source/inspector.cpp

   1 /* $Id$
   2
   3 This file is part of gldbg
   4 Copyright © 2010  Mikko Rasa, Mikkosoft Productions
   5 Distributed under the GPL
   6 */
   7
   8 #include <msp/io/print.h>
   9 #include "enums.h"
  10 #include "gldbg.h"
  11 #include "inspector.h"
  12
  13 using namespace std;
  14 using namespace Msp;
  15
  16 Inspector::Inspector(GlDbg &dbg)
  17 {
  18         CommandInterpreter &cmd_interp = dbg.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 bind\n"
  25                         "  Show current bindings\n");
  26
  27         cmd_interp.register_command("texture", this, &Inspector::cmd_texture)
  28                 .set_help("Inspect texture state",
  29                         "texture\n"
  30                         "  Lists texture objects\n\n"
  31                         "texture ID\n"
  32                         "  Print information about a texture object\n");
  33
  34         cmd_interp.register_command("buffer", this, &Inspector::cmd_buffer)
  35                 .set_help("Inspect buffer object state",
  36                         "buffer\n"
  37                         "  Lists buffer objects\n\n"
  38                         "buffer ID\n"
  39                         "  Print information about a buffer object\n");
  40 }
  41
  42 void Inspector::decode(const char *data, unsigned len)
  43 {
  44         state.decode(data, len);
  45 }
  46
  47 void Inspector::cmd_state(const string &args)
  48 {
  49         const GlState &glstate = state;
  50         if(args=="vertex")
  51         {
  52                 IO::print("Current vertex attributes:\n");
  53                 const Vector4 &color = glstate.get_color();
  54                 IO::print("  Color:     [%05.3f, %05.3f, %05.3f, %05.3f]\n", color.r, color.g, color.b, color.a);
  55                 for(unsigned i=0; i<8; ++i)
  56                 {
  57                         const Vector4 &texcoord = glstate.get_texcoord(i);
  58                         IO::print("  TexCoord%d: [%05.3f, %05.3f, %05.3f, %05.3f]\n", i, texcoord.s, texcoord.t, texcoord.p, texcoord.q);
  59                 }
  60                 const Vector3 &normal = glstate.get_normal();
  61                 IO::print("  Normal:    [%05.3f, %05.3f, %05.3f]\n", normal.x, normal.y, normal.z);
  62         }
  63         else if(args=="bind")
  64         {
  65                 IO::print("Current bindings:\n");
  66                 for(unsigned i=0; i<8; ++i)
  67                 {
  68                         IO::print("  Texture unit %d:\n", i);
  69                         const TexUnitState &unit = glstate.get_texture_unit(i);
  70                         IO::print("    GL_TEXTURE_2D: %s\n", unit.describe_binding(GL_TEXTURE_2D));
  71                         IO::print("    GL_TEXTURE_3D: %s\n", unit.describe_binding(GL_TEXTURE_3D));
  72                 }
  73                 IO::print("  Buffers:\n");
  74                 const BufferState *buf = glstate.get_current_buffer(GL_ARRAY_BUFFER);
  75                 IO::print("    GL_ARRAY_BUFFER:         %d\n", (buf ? buf->id : 0));
  76                 buf = glstate.get_current_buffer(GL_ELEMENT_ARRAY_BUFFER);
  77                 IO::print("    GL_ELEMENT_ARRAY_BUFFER: %d\n", (buf ? buf->id : 0));
  78         }
  79         else
  80                 throw InvalidParameterValue("Invalid or missing argument");
  81 }
  82
  83 void Inspector::cmd_texture(const string &args)
  84 {
  85         if(args.empty())
  86         {
  87                 const map<unsigned, TextureState> &textures = state.get_textures();
  88                 IO::print("%d texture objects:\n", textures.size());
  89                 for(map<unsigned, TextureState>::const_iterator i = textures.begin(); i!=textures.end(); ++i)
  90                 {
  91                         const TextureState &tex = i->second;
  92                         IO::print("  %d: %s, %d images\n", i->first, tex.describe(), tex.images.size());
  93                 }
  94         }
  95         else
  96         {
  97                 unsigned id = lexical_cast<unsigned>(args);
  98                 const TextureState &tex = state.get_texture(id);
  99                 IO::print("Texture object %d\n", id);
 100                 IO::print("  Target:          %s\n", describe_enum(tex.target, "TextureTarget"));
 101                 IO::print("  Images:\n");
 102                 for(unsigned i=0; i<tex.images.size(); ++i)
 103                 {
 104                         const TexImageState &img = tex.images[i];
 105                         IO::print("    Level %2d:      %s\n", i, img.describe());
 106                 }
 107                 IO::print("  Min. filter:     %s\n", describe_enum(tex.min_filter, "TextureMinFilter"));
 108                 IO::print("  Mag. filter:     %s\n", describe_enum(tex.mag_filter, "TextureMagFilter"));
 109                 IO::print("  Wrap modes:      S=%s / T=%s / R=%s\n", describe_enum(tex.wrap_s, "TextureWrapMode"),
 110                         describe_enum(tex.wrap_t, "TextureWrapMode"), describe_enum(tex.wrap_r, "TextureWrapMode"));
 111                 IO::print("  Compare mode:    %s\n", describe_enum(tex.compare_mode, ""));
 112                 IO::print("  Compare func:    %s\n", describe_enum(tex.compare_func, "DepthFunction"));
 113                 IO::print("  Generate mipmap: %s\n", tex.generate_mipmap);
 114         }
 115 }
 116
 117 void Inspector::cmd_buffer(const string &args)
 118 {
 119         if(args.empty())
 120         {
 121                 const GlState::BufferMap &buffers = state.get_buffers();
 122                 IO::print("%d buffers:\n", buffers.size());
 123                 for(GlState::BufferMap::const_iterator i=buffers.begin(); i!=buffers.end(); ++i)
 124                         IO::print("  %d: %s\n", i->first, i->second.describe());
 125         }
 126         else
 127         {
 128                 unsigned id = lexical_cast<unsigned>(args);
 129                 const BufferState &buf = state.get_buffer(id);
 130                 IO::print("Buffer %d:\n", id);
 131                 IO::print("  Size:  %d bytes\n", buf.size);
 132                 IO::print("  Usage: %s\n", describe_enum(buf.usage, ""));
 133                 if(buf.content.stride)
 134                 {
 135                         IO::print("  Stride: %d bytes\n", buf.content.stride);
 136
 137                         IO::print("  Arrays:\n");
 138                         const vector<BufferContent::Array> &arrays = buf.content.arrays;
 139                         for(vector<BufferContent::Array>::const_iterator i=arrays.begin(); i!=arrays.end(); ++i)
 140                         {
 141                                 if(i->kind)
 142                                         IO::print("    %2d: %s, %d %s\n", i->offset,
 143                                                 describe_enum(i->kind, ""), i->size, describe_enum(i->type, "DataType"));
 144                                 else
 145                                         IO::print("    %2d: Attrib %d, %d %s\n", i->offset,
 146                                                 i->index, i->size, describe_enum(i->type, "DataType"));
 147                         }
 148
 149                         IO::print("  Data:\n");
 150                         string header;
 151                         for(vector<BufferContent::Array>::const_iterator i=arrays.begin(); i!=arrays.end(); ++i)
 152                         {
 153                                 if(!header.empty())
 154                                         header += " | ";
 155
 156                                 string label;
 157                                 if(i->kind==GL_VERTEX_ARRAY)
 158                                         label = "Vertex";
 159                                 else if(i->kind==GL_NORMAL_ARRAY)
 160                                         label = "Normal";
 161                                 else if(i->kind==GL_COLOR_ARRAY)
 162                                         label = "Color";
 163                                 else if(i->kind==GL_TEXTURE_COORD_ARRAY)
 164                                 {
 165                                         if(i->size==1)
 166                                                 label = "TexC";
 167                                         else
 168                                                 label = "TexCoord";
 169                                 }
 170                                 else if(!i->kind)
 171                                 {
 172                                         if(i->size==1)
 173                                                 label = format("A %d", i->index);
 174                                         else
 175                                                 label = format("Attrib %d", i->index);
 176                                 }
 177
 178                                 unsigned width = i->size;
 179                                 if(i->type==GL_FLOAT)
 180                                         width *= 5;
 181                                 else if(i->type==GL_UNSIGNED_BYTE)
 182                                         width *= 3;
 183                                 width += i->size-1;
 184
 185                                 header.append((width-label.size())/2, ' ');
 186                                 header += label;
 187                                 header.append((width-label.size()+1)/2, ' ');
 188                         }
 189                         IO::print("     %s\n", header);
 190
 191                         unsigned n_verts = buf.size/buf.content.stride;
 192                         for(unsigned i=0; i<n_verts; ++i)
 193                         {
 194                                 const char *vertex = buf.data+i*buf.content.stride;
 195
 196                                 string line;
 197                                 for(vector<BufferContent::Array>::const_iterator j=arrays.begin(); j!=arrays.end(); ++j)
 198                                 {
 199                                         if(!line.empty())
 200                                                 line += " |";
 201
 202                                         const char *base = vertex+j->offset;
 203                                         for(unsigned k=0; k<j->size; ++k)
 204                                         {
 205                                                 if(j->type==GL_FLOAT)
 206                                                         line += format(" %5.2f", *(reinterpret_cast<const float *>(base)+k));
 207                                                 else if(j->type==GL_UNSIGNED_BYTE)
 208                                                         line += format(" %3u", *(reinterpret_cast<const unsigned char *>(base)+k));
 209                                         }
 210                                 }
 211
 212                                 IO::print("%3d:%s\n", i, line);
 213                         }
 214                 }
 215         }
 216 }