_shadowNumber->set( (int)_numCascades );
}
-
-#define STRINGIFY(x) #x
-#define TOSTRING(x) STRINGIFY(x)
-
-const char *ambient_vert_src = ""
- "#line " TOSTRING(__LINE__) " 1\n"
- "void main() {\n"
- " gl_Position = gl_Vertex;\n"
- " gl_TexCoord[0] = gl_MultiTexCoord0;\n"
- "}\n";
-
-const char *ambient_frag_src = ""
- "#line " TOSTRING(__LINE__) " 1\n"
- "uniform sampler2D color_tex;\n"
-// "uniform sampler2D ao_tex;\n"
- "uniform sampler2D normal_tex;\n"
- "uniform sampler2D spec_emis_tex;\n"
- "uniform vec4 fg_SunAmbientColor;\n"
- "void main() {\n"
- " vec2 coords = gl_TexCoord[0].xy;\n"
- " float initialized = texture2D( spec_emis_tex, coords ).a;\n"
- " if ( initialized < 0.1 )\n"
- " discard;\n"
- " vec3 tcolor = texture2D( color_tex, coords ).rgb;\n"
-// " float ao = texture2D( ao_tex, coords ).r;\n"
-// " gl_FragColor = vec4(tcolor*fg_SunAmbientColor.rgb*ao, 1.0);\n"
- " gl_FragColor = vec4(tcolor*fg_SunAmbientColor.rgb, 1.0);\n"
- "}\n";
-
-const char *sunlight_vert_src = ""
- "#line " TOSTRING(__LINE__) " 1\n"
-// "uniform mat4 fg_ViewMatrixInverse;\n"
- "uniform mat4 fg_ProjectionMatrixInverse;\n"
- "varying vec3 ray;\n"
- "void main() {\n"
- " gl_Position = gl_Vertex;\n"
- " gl_TexCoord[0] = gl_MultiTexCoord0;\n"
-// " ray = (fg_ViewMatrixInverse * vec4((fg_ProjectionMatrixInverse * gl_Vertex).xyz, 0.0)).xyz;\n"
- " ray = (fg_ProjectionMatrixInverse * gl_Vertex).xyz;\n"
- "}\n";
-
-const char *sunlight_frag_src = ""
-#if 0
- "#version 130\n"
-#endif
- "#line " TOSTRING(__LINE__) " 1\n"
- "uniform mat4 fg_ViewMatrix;\n"
- "uniform sampler2D depth_tex;\n"
- "uniform sampler2D normal_tex;\n"
- "uniform sampler2D color_tex;\n"
- "uniform sampler2D spec_emis_tex;\n"
- "uniform sampler2DShadow shadow_tex;\n"
- "uniform vec4 fg_SunDiffuseColor;\n"
- "uniform vec4 fg_SunSpecularColor;\n"
- "uniform vec3 fg_SunDirection;\n"
- "uniform vec3 fg_Planes;\n"
- "varying vec3 ray;\n"
- "vec4 DynamicShadow( in vec4 ecPosition, out vec4 tint )\n"
- "{\n"
- " vec4 coords;\n"
- " vec2 shift = vec2( 0.0 );\n"
- " int index = 4;\n"
- " if (ecPosition.z > -5.0) {\n"
- " index = 1;\n"
- " tint = vec4(0.0,1.0,0.0,1.0);\n"
- " } else if (ecPosition.z > -50.0) {\n"
- " index = 2;\n"
- " shift = vec2( 0.0, 0.5 );\n"
- " tint = vec4(0.0,0.0,1.0,1.0);\n"
- " } else if (ecPosition.z > -512.0) {\n"
- " index = 3;\n"
- " shift = vec2( 0.5, 0.0 );\n"
- " tint = vec4(1.0,1.0,0.0,1.0);\n"
- " } else if (ecPosition.z > -10000.0) {\n"
- " shift = vec2( 0.5, 0.5 );\n"
- " tint = vec4(1.0,0.0,0.0,1.0);\n"
- " } else {\n"
- " return vec4(1.1,1.1,0.0,1.0);\n" // outside, clamp to border
- " }\n"
- " coords.s = dot( ecPosition, gl_EyePlaneS[index] );\n"
- " coords.t = dot( ecPosition, gl_EyePlaneT[index] );\n"
- " coords.p = dot( ecPosition, gl_EyePlaneR[index] );\n"
- " coords.q = dot( ecPosition, gl_EyePlaneQ[index] );\n"
- " coords.st *= .5;\n"
- " coords.st += shift;\n"
- " return coords;\n"
- "}\n"
- "void main() {\n"
- " vec2 coords = gl_TexCoord[0].xy;\n"
- " vec4 spec_emis = texture2D( spec_emis_tex, coords );\n"
- " if ( spec_emis.a < 0.1 )\n"
- " discard;\n"
- " vec3 normal;\n"
- " normal.xy = texture2D( normal_tex, coords ).rg * 2.0 - vec2(1.0,1.0);\n"
- " normal.z = sqrt( 1.0 - dot( normal.xy, normal.xy ) );\n"
- " float len = length(normal);\n"
- " normal /= len;\n"
- " vec3 viewDir = normalize(ray);\n"
- " float depth = texture2D( depth_tex, coords ).r;\n"
- " vec3 pos;\n"
- " pos.z = - fg_Planes.y / (fg_Planes.x + depth * fg_Planes.z);\n"
- " pos.xy = viewDir.xy / viewDir.z * pos.z;\n"
-
- " vec4 tint;\n"
-#if 0
- " float shadow = 1.0;\n"
-#elif 1
- " float shadow = shadow2DProj( shadow_tex, DynamicShadow( vec4( pos, 1.0 ), tint ) ).r;\n"
-#else
- " float kernel[9] = float[]( 36/256.0, 24/256.0, 6/256.0,\n"
- " 24/256.0, 16/256.0, 4/256.0,\n"
- " 6/256.0, 4/256.0, 1/256.0 );\n"
- " float shadow = 0;\n"
- " for( int x = -2; x <= 2; ++x )\n"
- " for( int y = -2; y <= 2; ++y )\n"
- " shadow += kernel[abs(x)*3 + abs(y)] * shadow2DProj( shadow_tex, DynamicShadow( vec4(pos + vec3(0.05 * x, 0.05 * y, 0), 1.0), tint ) ).r;\n"
-#endif
- " vec3 lightDir = (fg_ViewMatrix * vec4( fg_SunDirection, 0.0 )).xyz;\n"
- " lightDir = normalize( lightDir );\n"
- " vec3 color = texture2D( color_tex, coords ).rgb;\n"
- " vec3 Idiff = clamp( dot( lightDir, normal ), 0.0, 1.0 ) * color * fg_SunDiffuseColor.rgb;\n"
- " vec3 halfDir = lightDir - viewDir;\n"
- " len = length( halfDir );\n"
- " vec3 Ispec = vec3(0.0);\n"
- " vec3 Iemis = spec_emis.z * color;\n"
- " if (len > 0.0001) {\n"
- " halfDir /= len;\n"
- " Ispec = pow( clamp( dot( halfDir, normal ), 0.0, 1.0 ), spec_emis.y * 255.0 ) * spec_emis.x * fg_SunSpecularColor.rgb;\n"
- " }\n"
- " gl_FragColor = vec4(mix(vec3(0.0), Idiff + Ispec, shadow) + Iemis, 1.0);\n"
-// " gl_FragColor = mix(tint, vec4(mix(vec3(0.0), Idiff + Ispec, shadow) + Iemis, 1.0), 0.92);\n"
- "}\n";
-
-const char *fog_vert_src = ""
- "#line " TOSTRING(__LINE__) " 1\n"
- "uniform mat4 fg_ProjectionMatrixInverse;\n"
- "varying vec3 ray;\n"
- "void main() {\n"
- " gl_Position = gl_Vertex;\n"
- " gl_TexCoord[0] = gl_MultiTexCoord0;\n"
- " ray = (fg_ProjectionMatrixInverse * gl_Vertex).xyz;\n"
- "}\n";
-
-const char *fog_frag_src = ""
- "#line " TOSTRING(__LINE__) " 1\n"
- "uniform sampler2D depth_tex;\n"
- "uniform sampler2D normal_tex;\n"
- "uniform sampler2D color_tex;\n"
- "uniform sampler2D spec_emis_tex;\n"
- "uniform vec4 fg_FogColor;\n"
- "uniform float fg_FogDensity;\n"
- "uniform vec3 fg_Planes;\n"
- "varying vec3 ray;\n"
- "void main() {\n"
- " vec2 coords = gl_TexCoord[0].xy;\n"
- " float initialized = texture2D( spec_emis_tex, coords ).a;\n"
- " if ( initialized < 0.1 )\n"
- " discard;\n"
- " vec3 normal;\n"
- " normal.xy = texture2D( normal_tex, coords ).rg * 2.0 - vec2(1.0,1.0);\n"
- " normal.z = sqrt( 1.0 - dot( normal.xy, normal.xy ) );\n"
- " float len = length(normal);\n"
- " normal /= len;\n"
- " vec3 viewDir = normalize(ray);\n"
- " float depth = texture2D( depth_tex, coords ).r;\n"
- " vec3 pos;\n"
- " pos.z = - fg_Planes.y / (fg_Planes.x + depth * fg_Planes.z);\n"
- " pos.xy = viewDir.xy / viewDir.z * pos.z;\n"
-
- " float fogFactor = 0.0;\n"
- " const float LOG2 = 1.442695;\n"
- " fogFactor = exp2(-fg_FogDensity * fg_FogDensity * pos.z * pos.z * LOG2);\n"
- " fogFactor = clamp(fogFactor, 0.0, 1.0);\n"
-
- " gl_FragColor = vec4(fg_FogColor.rgb, 1.0 - fogFactor);\n"
- "}\n";
-
osg::Camera* FGRenderer::buildDeferredLightingCamera( flightgear::CameraInfo* info, osg::GraphicsContext* gc )
{
osg::Camera* camera = new osg::Camera;
g->setUseDisplayList(false);
simgear::EffectGeode* eg = new simgear::EffectGeode;
simgear::Effect* effect = simgear::makeEffect("Effects/ambient", true);
- if (effect) {
- eg->setEffect( effect );
- } else {
- SG_LOG( SG_VIEW, SG_ALERT, "=> Using default, builtin, Effects/ambient" );
- ss = eg->getOrCreateStateSet();
- ss->setMode( GL_LIGHTING, osg::StateAttribute::OFF );
- ss->setMode( GL_DEPTH_TEST, osg::StateAttribute::OFF );
- ss->setTextureAttributeAndModes( 0, info->getBuffer( "depth" ) );
- ss->setTextureAttributeAndModes( 1, info->getBuffer( "normal" ) );
- ss->setTextureAttributeAndModes( 2, info->getBuffer( "diffuse" ) );
- ss->setTextureAttributeAndModes( 3, info->getBuffer( "spec-emis" ) );
- //ss->setTextureAttributeAndModes( 4, info->gBuffer->aoBuffer[2] );
- ss->addUniform( new osg::Uniform( "depth_tex", 0 ) );
- ss->addUniform( new osg::Uniform( "normal_tex", 1 ) );
- ss->addUniform( new osg::Uniform( "color_tex", 2 ) );
- ss->addUniform( new osg::Uniform( "spec_emis_tex", 3 ) );
- //ss->addUniform( new osg::Uniform( "ao_tex", 4 ) );
- ss->setRenderBinDetails( 0, "RenderBin" );
- osg::Program* program = new osg::Program;
- program->addShader( new osg::Shader( osg::Shader::VERTEX, ambient_vert_src ) );
- program->addShader( new osg::Shader( osg::Shader::FRAGMENT, ambient_frag_src ) );
- ss->setAttributeAndModes( program );
+ if (!effect) {
+ SG_LOG(SG_VIEW, SG_ALERT, "Effects/ambient not found");
+ return 0;
}
-
+ eg->setEffect( effect );
g->setName( "AmbientQuad" );
eg->setName("AmbientQuad");
eg->setCullingActive(false);
g->setName( "SunlightQuad" );
eg = new simgear::EffectGeode;
effect = simgear::makeEffect("Effects/sunlight", true);
- if (effect) {
- eg->setEffect( effect );
- } else {
- SG_LOG( SG_VIEW, SG_ALERT, "=> Using default, builtin, Effects/sunlight" );
- ss = eg->getOrCreateStateSet();
- ss->setMode( GL_LIGHTING, osg::StateAttribute::OFF );
- ss->setMode( GL_DEPTH_TEST, osg::StateAttribute::OFF );
- ss->setAttributeAndModes( new osg::BlendFunc( osg::BlendFunc::ONE, osg::BlendFunc::ONE ) );
- ss->setTextureAttribute( 0, info->getBuffer( "depth" ) );
- ss->setTextureAttribute( 1, info->getBuffer( "normal" ) );
- ss->setTextureAttribute( 2, info->getBuffer( "diffuse" ) );
- ss->setTextureAttribute( 3, info->getBuffer( "spec-emis" ) );
- ss->setTextureAttribute( 4, info->getBuffer( "shadow" ) );
- ss->addUniform( new osg::Uniform( "depth_tex", 0 ) );
- ss->addUniform( new osg::Uniform( "normal_tex", 1 ) );
- ss->addUniform( new osg::Uniform( "color_tex", 2 ) );
- ss->addUniform( new osg::Uniform( "spec_emis_tex", 3 ) );
- ss->addUniform( new osg::Uniform( "shadow_tex", 4 ) );
- ss->setRenderBinDetails( 1, "RenderBin" );
- osg::Program* program = new osg::Program;
- program->addShader( new osg::Shader( osg::Shader::VERTEX, sunlight_vert_src ) );
- program->addShader( new osg::Shader( osg::Shader::FRAGMENT, sunlight_frag_src ) );
- ss->setAttributeAndModes( program );
+ if (!effect) {
+ SG_LOG(SG_VIEW, SG_ALERT, "Effects/sunlight not found");
+ return 0;
}
+ eg->setEffect( effect );
eg->setName("SunlightQuad");
eg->setCullingActive(false);
eg->addDrawable(g);
g->setName( "FogQuad" );
eg = new simgear::EffectGeode;
effect = simgear::makeEffect("Effects/fog", true);
- if (effect) {
- eg->setEffect( effect );
- } else {
- SG_LOG( SG_VIEW, SG_ALERT, "=> Using default, builtin, Effects/fog" );
- ss = eg->getOrCreateStateSet();
- ss->setMode( GL_LIGHTING, osg::StateAttribute::OFF );
- ss->setMode( GL_DEPTH_TEST, osg::StateAttribute::OFF );
- ss->setAttributeAndModes( new osg::BlendFunc( osg::BlendFunc::SRC_ALPHA, osg::BlendFunc::ONE_MINUS_SRC_ALPHA ) );
- ss->setTextureAttributeAndModes( 0, info->getBuffer( "depth" ) );
- ss->setTextureAttributeAndModes( 1, info->getBuffer( "normal" ) );
- ss->setTextureAttributeAndModes( 2, info->getBuffer( "diffuse" ) );
- ss->setTextureAttributeAndModes( 3, info->getBuffer( "spec-emis" ) );
- ss->addUniform( new osg::Uniform( "depth_tex", 0 ) );
- ss->addUniform( new osg::Uniform( "normal_tex", 1 ) );
- ss->addUniform( new osg::Uniform( "color_tex", 2 ) );
- ss->addUniform( new osg::Uniform( "spec_emis_tex", 3 ) );
- ss->setRenderBinDetails( 10000, "RenderBin" );
- osg::Program* program = new osg::Program;
- program->addShader( new osg::Shader( osg::Shader::VERTEX, fog_vert_src ) );
- program->addShader( new osg::Shader( osg::Shader::FRAGMENT, fog_frag_src ) );
- ss->setAttributeAndModes( program );
+ if (!effect) {
+ SG_LOG(SG_VIEW, SG_ALERT, "Effects/fog not found");
+ return 0;
}
+ eg->setEffect( effect );
eg->setName("FogQuad");
eg->setCullingActive(false);
eg->addDrawable(g);
projects / flightgear.git / commitdiff