3 This file is part of gldbg
4 Copyright © 2009-2011 Mikko Rasa, Mikkosoft Productions
5 Distributed under the GPL
19 float normalize<GLubyte>(GLubyte v)
23 float normalize<GLbyte>(GLbyte v)
24 { return (2*v+1)/255.0f; }
26 template<typename T, void (*func)(void *, float)>
27 void wrap_normalized(void *user_data, T v0)
28 { func(user_data, v0); }
30 template<typename T, void (*func)(void *, float, float)>
31 void wrap_normalized(void *user_data, T v0, T v1)
32 { func(user_data, v0, v1); }
34 template<typename T, void (*func)(void *, float, float, float)>
35 void wrap_normalized(void *user_data, T v0, T v1, T v2)
36 { func(user_data, v0, v1, v2); }
38 template<typename T, void (*func)(void *, float, float, float, float)>
39 void wrap_normalized(void *user_data, T v0, T v1, T v2, T v3)
40 { func(user_data, v0, v1, v2, v3); }
42 template<typename T, void (*func)(void *, T)>
43 void wrap_array(void *user_data, const T *v)
44 { func(user_data, v[0]); }
46 template<typename T, void (*func)(void *, T, T)>
47 void wrap_array(void *user_data, const T *v)
48 { func(user_data, v[0], v[1]); }
50 template<typename T, void (*func)(void *, T, T, T)>
51 void wrap_array(void *user_data, const T *v)
52 { func(user_data, v[0], v[1], v[2]); }
54 template<typename T, void (*func)(void *, T, T, T, T)>
55 void wrap_array(void *user_data, const T *v)
56 { func(user_data, v[0], v[1], v[2], v[3]); }
67 x(0), y(0), z(0), w(1)
72 decoder(gldecoder_new(this, NULL)),
78 vertex_array.kind = GL_VERTEX_ARRAY;
79 normal_array.kind = GL_NORMAL_ARRAY;
80 color_array.kind = GL_COLOR_ARRAY;
81 for(unsigned i=0; i<8; ++i)
83 texcoord_arrays[i].kind = GL_TEXTURE_COORD_ARRAY;
84 texcoord_arrays[i].index = i;
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;
121 decoder->glBindBuffer = glBindBuffer;
122 decoder->glBindBufferARB = glBindBuffer;
123 decoder->glBufferData = glBufferData;
124 decoder->glBufferDataARB = glBufferData;
125 decoder->glBufferSubData = glBufferSubData;
126 decoder->glBufferSubDataARB = glBufferSubData;
127 decoder->glDeleteBuffers = glDeleteBuffers;
128 decoder->glDeleteBuffersARB = glDeleteBuffers;
130 decoder->glDrawElements = glDrawElements;
131 decoder->glDrawRangeElements = glDrawRangeElements;
132 decoder->glDrawRangeElementsEXT = glDrawRangeElements;
137 gldecoder_delete(decoder);
140 int GlState::decode(const char *data, unsigned len)
142 return gldecoder_decode(decoder, data, len);
145 const TextureState &GlState::get_texture(unsigned id) const
147 TextureMap::const_iterator i = textures.find(id);
148 if(i==textures.end())
149 throw runtime_error("Unknown texture");
153 const BufferState &GlState::get_buffer(unsigned id) const
155 BufferMap::const_iterator i = buffers.find(id);
157 throw runtime_error("Unknown buffer");
161 const BufferState *GlState::get_current_buffer(GLenum target) const
163 return const_cast<GlState *>(this)->get_current_buffer(target);
166 bool &GlState::get_boolean_state(GLenum state)
168 if(state==GL_VERTEX_ARRAY)
169 return vertex_array.enabled;
170 else if(state==GL_NORMAL_ARRAY)
171 return normal_array.enabled;
172 else if(state==GL_COLOR_ARRAY)
173 return color_array.enabled;
174 else if(state==GL_TEXTURE_COORD_ARRAY)
175 return texcoord_arrays[client_active_tex].enabled;
181 TextureState *GlState::get_current_texture(GLenum target)
183 return texunits[active_tex].get_current_texture(target);
186 BufferState *GlState::get_current_buffer(GLenum target)
188 if(target==GL_ARRAY_BUFFER)
190 else if(target==GL_ELEMENT_ARRAY_BUFFER)
191 return element_buffer;
195 const ArrayState &GlState::get_array(GLenum array) const
197 if(array==GL_VERTEX_ARRAY)
199 else if(array==GL_NORMAL_ARRAY)
201 else if(array==GL_COLOR_ARRAY)
203 else if(array==GL_TEXTURE_COORD_ARRAY)
204 return texcoord_arrays[client_active_tex];
206 throw logic_error("Invalid array");
209 const ArrayState &GlState::get_texture_coord_array(unsigned index) const
211 return texcoord_arrays[index];
214 const ArrayState &GlState::get_attrib_array(unsigned index) const
216 map<unsigned, ArrayState>::const_iterator i = attrib_arrays.find(index);
217 if(i!=attrib_arrays.end())
220 // XXX Return a dummy?
221 throw runtime_error("Unknown attribute array");
224 void GlState::set_current_texture(GLenum target, unsigned id)
226 TexUnitState &unit = texunits[active_tex];
227 TextureState *tex = 0;
234 tex->target = target;
236 else if(tex->target!=target)
239 unit.set_current_texture(target, tex);
242 void GlState::set_current_buffer(GLenum target, unsigned id)
244 BufferState *buf = 0;
252 if(target==GL_ARRAY_BUFFER)
254 else if(target==GL_ELEMENT_ARRAY_BUFFER)
255 element_buffer = buf;
260 void GlState::glEnableClientState(void *user_data, GLenum state)
262 reinterpret_cast<GlState *>(user_data)->get_boolean_state(state) = true;
265 void GlState::glDisableClientState(void *user_data, GLenum state)
267 reinterpret_cast<GlState *>(user_data)->get_boolean_state(state) = false;
270 void GlState::glEnableVertexAttribArray(void *user_data, unsigned index)
272 reinterpret_cast<GlState *>(user_data)->attrib_arrays[index].enabled = true;
275 void GlState::glDisableVertexAttribArray(void *user_data, unsigned index)
277 reinterpret_cast<GlState *>(user_data)->attrib_arrays[index].enabled = false;
282 void GlState::glColor3f(void *user_data, float r, float g, float b)
283 { glColor4f(user_data, r, g, b, 1.0f); }
285 void GlState::glColor4f(void *user_data, float r, float g, float b, float a)
287 Vector4 &color = reinterpret_cast<GlState *>(user_data)->color;
294 void GlState::glNormal3f(void *user_data, float x, float y, float z)
296 Vector3 &normal = reinterpret_cast<GlState *>(user_data)->normal;
302 void GlState::glTexCoord1f(void *user_data, float s)
303 { glTexCoord4f(user_data, s, 0.0f, 0.0f, 1.0f); }
305 void GlState::glTexCoord2f(void *user_data, float s, float t)
306 { glTexCoord4f(user_data, s, t, 0.0f, 1.0f); }
308 void GlState::glTexCoord3f(void *user_data, float s, float t, float p)
309 { glTexCoord4f(user_data, s, t, p, 1.0f); }
311 void GlState::glTexCoord4f(void *user_data, float s, float t, float p, float q)
313 unsigned index = reinterpret_cast<GlState *>(user_data)->active_tex;
314 glMultiTexCoord4f(user_data, index, s, t, p, q);
317 void GlState::glMultiTexCoord4f(void *user_data, unsigned index, float s, float t, float p, float q)
319 Vector4 &texcoord = reinterpret_cast<GlState *>(user_data)->texcoord[index];
328 void GlState::glActiveTexture(void *user_data, unsigned index)
330 reinterpret_cast<GlState *>(user_data)->active_tex = index-GL_TEXTURE0;
333 void GlState::glBindTexture(void *user_data, GLenum target, unsigned id)
335 reinterpret_cast<GlState *>(user_data)->set_current_texture(target, id);
338 void GlState::glTexImage2D(void *user_data, GLenum target, int level, int ifmt, int width, int height, int, GLenum, GLenum, const void *)
340 if(TextureState *tex = reinterpret_cast<GlState *>(user_data)->get_current_texture(target))
341 tex->set_image_2d(level, ifmt, width, height);
344 void GlState::glTexParameteri(void *user_data, GLenum target, GLenum param, int value)
345 { glTexParameteriv(user_data, target, param, &value); }
347 void GlState::glTexParameteriv(void *user_data, GLenum target, GLenum param, const int *values)
349 if(TextureState *tex = reinterpret_cast<GlState *>(user_data)->get_current_texture(target))
350 tex->set_parameter(param, values);
353 void GlState::glDeleteTextures(void *user_data, int count, const unsigned *ids)
355 for(int i=0; i<count; ++i)
356 reinterpret_cast<GlState *>(user_data)->textures.erase(ids[i]);
361 void GlState::glVertexPointer(void *user_data, int size, GLenum type, int stride, const void *data)
363 GlState *self = reinterpret_cast<GlState *>(user_data);
364 self->vertex_array.set(size, type, false, stride, self->array_buffer, reinterpret_cast<long>(data));
367 void GlState::glNormalPointer(void *user_data, GLenum type, int stride, const void *data)
369 GlState *self = reinterpret_cast<GlState *>(user_data);
370 self->normal_array.set(3, type, true, stride, self->array_buffer, reinterpret_cast<long>(data));
373 void GlState::glColorPointer(void *user_data, int size, GLenum type, int stride, const void *data)
375 GlState *self = reinterpret_cast<GlState *>(user_data);
376 self->color_array.set(size, type, true, stride, self->array_buffer, reinterpret_cast<long>(data));
379 void GlState::glClientActiveTexture(void *user_data, unsigned index)
381 reinterpret_cast<GlState *>(user_data)->client_active_tex = index-GL_TEXTURE0;
384 void GlState::glTexCoordPointer(void *user_data, int size, GLenum type, int stride, const void *data)
386 GlState *self = reinterpret_cast<GlState *>(user_data);
387 self->texcoord_arrays[self->client_active_tex].set(size, type, false, stride, self->array_buffer, reinterpret_cast<long>(data));
390 void GlState::glVertexAttribPointer(void *user_data, unsigned index, int size, GLenum type, int norm, int stride, const void *data)
392 GlState *self = reinterpret_cast<GlState *>(user_data);
393 self->attrib_arrays[index].set(size, type, norm, stride, self->array_buffer, reinterpret_cast<long>(data));
398 void GlState::glBindBuffer(void *user_data, GLenum target, unsigned id)
399 { reinterpret_cast<GlState *>(user_data)->set_current_buffer(target, id); }
401 void GlState::glBufferData(void *user_data, GLenum target, int size, const void *data, GLenum usage)
403 if(BufferState *buf = reinterpret_cast<GlState *>(user_data)->get_current_buffer(target))
404 buf->set_data(size, data, usage);
407 void GlState::glBufferSubData(void *user_data, GLenum target, int offset, int size, const void *data)
409 if(BufferState *buf = reinterpret_cast<GlState *>(user_data)->get_current_buffer(target))
410 buf->set_sub_data(offset, size, data);
413 void GlState::glDeleteBuffers(void *user_data, int count, const unsigned *ids)
415 for(int i=0; i<count; ++i)
416 reinterpret_cast<GlState *>(user_data)->buffers.erase(ids[i]);
419 void GlState::glDrawElements(void *user_data, GLenum, int, GLenum type, const void *)
421 if(BufferState *buf = reinterpret_cast<GlState *>(user_data)->element_buffer)
422 buf->content.update_elements(type);
425 void GlState::glDrawRangeElements(void *user_data, GLenum, unsigned, unsigned, int, GLenum type, const void *)
427 if(BufferState *buf = reinterpret_cast<GlState *>(user_data)->element_buffer)
428 buf->content.update_elements(type);