3 This file is part of gldbg
4 Copyright © 2009-2010 Mikko Rasa, Mikkosoft Productions
5 Distributed under the GPL
8 #include <msp/core/except.h>
20 float normalize<GLubyte>(GLubyte v)
24 float normalize<GLbyte>(GLbyte v)
25 { return (2*v+1)/255.0f; }
27 template<typename T, void (*func)(void *, float)>
28 void wrap_normalized(void *user_data, T v0)
29 { func(user_data, v0); }
31 template<typename T, void (*func)(void *, float, float)>
32 void wrap_normalized(void *user_data, T v0, T v1)
33 { func(user_data, v0, v1); }
35 template<typename T, void (*func)(void *, float, float, float)>
36 void wrap_normalized(void *user_data, T v0, T v1, T v2)
37 { func(user_data, v0, v1, v2); }
39 template<typename T, void (*func)(void *, float, float, float, float)>
40 void wrap_normalized(void *user_data, T v0, T v1, T v2, T v3)
41 { func(user_data, v0, v1, v2, v3); }
43 template<typename T, void (*func)(void *, T)>
44 void wrap_array(void *user_data, const T *v)
45 { func(user_data, v[0]); }
47 template<typename T, void (*func)(void *, T, T)>
48 void wrap_array(void *user_data, const T *v)
49 { func(user_data, v[0], v[1]); }
51 template<typename T, void (*func)(void *, T, T, T)>
52 void wrap_array(void *user_data, const T *v)
53 { func(user_data, v[0], v[1], v[2]); }
55 template<typename T, void (*func)(void *, T, T, T, T)>
56 void wrap_array(void *user_data, const T *v)
57 { func(user_data, v[0], v[1], v[2], v[3]); }
68 x(0), y(0), z(0), w(1)
73 decoder(gldecoder_new(this, NULL)),
79 vertex_array.kind = GL_VERTEX_ARRAY;
80 normal_array.kind = GL_NORMAL_ARRAY;
81 color_array.kind = GL_COLOR_ARRAY;
82 for(unsigned i=0; i<8; ++i)
84 texcoord_arrays[i].kind = GL_TEXTURE_COORD_ARRAY;
85 texcoord_arrays[i].index = i;
88 decoder->glColor3ub = wrap_normalized<GLubyte, glColor3f>;
89 decoder->glColor3ubv = wrap_array<GLubyte, wrap_normalized<GLubyte, glColor3f> >;
90 decoder->glColor4ub = wrap_normalized<GLubyte, glColor4f>;
91 decoder->glColor4ubv = wrap_array<GLubyte, wrap_normalized<GLubyte, glColor4f> >;
92 decoder->glColor3f = glColor3f;
93 decoder->glColor3fv = wrap_array<float, glColor3f>;
94 decoder->glColor4f = glColor4f;
95 decoder->glColor4fv = wrap_array<float, glColor4f>;
96 decoder->glTexCoord1f = glTexCoord1f;
97 decoder->glTexCoord1fv = wrap_array<float, glTexCoord1f>;
98 decoder->glTexCoord2f = glTexCoord2f;
99 decoder->glTexCoord2fv = wrap_array<float, glTexCoord2f>;
100 decoder->glTexCoord3f = glTexCoord3f;
101 decoder->glTexCoord3fv = wrap_array<float, glTexCoord3f>;
102 decoder->glTexCoord4f = glTexCoord4f;
103 decoder->glTexCoord4fv = wrap_array<float, glTexCoord4f>;
104 decoder->glNormal3f = glNormal3f;
105 decoder->glNormal3fv = wrap_array<float, glNormal3f>;
107 decoder->glActiveTexture = glActiveTexture;
108 decoder->glActiveTextureARB = glActiveTexture;
109 decoder->glBindTexture = glBindTexture;
110 decoder->glTexImage2D = glTexImage2D;
111 decoder->glTexParameteri = glTexParameteri;
112 decoder->glTexParameteriv = glTexParameteriv;
113 decoder->glDeleteTextures = glDeleteTextures;
115 decoder->glVertexPointer = glVertexPointer;
116 decoder->glNormalPointer = glNormalPointer;
117 decoder->glColorPointer = glColorPointer;
118 decoder->glClientActiveTexture = glClientActiveTexture;
119 decoder->glClientActiveTextureARB = glClientActiveTexture;
120 decoder->glTexCoordPointer = glTexCoordPointer;
122 decoder->glBindBuffer = glBindBuffer;
123 decoder->glBindBufferARB = glBindBuffer;
124 decoder->glBufferData = glBufferData;
125 decoder->glBufferDataARB = glBufferData;
126 decoder->glBufferSubData = glBufferSubData;
127 decoder->glBufferSubDataARB = glBufferSubData;
128 decoder->glDeleteBuffers = glDeleteBuffers;
129 decoder->glDeleteBuffersARB = glDeleteBuffers;
134 gldecoder_delete(decoder);
137 int GlState::decode(const char *data, unsigned len)
139 return gldecoder_decode(decoder, data, len);
142 const TextureState &GlState::get_texture(unsigned id) const
144 TextureMap::const_iterator i = textures.find(id);
145 if(i==textures.end())
146 throw KeyError("Unknown texture");
150 const BufferState &GlState::get_buffer(unsigned id) const
152 BufferMap::const_iterator i = buffers.find(id);
154 throw KeyError("Unknown buffer");
158 const BufferState *GlState::get_current_buffer(GLenum target) const
160 return const_cast<GlState *>(this)->get_current_buffer(target);
163 bool &GlState::get_boolean_state(GLenum state)
165 if(state==GL_VERTEX_ARRAY)
166 return vertex_array.enabled;
167 else if(state==GL_NORMAL_ARRAY)
168 return normal_array.enabled;
169 else if(state==GL_COLOR_ARRAY)
170 return color_array.enabled;
171 else if(state==GL_TEXTURE_COORD_ARRAY)
172 return texcoord_arrays[client_active_tex].enabled;
178 TextureState *GlState::get_current_texture(GLenum target)
180 return texunits[active_tex].get_current_texture(target);
183 BufferState *GlState::get_current_buffer(GLenum target)
185 if(target==GL_ARRAY_BUFFER)
187 else if(target==GL_ELEMENT_ARRAY_BUFFER)
188 return element_buffer;
192 const ArrayState &GlState::get_array(GLenum array) const
194 if(array==GL_VERTEX_ARRAY)
196 else if(array==GL_NORMAL_ARRAY)
198 else if(array==GL_COLOR_ARRAY)
200 else if(array==GL_TEXTURE_COORD_ARRAY)
201 return texcoord_arrays[client_active_tex];
203 throw InvalidParameterValue("Invalid array");
206 const ArrayState &GlState::get_texture_coord_array(unsigned index) const
208 return texcoord_arrays[index];
211 const ArrayState &GlState::get_attrib_array(unsigned index) const
213 map<unsigned, ArrayState>::const_iterator i = attrib_arrays.find(index);
214 if(i!=attrib_arrays.end())
217 // XXX Return a dummy?
218 throw KeyError("Unknown attribute array");
221 void GlState::set_current_texture(GLenum target, unsigned id)
223 TexUnitState &unit = texunits[active_tex];
224 TextureState *tex = 0;
231 tex->target = target;
233 else if(tex->target!=target)
236 unit.set_current_texture(target, tex);
239 void GlState::set_current_buffer(GLenum target, unsigned id)
241 BufferState *buf = 0;
249 if(target==GL_ARRAY_BUFFER)
251 else if(target==GL_ELEMENT_ARRAY_BUFFER)
252 element_buffer = buf;
257 void GlState::glEnableClientState(void *user_data, GLenum state)
259 reinterpret_cast<GlState *>(user_data)->get_boolean_state(state) = true;
262 void GlState::glDisableClientState(void *user_data, GLenum state)
264 reinterpret_cast<GlState *>(user_data)->get_boolean_state(state) = false;
267 void GlState::glEnableVertexAttribArray(void *user_data, unsigned index)
269 reinterpret_cast<GlState *>(user_data)->attrib_arrays[index].enabled = true;
272 void GlState::glDisableVertexAttribArray(void *user_data, unsigned index)
274 reinterpret_cast<GlState *>(user_data)->attrib_arrays[index].enabled = false;
279 void GlState::glColor3f(void *user_data, float r, float g, float b)
280 { glColor4f(user_data, r, g, b, 1.0f); }
282 void GlState::glColor4f(void *user_data, float r, float g, float b, float a)
284 Vector4 &color = reinterpret_cast<GlState *>(user_data)->color;
291 void GlState::glNormal3f(void *user_data, float x, float y, float z)
293 Vector3 &normal = reinterpret_cast<GlState *>(user_data)->normal;
299 void GlState::glTexCoord1f(void *user_data, float s)
300 { glTexCoord4f(user_data, s, 0.0f, 0.0f, 1.0f); }
302 void GlState::glTexCoord2f(void *user_data, float s, float t)
303 { glTexCoord4f(user_data, s, t, 0.0f, 1.0f); }
305 void GlState::glTexCoord3f(void *user_data, float s, float t, float p)
306 { glTexCoord4f(user_data, s, t, p, 1.0f); }
308 void GlState::glTexCoord4f(void *user_data, float s, float t, float p, float q)
310 unsigned index = reinterpret_cast<GlState *>(user_data)->active_tex;
311 glMultiTexCoord4f(user_data, index, s, t, p, q);
314 void GlState::glMultiTexCoord4f(void *user_data, unsigned index, float s, float t, float p, float q)
316 Vector4 &texcoord = reinterpret_cast<GlState *>(user_data)->texcoord[index];
325 void GlState::glActiveTexture(void *user_data, unsigned index)
327 reinterpret_cast<GlState *>(user_data)->active_tex = index-GL_TEXTURE0;
330 void GlState::glBindTexture(void *user_data, GLenum target, unsigned id)
332 reinterpret_cast<GlState *>(user_data)->set_current_texture(target, id);
335 void GlState::glTexImage2D(void *user_data, GLenum target, int level, int ifmt, int width, int height, int, GLenum, GLenum, const void *)
337 if(TextureState *tex = reinterpret_cast<GlState *>(user_data)->get_current_texture(target))
338 tex->set_image_2d(level, ifmt, width, height);
341 void GlState::glTexParameteri(void *user_data, GLenum target, GLenum param, int value)
342 { glTexParameteriv(user_data, target, param, &value); }
344 void GlState::glTexParameteriv(void *user_data, GLenum target, GLenum param, const int *values)
346 if(TextureState *tex = reinterpret_cast<GlState *>(user_data)->get_current_texture(target))
347 tex->set_parameter(param, values);
350 void GlState::glDeleteTextures(void *user_data, int count, const unsigned *ids)
352 for(int i=0; i<count; ++i)
353 reinterpret_cast<GlState *>(user_data)->textures.erase(ids[i]);
358 void GlState::glVertexPointer(void *user_data, int size, GLenum type, int stride, const void *data)
360 GlState *self = reinterpret_cast<GlState *>(user_data);
361 self->vertex_array.set(size, type, false, stride, self->array_buffer, reinterpret_cast<long>(data));
364 void GlState::glNormalPointer(void *user_data, GLenum type, int stride, const void *data)
366 GlState *self = reinterpret_cast<GlState *>(user_data);
367 self->normal_array.set(3, type, true, stride, self->array_buffer, reinterpret_cast<long>(data));
370 void GlState::glColorPointer(void *user_data, int size, GLenum type, int stride, const void *data)
372 GlState *self = reinterpret_cast<GlState *>(user_data);
373 self->color_array.set(size, type, true, stride, self->array_buffer, reinterpret_cast<long>(data));
376 void GlState::glClientActiveTexture(void *user_data, unsigned index)
378 reinterpret_cast<GlState *>(user_data)->client_active_tex = index-GL_TEXTURE0;
381 void GlState::glTexCoordPointer(void *user_data, int size, GLenum type, int stride, const void *data)
383 GlState *self = reinterpret_cast<GlState *>(user_data);
384 self->texcoord_arrays[self->client_active_tex].set(size, type, false, stride, self->array_buffer, reinterpret_cast<long>(data));
387 void GlState::glVertexAttribPointer(void *user_data, unsigned index, int size, GLenum type, int norm, int stride, const void *data)
389 GlState *self = reinterpret_cast<GlState *>(user_data);
390 self->attrib_arrays[index].set(size, type, norm, stride, self->array_buffer, reinterpret_cast<long>(data));
395 void GlState::glBindBuffer(void *user_data, GLenum target, unsigned id)
396 { reinterpret_cast<GlState *>(user_data)->set_current_buffer(target, id); }
398 void GlState::glBufferData(void *user_data, GLenum target, int size, const void *data, GLenum usage)
400 if(BufferState *buf = reinterpret_cast<GlState *>(user_data)->get_current_buffer(target))
401 buf->set_data(size, data, usage);
404 void GlState::glBufferSubData(void *user_data, GLenum target, int offset, int size, const void *data)
406 if(BufferState *buf = reinterpret_cast<GlState *>(user_data)->get_current_buffer(target))
407 buf->set_sub_data(offset, size, data);
410 void GlState::glDeleteBuffers(void *user_data, int count, const unsigned *ids)
412 for(int i=0; i<count; ++i)
413 reinterpret_cast<GlState *>(user_data)->buffers.erase(ids[i]);