14#ifndef OSG_TEXENVCOMBINE
15#define OSG_TEXENVCOMBINE 1
23#ifndef GL_ARB_texture_env_combine
24#define GL_COMBINE_ARB 0x8570
25#define GL_COMBINE_RGB_ARB 0x8571
26#define GL_COMBINE_ALPHA_ARB 0x8572
27#define GL_SOURCE0_RGB_ARB 0x8580
28#define GL_SOURCE1_RGB_ARB 0x8581
29#define GL_SOURCE2_RGB_ARB 0x8582
30#define GL_SOURCE0_ALPHA_ARB 0x8588
31#define GL_SOURCE1_ALPHA_ARB 0x8589
32#define GL_SOURCE2_ALPHA_ARB 0x858A
33#define GL_OPERAND0_RGB_ARB 0x8590
34#define GL_OPERAND1_RGB_ARB 0x8591
35#define GL_OPERAND2_RGB_ARB 0x8592
36#define GL_OPERAND0_ALPHA_ARB 0x8598
37#define GL_OPERAND1_ALPHA_ARB 0x8599
38#define GL_OPERAND2_ALPHA_ARB 0x859A
39#define GL_RGB_SCALE_ARB 0x8573
40#define GL_ADD_SIGNED_ARB 0x8574
41#define GL_INTERPOLATE_ARB 0x8575
42#define GL_SUBTRACT_ARB 0x84E7
43#define GL_CONSTANT_ARB 0x8576
44#define GL_PRIMARY_COLOR_ARB 0x8577
45#define GL_PREVIOUS_ARB 0x8578
48#ifndef GL_ARB_texture_env_dot3
49#define GL_DOT3_RGB_ARB 0x86AE
50#define GL_DOT3_RGBA_ARB 0x86AF
54#define GL_TEXTURE0 0x84C0
70 _needsTexEnvCrossbar(texenv._needsTexEnvCrossbar),
71 _combine_RGB(texenv._combine_RGB),
72 _combine_Alpha(texenv._combine_Alpha),
73 _source0_RGB(texenv._source0_RGB),
74 _source1_RGB(texenv._source1_RGB),
75 _source2_RGB(texenv._source2_RGB),
76 _source0_Alpha(texenv._source0_Alpha),
77 _source1_Alpha(texenv._source1_Alpha),
78 _source2_Alpha(texenv._source2_Alpha),
79 _operand0_RGB(texenv._operand0_RGB),
80 _operand1_RGB(texenv._operand1_RGB),
81 _operand2_RGB(texenv._operand2_RGB),
82 _operand0_Alpha(texenv._operand0_Alpha),
83 _operand1_Alpha(texenv._operand1_Alpha),
84 _operand2_Alpha(texenv._operand2_Alpha),
85 _scale_RGB(texenv._scale_RGB),
86 _scale_Alpha(texenv._scale_Alpha),
87 _constantColor(texenv._constantColor) {}
128 REPLACE = GL_REPLACE,
149 TEXTURE = GL_TEXTURE,
178 SRC_COLOR = GL_SRC_COLOR,
179 ONE_MINUS_SRC_COLOR = GL_ONE_MINUS_SRC_COLOR,
180 SRC_ALPHA = GL_SRC_ALPHA,
181 ONE_MINUS_SRC_ALPHA = GL_ONE_MINUS_SRC_ALPHA
214 _constantColor.set((direction.
x()+1.0f)*0.5f,(direction.
y()+1.0f)*0.5f,(direction.
z()+1.0f)*0.5f,1.0f);
219 return Vec3(_constantColor.x()*2.0f-1.0f, _constantColor.y()*2.0f-1.0f, _constantColor.z()*2.0f-1.0f);
243 _needsTexEnvCrossbar = (needsTexEnvCombiner(_source0_RGB) ||
244 needsTexEnvCombiner(_source1_RGB) ||
245 needsTexEnvCombiner(_source2_RGB) ||
246 needsTexEnvCombiner(_source0_Alpha) ||
247 needsTexEnvCombiner(_source1_Alpha) ||
248 needsTexEnvCombiner(_source2_Alpha));
#define COMPARE_StateAttribute_Parameter(parameter)
Definition StateAttribute:69
#define COMPARE_StateAttribute_Types(TYPE, rhs_attribute)
Definition StateAttribute:57
#define GL_TEXTURE0
Definition State:42
#define GL_SUBTRACT_ARB
Definition TexEnvCombine:42
#define GL_DOT3_RGBA_ARB
Definition TexEnvCombine:50
#define GL_PREVIOUS_ARB
Definition TexEnvCombine:45
#define GL_ADD_SIGNED_ARB
Definition TexEnvCombine:40
#define GL_DOT3_RGB_ARB
Definition TexEnvCombine:49
#define GL_INTERPOLATE_ARB
Definition TexEnvCombine:41
#define GL_PRIMARY_COLOR_ARB
Definition TexEnvCombine:44
#define GL_CONSTANT_ARB
Definition TexEnvCombine:43
#define GL_ADD
Definition TexEnv:23
#define GL_MODULATE
Definition TexEnv:22
Definition StateAttribute:77
Definition TexEnvCombine:62
TexEnvCombine(const TexEnvCombine &texenv, const CopyOp ©op=CopyOp::SHALLOW_COPY)
Definition TexEnvCombine:68
void setSource0_RGB(GLint sp)
void setSource2_Alpha(GLint sp)
GLint getCombine_RGB() const
Definition TexEnvCombine:141
void setSource0_Alpha(GLint sp)
const Vec4 & getConstantColor() const
Definition TexEnvCombine:208
void setSource1_Alpha(GLint sp)
GLint _source1_Alpha
Definition TexEnvCombine:265
GLint getSource0_RGB() const
Definition TexEnvCombine:168
float _scale_RGB
Definition TexEnvCombine:278
void setOperand1_RGB(GLint op)
GLint getOperand2_RGB() const
Definition TexEnvCombine:194
GLint getOperand0_Alpha() const
Definition TexEnvCombine:196
GLint getSource2_Alpha() const
Definition TexEnvCombine:174
Vec3 getConstantColorAsLightDirection() const
Definition TexEnvCombine:217
GLint getSource1_Alpha() const
Definition TexEnvCombine:173
OperandParam
Definition TexEnvCombine:177
void setScale_Alpha(float scale)
virtual bool isTextureAttribute() const
Definition TexEnvCombine:93
void computeNeedForTexEnvCombiners()
Definition TexEnvCombine:241
GLint getOperand1_Alpha() const
Definition TexEnvCombine:197
bool needsTexEnvCombiner(GLint value) const
Definition TexEnvCombine:228
float getScale_Alpha() const
Definition TexEnvCombine:205
virtual int compare(const StateAttribute &sa) const
Definition TexEnvCombine:96
void setScale_RGB(float scale)
GLint _operand1_Alpha
Definition TexEnvCombine:274
virtual void apply(State &state) const
osg::Vec4 _constantColor
Definition TexEnvCombine:281
GLint getSource2_RGB() const
Definition TexEnvCombine:170
SourceParam
Definition TexEnvCombine:145
GLint _combine_Alpha
Definition TexEnvCombine:258
GLint _operand2_RGB
Definition TexEnvCombine:271
META_StateAttribute(osg, TexEnvCombine, TEXENV)
GLint _source1_RGB
Definition TexEnvCombine:261
GLint getSource0_Alpha() const
Definition TexEnvCombine:172
GLint _source0_Alpha
Definition TexEnvCombine:264
float getScale_RGB() const
Definition TexEnvCombine:204
GLint _operand2_Alpha
Definition TexEnvCombine:275
void setCombine_Alpha(GLint cm)
bool _needsTexEnvCrossbar
Definition TexEnvCombine:255
GLint _operand0_Alpha
Definition TexEnvCombine:273
void setOperand0_RGB(GLint op)
GLint getOperand2_Alpha() const
Definition TexEnvCombine:198
void setOperand0_Alpha(GLint op)
GLint getOperand1_RGB() const
Definition TexEnvCombine:193
void setSource2_RGB(GLint sp)
GLint getSource1_RGB() const
Definition TexEnvCombine:169
GLint _source2_Alpha
Definition TexEnvCombine:266
GLint _source2_RGB
Definition TexEnvCombine:262
GLint _operand1_RGB
Definition TexEnvCombine:270
void setOperand2_Alpha(GLint op)
void setConstantColor(const Vec4 &color)
Definition TexEnvCombine:207
GLint getCombine_Alpha() const
Definition TexEnvCombine:142
void setOperand1_Alpha(GLint op)
GLint _operand0_RGB
Definition TexEnvCombine:269
CombineParam
Definition TexEnvCombine:127
float _scale_Alpha
Definition TexEnvCombine:279
void setCombine_RGB(GLint cm)
GLint _source0_RGB
Definition TexEnvCombine:260
GLint getOperand0_RGB() const
Definition TexEnvCombine:192
void setOperand2_RGB(GLint op)
void setConstantColorAsLightDirection(const Vec3 &direction)
Definition TexEnvCombine:212
GLint _combine_RGB
Definition TexEnvCombine:257
void setSource1_RGB(GLint sp)
value_type & z()
Definition Vec3f:82
value_type & y()
Definition Vec3f:81
value_type & x()
Definition Vec3f:80
author: Julien Valentin 2017 (mp3butcher@hotmail.com)
Definition AlphaFunc:19
#define OSG_EXPORT
Definition osg/Export:39