flavors/gl/source/inspector.cpp

   1 #include <stdexcept>
   2 #include <cstdio>
   3 #include <cstdlib>
   4 #include "enums.h"
   5 #include "gldbg.h"
   6 #include "inspector.h"
   7 #include "strformat.h"
   8
   9 using namespace std;
  10
  11 Inspector::Inspector(GlDbg &dbg)
  12 {
  13         CommandInterpreter &cmd_interp = dbg.get_command_interpreter();
  14
  15         cmd_interp.register_command("state", this, &Inspector::cmd_state)
  16                 .set_help("Inspects general GL state",
  17                         "state vertex\n"
  18                         "  Print current vertex attributes\n\n"
  19                         "state bind\n"
  20                         "  Show current bindings\n");
  21
  22         cmd_interp.register_command("texture", this, &Inspector::cmd_texture)
  23                 .set_help("Inspect texture state",
  24                         "texture\n"
  25                         "  Lists texture objects\n\n"
  26                         "texture ID\n"
  27                         "  Print information about a texture object\n");
  28
  29         cmd_interp.register_command("buffer", this, &Inspector::cmd_buffer)
  30                 .set_help("Inspect buffer object state",
  31                         "buffer\n"
  32                         "  Lists buffer objects\n\n"
  33                         "buffer ID\n"
  34                         "  Print information about a buffer object\n");
  35 }
  36
  37 void Inspector::decode(const char *data, unsigned len)
  38 {
  39         state.decode(data, len);
  40 }
  41
  42 void Inspector::cmd_state(const string &args)
  43 {
  44         const GlState &glstate = state;
  45         if(args=="vertex")
  46         {
  47                 printf("Current vertex attributes:\n");
  48                 const Vector4 &color = glstate.get_color();
  49                 printf("  Color:     [%05.3f, %05.3f, %05.3f, %05.3f]\n", color.r, color.g, color.b, color.a);
  50                 for(unsigned i=0; i<8; ++i)
  51                 {
  52                         const Vector4 &texcoord = glstate.get_texcoord(i);
  53                         printf("  TexCoord%d: [%05.3f, %05.3f, %05.3f, %05.3f]\n", i, texcoord.s, texcoord.t, texcoord.p, texcoord.q);
  54                 }
  55                 const Vector3 &normal = glstate.get_normal();
  56                 printf("  Normal:    [%05.3f, %05.3f, %05.3f]\n", normal.x, normal.y, normal.z);
  57         }
  58         else if(args=="bind")
  59         {
  60                 printf("Current bindings:\n");
  61                 for(unsigned i=0; i<8; ++i)
  62                 {
  63                         printf("  Texture unit %d:\n", i);
  64                         const TexUnitState &unit = glstate.get_texture_unit(i);
  65                         string descr = unit.describe_binding(GL_TEXTURE_2D);
  66                         printf("    GL_TEXTURE_2D: %s\n", descr.c_str());
  67                         descr = unit.describe_binding(GL_TEXTURE_3D);
  68                         printf("    GL_TEXTURE_3D: %s\n", descr.c_str());
  69                 }
  70                 printf("  Buffers:\n");
  71                 const BufferState *buf = glstate.get_current_buffer(GL_ARRAY_BUFFER);
  72                 printf("    GL_ARRAY_BUFFER:         %d\n", (buf ? buf->id : 0));
  73                 buf = glstate.get_current_buffer(GL_ELEMENT_ARRAY_BUFFER);
  74                 printf("    GL_ELEMENT_ARRAY_BUFFER: %d\n", (buf ? buf->id : 0));
  75         }
  76         else
  77                 throw runtime_error("Invalid or missing argument");
  78 }
  79
  80 void Inspector::cmd_texture(const string &args)
  81 {
  82         if(args.empty())
  83         {
  84                 const map<unsigned, TextureState> &textures = state.get_textures();
  85                 printf("%d texture objects:\n", textures.size());
  86                 for(map<unsigned, TextureState>::const_iterator i = textures.begin(); i!=textures.end(); ++i)
  87                 {
  88                         const TextureState &tex = i->second;
  89                         string descr = tex.describe();
  90                         printf("  %d: %s, %d images\n", i->first, descr.c_str(), tex.images.size());
  91                 }
  92         }
  93         else
  94         {
  95                 char *end = 0;
  96                 unsigned id = strtoul(args.c_str(), &end, 0);
  97                 if(end && *end)
  98                         throw runtime_error("Invalid texture id");
  99
 100                 const TextureState &tex = state.get_texture(id);
 101                 printf("Texture object %d\n", id);
 102                 printf("  Target:          %s\n", describe_enum(tex.target, "TextureTarget"));
 103                 printf("  Images:\n");
 104                 for(unsigned i=0; i<tex.images.size(); ++i)
 105                 {
 106                         string descr = tex.images[i].describe();
 107                         printf("    Level %2d:      %s\n", i, descr.c_str());
 108                 }
 109                 printf("  Min. filter:     %s\n", describe_enum(tex.min_filter, "TextureMinFilter"));
 110                 printf("  Mag. filter:     %s\n", describe_enum(tex.mag_filter, "TextureMagFilter"));
 111                 printf("  Wrap modes:      S=%s / T=%s / R=%s\n", describe_enum(tex.wrap_s, "TextureWrapMode"),
 112                         describe_enum(tex.wrap_t, "TextureWrapMode"), describe_enum(tex.wrap_r, "TextureWrapMode"));
 113                 printf("  Compare mode:    %s\n", describe_enum(tex.compare_mode, ""));
 114                 printf("  Compare func:    %s\n", describe_enum(tex.compare_func, "DepthFunction"));
 115                 printf("  Generate mipmap: %s\n", (tex.generate_mipmap ? "true" : "false"));
 116         }
 117 }
 118
 119 void Inspector::cmd_buffer(const string &args)
 120 {
 121         if(args.empty())
 122         {
 123                 const GlState::BufferMap &buffers = state.get_buffers();
 124                 printf("%d buffers:\n", buffers.size());
 125                 for(GlState::BufferMap::const_iterator i=buffers.begin(); i!=buffers.end(); ++i)
 126                 {
 127                         string descr = i->second.describe();
 128                         printf("  %d: %s\n", i->first, descr.c_str());
 129                 }
 130         }
 131         else
 132         {
 133                 char *end = 0;
 134                 unsigned id = strtoul(args.c_str(), &end, 0);
 135                 if(end && *end)
 136                         throw runtime_error("Invalid buffer id");
 137
 138                 const BufferState &buf = state.get_buffer(id);
 139                 printf("Buffer %d:\n", id);
 140                 printf("  Size:  %d bytes\n", buf.size);
 141                 printf("  Usage: %s\n", describe_enum(buf.usage, ""));
 142                 if(buf.content.arrays.size()==1 && buf.content.arrays.front().kind==GL_ELEMENT_ARRAY_BUFFER)
 143                 {
 144                         const BufferContent::Array &array = buf.content.arrays.front();
 145                         printf("  Arrays:\n");
 146                         printf("    0: Element indices, 1 %s\n", describe_enum(array.type, "DataType"));
 147
 148                         printf("  Data:\n");
 149                         unsigned width = 1+buf.content.stride*2;
 150                         char fmt[6];
 151                         snprintf(fmt, sizeof(fmt), " %%%du", width);
 152                         unsigned n_elems = buf.size/buf.content.stride;
 153                         string line;
 154                         const char *ptr = buf.data;
 155                         for(unsigned i=0; i<n_elems; ++i)
 156                         {
 157                                 if(line.empty())
 158                                         line = "   ";
 159
 160                                 if(array.type==GL_UNSIGNED_BYTE)
 161                                         line += strformat(fmt, *(reinterpret_cast<const unsigned char *>(ptr)+i));
 162                                 else if(array.type==GL_UNSIGNED_SHORT)
 163                                         line += strformat(fmt, *(reinterpret_cast<const unsigned short *>(ptr)+i));
 164                                 else if(array.type==GL_UNSIGNED_INT)
 165                                         line += strformat(fmt, *(reinterpret_cast<const unsigned *>(ptr)+i));
 166
 167                                 if(line.size()+1+width>79)
 168                                 {
 169                                         printf("%s\n", line.c_str());
 170                                         line.clear();
 171                                 }
 172                         }
 173
 174                         if(!line.empty())
 175                                 printf("%s\n", line.c_str());
 176                 }
 177                 else if(buf.content.stride)
 178                 {
 179                         printf("  Stride: %d bytes\n", buf.content.stride);
 180
 181                         printf("  Arrays:\n");
 182                         const vector<BufferContent::Array> &arrays = buf.content.arrays;
 183                         for(vector<BufferContent::Array>::const_iterator i=arrays.begin(); i!=arrays.end(); ++i)
 184                         {
 185                                 if(i->kind)
 186                                         printf("    %2d: %s, %d %s\n", i->offset,
 187                                                 describe_enum(i->kind, ""), i->size, describe_enum(i->type, "DataType"));
 188                                 else
 189                                         printf("    %2d: Attrib %d, %d %s\n", i->offset,
 190                                                 i->index, i->size, describe_enum(i->type, "DataType"));
 191                         }
 192
 193                         printf("  Data:\n");
 194                         string header;
 195                         for(vector<BufferContent::Array>::const_iterator i=arrays.begin(); i!=arrays.end(); ++i)
 196                         {
 197                                 if(!header.empty())
 198                                         header += " | ";
 199
 200                                 string label;
 201                                 if(i->kind==GL_VERTEX_ARRAY)
 202                                         label = "Vertex";
 203                                 else if(i->kind==GL_NORMAL_ARRAY)
 204                                         label = "Normal";
 205                                 else if(i->kind==GL_COLOR_ARRAY)
 206                                         label = "Color";
 207                                 else if(i->kind==GL_TEXTURE_COORD_ARRAY)
 208                                 {
 209                                         if(i->size==1)
 210                                                 label = "TexC";
 211                                         else
 212                                                 label = "TexCoord";
 213                                 }
 214                                 else if(!i->kind)
 215                                 {
 216                                         if(i->size==1)
 217                                                 label = strformat("A %d", i->index);
 218                                         else
 219                                                 label = strformat("Attrib %d", i->index);
 220                                 }
 221
 222                                 unsigned width = i->size;
 223                                 if(i->type==GL_FLOAT)
 224                                         width *= 5;
 225                                 else if(i->type==GL_UNSIGNED_BYTE)
 226                                         width *= 3;
 227                                 width += i->size-1;
 228
 229                                 header.append((width-label.size())/2, ' ');
 230                                 header += label;
 231                                 header.append((width-label.size()+1)/2, ' ');
 232                         }
 233                         printf("     %s\n", header.c_str());
 234
 235                         unsigned n_verts = buf.size/buf.content.stride;
 236                         for(unsigned i=0; i<n_verts; ++i)
 237                         {
 238                                 const char *vertex = buf.data+i*buf.content.stride;
 239
 240                                 string line;
 241                                 for(vector<BufferContent::Array>::const_iterator j=arrays.begin(); j!=arrays.end(); ++j)
 242                                 {
 243                                         if(!line.empty())
 244                                                 line += " |";
 245
 246                                         const char *base = vertex+j->offset;
 247                                         for(unsigned k=0; k<j->size; ++k)
 248                                         {
 249                                                 if(j->type==GL_FLOAT)
 250                                                         line += strformat(" %5.2f", *(reinterpret_cast<const float *>(base)+k));
 251                                                 else if(j->type==GL_UNSIGNED_BYTE)
 252                                                         line += strformat(" %3u", *(reinterpret_cast<const unsigned char *>(base)+k));
 253                                         }
 254                                 }
 255
 256                                 printf("%3d:%s\n", i, line.c_str());
 257                         }
 258                 }
 259         }
 260 }