Ryzom
/
ryzom-core
1
1
Fork 0
Code Issues 38 Pull Requests Projects 1 Releases 1 Activity

Added point light support.

Browse Source 
--HG--
branch : gsoc2013-dfighter
hg/feature/gsoc2013-dfighter
dfighter1985 11 years ago
parent 9a647a893c
commit 0ab68ef25f
7 changed files with 207 additions and 47 deletions
Show Stats Download Patch File Download Diff File

32
code/nel/include/nel/3d/i_program_object.h
Unescape Escape View File

@ -91,6 +91,38 @@ namespace NL3D
Light5Shininess,
Light6Shininess,
Light7Shininess,
Light0Pos,
Light1Pos,
Light2Pos,
Light3Pos,
Light4Pos,
Light5Pos,
Light6Pos,
Light7Pos,
Light0ConstAttn,
Light1ConstAttn,
Light2ConstAttn,
Light3ConstAttn,
Light4ConstAttn,
Light5ConstAttn,
Light6ConstAttn,
Light7ConstAttn,
Light0LinAttn,
Light1LinAttn,
Light2LinAttn,
Light3LinAttn,
Light4LinAttn,
Light5LinAttn,
Light6LinAttn,
Light7LinAttn,
Light0QuadAttn,
Light1QuadAttn,
Light2QuadAttn,
Light3QuadAttn,
Light4QuadAttn,
Light5QuadAttn,
Light6QuadAttn,
Light7QuadAttn,
NUM_UNIFORMS
};

34
code/nel/src/3d/driver/OpenGL3/driver_glsl_program.cpp
Unescape Escape View File

@ -236,7 +236,39 @@ namespace NL3D
"light4Shininess",
"light5Shininess",
"light6Shininess",
"light7Shininess"
"light7Shininess",
"light0Pos",
"light1Pos",
"light2Pos",
"light3Pos",
"light4Pos",
"light5Pos",
"light6Pos",
"light7Pos",
"light0ConstAttn",
"light1ConstAttn",
"light2ConstAttn",
"light3ConstAttn",
"light4ConstAttn",
"light5ConstAttn",
"light6ConstAttn",
"light7ConstAttn",
"light0LinAttn",
"light1LinAttn",
"light2LinAttn",
"light3LinAttn",
"light4LinAttn",
"light5LinAttn",
"light6LinAttn",
"light7LinAttn",
"light0QuadAttn",
"light1QuadAttn",
"light2QuadAttn",
"light3QuadAttn",
"light4QuadAttn",
"light5QuadAttn",
"light6QuadAttn",
"light7QuadAttn"
};
void CGLSLProgram::cacheUniformIndices()

114
code/nel/src/3d/driver/OpenGL3/driver_glsl_shader_generator.cpp
Unescape Escape View File

@ -367,6 +367,17 @@ namespace NL3D
ss << "uniform vec4 light" << i << "ColSpec;" << std::endl;
ss << "uniform float light" << i << "Shininess;" << std::endl;
break;
case CShaderDesc::Point:
ss << "uniform vec3 light" << i << "Pos;" << std::endl;
ss << "uniform vec4 light" << i << "ColDiff;" << std::endl;
ss << "uniform vec4 light" << i << "ColAmb;" << std::endl;
ss << "uniform vec4 light" << i << "ColSpec;" << std::endl;
ss << "uniform float light" << i << "Shininess;" << std::endl;
ss << "uniform float light" << i << "ConstAttn;" << std::endl;
ss << "uniform float light" << i << "LinAttn;" << std::endl;
ss << "uniform float light" << i << "QuadAttn;" << std::endl;
break;
}
}
}
@ -390,36 +401,12 @@ namespace NL3D
void CGLSLShaderGenerator::addLightOutsVS()
{
for( int i = 0; i < SHADER_MAX_LIGHTS; i++ )
{
switch( desc->getLight( i ) )
{
case CShaderDesc::Nolight:
continue;
break;
case CShaderDesc::Directional:
ss << "smooth out vec4 lightColor;" << std::endl;
break;
}
}
}
void CGLSLShaderGenerator::addLightInsFS()
{
for( int i = 0; i < SHADER_MAX_LIGHTS; i++ )
{
switch( desc->getLight( i ) )
{
case CShaderDesc::Nolight:
continue;
break;
case CShaderDesc::Directional:
ss << "smooth in vec4 lightColor;" << std::endl;
break;
}
}
}
void CGLSLShaderGenerator::addDirectionalFunctionVS( int num )
@ -438,9 +425,7 @@ namespace NL3D
ss << "{" << std::endl;
ss << "vec3 normal3 = vnormal.xyz / vnormal.w;" << std::endl;
ss << "normal3 = normalMatrix * normal3;" << std::endl;
//ss << "vec3 reflection = reflect( normalize( -light" << num << "Dir ), normal3 );" << std::endl;
ss << "vec3 halfVector = normalize( light" << num << "Dir + normal3 );" << std::endl;
//ss << "float angle = dot( normal3, reflection );" << std::endl;
ss << "float angle = dot( normal3, halfVector );" << std::endl;
ss << "angle = max( 0.0, angle );" << std::endl;
ss << "float si = pow( angle, light" << num << "Shininess );" << std::endl;
@ -449,6 +434,50 @@ namespace NL3D
ss << std::endl;
}
void CGLSLShaderGenerator::addPointLightFunctionVS( int num )
{
ss << "float getIntensity" << num << "( vec3 normal3, vec3 direction3 )" << std::endl;
ss << "{" << std::endl;
ss << "float angle = dot( normalize( direction3 ), normal3 );" << std::endl;
ss << "angle = max( 0.0, angle );" << std::endl;
ss << "return angle;" << std::endl;
ss << "}" << std::endl;
ss << std::endl;
ss << "float getSpecIntensity" << num << "( vec3 normal3, vec3 direction3 )" << std::endl;
ss << "{" << std::endl;
ss << "vec3 halfVector = normalize( direction3 + normal3 );" << std::endl;
ss << "float angle = dot( normal3, halfVector );" << std::endl;
ss << "angle = max( 0.0, angle );" << std::endl;
ss << "float si = pow( angle, light" << num << "Shininess );" << std::endl;
ss << "return si;" << std::endl;
ss << "}" << std::endl;
ss << std::endl;
ss << "vec4 getLight" << num << "Color()" << std::endl;
ss << "{" << std::endl;
ss << "vec3 ecPos3 = ecPos4.xyz / ecPos4.w;" << std::endl;
ss << "vec3 lightDirection = light" << num << "Pos - ecPos3;" << std::endl;
ss << "float lightDistance = length( lightDirection );" << std::endl;
ss << "lightDirection = normalize( lightDirection );" << std::endl;
ss << "float attenuation = light" << num << "ConstAttn + ";
ss << "light" << num << "LinAttn * lightDistance +";
ss << "light" << num << "QuadAttn * lightDistance * lightDistance;" << std::endl;
ss << "vec3 normal3 = vnormal.xyz / vnormal.w;" << std::endl;
ss << "normal3 = normalMatrix * normal3;" << std::endl;
ss << "vec4 lc = getIntensity" << num << "( normal3, lightDirection ) * light" << num << "ColDiff + ";
ss << "getSpecIntensity" << num << "( normal3, lightDirection ) * light" << num << "ColSpec + ";
ss << "light" << num << "ColAmb;" << std::endl;
ss << "lc = lc / attenuation;" << std::endl;
ss << "return lc;" << std::endl;
ss << "}" << std::endl;
ss << std::endl;
}
void CGLSLShaderGenerator::addLightsFunctionVS()
{
for( int i = 0; i < SHADER_MAX_LIGHTS; i++ )
@ -462,7 +491,13 @@ namespace NL3D
case CShaderDesc::Directional:
addDirectionalFunctionVS( i );
break;
case CShaderDesc::Point:
addPointLightFunctionVS( i );
break;
}
}
}
@ -476,7 +511,7 @@ namespace NL3D
void CGLSLShaderGenerator::addLightsVS()
{
ss << "lightColor = vec4( 1.0, 1.0, 1.0, 1.0 );" << std::endl;
ss << "lightColor = vec4( 0.0, 0.0, 0.0, 1.0 );" << std::endl;
for( int i = 0; i < SHADER_MAX_LIGHTS; i++ )
{
@ -487,12 +522,16 @@ namespace NL3D
break;
case CShaderDesc::Directional:
ss << "lightColor = lightColor * (";
ss << "lightColor = lightColor + (";
ss << "getIntensity" << i << "() * light" << i << "ColDiff + ";
ss << "getSpecIntensity" << i << "() * light" << i << "ColSpec + ";
ss << "light" << i << "ColAmb );";
ss << std::endl;
break;
case CShaderDesc::Point:
ss << "lightColor = lightColor + getLight" << i << "Color();" << std::endl;
break;
}
}
}
@ -510,8 +549,14 @@ namespace NL3D
{
ss << "uniform mat4 mvMatrix;" << std::endl;
}
if( desc->fogEnabled() || desc->hasPointLight() )
{
ss << "vec4 ecPos4;" << std::endl;
}
if( desc->fogEnabled() )
ss << "smooth out vec4 ecPos;" << std::endl;
ss << std::endl;
if( desc->lightingEnabled() )
@ -533,13 +578,16 @@ namespace NL3D
if( desc->lightingEnabled() )
ss << "calcNMFromMV();" << std::endl;
if( desc->lightingEnabled() )
addLightsVS();
ss << "gl_Position = mvpMatrix * " << "v" << attribNames[ 0 ] << ";" << std::endl;
if( desc->fogEnabled() || desc->hasPointLight() )
ss << "ecPos4 = mvMatrix * v" << attribNames[ 0 ] << ";" << std::endl;
if( desc->fogEnabled() )
ss << "ecPos = mvMatrix * v" << attribNames[ 0 ] << ";" << std::endl;
ss << "ecPos = ecPos4;" << std::endl;
if( desc->lightingEnabled() )
addLightsVS();
for( int i = Weight; i < NumOffsets; i++ )
{
@ -1201,7 +1249,7 @@ namespace NL3D
//ss << "vec4 texel = diffuse;" << std::endl;
//ss << "vec4 texel = vec4( 1.0, 1.0, 1.0, 1.0 );" << std::endl;
ss << "vec4 texel = vec4( 0.0, 0.0, 0.0, 0.0 );" << std::endl;
ss << "vec4 texel = vec4( 0.0, 0.0, 0.0, 1.0 );" << std::endl;
// Lightmaps
for( int i = 0; i < ntextures - 1; i++ )

1
code/nel/src/3d/driver/OpenGL3/driver_glsl_shader_generator.h
Unescape Escape View File

@ -60,6 +60,7 @@ namespace NL3D
void addLightOutsVS();
void addLightInsFS();
void addDirectionalFunctionVS( int num );
void addPointLightFunctionVS( int num );
void addLightsFunctionVS();
void addLightsFunctionFS();
void addLightsVS();

26
code/nel/src/3d/driver/OpenGL3/driver_opengl_program.cpp
Unescape Escape View File

@ -377,7 +377,7 @@ namespace NL3D
continue;
////////////////// Temporary insanity ///////////////////////////////
if( _LightMode[ i ] != CLight::DirectionalLight )
if( _LightMode[ i ] != CLight::DirectionalLight && _LightMode[ i ] != CLight::PointLight )
continue;
//////////////////////////////////////////////////////////////////////
@ -388,6 +388,13 @@ namespace NL3D
setUniform3f( ld, v.x, v.y, v.z );
}
int lp = currentProgram->getUniformIndex( IProgramObject::EUniform( IProgramObject::Light0Pos + i ) );
if( lp != -1 )
{
CVector v = _UserLight[ i ].getPosition();
setUniform3f( lp, v.x, v.y, v.z );
}
int ldc = currentProgram->getUniformIndex( IProgramObject::EUniform( IProgramObject::Light0ColDiff + i ) );
if( ldc != -1 )
{
@ -435,6 +442,23 @@ namespace NL3D
setUniform4f( lac, glCol[ 0 ], glCol[ 1 ], glCol[ 2 ], glCol[ 3 ] );
}
int lca = currentProgram->getUniformIndex( IProgramObject::EUniform( IProgramObject::Light0ConstAttn + i ) );
if( lca != -1 )
{
setUniform1f( lca, _UserLight[ i ].getConstantAttenuation() );
}
int lla = currentProgram->getUniformIndex( IProgramObject::EUniform( IProgramObject::Light0LinAttn + i ) );
if( lla != -1 )
{
setUniform1f( lla, _UserLight[ i ].getLinearAttenuation() );
}
int lqa = currentProgram->getUniformIndex( IProgramObject::EUniform( IProgramObject::Light0QuadAttn + i ) );
if( lqa != -1 )
{
setUniform1f( lqa, _UserLight[ i ].getQuadraticAttenuation() );
}
}

6
code/nel/src/3d/driver/OpenGL3/driver_opengl_shader_desc.h
Unescape Escape View File

@ -73,6 +73,7 @@ namespace NL3D
nlightmaps = 0;
alphaTestTreshold = 0.5f;
fogMode = Linear;
pointLight = false;
}
~CShaderDesc(){
@ -179,10 +180,14 @@ namespace NL3D
void setLight( int idx, TLightMode mode )
{
lightMode[ idx ] = mode;
if( mode == Point )
pointLight = true;
}
TLightMode getLight( int idx ) const{ return lightMode[ idx ]; }
bool hasPointLight() const{ return pointLight; }
IProgramObject* getProgram() const{ return program; }
private:
@ -203,6 +208,7 @@ namespace NL3D
float alphaTestTreshold;
uint32 fogMode;
TLightMode lightMode[ SHADER_MAX_LIGHTS ];
bool pointLight;
IProgramObject *program;
};

39
code/nel/tools/3d/object_viewer_qt/src/plugins/material_editor/nel3d_interface.cpp
Unescape Escape View File

@ -411,18 +411,35 @@ namespace MaterialEditor
driver->enableFog( true );
driver->setupFog( 1.0f, 5.0f, NLMISC::CRGBA::White );
NL3D::ULight *l = NL3D::ULight::createLight();
l->setMode( NL3D::ULight::DirectionalLight );
l->setDirection( NLMISC::CVector( -100.0f, 100.0f, 100.0f ) );
l->setAmbiant( NLMISC::CRGBA::CRGBA( 0.1f, 0.1f, 0.1f, 0.1f ) );
l->setSpecular( NLMISC::CRGBA::White );
l->setDiffuse( NLMISC::CRGBA::White );
driver->setLight( 0, *l );
NL3D::ULight *ld;
/*
// Let's add a directional light!
ld = NL3D::ULight::createLight();
ld->setMode( NL3D::ULight::DirectionalLight );
ld->setDirection( NLMISC::CVector( -100.0f, 100.0f, 100.0f ) );
ld->setAmbiant( NLMISC::CRGBA::CRGBA( 0.1f, 0.1f, 0.1f, 0.1f ) );
ld->setSpecular( NLMISC::CRGBA::White );
ld->setDiffuse( NLMISC::CRGBA::White );
driver->setLight( 0, *ld );
driver->enableLight( 0, true );
delete l;
l = NULL;
delete ld;
*/
// Let's add a point light as well!
ld = NL3D::ULight::createLight();
ld->setMode( NL3D::ULight::PointLight );
ld->setPosition( NLMISC::CVector( 0.0f, 0.0f, 0.0f ) );
ld->setAmbiant( NLMISC::CRGBA::CRGBA( 0.1f, 0.1f, 0.1f, 0.1f ) );
ld->setSpecular( NLMISC::CRGBA::White );
ld->setDiffuse( NLMISC::CRGBA::White );
ld->setConstantAttenuation( 1.0f );
ld->setLinearAttenuation( 0.0f );
ld->setQuadraticAttenuation( 0.0f );
driver->setLight( 1, *ld );
driver->enableLight( 1, true );
delete ld;
ld = NULL;
scene->enableLightingSystem( false );

Write Preview
Loading…
Cancel
Save