped mipMapped) = 0;
+    virtual GrBackendTexture createTestingOnlyBackendTexture(const void* pixels, int w, int h,
+                                                             GrPixelConfig config,
+                                                             bool isRenderTarget,
+                                                             GrMipMapped mipMapped) = 0;
     /** Check a handle represents an actual texture in the backend API that has not been freed. */
     virtual bool isTestingOnlyBackendTexture(const GrBackendTexture&) const = 0;
     /**