Make mock GrContext unit testable.

Bug: skia:
Change-Id: I959122f1f2c390832ab1033bcdbdd2ca6cfc0419
Reviewed-on: https://skia-review.googlesource.com/20699
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/include/gpu/mock/GrMockOptions.h b/include/gpu/mock/GrMockOptions.h
new file mode 100644
index 0000000000..6d30299cd5
--- /dev/null
+++ b/include/gpu/mock/GrMockOptions.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2017 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrMockOptions_DEFINED
+#define GrMockOptions_DEFINED
+
+#include "GrTypes.h"
+
+/**
+ * A pointer to this type is used as the GrBackendContext when creating a Mock GrContext. It can be
+ * used to specificy capability options for the mock context. If nullptr is used a default
+ * constructed GrMockOptions is used.
+ */
+struct GrMockOptions {
+    GrMockOptions() {
+        // By default RGBA_8888 is textureable and renderable and A8 is texturable.
+        fConfigOptions[kRGBA_8888_GrPixelConfig].fRenderable[0] = true;
+        fConfigOptions[kRGBA_8888_GrPixelConfig].fTexturable = true;
+        fConfigOptions[kAlpha_8_GrPixelConfig].fTexturable = true;
+    }
+
+    struct ConfigOptions {
+        /** The first value is for non-MSAA rendering, the second for MSAA. */
+        bool fRenderable[2] = {false, false};
+        bool fTexturable = false;
+    };
+
+    int fMaxTextureSize = 16384;
+    int fMaxRenderTargetSize = 16384;
+    int fMaxVertexAttributes = 16;
+    ConfigOptions fConfigOptions[kGrPixelConfigCnt];
+};
+
+#endif