12 float normalize<GLubyte>(GLubyte v)
16 float normalize<GLbyte>(GLbyte v)
17 { return (2*v+1)/255.0f; }
19 template<typename T, void (*func)(void *, float)>
20 void wrap_normalized(void *user_data, T v0)
21 { func(user_data, v0); }
23 template<typename T, void (*func)(void *, float, float)>
24 void wrap_normalized(void *user_data, T v0, T v1)
25 { func(user_data, v0, v1); }
27 template<typename T, void (*func)(void *, float, float, float)>
28 void wrap_normalized(void *user_data, T v0, T v1, T v2)
29 { func(user_data, v0, v1, v2); }
31 template<typename T, void (*func)(void *, float, float, float, float)>
32 void wrap_normalized(void *user_data, T v0, T v1, T v2, T v3)
33 { func(user_data, v0, v1, v2, v3); }
35 template<typename T, void (*func)(void *, T)>
36 void wrap_array(void *user_data, const T *v)
37 { func(user_data, v[0]); }
39 template<typename T, void (*func)(void *, T, T)>
40 void wrap_array(void *user_data, const T *v)
41 { func(user_data, v[0], v[1]); }
43 template<typename T, void (*func)(void *, T, T, T)>
44 void wrap_array(void *user_data, const T *v)
45 { func(user_data, v[0], v[1], v[2]); }
47 template<typename T, void (*func)(void *, T, T, T, T)>
48 void wrap_array(void *user_data, const T *v)
49 { func(user_data, v[0], v[1], v[2], v[3]); }
60 x(0), y(0), z(0), w(1)
65 decoder(gldecoder_new(this, NULL)),
71 vertex_array.kind = GL_VERTEX_ARRAY;
72 normal_array.kind = GL_NORMAL_ARRAY;
73 color_array.kind = GL_COLOR_ARRAY;
74 for(unsigned i=0; i<8; ++i)
76 texcoord_arrays[i].kind = GL_TEXTURE_COORD_ARRAY;
77 texcoord_arrays[i].index = i;
80 decoder->glEnableClientState = glEnableClientState;
81 decoder->glDisableClientState = glDisableClientState;
82 decoder->glEnableVertexAttribArray = glEnableVertexAttribArray;
83 decoder->glEnableVertexAttribArrayARB = glEnableVertexAttribArray;
84 decoder->glDisableVertexAttribArray = glDisableVertexAttribArray;
85 decoder->glDisableVertexAttribArrayARB = glDisableVertexAttribArray;
87 decoder->glColor3ub = wrap_normalized<GLubyte, glColor3f>;
88 decoder->glColor3ubv = wrap_array<GLubyte, wrap_normalized<GLubyte, glColor3f> >;
89 decoder->glColor4ub = wrap_normalized<GLubyte, glColor4f>;
90 decoder->glColor4ubv = wrap_array<GLubyte, wrap_normalized<GLubyte, glColor4f> >;
91 decoder->glColor3f = glColor3f;
92 decoder->glColor3fv = wrap_array<float, glColor3f>;
93 decoder->glColor4f = glColor4f;
94 decoder->glColor4fv = wrap_array<float, glColor4f>;
95 decoder->glTexCoord1f = glTexCoord1f;
96 decoder->glTexCoord1fv = wrap_array<float, glTexCoord1f>;
97 decoder->glTexCoord2f = glTexCoord2f;
98 decoder->glTexCoord2fv = wrap_array<float, glTexCoord2f>;
99 decoder->glTexCoord3f = glTexCoord3f;
100 decoder->glTexCoord3fv = wrap_array<float, glTexCoord3f>;
101 decoder->glTexCoord4f = glTexCoord4f;
102 decoder->glTexCoord4fv = wrap_array<float, glTexCoord4f>;
103 decoder->glNormal3f = glNormal3f;
104 decoder->glNormal3fv = wrap_array<float, glNormal3f>;
106 decoder->glActiveTexture = glActiveTexture;
107 decoder->glActiveTextureARB = glActiveTexture;
108 decoder->glBindTexture = glBindTexture;
109 decoder->glTexImage2D = glTexImage2D;
110 decoder->glTexParameteri = glTexParameteri;
111 decoder->glTexParameteriv = glTexParameteriv;
112 decoder->glDeleteTextures = glDeleteTextures;
114 decoder->glVertexPointer = glVertexPointer;
115 decoder->glNormalPointer = glNormalPointer;
116 decoder->glColorPointer = glColorPointer;
117 decoder->glClientActiveTexture = glClientActiveTexture;
118 decoder->glClientActiveTextureARB = glClientActiveTexture;
119 decoder->glTexCoordPointer = glTexCoordPointer;
120 decoder->glVertexAttribPointer = glVertexAttribPointer;
121 decoder->glVertexAttribPointerARB = glVertexAttribPointer;
123 decoder->glBindBuffer = glBindBuffer;
124 decoder->glBindBufferARB = glBindBuffer;
125 decoder->glBufferData = glBufferData;
126 decoder->glBufferDataARB = glBufferData;
127 decoder->glBufferSubData = glBufferSubData;
128 decoder->glBufferSubDataARB = glBufferSubData;
129 decoder->glDeleteBuffers = glDeleteBuffers;
130 decoder->glDeleteBuffersARB = glDeleteBuffers;
132 decoder->glDrawElements = glDrawElements;
133 decoder->glDrawRangeElements = glDrawRangeElements;
134 decoder->glDrawRangeElementsEXT = glDrawRangeElements;
139 gldecoder_delete(decoder);
142 int GlState::decode(const char *data, unsigned len)
144 return gldecoder_decode(decoder, data, len);
147 const TextureState &GlState::get_texture(unsigned id) const
149 TextureMap::const_iterator i = textures.find(id);
150 if(i==textures.end())
151 throw runtime_error("Unknown texture");
155 const BufferState &GlState::get_buffer(unsigned id) const
157 BufferMap::const_iterator i = buffers.find(id);
159 throw runtime_error("Unknown buffer");
163 const ArrayState &GlState::get_array(GLenum array) const
165 if(array==GL_VERTEX_ARRAY)
167 else if(array==GL_NORMAL_ARRAY)
169 else if(array==GL_COLOR_ARRAY)
171 else if(array==GL_TEXTURE_COORD_ARRAY)
172 return texcoord_arrays[client_active_tex];
174 throw logic_error("Invalid array");
177 const ArrayState &GlState::get_texture_coord_array(unsigned index) const
179 return texcoord_arrays[index];
182 const ArrayState &GlState::get_attrib_array(unsigned index) const
184 map<unsigned, ArrayState>::const_iterator i = attrib_arrays.find(index);
185 if(i!=attrib_arrays.end())
188 // XXX Return a dummy?
189 throw runtime_error("Unknown attribute array");
192 const BufferState *GlState::get_current_buffer(GLenum target) const
194 return const_cast<GlState *>(this)->get_current_buffer(target);
197 bool &GlState::get_boolean_state(GLenum state)
199 if(state==GL_VERTEX_ARRAY)
200 return vertex_array.enabled;
201 else if(state==GL_NORMAL_ARRAY)
202 return normal_array.enabled;
203 else if(state==GL_COLOR_ARRAY)
204 return color_array.enabled;
205 else if(state==GL_TEXTURE_COORD_ARRAY)
206 return texcoord_arrays[client_active_tex].enabled;
212 TextureState *GlState::get_current_texture(GLenum target)
214 return texunits[active_tex].get_current_texture(target);
217 BufferState *GlState::get_current_buffer(GLenum target)
219 if(target==GL_ARRAY_BUFFER)
221 else if(target==GL_ELEMENT_ARRAY_BUFFER)
222 return element_buffer;
226 void GlState::set_current_texture(GLenum target, unsigned id)
228 TexUnitState &unit = texunits[active_tex];
229 TextureState *tex = 0;
236 tex->target = target;
238 else if(tex->target!=target)
241 unit.set_current_texture(target, tex);
244 void GlState::set_current_buffer(GLenum target, unsigned id)
246 BufferState *buf = 0;
254 if(target==GL_ARRAY_BUFFER)
256 else if(target==GL_ELEMENT_ARRAY_BUFFER)
257 element_buffer = buf;
260 ArrayState &GlState::get_attrib_array(unsigned index)
262 map<unsigned, ArrayState>::iterator i = attrib_arrays.find(index);
263 if(i!=attrib_arrays.end())
266 ArrayState &array = attrib_arrays[index];
274 void GlState::glEnableClientState(void *user_data, GLenum state)
276 reinterpret_cast<GlState *>(user_data)->get_boolean_state(state) = true;
279 void GlState::glDisableClientState(void *user_data, GLenum state)
281 reinterpret_cast<GlState *>(user_data)->get_boolean_state(state) = false;
284 void GlState::glEnableVertexAttribArray(void *user_data, unsigned index)
286 reinterpret_cast<GlState *>(user_data)->attrib_arrays[index].enabled = true;
289 void GlState::glDisableVertexAttribArray(void *user_data, unsigned index)
291 reinterpret_cast<GlState *>(user_data)->attrib_arrays[index].enabled = false;
296 void GlState::glColor3f(void *user_data, float r, float g, float b)
297 { glColor4f(user_data, r, g, b, 1.0f); }
299 void GlState::glColor4f(void *user_data, float r, float g, float b, float a)
301 Vector4 &color = reinterpret_cast<GlState *>(user_data)->color;
308 void GlState::glNormal3f(void *user_data, float x, float y, float z)
310 Vector3 &normal = reinterpret_cast<GlState *>(user_data)->normal;
316 void GlState::glTexCoord1f(void *user_data, float s)
317 { glTexCoord4f(user_data, s, 0.0f, 0.0f, 1.0f); }
319 void GlState::glTexCoord2f(void *user_data, float s, float t)
320 { glTexCoord4f(user_data, s, t, 0.0f, 1.0f); }
322 void GlState::glTexCoord3f(void *user_data, float s, float t, float p)
323 { glTexCoord4f(user_data, s, t, p, 1.0f); }
325 void GlState::glTexCoord4f(void *user_data, float s, float t, float p, float q)
327 unsigned index = reinterpret_cast<GlState *>(user_data)->active_tex;
328 glMultiTexCoord4f(user_data, index, s, t, p, q);
331 void GlState::glMultiTexCoord4f(void *user_data, unsigned index, float s, float t, float p, float q)
333 Vector4 &texcoord = reinterpret_cast<GlState *>(user_data)->texcoord[index];
342 void GlState::glActiveTexture(void *user_data, unsigned index)
344 reinterpret_cast<GlState *>(user_data)->active_tex = index-GL_TEXTURE0;
347 void GlState::glBindTexture(void *user_data, GLenum target, unsigned id)
349 reinterpret_cast<GlState *>(user_data)->set_current_texture(target, id);
352 void GlState::glTexImage2D(void *user_data, GLenum target, int level, int ifmt, int width, int height, int, GLenum, GLenum, const void *)
354 if(TextureState *tex = reinterpret_cast<GlState *>(user_data)->get_current_texture(target))
355 tex->set_image_2d(level, ifmt, width, height);
358 void GlState::glTexParameteri(void *user_data, GLenum target, GLenum param, int value)
359 { glTexParameteriv(user_data, target, param, &value); }
361 void GlState::glTexParameteriv(void *user_data, GLenum target, GLenum param, const int *values)
363 if(TextureState *tex = reinterpret_cast<GlState *>(user_data)->get_current_texture(target))
364 tex->set_parameter(param, values);
367 void GlState::glDeleteTextures(void *user_data, int count, const unsigned *ids)
369 for(int i=0; i<count; ++i)
370 reinterpret_cast<GlState *>(user_data)->textures.erase(ids[i]);
375 void GlState::glVertexPointer(void *user_data, int size, GLenum type, int stride, const void *data)
377 GlState *self = reinterpret_cast<GlState *>(user_data);
378 self->vertex_array.set(size, type, false, stride, self->array_buffer, reinterpret_cast<long>(data));
381 void GlState::glNormalPointer(void *user_data, GLenum type, int stride, const void *data)
383 GlState *self = reinterpret_cast<GlState *>(user_data);
384 self->normal_array.set(3, type, true, stride, self->array_buffer, reinterpret_cast<long>(data));
387 void GlState::glColorPointer(void *user_data, int size, GLenum type, int stride, const void *data)
389 GlState *self = reinterpret_cast<GlState *>(user_data);
390 self->color_array.set(size, type, true, stride, self->array_buffer, reinterpret_cast<long>(data));
393 void GlState::glClientActiveTexture(void *user_data, unsigned index)
395 reinterpret_cast<GlState *>(user_data)->client_active_tex = index-GL_TEXTURE0;
398 void GlState::glTexCoordPointer(void *user_data, int size, GLenum type, int stride, const void *data)
400 GlState *self = reinterpret_cast<GlState *>(user_data);
401 self->texcoord_arrays[self->client_active_tex].set(size, type, false, stride, self->array_buffer, reinterpret_cast<long>(data));
404 void GlState::glVertexAttribPointer(void *user_data, unsigned index, int size, GLenum type, unsigned char norm, int stride, const void *data)
406 GlState *self = reinterpret_cast<GlState *>(user_data);
407 self->get_attrib_array(index).set(size, type, norm, stride, self->array_buffer, reinterpret_cast<long>(data));
412 void GlState::glBindBuffer(void *user_data, GLenum target, unsigned id)
413 { reinterpret_cast<GlState *>(user_data)->set_current_buffer(target, id); }
415 void GlState::glBufferData(void *user_data, GLenum target, int size, const void *data, GLenum usage)
417 if(BufferState *buf = reinterpret_cast<GlState *>(user_data)->get_current_buffer(target))
418 buf->set_data(size, data, usage);
421 void GlState::glBufferSubData(void *user_data, GLenum target, int offset, int size, const void *data)
423 if(BufferState *buf = reinterpret_cast<GlState *>(user_data)->get_current_buffer(target))
424 buf->set_sub_data(offset, size, data);
427 void GlState::glDeleteBuffers(void *user_data, int count, const unsigned *ids)
429 for(int i=0; i<count; ++i)
430 reinterpret_cast<GlState *>(user_data)->buffers.erase(ids[i]);
433 void GlState::glDrawElements(void *user_data, GLenum, int, GLenum type, const void *)
435 if(BufferState *buf = reinterpret_cast<GlState *>(user_data)->element_buffer)
436 buf->content.update_elements(type);
439 void GlState::glDrawRangeElements(void *user_data, GLenum, unsigned, unsigned, int, GLenum type, const void *)
441 if(BufferState *buf = reinterpret_cast<GlState *>(user_data)->element_buffer)
442 buf->content.update_elements(type);