c3d_render_raytracing.cpp File Reference

#include <GL/glew.h>
#include <climits>
#include <atomic>
#include <thread>
#include <chrono>
#include "c3d_render_raytracing.h"
#include "mortoncodes.h"
#include "../ccolorrgb.h"
#include "3d_fastmath.h"
#include "3d_math.h"
#include "../common_ogl/ogl_utils.h"
#include <profile.h>

Go to the source code of this file.

Macros
#define	SRGB_GAMA   2.4f
#define	DISP_FACTOR   0.075f
#define	USE_EXPERIMENTAL_SOFT_SHADOWS   1

Functions
static void	SetPixel (GLubyte *p, const CCOLORRGB &v)
static SFVEC3F	convertLinearToSRGB (const SFVEC3F &aRGBcolor)
SFVEC3F	ConvertSRGBToLinear (const SFVEC3F &aSRGBcolor)
static void	HITINFO_PACKET_init (HITINFO_PACKET *aHitPacket)

Macro Definition Documentation

DISP_FACTOR

#define DISP_FACTOR   0.075f

Definition at line 655 of file c3d_render_raytracing.cpp.

SRGB_GAMA

#define SRGB_GAMA   2.4f

Definition at line 433 of file c3d_render_raytracing.cpp.

USE_EXPERIMENTAL_SOFT_SHADOWS

#define USE_EXPERIMENTAL_SOFT_SHADOWS   1

Definition at line 1714 of file c3d_render_raytracing.cpp.

Function Documentation

convertLinearToSRGB()

static SFVEC3F convertLinearToSRGB ( const SFVEC3F &  aRGBcolor )

static

Definition at line 437 of file c3d_render_raytracing.cpp.

{
    const float gammaCorrection = 1.0f / SRGB_GAMA;
    const SFVEC3F clampedColor = glm::clamp( aRGBcolor, SFVEC3F(0.0f), SFVEC3F(1.0f) );

    return glm::mix(
        glm::pow( clampedColor, SFVEC3F(gammaCorrection) ) * 1.055f - 0.055f,
        clampedColor * 12.92f,
        glm::lessThan( clampedColor, SFVEC3F(0.0031308f) ) );
}

References SRGB_GAMA.

Referenced by C3D_RENDER_RAYTRACING::rt_final_color(), and C3D_RENDER_RAYTRACING::rt_render_post_process_blur_finish().

ConvertSRGBToLinear()

SFVEC3F ConvertSRGBToLinear

(

const SFVEC3F &

aSRGBcolor

)

Definition at line 450 of file c3d_render_raytracing.cpp.

{
    const float gammaCorrection = SRGB_GAMA;

    return glm::mix(
                    glm::pow( (aSRGBcolor + SFVEC3F(0.055f)) * SFVEC3F(0.94786729857819905213270142180095f),
                              SFVEC3F(gammaCorrection) ),
                    aSRGBcolor * SFVEC3F(0.07739938080495356037151702786378f),
                    glm::lessThanEqual( aSRGBcolor, SFVEC3F(0.04045f) ) );
}

References SRGB_GAMA.

Referenced by C3D_RENDER_RAYTRACING::add_3D_models(), C3D_RENDER_RAYTRACING::create_3d_object_from(), C3D_RENDER_RAYTRACING::insert3DPadHole(), C3D_RENDER_RAYTRACING::insert3DViaHole(), C3D_RENDER_RAYTRACING::reload(), C3D_RENDER_RAYTRACING::render(), and C3D_RENDER_RAYTRACING::setupMaterials().

HITINFO_PACKET_init()

static void HITINFO_PACKET_init ( HITINFO_PACKET *  aHitPacket )

static

Definition at line 488 of file c3d_render_raytracing.cpp.

{
    // Initialize hitPacket with a "not hit" information
    for( unsigned int i = 0; i < RAYPACKET_RAYS_PER_PACKET; ++i )
    {
        aHitPacket[i].m_HitInfo.m_tHit = std::numeric_limits<float>::infinity();
        aHitPacket[i].m_HitInfo.m_acc_node_info = 0;
        aHitPacket[i].m_hitresult = false;
        aHitPacket[i].m_HitInfo.m_HitNormal = SFVEC3F( 0.0f );
        aHitPacket[i].m_HitInfo.m_ShadowFactor = 1.0f;
    }
}

References i, HITINFO::m_acc_node_info, HITINFO_PACKET::m_HitInfo, HITINFO::m_HitNormal, HITINFO_PACKET::m_hitresult, HITINFO::m_ShadowFactor, HITINFO::m_tHit, and RAYPACKET_RAYS_PER_PACKET.

Referenced by C3D_RENDER_RAYTRACING::rt_render_trace_block().

SetPixel()

static void SetPixel ( GLubyte *  p, const CCOLORRGB &  v  )

inlinestatic

Definition at line 143 of file c3d_render_raytracing.cpp.

{
    p[0] = v.c[0]; p[1] = v.c[1]; p[2] = v.c[2]; p[3] = 255;
}

References CCOLORRGB::c.

Referenced by C3D_RENDER_RAYTRACING::render_preview().