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->glEnableClientState = glEnableClientState;
88 decoder->glDisableClientState = glDisableClientState;
89 decoder->glEnableVertexAttribArray = glEnableVertexAttribArray;
90 decoder->glEnableVertexAttribArrayARB = glEnableVertexAttribArray;
91 decoder->glDisableVertexAttribArray = glDisableVertexAttribArray;
92 decoder->glDisableVertexAttribArrayARB = glDisableVertexAttribArray;
94 decoder->glColor3ub = wrap_normalized<GLubyte, glColor3f>;
95 decoder->glColor3ubv = wrap_array<GLubyte, wrap_normalized<GLubyte, glColor3f> >;
96 decoder->glColor4ub = wrap_normalized<GLubyte, glColor4f>;
97 decoder->glColor4ubv = wrap_array<GLubyte, wrap_normalized<GLubyte, glColor4f> >;
98 decoder->glColor3f = glColor3f;
99 decoder->glColor3fv = wrap_array<float, glColor3f>;
100 decoder->glColor4f = glColor4f;
101 decoder->glColor4fv = wrap_array<float, glColor4f>;
102 decoder->glTexCoord1f = glTexCoord1f;
103 decoder->glTexCoord1fv = wrap_array<float, glTexCoord1f>;
104 decoder->glTexCoord2f = glTexCoord2f;
105 decoder->glTexCoord2fv = wrap_array<float, glTexCoord2f>;
106 decoder->glTexCoord3f = glTexCoord3f;
107 decoder->glTexCoord3fv = wrap_array<float, glTexCoord3f>;
108 decoder->glTexCoord4f = glTexCoord4f;
109 decoder->glTexCoord4fv = wrap_array<float, glTexCoord4f>;
110 decoder->glNormal3f = glNormal3f;
111 decoder->glNormal3fv = wrap_array<float, glNormal3f>;
113 decoder->glActiveTexture = glActiveTexture;
114 decoder->glActiveTextureARB = glActiveTexture;
115 decoder->glBindTexture = glBindTexture;
116 decoder->glTexImage2D = glTexImage2D;
117 decoder->glTexParameteri = glTexParameteri;
118 decoder->glTexParameteriv = glTexParameteriv;
119 decoder->glDeleteTextures = glDeleteTextures;
121 decoder->glVertexPointer = glVertexPointer;
122 decoder->glNormalPointer = glNormalPointer;
123 decoder->glColorPointer = glColorPointer;
124 decoder->glClientActiveTexture = glClientActiveTexture;
125 decoder->glClientActiveTextureARB = glClientActiveTexture;
126 decoder->glTexCoordPointer = glTexCoordPointer;
127 decoder->glVertexAttribPointer = glVertexAttribPointer;
128 decoder->glVertexAttribPointerARB = glVertexAttribPointer;
130 decoder->glBindBuffer = glBindBuffer;
131 decoder->glBindBufferARB = glBindBuffer;
132 decoder->glBufferData = glBufferData;
133 decoder->glBufferDataARB = glBufferData;
134 decoder->glBufferSubData = glBufferSubData;
135 decoder->glBufferSubDataARB = glBufferSubData;
136 decoder->glDeleteBuffers = glDeleteBuffers;
137 decoder->glDeleteBuffersARB = glDeleteBuffers;
139 decoder->glDrawElements = glDrawElements;
140 decoder->glDrawRangeElements = glDrawRangeElements;
141 decoder->glDrawRangeElementsEXT = glDrawRangeElements;
146 gldecoder_delete(decoder);
149 int GlState::decode(const char *data, unsigned len)
151 return gldecoder_decode(decoder, data, len);
154 const TextureState &GlState::get_texture(unsigned id) const
156 TextureMap::const_iterator i = textures.find(id);
157 if(i==textures.end())
158 throw runtime_error("Unknown texture");
162 const BufferState &GlState::get_buffer(unsigned id) const
164 BufferMap::const_iterator i = buffers.find(id);
166 throw runtime_error("Unknown buffer");
170 const ArrayState &GlState::get_array(GLenum array) const
172 if(array==GL_VERTEX_ARRAY)
174 else if(array==GL_NORMAL_ARRAY)
176 else if(array==GL_COLOR_ARRAY)
178 else if(array==GL_TEXTURE_COORD_ARRAY)
179 return texcoord_arrays[client_active_tex];
181 throw logic_error("Invalid array");
184 const ArrayState &GlState::get_texture_coord_array(unsigned index) const
186 return texcoord_arrays[index];
189 const ArrayState &GlState::get_attrib_array(unsigned index) const
191 map<unsigned, ArrayState>::const_iterator i = attrib_arrays.find(index);
192 if(i!=attrib_arrays.end())
195 // XXX Return a dummy?
196 throw runtime_error("Unknown attribute array");
199 const BufferState *GlState::get_current_buffer(GLenum target) const
201 return const_cast<GlState *>(this)->get_current_buffer(target);
204 bool &GlState::get_boolean_state(GLenum state)
206 if(state==GL_VERTEX_ARRAY)
207 return vertex_array.enabled;
208 else if(state==GL_NORMAL_ARRAY)
209 return normal_array.enabled;
210 else if(state==GL_COLOR_ARRAY)
211 return color_array.enabled;
212 else if(state==GL_TEXTURE_COORD_ARRAY)
213 return texcoord_arrays[client_active_tex].enabled;
219 TextureState *GlState::get_current_texture(GLenum target)
221 return texunits[active_tex].get_current_texture(target);
224 BufferState *GlState::get_current_buffer(GLenum target)
226 if(target==GL_ARRAY_BUFFER)
228 else if(target==GL_ELEMENT_ARRAY_BUFFER)
229 return element_buffer;
233 void GlState::set_current_texture(GLenum target, unsigned id)
235 TexUnitState &unit = texunits[active_tex];
236 TextureState *tex = 0;
243 tex->target = target;
245 else if(tex->target!=target)
248 unit.set_current_texture(target, tex);
251 void GlState::set_current_buffer(GLenum target, unsigned id)
253 BufferState *buf = 0;
261 if(target==GL_ARRAY_BUFFER)
263 else if(target==GL_ELEMENT_ARRAY_BUFFER)
264 element_buffer = buf;
267 ArrayState &GlState::get_attrib_array(unsigned index)
269 map<unsigned, ArrayState>::iterator i = attrib_arrays.find(index);
270 if(i!=attrib_arrays.end())
273 ArrayState &array = attrib_arrays[index];
281 void GlState::glEnableClientState(void *user_data, GLenum state)
283 reinterpret_cast<GlState *>(user_data)->get_boolean_state(state) = true;
286 void GlState::glDisableClientState(void *user_data, GLenum state)
288 reinterpret_cast<GlState *>(user_data)->get_boolean_state(state) = false;
291 void GlState::glEnableVertexAttribArray(void *user_data, unsigned index)
293 reinterpret_cast<GlState *>(user_data)->attrib_arrays[index].enabled = true;
296 void GlState::glDisableVertexAttribArray(void *user_data, unsigned index)
298 reinterpret_cast<GlState *>(user_data)->attrib_arrays[index].enabled = false;
303 void GlState::glColor3f(void *user_data, float r, float g, float b)
304 { glColor4f(user_data, r, g, b, 1.0f); }
306 void GlState::glColor4f(void *user_data, float r, float g, float b, float a)
308 Vector4 &color = reinterpret_cast<GlState *>(user_data)->color;
315 void GlState::glNormal3f(void *user_data, float x, float y, float z)
317 Vector3 &normal = reinterpret_cast<GlState *>(user_data)->normal;
323 void GlState::glTexCoord1f(void *user_data, float s)
324 { glTexCoord4f(user_data, s, 0.0f, 0.0f, 1.0f); }
326 void GlState::glTexCoord2f(void *user_data, float s, float t)
327 { glTexCoord4f(user_data, s, t, 0.0f, 1.0f); }
329 void GlState::glTexCoord3f(void *user_data, float s, float t, float p)
330 { glTexCoord4f(user_data, s, t, p, 1.0f); }
332 void GlState::glTexCoord4f(void *user_data, float s, float t, float p, float q)
334 unsigned index = reinterpret_cast<GlState *>(user_data)->active_tex;
335 glMultiTexCoord4f(user_data, index, s, t, p, q);
338 void GlState::glMultiTexCoord4f(void *user_data, unsigned index, float s, float t, float p, float q)
340 Vector4 &texcoord = reinterpret_cast<GlState *>(user_data)->texcoord[index];
349 void GlState::glActiveTexture(void *user_data, unsigned index)
351 reinterpret_cast<GlState *>(user_data)->active_tex = index-GL_TEXTURE0;
354 void GlState::glBindTexture(void *user_data, GLenum target, unsigned id)
356 reinterpret_cast<GlState *>(user_data)->set_current_texture(target, id);
359 void GlState::glTexImage2D(void *user_data, GLenum target, int level, int ifmt, int width, int height, int, GLenum, GLenum, const void *)
361 if(TextureState *tex = reinterpret_cast<GlState *>(user_data)->get_current_texture(target))
362 tex->set_image_2d(level, ifmt, width, height);
365 void GlState::glTexParameteri(void *user_data, GLenum target, GLenum param, int value)
366 { glTexParameteriv(user_data, target, param, &value); }
368 void GlState::glTexParameteriv(void *user_data, GLenum target, GLenum param, const int *values)
370 if(TextureState *tex = reinterpret_cast<GlState *>(user_data)->get_current_texture(target))
371 tex->set_parameter(param, values);
374 void GlState::glDeleteTextures(void *user_data, int count, const unsigned *ids)
376 for(int i=0; i<count; ++i)
377 reinterpret_cast<GlState *>(user_data)->textures.erase(ids[i]);
382 void GlState::glVertexPointer(void *user_data, int size, GLenum type, int stride, const void *data)
384 GlState *self = reinterpret_cast<GlState *>(user_data);
385 self->vertex_array.set(size, type, false, stride, self->array_buffer, reinterpret_cast<long>(data));
388 void GlState::glNormalPointer(void *user_data, GLenum type, int stride, const void *data)
390 GlState *self = reinterpret_cast<GlState *>(user_data);
391 self->normal_array.set(3, type, true, stride, self->array_buffer, reinterpret_cast<long>(data));
394 void GlState::glColorPointer(void *user_data, int size, GLenum type, int stride, const void *data)
396 GlState *self = reinterpret_cast<GlState *>(user_data);
397 self->color_array.set(size, type, true, stride, self->array_buffer, reinterpret_cast<long>(data));
400 void GlState::glClientActiveTexture(void *user_data, unsigned index)
402 reinterpret_cast<GlState *>(user_data)->client_active_tex = index-GL_TEXTURE0;
405 void GlState::glTexCoordPointer(void *user_data, int size, GLenum type, int stride, const void *data)
407 GlState *self = reinterpret_cast<GlState *>(user_data);
408 self->texcoord_arrays[self->client_active_tex].set(size, type, false, stride, self->array_buffer, reinterpret_cast<long>(data));
411 void GlState::glVertexAttribPointer(void *user_data, unsigned index, int size, GLenum type, unsigned char norm, int stride, const void *data)
413 GlState *self = reinterpret_cast<GlState *>(user_data);
414 self->get_attrib_array(index).set(size, type, norm, stride, self->array_buffer, reinterpret_cast<long>(data));
419 void GlState::glBindBuffer(void *user_data, GLenum target, unsigned id)
420 { reinterpret_cast<GlState *>(user_data)->set_current_buffer(target, id); }
422 void GlState::glBufferData(void *user_data, GLenum target, int size, const void *data, GLenum usage)
424 if(BufferState *buf = reinterpret_cast<GlState *>(user_data)->get_current_buffer(target))
425 buf->set_data(size, data, usage);
428 void GlState::glBufferSubData(void *user_data, GLenum target, int offset, int size, const void *data)
430 if(BufferState *buf = reinterpret_cast<GlState *>(user_data)->get_current_buffer(target))
431 buf->set_sub_data(offset, size, data);
434 void GlState::glDeleteBuffers(void *user_data, int count, const unsigned *ids)
436 for(int i=0; i<count; ++i)
437 reinterpret_cast<GlState *>(user_data)->buffers.erase(ids[i]);
440 void GlState::glDrawElements(void *user_data, GLenum, int, GLenum type, const void *)
442 if(BufferState *buf = reinterpret_cast<GlState *>(user_data)->element_buffer)
443 buf->content.update_elements(type);
446 void GlState::glDrawRangeElements(void *user_data, GLenum, unsigned, unsigned, int, GLenum type, const void *)
448 if(BufferState *buf = reinterpret_cast<GlState *>(user_data)->element_buffer)
449 buf->content.update_elements(type);