render_3d_raytrace.cpp File Reference

#include <gal/opengl/kiglew.h>
#include <algorithm>
#include <atomic>
#include <chrono>
#include <climits>
#include <thread>
#include "render_3d_raytrace.h"
#include "mortoncodes.h"
#include "../color_rgb.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 COLOR_RGB &v)
static SFVEC3F	convertLinearToSRGB (const SFVEC3F &aRGBcolor)
SFVEC3F	ConvertSRGBToLinear (const SFVEC3F &aSRGBcolor)
static void	HITINFO_PACKET_init (HITINFO_PACKET *aHitPacket)
static float	distance (const SFVEC2UI &a, const SFVEC2UI &b)

Macro Definition Documentation

DISP_FACTOR

#define DISP_FACTOR   0.075f

Definition at line 626 of file render_3d_raytrace.cpp.

SRGB_GAMA

#define SRGB_GAMA   2.4f

Todo:

This should be removed in future when KiCad supports a greater version of glm lib.

Definition at line 416 of file render_3d_raytrace.cpp.

USE_EXPERIMENTAL_SOFT_SHADOWS

#define USE_EXPERIMENTAL_SOFT_SHADOWS   1

Definition at line 1549 of file render_3d_raytrace.cpp.

Function Documentation

convertLinearToSRGB()

static SFVEC3F convertLinearToSRGB ( const SFVEC3F &  aRGBcolor )

static

Definition at line 421 of file render_3d_raytrace.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 RENDER_3D_RAYTRACE::postProcessBlurFinish(), and RENDER_3D_RAYTRACE::renderFinalColor().

ConvertSRGBToLinear()

SFVEC3F ConvertSRGBToLinear

(

const SFVEC3F &

aSRGBcolor

)

Definition at line 434 of file render_3d_raytrace.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 RENDER_3D_RAYTRACE::addModels(), RENDER_3D_RAYTRACE::createItemsFromContainer(), RENDER_3D_RAYTRACE::createObject(), RENDER_3D_RAYTRACE::getModelMaterial(), RENDER_3D_RAYTRACE::insertHole(), RENDER_3D_RAYTRACE::Reload(), RENDER_3D_RAYTRACE::render(), and RENDER_3D_RAYTRACE::setupMaterials().

distance()

static float distance ( const SFVEC2UI &  a, const SFVEC2UI &  b  )

static

Definition at line 1861 of file render_3d_raytrace.cpp.

{
    const float dx = (float) a.x - (float) b.x;
    const float dy = (float) a.y - (float) b.y;
    return hypotf( dx, dy );
}

Referenced by LIB_POLYLINE::AddCorner(), PCB_POINT_EDITOR::addCorner(), DIALOG_NET_INSPECTOR::DATA_MODEL::addItem(), SHAPE_POLY_SET::chamferFilletPolygon(), SHAPE_POLY_SET::CollideEdge(), SHAPE_POLY_SET::CollideVertex(), distanceFromPointToLine(), PAD_TOOL::EnumeratePads(), KIGFX::COLOR4D::FindNearestLegacyColor(), DIALOG_SPICE_MODEL::generatePowerSource(), PCAD2KICAD::PCB::GetBoardOutline(), NET_GRID_TABLE::GetRowByNetcode(), LIB_ARC::HitTest(), PCB_SELECTION_TOOL::hitTestDistance(), RENDER_3D_RAYTRACE::initializeBlockPositions(), SEXPR::PARSER::parseString(), DSN::scale(), and DIALOG_FIND::search().

HITINFO_PACKET_init()

static void HITINFO_PACKET_init ( HITINFO_PACKET *  aHitPacket )

static

Definition at line 469 of file render_3d_raytrace.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 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 RENDER_3D_RAYTRACE::renderBlockTracing().

SetPixel()

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

inlinestatic

Definition at line 143 of file render_3d_raytrace.cpp.

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

References COLOR_RGB::c.

Referenced by RENDER_3D_RAYTRACE::renderPreview().