6 #include "arraystate.h"
7 #include "bufferstate.h"
9 #include "texturestate.h"
20 union { float x, r, s; };
21 union { float y, g, t; };
22 union { float z, b, p; };
23 union { float w, a, q; };
29 Tracks OpenGL state based on the command stream. This class is essentially a
30 (partial) OpenGL implementation in itself.
32 XXX Should determine the number of texture units the target implementation
38 typedef std::map<unsigned, TextureState> TextureMap;
39 typedef std::map<unsigned, BufferState> BufferMap;
47 unsigned client_active_tex;
49 TexUnitState texunits[8];
51 BufferState *array_buffer;
52 BufferState *element_buffer;
53 BufferState *uniform_buffer;
54 std::vector<BufferBindingState> uniform_bind_points;
55 ArrayState vertex_array;
56 ArrayState normal_array;
57 ArrayState color_array;
58 ArrayState texcoord_arrays[8];
59 std::map<unsigned, ArrayState> attrib_arrays;
65 int decode(const char *, unsigned);
66 const Vector4 &get_color() const { return color; }
67 const Vector4 &get_texcoord(unsigned i) const { return texcoord[i]; }
68 const Vector3 &get_normal() const { return normal; }
69 const TextureMap &get_textures() const { return textures; }
70 const TextureState &get_texture(unsigned) const;
71 const TexUnitState &get_texture_unit(unsigned i) const { return texunits[i]; }
72 const BufferMap &get_buffers() const { return buffers; }
73 const BufferState &get_buffer(unsigned) const;
74 const BufferState *get_current_buffer(GLenum) const;
75 const BufferBindingState &get_buffer_binding(GLenum, unsigned) const;
76 const ArrayState &get_array(GLenum) const;
77 const ArrayState &get_texture_coord_array(unsigned) const;
78 const ArrayState &get_attrib_array(unsigned) const;
80 bool &get_boolean_state(GLenum);
81 TextureState *get_current_texture(GLenum);
82 BufferState *get_buffer_object(unsigned);
83 BufferState *get_current_buffer(GLenum);
84 BufferBindingState *get_buffer_binding(GLenum, unsigned);
85 void set_current_texture(GLenum, unsigned);
86 void set_current_buffer(GLenum, unsigned);
87 ArrayState &get_attrib_array(unsigned);
89 static void glEnableClientState(void *, GLenum);
90 static void glDisableClientState(void *, GLenum);
91 static void glEnableVertexAttribArray(void *, unsigned);
92 static void glDisableVertexAttribArray(void *, unsigned);
94 static void glColor3f(void *, float, float, float);
95 static void glColor4f(void *, float, float, float, float);
96 static void glNormal3f(void *, float, float, float);
97 static void glTexCoord1f(void *, float);
98 static void glTexCoord2f(void *, float, float);
99 static void glTexCoord3f(void *, float, float, float);
100 static void glTexCoord4f(void *, float, float, float, float);
101 static void glMultiTexCoord4f(void *, unsigned, float, float, float, float);
103 static void glActiveTexture(void *, unsigned);
104 static void glBindTexture(void *, GLenum, unsigned);
105 static void glTexImage2D(void *, GLenum, int, int, int, int, int, GLenum, GLenum, const void *);
106 static void glTexParameteri(void *, GLenum, GLenum, int);
107 static void glTexParameteriv(void *, GLenum, GLenum, const int *);
108 static void glDeleteTextures(void *, int, const unsigned *);
110 static void glVertexPointer(void *, int, GLenum, int, const void *);
111 static void glNormalPointer(void *, GLenum, int, const void *);
112 static void glColorPointer(void *, int, GLenum, int, const void *);
113 static void glClientActiveTexture(void *, unsigned);
114 static void glTexCoordPointer(void *, int, GLenum, int, const void *);
115 static void glVertexAttribPointer(void *, unsigned, int, GLenum, unsigned char, int, const void *);
117 static void glBindBuffer(void *, GLenum, unsigned);
118 static void glBindBufferBase(void *, GLenum, unsigned, unsigned);
119 static void glBindBufferRange(void *, GLenum, unsigned, unsigned, int, int);
120 static void glBufferData(void *, GLenum, int, const void *, GLenum);
121 static void glBufferSubData(void *, GLenum, int, int, const void *);
122 static void glDeleteBuffers(void *, int, const unsigned *);
124 static void glDrawElements(void *, GLenum, int, GLenum, const void *);
125 static void glDrawRangeElements(void *, GLenum, unsigned, unsigned, int, GLenum, const void *);