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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
* Copyright 2009, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// This file contains the declarations for Texture2DStub and TextureCUBEStub.
#ifndef O3D_CONVERTER_CROSS_TEXTURE_STUB_H_
#define O3D_CONVERTER_CROSS_TEXTURE_STUB_H_
#include "core/cross/bitmap.h"
#include "core/cross/texture.h"
#include "core/cross/types.h"
namespace o3d {
// Texture2DStub implements the stub Texture2D interface for the converter.
class Texture2DStub : public Texture2D {
public:
typedef SmartPointer<Texture2DStub> Ref;
Texture2DStub(ServiceLocator* service_locator,
int width,
int height,
Texture::Format format,
int levels,
bool enable_render_surfaces)
: Texture2D(service_locator,
width,
height,
format,
levels,
enable_render_surfaces) {}
virtual ~Texture2DStub() {}
// Overridden from Texture2D
virtual void SetRect(int level,
unsigned left,
unsigned top,
unsigned width,
unsigned height,
const void* src_data,
int src_pitch) {
}
// Returns a RenderSurface object associated with a mip_level of a texture.
// Parameters:
// mip_level: [in] The mip-level of the surface to be returned.
// pack: [in] The pack in which the surface will reside.
// Returns:
// Reference to the RenderSurface object.
virtual RenderSurface::Ref GetRenderSurface(int mip_level, Pack *pack) {
return RenderSurface::Ref(NULL);
}
// Returns the implementation-specific texture handle for this texture.
void* GetTextureHandle() const {
return NULL;
}
// Gets a RGBASwizzleIndices that contains a mapping from
// RGBA to the internal format used by the rendering API.
virtual const RGBASwizzleIndices& GetABGR32FSwizzleIndices();
protected:
// Locks the image buffer of a given mipmap level for writing from main
// memory.
virtual bool Lock(int level, void** texture_data, int* pitch) {
return false;
}
// Unlocks this texture and returns it to Stub control.
virtual bool Unlock(int level) { return true; }
private:
DISALLOW_COPY_AND_ASSIGN(Texture2DStub);
};
// TextureCUBEStub implements the TextureCUBE interface for the converter stub.
class TextureCUBEStub : public TextureCUBE {
public:
typedef SmartPointer<TextureCUBEStub> Ref;
TextureCUBEStub(ServiceLocator* service_locator,
int edge_length,
Texture::Format format,
int levels,
bool enable_render_surfaces)
: TextureCUBE(service_locator,
edge_length,
format,
levels,
enable_render_surfaces) {}
virtual ~TextureCUBEStub() {}
// Overridden from TextureCUBE
virtual void SetRect(CubeFace face,
int level,
unsigned dst_left,
unsigned dst_top,
unsigned width,
unsigned height,
const void* src_data,
int src_pitch) {
};
// Returns a RenderSurface object associated with a given cube face and
// mip_level of a texture.
// Parameters:
// face: [in] The cube face from which to extract the surface.
// mip_level: [in] The mip-level of the surface to be returned.
// pack: [in] The pack in which the surface will reside.
// Returns:
// Reference to the RenderSurface object.
virtual RenderSurface::Ref GetRenderSurface(CubeFace face,
int level,
Pack* pack) {
return RenderSurface::Ref(NULL);
}
// Returns the implementation-specific texture handle for this texture.
void* GetTextureHandle() const {
return NULL;
}
// Gets a RGBASwizzleIndices that contains a mapping from
// RGBA to the internal format used by the rendering API.
virtual const RGBASwizzleIndices& GetABGR32FSwizzleIndices();
protected:
// Locks the image buffer of a given face and mipmap level for loading
// from main memory.
virtual bool Lock(
CubeFace face, int level, void** texture_data, int* pitch) {
return false;
}
// Unlocks the image buffer of a given face and mipmap level.
virtual bool Unlock(CubeFace face, int level) { return true; }
private:
DISALLOW_COPY_AND_ASSIGN(TextureCUBEStub);
};
} // namespace o3d
#endif // O3D_CONVERTER_CROSS_TEXTURE_STUB_H_
|
