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authorLorry Tar Creator <lorry-tar-importer@lorry>2017-06-27 06:07:23 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2017-06-27 06:07:23 +0000
commit1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c (patch)
tree46dcd36c86e7fbc6e5df36deb463b33e9967a6f7 /Source/ThirdParty/ANGLE/src/libANGLE/renderer/Format.h
parent32761a6cee1d0dee366b885b7b9c777e67885688 (diff)
downloadWebKitGtk-tarball-master.tar.gz
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+//
+// 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 typed GPU storage. Across multiple
+// renderer back-ends, there are common formats and some distinct
+// permutations, this enum encapsulates them all. Formats apply to
+// textures, but could also apply to any typed data.
+
+#ifndef LIBANGLE_RENDERER_FORMAT_H_
+#define LIBANGLE_RENDERER_FORMAT_H_
+
+#include "libANGLE/formatutils.h"
+#include "libANGLE/renderer/renderer_utils.h"
+
+namespace angle
+{
+
+struct Format final : angle::NonCopyable
+{
+ enum class ID;
+
+ Format(ID id,
+ GLenum glFormat,
+ GLenum fboFormat,
+ rx::MipGenerationFunction mipGen,
+ rx::ColorReadFunction colorRead,
+ GLenum componentType,
+ GLuint redBits,
+ GLuint greenBits,
+ GLuint blueBits,
+ GLuint alphaBits,
+ GLuint depthBits,
+ GLuint stencilBits);
+
+ static const Format &Get(ID id);
+
+ ID id;
+
+ // The closest matching GL internal format for the storage this format uses. Note that this
+ // may be a different internal format than the one this ANGLE format is used for.
+ GLenum glInternalFormat;
+
+ // The format we should report to the GL layer when querying implementation formats from a FBO.
+ // This might not be the same as the glInternalFormat, since some DXGI formats don't have
+ // matching GL format enums, like BGRA4, BGR5A1 and B5G6R6.
+ GLenum fboImplementationInternalFormat;
+
+ rx::MipGenerationFunction mipGenerationFunction;
+ rx::ColorReadFunction colorReadFunction;
+
+ // A map from a gl::FormatType to a fast pixel copy function for this format.
+ rx::FastCopyFunctionMap fastCopyFunctions;
+
+ GLenum componentType;
+
+ GLuint redBits;
+ GLuint greenBits;
+ GLuint blueBits;
+ GLuint alphaBits;
+ GLuint depthBits;
+ GLuint stencilBits;
+};
+
+} // namespace angle
+
+#include "libANGLE/renderer/Format_ID_autogen.inl"
+
+#endif // LIBANGLE_RENDERER_FORMAT_H_