1 files changed, 119 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/VertexAttribute.h b/src/3rdparty/angle/src/libGLESv2/VertexAttribute.h
new file mode 100644
index 0000000000..e9757b618b
--- /dev/null
+++ b/src/3rdparty/angle/src/libGLESv2/VertexAttribute.h
@@ -0,0 +1,119 @@
+//
+// 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 LIBGLESV2_VERTEXATTRIBUTE_H_
+#define LIBGLESV2_VERTEXATTRIBUTE_H_
+
+#include "libGLESv2/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();
+};
+
+template <typename T>
+T QuerySingleVertexAttributeParameter(const VertexAttribute& attrib, GLenum pname)
+{
+  switch (pname)
+  {
+    case GL_VERTEX_ATTRIB_ARRAY_ENABLED:
+      return static_cast<T>(attrib.enabled ? GL_TRUE : GL_FALSE);
+    case GL_VERTEX_ATTRIB_ARRAY_SIZE:
+      return static_cast<T>(attrib.size);
+    case GL_VERTEX_ATTRIB_ARRAY_STRIDE:
+      return static_cast<T>(attrib.stride);
+    case GL_VERTEX_ATTRIB_ARRAY_TYPE:
+      return static_cast<T>(attrib.type);
+    case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED:
+      return static_cast<T>(attrib.normalized ? GL_TRUE : GL_FALSE);
+    case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING:
+      return static_cast<T>(attrib.buffer.id());
+    case GL_VERTEX_ATTRIB_ARRAY_DIVISOR:
+      return static_cast<T>(attrib.divisor);
+    case GL_VERTEX_ATTRIB_ARRAY_INTEGER:
+      return static_cast<T>(attrib.pureInteger ? GL_TRUE : GL_FALSE);
+    default:
+      UNREACHABLE();
+      return static_cast<T>(0);
+  }
+}
+
+size_t ComputeVertexAttributeTypeSize(const VertexAttribute& attrib);
+size_t ComputeVertexAttributeStride(const VertexAttribute& attrib);
+
+struct VertexAttribCurrentValueData
+{
+    union
+    {
+        GLfloat FloatValues[4];
+        GLint IntValues[4];
+        GLuint UnsignedIntValues[4];
+    };
+    GLenum Type;
+
+    void setFloatValues(const GLfloat floatValues[4])
+    {
+        for (unsigned int valueIndex = 0; valueIndex < 4; valueIndex++)
+        {
+            FloatValues[valueIndex] = floatValues[valueIndex];
+        }
+        Type = GL_FLOAT;
+    }
+
+    void setIntValues(const GLint intValues[4])
+    {
+        for (unsigned int valueIndex = 0; valueIndex < 4; valueIndex++)
+        {
+            IntValues[valueIndex] = intValues[valueIndex];
+        }
+        Type = GL_INT;
+    }
+
+    void setUnsignedIntValues(const GLuint unsignedIntValues[4])
+    {
+        for (unsigned int valueIndex = 0; valueIndex < 4; valueIndex++)
+        {
+            UnsignedIntValues[valueIndex] = unsignedIntValues[valueIndex];
+        }
+        Type = GL_UNSIGNED_INT;
+    }
+
+    bool operator==(const VertexAttribCurrentValueData &other)
+    {
+        return (Type == other.Type && memcmp(FloatValues, other.FloatValues, sizeof(float) * 4) == 0);
+    }
+
+    bool operator!=(const VertexAttribCurrentValueData &other)
+    {
+        return !(*this == other);
+    }
+};
+
+}
+
+#endif // LIBGLESV2_VERTEXATTRIBUTE_H_