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Diffstat (limited to 'gfx/angle/src/libANGLE/renderer/Format.cpp')
-rw-r--r-- | gfx/angle/src/libANGLE/renderer/Format.cpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/renderer/Format.cpp b/gfx/angle/src/libANGLE/renderer/Format.cpp new file mode 100644 index 0000000000..e8883c6f36 --- /dev/null +++ b/gfx/angle/src/libANGLE/renderer/Format.cpp @@ -0,0 +1,60 @@ +// +// 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: + { + static FastCopyFunctionMap fastCopyMap; + if (fastCopyMap.empty()) + { + fastCopyMap[gl::FormatType(GL_RGBA, GL_UNSIGNED_BYTE)] = CopyBGRA8ToRGBA8; + } + return fastCopyMap; + } + default: + { + static FastCopyFunctionMap emptyMap; + return emptyMap; + } + } +} + +} // anonymous namespace + +Format::Format(ID id, + GLenum glFormat, + GLenum fboFormat, + MipGenerationFunction mipGen, + ColorReadFunction colorRead) + : id(id), + glInternalFormat(glFormat), + fboImplementationInternalFormat(fboFormat), + mipGenerationFunction(mipGen), + colorReadFunction(colorRead), + fastCopyFunctions(GetFastCopyFunctionsMap(id)) +{ +} + +} // namespace angle |