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#pragma once
#include <ostream>
#include "render/Colour4.h"
namespace debug
{
namespace detail
{
inline bool boolFromGLBool(GLboolean b)
{
return b == GL_TRUE;
}
}
/// Streamable object to insert render state flags
struct StateFlagsInserter
{
int flags;
StateFlagsInserter(int f): flags(f) { }
};
inline std::ostream& operator<<(std::ostream& os,
const StateFlagsInserter& s)
{
#define OUTPUT_RENDERFLAG(x) if (s.flags & (x)) { os << "|" << #x; }
OUTPUT_RENDERFLAG(RENDER_LINESTIPPLE);
OUTPUT_RENDERFLAG(RENDER_POLYGONSTIPPLE);
OUTPUT_RENDERFLAG(RENDER_ALPHATEST);
OUTPUT_RENDERFLAG(RENDER_DEPTHTEST);
OUTPUT_RENDERFLAG(RENDER_DEPTHWRITE);
OUTPUT_RENDERFLAG(RENDER_MASKCOLOUR);
OUTPUT_RENDERFLAG(RENDER_CULLFACE);
OUTPUT_RENDERFLAG(RENDER_SCALED);
OUTPUT_RENDERFLAG(RENDER_SMOOTH);
OUTPUT_RENDERFLAG(RENDER_LIGHTING);
OUTPUT_RENDERFLAG(RENDER_BLEND);
OUTPUT_RENDERFLAG(RENDER_OFFSETLINE);
OUTPUT_RENDERFLAG(RENDER_FILL);
OUTPUT_RENDERFLAG(RENDER_VERTEX_COLOUR);
OUTPUT_RENDERFLAG(RENDER_TEXTURE_2D);
OUTPUT_RENDERFLAG(RENDER_TEXTURE_CUBEMAP);
OUTPUT_RENDERFLAG(RENDER_BUMP);
OUTPUT_RENDERFLAG(RENDER_PROGRAM);
OUTPUT_RENDERFLAG(RENDER_OVERRIDE);
return os;
}
/// Streamable object to insert glColorMask value
class ColorMaskInserter { };
inline std::ostream& operator<<(std::ostream& os,
const ColorMaskInserter& i)
{
using namespace detail;
GLboolean vals[4];
glGetBooleanv(GL_COLOR_WRITEMASK, &vals[0]);
os << "{ R = " << boolFromGLBool(vals[0])
<< ", G = " << boolFromGLBool(vals[1])
<< ", B = " << boolFromGLBool(vals[2])
<< ", A = " << boolFromGLBool(vals[3]) << " }";
return os;
}
/// Streamable object to insert glDepthMask value
class DepthMaskInserter { };
inline std::ostream& operator<<(std::ostream& os,
const DepthMaskInserter& i)
{
GLboolean mask;
glGetBooleanv(GL_DEPTH_WRITEMASK, &mask);
os << detail::boolFromGLBool(mask);
return os;
}
/// Get the current GL_COLOR as a Colour4 for debugging
inline Colour4 getGLColor()
{
Colour4 result;
glGetFloatv(GL_CURRENT_COLOR, &result[0]);
return result;
}
/// Get a GL integer for debugging
inline int getGLInt(GLenum name)
{
int result;
glGetIntegerv(name, &result);
return result;
}
/// Get a GL boolean for debugging
inline bool getGLBool(GLenum name)
{
GLboolean result;
glGetBooleanv(name, &result);
return result == GL_TRUE;
}
}
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