webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 80 insertions, 0 deletions

diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/Format.cpp b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/Format.cpp
new file mode 100644
index 000000000..2443d3375
--- /dev/null
+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/Format.cpp
@@ -0,0 +1,80 @@
+//
+// Copyright 2016 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Format:
+//   A universal description of texture storage. Across multiple
+//   renderer back-ends, there are common formats and some distinct
+//   permutations, this enum encapsulates them all.
+
+#include "libANGLE/renderer/Format.h"
+
+#include "image_util/copyimage.h"
+
+using namespace rx;
+
+namespace angle
+{
+
+namespace
+{
+
+const FastCopyFunctionMap &GetFastCopyFunctionsMap(Format::ID formatID)
+{
+    switch (formatID)
+    {
+        case Format::ID::B8G8R8A8_UNORM:
+        {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wexit-time-destructors"
+            static FastCopyFunctionMap fastCopyMap;
+#pragma clang diagnostic pop
+            if (fastCopyMap.empty())
+            {
+                fastCopyMap[gl::FormatType(GL_RGBA, GL_UNSIGNED_BYTE)] = CopyBGRA8ToRGBA8;
+            }
+            return fastCopyMap;
+        }
+        default:
+        {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wexit-time-destructors"
+            static FastCopyFunctionMap emptyMap;
+#pragma clang diagnostic pop
+            return emptyMap;
+        }
+    }
+}
+
+}  // anonymous namespace
+
+Format::Format(ID id,
+               GLenum glFormat,
+               GLenum fboFormat,
+               MipGenerationFunction mipGen,
+               ColorReadFunction colorRead,
+               GLenum componentType,
+               GLuint redBits,
+               GLuint greenBits,
+               GLuint blueBits,
+               GLuint alphaBits,
+               GLuint depthBits,
+               GLuint stencilBits)
+    : id(id),
+      glInternalFormat(glFormat),
+      fboImplementationInternalFormat(fboFormat),
+      mipGenerationFunction(mipGen),
+      colorReadFunction(colorRead),
+      fastCopyFunctions(GetFastCopyFunctionsMap(id)),
+      componentType(componentType),
+      redBits(redBits),
+      greenBits(greenBits),
+      blueBits(blueBits),
+      alphaBits(alphaBits),
+      depthBits(depthBits),
+      stencilBits(stencilBits)
+{
+}
+
+}  // namespace angle