6 #include "arraystate.h"
7 #include "bufferstate.h"
9 #include "programstate.h"
10 #include "texturestate.h"
21 union { float x, r, s; };
22 union { float y, g, t; };
23 union { float z, b, p; };
24 union { float w, a, q; };
30 Tracks OpenGL state based on the command stream. This class is essentially a
31 (partial) OpenGL implementation in itself.
33 XXX Should determine the number of texture units the target implementation
39 typedef std::map<unsigned, TextureState> TextureMap;
40 typedef std::map<unsigned, BufferState> BufferMap;
41 typedef std::map<unsigned, ShaderState> ShaderMap;
42 typedef std::map<unsigned, ProgramState> ProgramMap;
50 unsigned client_active_tex;
52 TexUnitState texunits[8];
54 BufferState *array_buffer;
55 BufferState *element_buffer;
56 BufferState *uniform_buffer;
57 std::vector<BufferBindingState> uniform_bind_points;
58 ArrayState vertex_array;
59 ArrayState normal_array;
60 ArrayState color_array;
61 ArrayState texcoord_arrays[8];
62 std::map<unsigned, ArrayState> attrib_arrays;
70 int decode(const char *, unsigned);
71 const Vector4 &get_color() const { return color; }
72 const Vector4 &get_texcoord(unsigned i) const { return texcoord[i]; }
73 const Vector3 &get_normal() const { return normal; }
74 const TextureMap &get_textures() const { return textures; }
75 const TextureState &get_texture(unsigned) const;
76 const TexUnitState &get_texture_unit(unsigned i) const { return texunits[i]; }
77 const BufferMap &get_buffers() const { return buffers; }
78 const BufferState &get_buffer(unsigned) const;
79 const BufferState *get_current_buffer(GLenum) const;
80 const BufferBindingState &get_buffer_binding(GLenum, unsigned) const;
81 const ArrayState &get_array(GLenum) const;
82 const ArrayState &get_texture_coord_array(unsigned) const;
83 const ArrayState &get_attrib_array(unsigned) const;
84 const ShaderMap &get_shaders() const { return shaders; }
85 const ShaderState &get_shader(unsigned) const;
86 const ProgramMap &get_programs() const { return programs; }
87 const ProgramState &get_program(unsigned) const;
89 bool &get_boolean_state(GLenum);
90 TextureState *get_current_texture(GLenum);
91 BufferState *get_buffer_object(unsigned);
92 BufferState *get_current_buffer(GLenum);
93 BufferBindingState *get_buffer_binding(GLenum, unsigned);
94 void set_current_texture(GLenum, unsigned);
95 void set_current_buffer(GLenum, unsigned);
96 ArrayState &get_attrib_array(unsigned);
97 ShaderState *get_shader(unsigned, bool);
98 void delete_shader(unsigned);
99 ProgramState *get_program(unsigned, bool);
100 void delete_program(unsigned);
102 static void glEnableClientState(void *, GLenum);
103 static void glDisableClientState(void *, GLenum);
104 static void glEnableVertexAttribArray(void *, unsigned);
105 static void glDisableVertexAttribArray(void *, unsigned);
107 static void glColor3f(void *, float, float, float);
108 static void glColor4f(void *, float, float, float, float);
109 static void glNormal3f(void *, float, float, float);
110 static void glTexCoord1f(void *, float);
111 static void glTexCoord2f(void *, float, float);
112 static void glTexCoord3f(void *, float, float, float);
113 static void glTexCoord4f(void *, float, float, float, float);
114 static void glMultiTexCoord4f(void *, unsigned, float, float, float, float);
116 static void glActiveTexture(void *, unsigned);
117 static void glBindTexture(void *, GLenum, unsigned);
118 static void glTexImage2D(void *, GLenum, int, int, int, int, int, GLenum, GLenum, const void *);
119 static void glTexParameteri(void *, GLenum, GLenum, int);
120 static void glTexParameteriv(void *, GLenum, GLenum, const int *);
121 static void glDeleteTextures(void *, int, const unsigned *);
123 static void glVertexPointer(void *, int, GLenum, int, const void *);
124 static void glNormalPointer(void *, GLenum, int, const void *);
125 static void glColorPointer(void *, int, GLenum, int, const void *);
126 static void glClientActiveTexture(void *, unsigned);
127 static void glTexCoordPointer(void *, int, GLenum, int, const void *);
128 static void glVertexAttribPointer(void *, unsigned, int, GLenum, unsigned char, int, const void *);
130 static void glBindBuffer(void *, GLenum, unsigned);
131 static void glBindBufferBase(void *, GLenum, unsigned, unsigned);
132 static void glBindBufferRange(void *, GLenum, unsigned, unsigned, int, int);
133 static void glBufferData(void *, GLenum, int, const void *, GLenum);
134 static void glBufferSubData(void *, GLenum, int, int, const void *);
135 static void glDeleteBuffers(void *, int, const unsigned *);
137 static void glDrawElements(void *, GLenum, int, GLenum, const void *);
138 static void glDrawRangeElements(void *, GLenum, unsigned, unsigned, int, GLenum, const void *);
140 static void glCreateShader(void *, unsigned, GLenum);
141 static void glShaderSource(void *, unsigned, int, const char **, const int *);
142 static void glCompileShader(void *, unsigned);
143 static void glGetShaderiv(void *, unsigned, GLenum, int *);
144 static void glGetShaderInfoLog(void *, unsigned, int, int *, char *);
145 static void glDeleteShader(void *, unsigned);
146 static void glCreateProgram(void *, unsigned);
147 static void glAttachShader(void *, unsigned, unsigned);
148 static void glLinkProgram(void *, unsigned);
149 static void glGetProgramiv(void *, unsigned, GLenum, int *);
150 static void glGetProgramInfoLog(void *, unsigned, int, int *, char *);
151 static void glDeleteProgram(void *, unsigned);
152 static void glDeleteObjectARB(void *, unsigned);
153 static void glGetObjectParameterivARB(void *, unsigned, GLenum, int *);
154 static void glGetInfoLogARB(void *, unsigned, int, int *, char *);