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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/angle/src/libANGLE/VertexAttribute.h')
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1 files changed, 72 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/VertexAttribute.h b/gfx/angle/src/libANGLE/VertexAttribute.h
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+//
+// Copyright (c) 2013 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.
+//
+// Helper structure describing a single vertex attribute
+//
+
+#ifndef LIBANGLE_VERTEXATTRIBUTE_H_
+#define LIBANGLE_VERTEXATTRIBUTE_H_
+
+#include "libANGLE/Buffer.h"
+
+namespace gl
+{
+
+struct VertexAttribute
+{
+ bool enabled; // From glEnable/DisableVertexAttribArray
+
+ GLenum type;
+ GLuint size;
+ bool normalized;
+ bool pureInteger;
+ GLuint stride; // 0 means natural stride
+
+ union
+ {
+ const GLvoid *pointer;
+ GLintptr offset;
+ };
+ BindingPointer<Buffer> buffer; // Captured when glVertexAttribPointer is called.
+
+ GLuint divisor;
+
+ VertexAttribute();
+};
+
+bool operator==(const VertexAttribute &a, const VertexAttribute &b);
+bool operator!=(const VertexAttribute &a, const VertexAttribute &b);
+
+size_t ComputeVertexAttributeTypeSize(const VertexAttribute& attrib);
+size_t ComputeVertexAttributeStride(const VertexAttribute& attrib);
+size_t ComputeVertexAttributeElementCount(const VertexAttribute &attrib,
+ size_t drawCount,
+ size_t instanceCount);
+
+struct VertexAttribCurrentValueData
+{
+ union
+ {
+ GLfloat FloatValues[4];
+ GLint IntValues[4];
+ GLuint UnsignedIntValues[4];
+ };
+ GLenum Type;
+
+ VertexAttribCurrentValueData();
+
+ void setFloatValues(const GLfloat floatValues[4]);
+ void setIntValues(const GLint intValues[4]);
+ void setUnsignedIntValues(const GLuint unsignedIntValues[4]);
+};
+
+bool operator==(const VertexAttribCurrentValueData &a, const VertexAttribCurrentValueData &b);
+bool operator!=(const VertexAttribCurrentValueData &a, const VertexAttribCurrentValueData &b);
+
+}
+
+#include "VertexAttribute.inl"
+
+#endif // LIBANGLE_VERTEXATTRIBUTE_H_