зеркало из https://github.com/mozilla/gecko-dev.git
79 строки
2.0 KiB
C++
79 строки
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef WEBGL_VERTEX_ATTRIB_DATA_H_
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#define WEBGL_VERTEX_ATTRIB_DATA_H_
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#include "GLDefs.h"
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#include "WebGLObjectModel.h"
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namespace mozilla {
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class WebGLBuffer;
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class WebGLVertexAttribData final
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{
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public:
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uint32_t mDivisor;
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bool mEnabled;
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private:
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bool mIntegerFunc;
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public:
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WebGLRefPtr<WebGLBuffer> mBuf;
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private:
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GLenum mType;
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GLenum mBaseType;
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uint8_t mSize; // num of mType vals per vert
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uint8_t mBytesPerVertex;
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bool mNormalized;
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uint32_t mStride; // bytes
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uint32_t mExplicitStride;
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uint64_t mByteOffset;
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public:
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#define GETTER(X) const decltype(m##X)& X() const { return m##X; }
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GETTER(IntegerFunc)
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GETTER(Type)
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GETTER(BaseType)
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GETTER(Size)
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GETTER(BytesPerVertex)
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GETTER(Normalized)
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GETTER(Stride)
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GETTER(ExplicitStride)
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GETTER(ByteOffset)
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#undef GETTER
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// note that these initial values are what GL initializes vertex attribs to
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WebGLVertexAttribData()
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: mDivisor(0)
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, mEnabled(false)
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{
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VertexAttribPointer(false, nullptr, 4, LOCAL_GL_FLOAT, false, 0, 0);
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}
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void VertexAttribPointer(bool integerFunc, WebGLBuffer* buf, uint8_t size,
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GLenum type, bool normalized, uint32_t stride,
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uint64_t byteOffset);
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void DoVertexAttribPointer(gl::GLContext* gl, GLuint index) const;
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};
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} // namespace mozilla
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inline void
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ImplCycleCollectionTraverse(nsCycleCollectionTraversalCallback& callback,
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mozilla::WebGLVertexAttribData& field,
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const char* name,
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uint32_t flags = 0)
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{
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CycleCollectionNoteChild(callback, field.mBuf.get(), name, flags);
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}
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#endif // WEBGL_VERTEX_ATTRIB_DATA_H_
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