1 files changed, 95 insertions, 0 deletions
diff --git a/gfx/skia/skia/include/gpu/dawn/GrDawnTypes.h b/gfx/skia/skia/include/gpu/dawn/GrDawnTypes.h
new file mode 100644
index 0000000000..fbd3dbaf55
--- /dev/null
+++ b/gfx/skia/skia/include/gpu/dawn/GrDawnTypes.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2019 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrDawnTypes_DEFINED
+#define GrDawnTypes_DEFINED
+
+#include "include/gpu/GpuTypes.h"
+
+#ifdef Always
+#undef Always
+static constexpr int Always = 2;
+#endif
+#ifdef Success
+#undef Success
+static constexpr int Success = 0;
+#endif
+#ifdef None
+#undef None
+static constexpr int None = 0L;
+#endif
+#include "webgpu/webgpu_cpp.h" // IWYU pragma: export
+
+struct GrDawnTextureInfo {
+    wgpu::Texture       fTexture;
+    wgpu::TextureFormat fFormat;
+    uint32_t            fLevelCount;
+    GrDawnTextureInfo() : fTexture(nullptr), fFormat(), fLevelCount(0) {
+    }
+    GrDawnTextureInfo(const GrDawnTextureInfo& other)
+        : fTexture(other.fTexture)
+        , fFormat(other.fFormat)
+        , fLevelCount(other.fLevelCount) {
+    }
+    GrDawnTextureInfo& operator=(const GrDawnTextureInfo& other) {
+        fTexture = other.fTexture;
+        fFormat = other.fFormat;
+        fLevelCount = other.fLevelCount;
+        return *this;
+    }
+    bool operator==(const GrDawnTextureInfo& other) const {
+        return fTexture.Get() == other.fTexture.Get() &&
+               fFormat == other.fFormat &&
+               fLevelCount == other.fLevelCount;
+    }
+};
+
+// GrDawnRenderTargetInfo holds a reference to a (1-mip) TextureView. This means that, for now,
+// GrDawnRenderTarget is suitable for rendering, but not readPixels() or writePixels(). Also,
+// backdrop filters and certain blend modes requiring copying the destination framebuffer
+// will not work.
+struct GrDawnRenderTargetInfo {
+    wgpu::TextureView   fTextureView;
+    wgpu::TextureFormat fFormat;
+    uint32_t            fLevelCount;
+    GrDawnRenderTargetInfo() : fTextureView(nullptr), fFormat(), fLevelCount(0) {
+    }
+    GrDawnRenderTargetInfo(const GrDawnRenderTargetInfo& other)
+        : fTextureView(other.fTextureView)
+        , fFormat(other.fFormat)
+        , fLevelCount(other.fLevelCount) {
+    }
+    explicit GrDawnRenderTargetInfo(const GrDawnTextureInfo& texInfo)
+        : fFormat(texInfo.fFormat)
+        , fLevelCount(1) {
+        wgpu::TextureViewDescriptor desc;
+        desc.format = texInfo.fFormat;
+        desc.mipLevelCount = 1;
+        fTextureView = texInfo.fTexture.CreateView(&desc);
+    }
+    GrDawnRenderTargetInfo& operator=(const GrDawnRenderTargetInfo& other) {
+        fTextureView = other.fTextureView;
+        fFormat = other.fFormat;
+        fLevelCount = other.fLevelCount;
+        return *this;
+    }
+    bool operator==(const GrDawnRenderTargetInfo& other) const {
+        return fTextureView.Get() == other.fTextureView.Get() &&
+               fFormat == other.fFormat &&
+               fLevelCount == other.fLevelCount;
+    }
+};
+
+struct GrDawnSurfaceInfo {
+    uint32_t fSampleCount = 1;
+    uint32_t fLevelCount = 0;
+    skgpu::Protected fProtected = skgpu::Protected::kNo;
+
+    wgpu::TextureFormat fFormat;
+};
+
+#endif