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
175
176
177
178
179
180
181
182
|
#include <asura-base/type.h>
#include "../CoreConfig.h"
#include "GfxDevice.h"
#include "Shader.h"
#include "MatrixStack.h"
#include "Color.h"
namespace_begin(AsuraEngine)
namespace_begin(Graphics)
#if ASURA_DEBUG
static bool instantiated = false;
#endif
#if ASURA_GL_PROFILE
#define Stats(f) m_Stats.f
#else
#define Stats(f)
#endif
GfxDevice g_GfxDevice;
GfxDevice::GfxDevice()
{
#if ASURA_DEBUG
ASSERT(!instantiated);
instantiated = true;
#endif
}
GfxDevice::~GfxDevice()
{
}
GfxDevice& GfxDevice::Get()
{
return g_GfxDevice;
}
static bool inited = false;
bool GfxDevice::Init(const Recti& view)
{
bool loaded = false;
#if ASURA_OPENGL_LOADER & ASURA_OPENGL_GLAD
if (!loaded)
loaded = gladLoadGL();
#endif
if (!loaded)
return false;
SetViewport(view);
inited = true;
return true;
}
bool GfxDevice::Inited()
{
return inited;
}
void GfxDevice::WipeError()
{
while (glGetError() != GL_NO_ERROR);
}
bool GfxDevice::HasError()
{
return glGetError() != GL_NO_ERROR;
}
GLenum GfxDevice::GetError()
{
return glGetError();
}
void GfxDevice::SetDrawColor(float r, float g, float b, float a)
{
m_State.drawColor.Set(r, g, b, a);
}
Color& GfxDevice::GetDrawColor()
{
return m_State.drawColor;
}
void GfxDevice::SetViewport(const Recti v)
{
m_State.viewport = v;
glViewport(v.x, v.y, v.w, v.h);
}
const Recti& GfxDevice::GetViewport()
{
return m_State.viewport;
}
void GfxDevice::SetActiveShader(Shader* shader)
{
if (m_State.activeShader == shader)
return;
if (m_State.activeShader)
m_State.activeShader->OnDisable();
m_State.activeShader = shader;
if (shader)
{
GLint program = shader->GetGLProgram();
glUseProgram(program);
shader->OnEnable();
Stats(AddShaderSwitch());
}
}
Shader* GfxDevice::GetActiveShader() const
{
return m_State.activeShader;
}
void GfxDevice::PushMatrix ()
{
m_State.matrix[m_State.matrixMode].Push ();
}
void GfxDevice::PopMatrix ()
{
m_State.matrix[m_State.matrixMode].Pop();
}
void GfxDevice::LoadIdentity()
{
m_State.matrix[m_State.matrixMode].LoadIdentity();
}
void GfxDevice::Rotate (float angle)
{
m_State.matrix[m_State.matrixMode].Rotate(angle);
}
void GfxDevice::Translate (float x, float y)
{
m_State.matrix[m_State.matrixMode].Translate(x, y);
}
void GfxDevice::Scale (float x, float y)
{
m_State.matrix[m_State.matrixMode].Scale(x, y);
}
void GfxDevice::Ortho(float l, float r, float b, float t, float n, float f)
{
m_State.matrix[m_State.matrixMode].Ortho(l, r, b, t, n, f);
}
Matrix44& GfxDevice::GetMatrix(MatrixMode mode)
{
return m_State.matrix[mode].GetTop();
}
Matrix44 GfxDevice::GetMVPMatrix()
{
return m_State.matrix[MATRIX_MODE_PROJECTION].GetTop()
* m_State.matrix[MATRIX_MODE_VIEW].GetTop()
* m_State.matrix[MATRIX_MODE_MODEL].GetTop();
}
uint GfxDevice::GetMatrixDepth()
{
return m_State.matrix[m_State.matrixMode].GetCapacity();
}
uint GfxDevice::GetMatrixIndex()
{
return m_State.matrix[m_State.matrixMode].GetTopIndex();
}
namespace_end
namespace_end
|
