Add classes to track OpenGL state and commands to inspect it

[gldbg.git] / source / commandinterpreter.cpp

diff --git a/source/commandinterpreter.cpp b/source/commandinterpreter.cpp
index c51d0a2b223a326ff297be9d37e6fb46df573eae..36c3b3c18752e32ed2bb2197683a571fc5308ef4 100644 (file)
--- a/source/commandinterpreter.cpp
+++ b/source/commandinterpreter.cpp
@@ -12,6 +12,7 @@ Distributed under the GPL
 #include <msp/strings/lexicalcast.h>
 #include <msp/strings/utils.h>
 #include "commandinterpreter.h"
+#include "enums.h"
 #include "gldbg.h"
 #include "tracer.h"
 
@@ -52,6 +53,27 @@ CommandInterpreter::CommandInterpreter(GlDbg &d):
                "  Temporarily suspend or resume trace without closing the file.\n\n"
                "trace end\n"
                "  Terminate trace, closing the file.\n");
+
+       commands["state"] = Command(&CommandInterpreter::cmd_state,
+               "Inspects general GL state",
+               "state vertex\n"
+               "  Print current vertex attributes\n\n"
+               "state bind\n"
+               "  Show current bindings\n");
+
+       commands["texture"] = Command(&CommandInterpreter::cmd_texture,
+               "Inspect texture state",
+               "texture\n"
+               "  Lists texture objects\n\n"
+               "texture ID\n"
+               "  Print information about a texture object\n");
+
+       commands["buffer"] = Command(&CommandInterpreter::cmd_buffer,
+               "Inspect buffer object state",
+               "buffer\n"
+               "  Lists buffer objects\n\n"
+               "buffer ID\n"
+               "  Print information about a buffer object\n");
 }
 
 void CommandInterpreter::execute(const string &cmd)
@@ -100,6 +122,7 @@ void CommandInterpreter::cmd_run(const string &)
 
 void CommandInterpreter::cmd_continue(const string &)
 {
+       IO::print("Continuing.\n");
        gldbg.get_process().resume();
 }
 
@@ -170,6 +193,95 @@ void CommandInterpreter::cmd_trace(const string &args)
        }
 }
 
+void CommandInterpreter::cmd_state(const string &args)
+{
+       const GlState &glstate = gldbg.get_glstate();
+       if(args=="vertex")
+       {
+               IO::print("Current vertex attributes:\n");
+               const Vector4 &color = glstate.get_color();
+               IO::print("  Color:     [%05.3f, %05.3f, %05.3f, %05.3f]\n", color.r, color.g, color.b, color.a);
+               for(unsigned i=0; i<8; ++i)
+               {
+                       const Vector4 &texcoord = glstate.get_texcoord(i);
+                       IO::print("  TexCoord%d: [%05.3f, %05.3f, %05.3f, %05.3f]\n", i, texcoord.s, texcoord.t, texcoord.p, texcoord.q);
+               }
+               const Vector3 &normal = glstate.get_normal();
+               IO::print("  Normal:    [%05.3f, %05.3f, %05.3f]\n", normal.x, normal.y, normal.z);
+       }
+       else if(args=="bind")
+       {
+               IO::print("Current bindings:\n");
+               for(unsigned i=0; i<8; ++i)
+               {
+                       IO::print("  Texture unit %d:\n", i);
+                       const TexUnitState &unit = glstate.get_texture_unit(i);
+                       IO::print("    GL_TEXTURE_2D: %s\n", unit.describe_binding(GL_TEXTURE_2D));
+                       IO::print("    GL_TEXTURE_3D: %s\n", unit.describe_binding(GL_TEXTURE_3D));
+               }
+               IO::print("  Buffers:\n");
+               const BufferState *buf = glstate.get_current_buffer(GL_ARRAY_BUFFER);
+               IO::print("    GL_ARRAY_BUFFER:         %d\n", (buf ? buf->id : 0));
+               buf = glstate.get_current_buffer(GL_ELEMENT_ARRAY_BUFFER);
+               IO::print("    GL_ELEMENT_ARRAY_BUFFER: %d\n", (buf ? buf->id : 0));
+       }
+       else
+               throw InvalidParameterValue("Invalid or missing argument");
+}
+
+void CommandInterpreter::cmd_texture(const string &args)
+{
+       if(args.empty())
+       {
+               const map<unsigned, TextureState> &textures = gldbg.get_glstate().get_textures();
+               IO::print("%d texture objects:\n", textures.size());
+               for(map<unsigned, TextureState>::const_iterator i = textures.begin(); i!=textures.end(); ++i)
+               {
+                       const TextureState &tex = i->second;
+                       IO::print("  %d: %s, %d images\n", i->first, tex.describe(), tex.images.size());
+               }
+       }
+       else
+       {
+               unsigned id = lexical_cast<unsigned>(args);
+               const TextureState &tex = gldbg.get_glstate().get_texture(id);
+               IO::print("Texture object %d\n", id);
+               IO::print("  Target:          %s\n", describe_enum(tex.target, "TextureTarget"));
+               IO::print("  Images:\n");
+               for(unsigned i=0; i<tex.images.size(); ++i)
+               {
+                       const TexImageState &img = tex.images[i];
+                       IO::print("    Level %2d:      %s\n", i, img.describe());
+               }
+               IO::print("  Min. filter:     %s\n", describe_enum(tex.min_filter, "TextureMinFilter"));
+               IO::print("  Mag. filter:     %s\n", describe_enum(tex.mag_filter, "TextureMagFilter"));
+               IO::print("  Wrap modes:      S=%s / T=%s / R=%s\n", describe_enum(tex.wrap_s, "TextureWrapMode"),
+                       describe_enum(tex.wrap_t, "TextureWrapMode"), describe_enum(tex.wrap_r, "TextureWrapMode"));
+               IO::print("  Compare mode:    %s\n", describe_enum(tex.compare_mode, ""));
+               IO::print("  Compare func:    %s\n", describe_enum(tex.compare_func, "DepthFunction"));
+               IO::print("  Generate mipmap: %s\n", tex.generate_mipmap);
+       }
+}
+
+void CommandInterpreter::cmd_buffer(const string &args)
+{
+       if(args.empty())
+       {
+               const GlState::BufferMap &buffers = gldbg.get_glstate().get_buffers();
+               IO::print("%d buffers:\n", buffers.size());
+               for(GlState::BufferMap::const_iterator i=buffers.begin(); i!=buffers.end(); ++i)
+                       IO::print("  %d: %s\n", i->first, i->second.describe());
+       }
+       else
+       {
+               unsigned id = lexical_cast<unsigned>(args);
+               const BufferState &buf = gldbg.get_glstate().get_buffer(id);
+               IO::print("Buffer %d:\n", id);
+               IO::print("  Size:  %d bytes\n", buf.size);
+               IO::print("  Usage: %s\n", describe_enum(buf.usage, ""));
+       }
+}
+
 
 CommandInterpreter::Command::Command():
        func(0)