flavors/gl/source/inspector.cpp

   1 #include <stdexcept>
   2 #include <cstdio>
   3 #include <cstdlib>
   4 #include "breakpoint.h"
   5 #include "enums.h"
   6 #include "functions.h"
   7 #include "gldbg.h"
   8 #include "inspector.h"
   9 #include "strformat.h"
  10
  11 using namespace std;
  12
  13 Inspector::Inspector(GlDbg &d):
  14         gldbg(d),
  15         decoder(gldecoder_new(this, NULL)),
  16         query_state(0)
  17 {
  18         CommandInterpreter &cmd_interp = gldbg.get_command_interpreter();
  19
  20         cmd_interp.register_command("state", this, &Inspector::cmd_state)
  21                 .set_help("Inspects general GL state",
  22                         "state vertex\n"
  23                         "  Print current vertex attributes\n\n"
  24                         "state array\n"
  25                         "  Show current vertex arrays\n\n"
  26                         "state bind\n"
  27                         "  Show current bindings\n");
  28
  29         cmd_interp.register_command("texture", this, &Inspector::cmd_texture)
  30                 .set_help("Inspect texture state",
  31                         "texture\n"
  32                         "  Lists texture objects\n\n"
  33                         "texture ID\n"
  34                         "  Print information about a texture object\n");
  35
  36         cmd_interp.register_command("buffer", this, &Inspector::cmd_buffer)
  37                 .set_help("Inspect buffer object state",
  38                         "buffer\n"
  39                         "  Lists buffer objects\n\n"
  40                         "buffer ID\n"
  41                         "  Print information about a buffer object\n");
  42
  43         cmd_interp.register_command("shader", this, &Inspector::cmd_shader)
  44                 .set_help("Inspect shader object state",
  45                         "shader\n"
  46                         "  List shader objects\n\n"
  47                         "shader ID\n"
  48                         "  Print information about a shader object\n");
  49
  50         cmd_interp.register_command("program", this, &Inspector::cmd_program)
  51                 .set_help("Inspect program object state",
  52                         "program\n"
  53                         "  List program objects\n\n"
  54                         "program ID\n"
  55                         "  Print information about a program object\n");
  56
  57         decoder->gldBreak = gldBreak;
  58 }
  59
  60 void Inspector::decode(const char *data, unsigned len)
  61 {
  62         if(query_state)
  63                 gldecoder_decode(decoder, data, len);
  64         state.decode(data, len);
  65 }
  66
  67 void Inspector::process_started()
  68 {
  69         gldbg.set_breakpoint(FUNC_GLXMAKECURRENT, BREAK_RETURN, this);
  70         query_state = 1;
  71 }
  72
  73 void Inspector::process_stopped(int reason)
  74 {
  75         if((reason>>8)==3 && query_state==2)
  76         {
  77                 GlPacket *pkt = packet_begin(FUNC_GLDQUERYLIMITS);
  78                 gldbg.send(pkt);
  79                 query_state = 0;
  80                 gldbg.resume_from_break(this);
  81         }
  82 }
  83
  84 void Inspector::gldBreak(void *user_data, unsigned short func, unsigned char flag)
  85 {
  86         if(func==FUNC_GLXMAKECURRENT && flag==BREAK_RETURN)
  87                 ++reinterpret_cast<Inspector *>(user_data)->query_state;
  88 }
  89
  90 void Inspector::print_indented(const string &str, unsigned indent)
  91 {
  92         string spaces(indent, ' ');
  93         string::size_type start = 0;
  94         while(1)
  95         {
  96                 string::size_type newline = str.find('\n', start);
  97                 string line = str.substr(start, newline-start);
  98                 if(newline!=string::npos || !line.empty())
  99                         printf("%s%s\n", spaces.c_str(), line.c_str());
 100                 if(newline==string::npos)
 101                         break;
 102                 start = newline+1;
 103         }
 104 }
 105
 106 void Inspector::cmd_state(const string &args)
 107 {
 108         const GlState &glstate = state;
 109         if(args=="vertex")
 110         {
 111                 printf("Current vertex attributes:\n");
 112                 const Vector4 &color = glstate.get_color();
 113                 printf("  Color:     [%05.3f, %05.3f, %05.3f, %05.3f]\n", color.r, color.g, color.b, color.a);
 114                 unsigned count = glstate.get_max_texture_units();
 115                 for(unsigned i=0; i<count; ++i)
 116                 {
 117                         const Vector4 &texcoord = glstate.get_texcoord(i);
 118                         printf("  TexCoord%d: [%05.3f, %05.3f, %05.3f, %05.3f]\n", i, texcoord.s, texcoord.t, texcoord.p, texcoord.q);
 119                 }
 120                 const Vector3 &normal = glstate.get_normal();
 121                 printf("  Normal:    [%05.3f, %05.3f, %05.3f]\n", normal.x, normal.y, normal.z);
 122         }
 123         else if(args=="array")
 124         {
 125                 printf("Current vertex arrays:\n");
 126                 string descr = glstate.get_array(GL_VERTEX_ARRAY).describe();
 127                 printf("  Vertex:    %s\n", descr.c_str());
 128                 descr = glstate.get_array(GL_NORMAL_ARRAY).describe();
 129                 printf("  Normal:    %s\n", descr.c_str());
 130                 descr = glstate.get_array(GL_COLOR_ARRAY).describe();
 131                 printf("  Color:     %s\n", descr.c_str());
 132                 unsigned count = glstate.get_max_texture_units();
 133                 for(unsigned i=0; i<count; ++i)
 134                 {
 135                         descr = glstate.get_texture_coord_array(i).describe();
 136                         printf("  TexCoord%d: %s\n", i, descr.c_str());
 137                 }
 138                 count = glstate.get_max_vertex_attribs();
 139                 for(unsigned i=0; i<count; ++i)
 140                 {
 141                         descr = glstate.get_attrib_array(i).describe();
 142                         printf("  Attrib%d:%s %s\n", i, (i>=10 ? " " : "  "), descr.c_str());
 143                 }
 144         }
 145         else if(args=="bind")
 146         {
 147                 printf("Current bindings:\n");
 148                 unsigned count = glstate.get_max_texture_units();
 149                 for(unsigned i=0; i<count; ++i)
 150                 {
 151                         printf("  Texture unit %d:\n", i);
 152                         const TexUnitState &unit = glstate.get_texture_unit(i);
 153                         string descr = unit.describe_binding(GL_TEXTURE_2D);
 154                         printf("    GL_TEXTURE_2D: %s\n", descr.c_str());
 155                         descr = unit.describe_binding(GL_TEXTURE_3D);
 156                         printf("    GL_TEXTURE_3D: %s\n", descr.c_str());
 157                 }
 158                 printf("  Buffers:\n");
 159                 const BufferState *buf = glstate.get_current_buffer(GL_ARRAY_BUFFER);
 160                 printf("    GL_ARRAY_BUFFER:         %d\n", (buf ? buf->id : 0));
 161                 buf = glstate.get_current_buffer(GL_ELEMENT_ARRAY_BUFFER);
 162                 printf("    GL_ELEMENT_ARRAY_BUFFER: %d\n", (buf ? buf->id : 0));
 163                 buf = glstate.get_current_buffer(GL_UNIFORM_BUFFER);
 164                 printf("    GL_UNIFORM_BUFFER:       %d\n", (buf ? buf->id : 0));
 165                 count = glstate.get_max_uniform_buffer_bindings();
 166                 for(unsigned i=0; i<count; ++i)
 167                 {
 168                         const BufferBindingState &binding = glstate.get_buffer_binding(GL_UNIFORM_BUFFER, i);
 169                         if(binding.buffer)
 170                                 printf("      %d: %d (%d bytes at %d)\n", i, binding.buffer->id, binding.size, binding.offset);
 171                 }
 172         }
 173         else
 174                 throw runtime_error("Invalid or missing argument");
 175 }
 176
 177 void Inspector::cmd_texture(const string &args)
 178 {
 179         if(args.empty())
 180         {
 181                 const map<unsigned, TextureState> &textures = state.get_textures();
 182                 printf("%d texture objects:\n", textures.size());
 183                 for(map<unsigned, TextureState>::const_iterator i = textures.begin(); i!=textures.end(); ++i)
 184                 {
 185                         const TextureState &tex = i->second;
 186                         string descr = tex.describe();
 187                         printf("  %d: %s, %d images\n", i->first, descr.c_str(), tex.images.size());
 188                 }
 189         }
 190         else
 191         {
 192                 char *end = 0;
 193                 unsigned id = strtoul(args.c_str(), &end, 0);
 194                 if(end && *end)
 195                         throw runtime_error("Invalid texture id");
 196
 197                 const TextureState &tex = state.get_texture(id);
 198                 printf("Texture object %d\n", id);
 199                 printf("  Target:          %s\n", describe_enum(tex.target, "TextureTarget"));
 200                 printf("  Images:\n");
 201                 for(unsigned i=0; i<tex.images.size(); ++i)
 202                 {
 203                         string descr = tex.images[i].describe();
 204                         printf("    Level %2d:      %s\n", i, descr.c_str());
 205                 }
 206                 printf("  Min. filter:     %s\n", describe_enum(tex.min_filter, "TextureMinFilter"));
 207                 printf("  Mag. filter:     %s\n", describe_enum(tex.mag_filter, "TextureMagFilter"));
 208                 printf("  Wrap modes:      S=%s / T=%s / R=%s\n", describe_enum(tex.wrap_s, "TextureWrapMode"),
 209                         describe_enum(tex.wrap_t, "TextureWrapMode"), describe_enum(tex.wrap_r, "TextureWrapMode"));
 210                 printf("  Compare mode:    %s\n", describe_enum(tex.compare_mode, ""));
 211                 printf("  Compare func:    %s\n", describe_enum(tex.compare_func, "DepthFunction"));
 212                 printf("  Generate mipmap: %s\n", (tex.generate_mipmap ? "true" : "false"));
 213         }
 214 }
 215
 216 void Inspector::cmd_buffer(const string &args)
 217 {
 218         if(args.empty())
 219         {
 220                 const GlState::BufferMap &buffers = state.get_buffers();
 221                 printf("%d buffers:\n", buffers.size());
 222                 for(GlState::BufferMap::const_iterator i=buffers.begin(); i!=buffers.end(); ++i)
 223                 {
 224                         string descr = i->second.describe();
 225                         printf("  %d: %s\n", i->first, descr.c_str());
 226                 }
 227         }
 228         else
 229         {
 230                 char *end = 0;
 231                 unsigned id = strtoul(args.c_str(), &end, 0);
 232                 if(end && *end)
 233                         throw runtime_error("Invalid buffer id");
 234
 235                 const BufferState &buf = state.get_buffer(id);
 236                 printf("Buffer %d:\n", id);
 237                 printf("  Size:  %d bytes\n", buf.size);
 238                 printf("  Usage: %s\n", describe_enum(buf.usage, ""));
 239                 if(buf.content.arrays.size()==1 && buf.content.arrays.front().kind==GL_ELEMENT_ARRAY_BUFFER)
 240                 {
 241                         const BufferContent::Array &array = buf.content.arrays.front();
 242                         printf("  Arrays:\n");
 243                         printf("    0: Element indices, 1 %s\n", describe_enum(array.type, "DataType"));
 244
 245                         printf("  Data:\n");
 246                         unsigned width = 1+buf.content.stride*2;
 247                         char fmt[6];
 248                         snprintf(fmt, sizeof(fmt), " %%%du", width);
 249                         unsigned n_elems = buf.size/buf.content.stride;
 250                         string line;
 251                         const char *ptr = buf.data;
 252                         for(unsigned i=0; i<n_elems; ++i)
 253                         {
 254                                 if(line.empty())
 255                                         line = "   ";
 256
 257                                 if(array.type==GL_UNSIGNED_BYTE)
 258                                         line += strformat(fmt, *(reinterpret_cast<const unsigned char *>(ptr)+i));
 259                                 else if(array.type==GL_UNSIGNED_SHORT)
 260                                         line += strformat(fmt, *(reinterpret_cast<const unsigned short *>(ptr)+i));
 261                                 else if(array.type==GL_UNSIGNED_INT)
 262                                         line += strformat(fmt, *(reinterpret_cast<const unsigned *>(ptr)+i));
 263
 264                                 if(line.size()+1+width>79)
 265                                 {
 266                                         printf("%s\n", line.c_str());
 267                                         line.clear();
 268                                 }
 269                         }
 270
 271                         if(!line.empty())
 272                                 printf("%s\n", line.c_str());
 273                 }
 274                 else if(buf.content.stride)
 275                 {
 276                         printf("  Stride: %d bytes\n", buf.content.stride);
 277
 278                         printf("  Arrays:\n");
 279                         const vector<BufferContent::Array> &arrays = buf.content.arrays;
 280                         for(vector<BufferContent::Array>::const_iterator i=arrays.begin(); i!=arrays.end(); ++i)
 281                         {
 282                                 if(i->kind)
 283                                         printf("    %2d: %s, %d %s\n", i->offset,
 284                                                 describe_enum(i->kind, ""), i->size, describe_enum(i->type, "DataType"));
 285                                 else
 286                                         printf("    %2d: Attrib %d, %d %s\n", i->offset,
 287                                                 i->index, i->size, describe_enum(i->type, "DataType"));
 288                         }
 289
 290                         printf("  Data:\n");
 291                         string header;
 292                         for(vector<BufferContent::Array>::const_iterator i=arrays.begin(); i!=arrays.end(); ++i)
 293                         {
 294                                 if(!header.empty())
 295                                         header += " | ";
 296
 297                                 string label;
 298                                 if(i->kind==GL_VERTEX_ARRAY)
 299                                         label = "Vertex";
 300                                 else if(i->kind==GL_NORMAL_ARRAY)
 301                                         label = "Normal";
 302                                 else if(i->kind==GL_COLOR_ARRAY)
 303                                         label = "Color";
 304                                 else if(i->kind==GL_TEXTURE_COORD_ARRAY)
 305                                 {
 306                                         if(i->size==1)
 307                                                 label = "TexC";
 308                                         else
 309                                                 label = "TexCoord";
 310                                 }
 311                                 else if(!i->kind)
 312                                 {
 313                                         if(i->size==1)
 314                                                 label = strformat("A %d", i->index);
 315                                         else
 316                                                 label = strformat("Attrib %d", i->index);
 317                                 }
 318
 319                                 unsigned width = i->size;
 320                                 if(i->type==GL_FLOAT)
 321                                         width *= 5;
 322                                 else if(i->type==GL_UNSIGNED_BYTE)
 323                                         width *= 3;
 324                                 width += i->size-1;
 325
 326                                 header.append((width-label.size())/2, ' ');
 327                                 header += label;
 328                                 header.append((width-label.size()+1)/2, ' ');
 329                         }
 330                         printf("     %s\n", header.c_str());
 331
 332                         unsigned n_verts = buf.size/buf.content.stride;
 333                         for(unsigned i=0; i<n_verts; ++i)
 334                         {
 335                                 const char *vertex = buf.data+i*buf.content.stride;
 336
 337                                 string line;
 338                                 for(vector<BufferContent::Array>::const_iterator j=arrays.begin(); j!=arrays.end(); ++j)
 339                                 {
 340                                         if(!line.empty())
 341                                                 line += " |";
 342
 343                                         const char *base = vertex+j->offset;
 344                                         for(unsigned k=0; k<j->size; ++k)
 345                                         {
 346                                                 if(j->type==GL_FLOAT)
 347                                                         line += strformat(" %5.2f", *(reinterpret_cast<const float *>(base)+k));
 348                                                 else if(j->type==GL_UNSIGNED_BYTE)
 349                                                         line += strformat(" %3u", *(reinterpret_cast<const unsigned char *>(base)+k));
 350                                         }
 351                                 }
 352
 353                                 printf("%3d:%s\n", i, line.c_str());
 354                         }
 355                 }
 356         }
 357 }
 358
 359 void Inspector::cmd_shader(const string &args)
 360 {
 361         if(args.empty())
 362         {
 363                 const GlState::ShaderMap &shaders = state.get_shaders();
 364                 printf("%d shader objects:\n", shaders.size());
 365                 for(GlState::ShaderMap::const_iterator i=shaders.begin(); i!=shaders.end(); ++i)
 366                 {
 367                         string descr = i->second.describe();
 368                         printf("  %d: %s\n", i->first, descr.c_str());
 369                 }
 370         }
 371         else
 372         {
 373                 char *end = 0;
 374                 unsigned id = strtoul(args.c_str(), &end, 0);
 375                 if(end && *end)
 376                         throw runtime_error("Invalid shader id");
 377
 378                 const ShaderState &shader = state.get_shader(id);
 379                 printf("Shader %d:\n", shader.id);
 380                 printf("  Type: %s\n", describe_enum(shader.type, ""));
 381                 unsigned n = 0;
 382                 for(vector<string>::const_iterator i=shader.source.begin(); i!=shader.source.end(); ++i, ++n)
 383                 {
 384                         printf("  Source string %d:\n", n);
 385                         print_indented(*i, 4);
 386                 }
 387                 if(shader.source_changed)
 388                         printf("  Source changed since last compile\n");
 389                 printf("  Compile status: %d\n", shader.compile_status);
 390                 if(shader.info_log.empty())
 391                         printf("  Info log is empty\n");
 392                 else
 393                 {
 394                         printf("  Info log:\n");
 395                         print_indented(shader.info_log, 4);
 396                 }
 397                 if(shader.pending_delete)
 398                         printf("  Pending deletion\n");
 399         }
 400 }
 401
 402 void Inspector::cmd_program(const std::string &args)
 403 {
 404         if(args.empty())
 405         {
 406                 const GlState::ProgramMap &programs = state.get_programs();
 407                 printf("%d program objects:\n", programs.size());
 408                 for(GlState::ProgramMap::const_iterator i=programs.begin(); i!=programs.end(); ++i)
 409                 {
 410                         string descr = i->second.describe();
 411                         printf("  %d: %s\n", i->first, descr.c_str());
 412                 }
 413         }
 414         else
 415         {
 416                 char *end = 0;
 417                 unsigned id = strtoul(args.c_str(), &end, 0);
 418                 if(end && *end)
 419                         throw runtime_error("Invalid program id");
 420
 421                 const ProgramState &program = state.get_program(id);
 422                 printf("Program %d:\n", program.id);
 423                 printf("  Attached shaders:\n");
 424                 for(vector<ShaderState *>::const_iterator i=program.shaders.begin(); i!=program.shaders.end(); ++i)
 425                 {
 426                         string descr = (*i)->describe();
 427                         printf("    %d: %s\n", (*i)->id, descr.c_str());
 428                 }
 429                 if(program.shaders_changed)
 430                         printf("  Shaders changed since last compile\n");
 431                 printf("  Link status: %d\n", program.link_status);
 432                 if(program.info_log.empty())
 433                         printf("  Info log is empty\n");
 434                 else
 435                 {
 436                         printf("  Info log:\n");
 437                         print_indented(program.info_log, 4);
 438                 }
 439         }
 440 }