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
|
#include "AppHdr.h"
#ifdef USE_TILE
#include "glwrapper.h"
/////////////////////////////////////////////////////////////////////////////
// VColour
VColour VColour::white(255, 255, 255, 255);
VColour VColour::black(0, 0, 0, 255);
VColour VColour::transparent(0, 0, 0, 0);
bool VColour::operator==(const VColour &vc) const
{
return (r == vc.r && g == vc.g && b == vc.b && a == vc.a);
}
bool VColour::operator!=(const VColour &vc) const
{
return (r != vc.r || g != vc.g || b != vc.b || a != vc.a);
}
/////////////////////////////////////////////////////////////////////////////
// GLState
// Note: these defaults should match the OpenGL defaults
GLState::GLState() :
array_vertex(false),
array_texcoord(false),
array_colour(false),
blend(false),
texture(false),
depthtest(false),
alphatest(false),
alpharef(0),
colour(VColour::white)
{
}
GLState::GLState(const GLState &state) :
array_vertex(state.array_vertex),
array_texcoord(state.array_texcoord),
array_colour(state.array_colour),
blend(state.blend),
texture(state.texture),
depthtest(state.depthtest),
alphatest(state.alphatest),
alpharef(state.alpharef),
colour(state.colour)
{
}
const GLState &GLState::operator=(const GLState &state)
{
array_vertex = state.array_vertex;
array_texcoord = state.array_texcoord;
array_colour = state.array_colour;
blend = state.blend;
texture = state.texture;
depthtest = state.depthtest;
alphatest = state.alphatest;
alpharef = state.alpharef;
colour = state.colour;
return (*this);
}
bool GLState::operator==(const GLState &state) const
{
return (array_vertex == state.array_vertex
&& array_texcoord == state.array_texcoord
&& array_colour == state.array_colour
&& blend == state.blend
&& texture == state.texture
&& depthtest == state.depthtest
&& alphatest == state.alphatest
&& alpharef == state.alpharef
&& colour == state.colour);
}
/////////////////////////////////////////////////////////////////////////////
// GLStateManager
#ifdef ASSERTS
bool GLStateManager::_valid(int num_verts, drawing_modes mode)
{
switch (mode)
{
case GLW_RECTANGLE:
return (num_verts % 4 == 0);
case GLW_LINES:
return (num_verts % 2 == 0);
default:
return (false);
}
}
#endif // ASSERTS
#endif // USE_TILE
|
