blob: 04900b8f199442987e83e3c67e171a6672522e9a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
//
// Copyright (c) 2002-2010 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.
//
// geometry/VertexDataManager.h: Defines the VertexDataManager, a class that
// runs the Buffer translation process.
#ifndef LIBGLESV2_GEOMETRY_VERTEXDATAMANAGER_H_
#define LIBGLESV2_GEOMETRY_VERTEXDATAMANAGER_H_
#include <bitset>
#include <cstddef>
#define GL_APICALL
#include <GLES2/gl2.h>
#include "libGLESv2/Context.h"
namespace gl
{
class Buffer;
class BufferBackEnd;
class TranslatedVertexBuffer;
struct TranslatedAttribute;
struct FormatConverter;
struct TranslatedIndexData;
class VertexDataManager
{
public:
VertexDataManager(Context *context, BufferBackEnd *backend);
~VertexDataManager();
void dirtyCurrentValues() { mDirtyCurrentValues = true; }
GLenum preRenderValidate(GLint start,
GLsizei count,
TranslatedAttribute *outAttribs);
private:
std::bitset<MAX_VERTEX_ATTRIBS> getActiveAttribs() const;
void processNonArrayAttributes(const AttributeState *attribs, const std::bitset<MAX_VERTEX_ATTRIBS> &activeAttribs, TranslatedAttribute *translated, std::size_t count);
std::size_t typeSize(GLenum type) const;
std::size_t interpretGlStride(const AttributeState &attrib) const;
std::size_t roundUp(std::size_t x, std::size_t multiple) const;
std::size_t spaceRequired(const AttributeState &attrib, std::size_t maxVertex) const;
Context *mContext;
BufferBackEnd *mBackend;
TranslatedVertexBuffer *mStreamBuffer;
bool mDirtyCurrentValues;
std::size_t mCurrentValueOffset; // Offset within mCurrentValueBuffer that the current attribute values were last loaded at.
TranslatedVertexBuffer *mCurrentValueBuffer;
};
}
#endif // LIBGLESV2_GEOMETRY_VERTEXDATAMANAGER_H_
|
