Ejemplo n.º 1
0
bool SkColorCubeFilter::asFragmentProcessors(GrContext* context,
                                             SkTDArray<GrFragmentProcessor*>* array) const {
    static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
    GrUniqueKey key;
    GrUniqueKey::Builder builder(&key, kDomain, 2);
    builder[0] = fUniqueID;
    builder[1] = fCache.cubeDimension();
    builder.finish();

    GrSurfaceDesc desc;
    desc.fWidth = fCache.cubeDimension();
    desc.fHeight = fCache.cubeDimension() * fCache.cubeDimension();
    desc.fConfig = kRGBA_8888_GrPixelConfig;

    SkAutoTUnref<GrTexture> textureCube(context->findAndRefCachedTexture(key));
    if (!textureCube) {
        textureCube.reset(context->createTexture(desc, true, fCubeData->data(), 0));
        if (textureCube) {
            context->addResourceToCache(key, textureCube);
        }
    }

    GrFragmentProcessor* frag = textureCube ? GrColorCubeEffect::Create(textureCube) : NULL;
    if (frag) {
        if (array) {
            *array->append() = frag;
        }
        return true;
    }
    return false;
}
Ejemplo n.º 2
0
const GrFragmentProcessor* SkColorCubeFilter::asFragmentProcessor(GrContext* context) const {
    static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
    GrUniqueKey key;
    GrUniqueKey::Builder builder(&key, kDomain, 2);
    builder[0] = fUniqueID;
    builder[1] = fCache.cubeDimension();
    builder.finish();

    GrSurfaceDesc desc;
    desc.fWidth = fCache.cubeDimension();
    desc.fHeight = fCache.cubeDimension() * fCache.cubeDimension();
    desc.fConfig = kRGBA_8888_GrPixelConfig;

    SkAutoTUnref<GrTexture> textureCube(
        context->textureProvider()->findAndRefTextureByUniqueKey(key));
    if (!textureCube) {
        textureCube.reset(context->textureProvider()->createTexture(
            desc, true, fCubeData->data(), 0));
        if (textureCube) {
            context->textureProvider()->assignUniqueKeyToTexture(key, textureCube);
        } else {
            return nullptr;
        }
    }

    return GrColorCubeEffect::Create(textureCube);
}
Ejemplo n.º 3
0
bool SkColorCubeFilter::asFragmentProcessors(GrContext* context, GrProcessorDataManager*,
                                             SkTDArray<const GrFragmentProcessor*>* array) const {
    static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
    GrUniqueKey key;
    GrUniqueKey::Builder builder(&key, kDomain, 2);
    builder[0] = fUniqueID;
    builder[1] = fCache.cubeDimension();
    builder.finish();

    GrSurfaceDesc desc;
    desc.fWidth = fCache.cubeDimension();
    desc.fHeight = fCache.cubeDimension() * fCache.cubeDimension();
    desc.fConfig = kRGBA_8888_GrPixelConfig;

    SkAutoTUnref<GrTexture> textureCube(
        context->textureProvider()->findAndRefTextureByUniqueKey(key));
    if (!textureCube) {
        textureCube.reset(context->textureProvider()->createTexture(
            desc, true, fCubeData->data(), 0));
        if (textureCube) {
            context->textureProvider()->assignUniqueKeyToTexture(key, textureCube);
        }
    }

    GrFragmentProcessor* frag = textureCube ? GrColorCubeEffect::Create(textureCube) : nullptr;
    if (frag) {
        if (array) {
            *array->append() = frag;
        } else {
            frag->unref();
            SkDEBUGCODE(frag = nullptr;)
        }
        return true;
    }
    return false;
}
Ejemplo n.º 4
0
void main() {
	gl_FragColor = vec4( textureCube( scSky, normalize( UVCoord ) ).xyz, 1.0 );
}
Ejemplo n.º 5
0
void main()                                                                   \n\
{                                                                             \n\
    vec4 Texel = textureCube(SkyBox, PosL);                                   \n\
    gl_FragColor = Texel;                                                     \n\
}";
Ejemplo n.º 6
0
void main() {
	vec3 outgoingLight = vec3( 0.0 );
	vec4 diffuseColor = vec4( diffuse, opacity );
	vec3 totalAmbientLight = vec3( 1.0 );
	vec3 shadowMask = vec3( 1.0 );
#if defined(USE_LOGDEPTHBUF) && defined(USE_LOGDEPTHBUF_EXT)

	gl_FragDepthEXT = log2(vFragDepth) * logDepthBufFC * 0.5;

#endif
#ifdef USE_MAP

	vec4 texelColor = texture2D( map, vUv );

	texelColor.xyz = inputToLinear( texelColor.xyz );

	diffuseColor *= texelColor;

#endif

#ifdef USE_COLOR

	diffuseColor.rgb *= vColor;

#endif
#ifdef USE_ALPHAMAP

	diffuseColor.a *= texture2D( alphaMap, vUv ).g;

#endif

#ifdef ALPHATEST

	if ( diffuseColor.a < ALPHATEST ) discard;

#endif

float specularStrength;

#ifdef USE_SPECULARMAP

	vec4 texelSpecular = texture2D( specularMap, vUv );
	specularStrength = texelSpecular.r;

#else

	specularStrength = 1.0;

#endif
#ifdef USE_AOMAP

	totalAmbientLight *= ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;

#endif

#ifdef USE_SHADOWMAP

	for ( int i = 0; i < MAX_SHADOWS; i ++ ) {

		float texelSizeY =  1.0 / shadowMapSize[ i ].y;

		float shadow = 0.0;

#if defined( POINT_LIGHT_SHADOWS )

		bool isPointLight = shadowDarkness[ i ] < 0.0;

		if ( isPointLight ) {

			float realShadowDarkness = abs( shadowDarkness[ i ] );

			vec3 lightToPosition = vShadowCoord[ i ].xyz;

	#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT )

			vec3 bd3D = normalize( lightToPosition );
			float dp = length( lightToPosition );

			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D, texelSizeY ) ), shadowBias[ i ], shadow );


	#if defined( SHADOWMAP_TYPE_PCF )
			const float Dr = 1.25;
	#elif defined( SHADOWMAP_TYPE_PCF_SOFT )
			const float Dr = 2.25;
	#endif

			float os = Dr *  2.0 * texelSizeY;

			const vec3 Gsd = vec3( - 1, 0, 1 );

			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.zzz * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.zxz * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.xxz * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.xzz * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.zzx * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.zxx * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.xxx * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.xzx * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.zzy * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.zxy * os, texelSizeY ) ), shadowBias[ i ], shadow );

			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.xxy * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.xzy * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.zyz * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.xyz * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.zyx * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.xyx * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.yzz * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.yxz * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.yxx * os, texelSizeY ) ), shadowBias[ i ], shadow );
			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D + Gsd.yzx * os, texelSizeY ) ), shadowBias[ i ], shadow );

			shadow *= realShadowDarkness * ( 1.0 / 21.0 );

	#else 
			vec3 bd3D = normalize( lightToPosition );
			float dp = length( lightToPosition );

			adjustShadowValue1K( dp, texture2D( shadowMap[ i ], cubeToUV( bd3D, texelSizeY ) ), shadowBias[ i ], shadow );

			shadow *= realShadowDarkness;

	#endif

		} else {

#endif 
			float texelSizeX =  1.0 / shadowMapSize[ i ].x;

			vec3 shadowCoord = vShadowCoord[ i ].xyz / vShadowCoord[ i ].w;


			bvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );
			bool inFrustum = all( inFrustumVec );

			bvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );

			bool frustumTest = all( frustumTestVec );

			if ( frustumTest ) {

	#if defined( SHADOWMAP_TYPE_PCF )


				/*
					for ( float y = -1.25; y <= 1.25; y += 1.25 )
						for ( float x = -1.25; x <= 1.25; x += 1.25 ) {
							vec4 rgbaDepth = texture2D( shadowMap[ i ], vec2( x * xPixelOffset, y * yPixelOffset ) + shadowCoord.xy );
							float fDepth = unpackDepth( rgbaDepth );
							if ( fDepth < shadowCoord.z )
								shadow += 1.0;
					}
					shadow /= 9.0;
				*/

				shadowCoord.z += shadowBias[ i ];

				const float ShadowDelta = 1.0 / 9.0;

				float xPixelOffset = texelSizeX;
				float yPixelOffset = texelSizeY;

				float dx0 = - 1.25 * xPixelOffset;
				float dy0 = - 1.25 * yPixelOffset;
				float dx1 = 1.25 * xPixelOffset;
				float dy1 = 1.25 * yPixelOffset;

				float fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, dy0 ) ) );
				if ( fDepth < shadowCoord.z ) shadow += ShadowDelta;

				fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( 0.0, dy0 ) ) );
				if ( fDepth < shadowCoord.z ) shadow += ShadowDelta;

				fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, dy0 ) ) );
				if ( fDepth < shadowCoord.z ) shadow += ShadowDelta;

				fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, 0.0 ) ) );
				if ( fDepth < shadowCoord.z ) shadow += ShadowDelta;

				fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy ) );
				if ( fDepth < shadowCoord.z ) shadow += ShadowDelta;

				fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, 0.0 ) ) );
				if ( fDepth < shadowCoord.z ) shadow += ShadowDelta;

				fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, dy1 ) ) );
				if ( fDepth < shadowCoord.z ) shadow += ShadowDelta;

				fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( 0.0, dy1 ) ) );
				if ( fDepth < shadowCoord.z ) shadow += ShadowDelta;

				fDepth = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, dy1 ) ) );
				if ( fDepth < shadowCoord.z ) shadow += ShadowDelta;

				shadow *= shadowDarkness[ i ];

	#elif defined( SHADOWMAP_TYPE_PCF_SOFT )


				shadowCoord.z += shadowBias[ i ];

				float xPixelOffset = texelSizeX;
				float yPixelOffset = texelSizeY;

				float dx0 = - 1.0 * xPixelOffset;
				float dy0 = - 1.0 * yPixelOffset;
				float dx1 = 1.0 * xPixelOffset;
				float dy1 = 1.0 * yPixelOffset;

				mat3 shadowKernel;
				mat3 depthKernel;

				depthKernel[ 0 ][ 0 ] = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, dy0 ) ) );
				depthKernel[ 0 ][ 1 ] = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, 0.0 ) ) );
				depthKernel[ 0 ][ 2 ] = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx0, dy1 ) ) );
				depthKernel[ 1 ][ 0 ] = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( 0.0, dy0 ) ) );
				depthKernel[ 1 ][ 1 ] = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy ) );
				depthKernel[ 1 ][ 2 ] = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( 0.0, dy1 ) ) );
				depthKernel[ 2 ][ 0 ] = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, dy0 ) ) );
				depthKernel[ 2 ][ 1 ] = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, 0.0 ) ) );
				depthKernel[ 2 ][ 2 ] = unpackDepth( texture2D( shadowMap[ i ], shadowCoord.xy + vec2( dx1, dy1 ) ) );

				vec3 shadowZ = vec3( shadowCoord.z );
				shadowKernel[ 0 ] = vec3( lessThan( depthKernel[ 0 ], shadowZ ) );
				shadowKernel[ 0 ] *= vec3( 0.25 );

				shadowKernel[ 1 ] = vec3( lessThan( depthKernel[ 1 ], shadowZ ) );
				shadowKernel[ 1 ] *= vec3( 0.25 );

				shadowKernel[ 2 ] = vec3( lessThan( depthKernel[ 2 ], shadowZ ) );
				shadowKernel[ 2 ] *= vec3( 0.25 );

				vec2 fractionalCoord = 1.0 - fract( shadowCoord.xy * shadowMapSize[ i ].xy );

				shadowKernel[ 0 ] = mix( shadowKernel[ 1 ], shadowKernel[ 0 ], fractionalCoord.x );
				shadowKernel[ 1 ] = mix( shadowKernel[ 2 ], shadowKernel[ 1 ], fractionalCoord.x );

				vec4 shadowValues;
				shadowValues.x = mix( shadowKernel[ 0 ][ 1 ], shadowKernel[ 0 ][ 0 ], fractionalCoord.y );
				shadowValues.y = mix( shadowKernel[ 0 ][ 2 ], shadowKernel[ 0 ][ 1 ], fractionalCoord.y );
				shadowValues.z = mix( shadowKernel[ 1 ][ 1 ], shadowKernel[ 1 ][ 0 ], fractionalCoord.y );
				shadowValues.w = mix( shadowKernel[ 1 ][ 2 ], shadowKernel[ 1 ][ 1 ], fractionalCoord.y );

				shadow = dot( shadowValues, vec4( 1.0 ) ) * shadowDarkness[ i ];

	#else 
				shadowCoord.z += shadowBias[ i ];

				vec4 rgbaDepth = texture2D( shadowMap[ i ], shadowCoord.xy );
				float fDepth = unpackDepth( rgbaDepth );

				if ( fDepth < shadowCoord.z )
					shadow = shadowDarkness[ i ];

	#endif

			}

#ifdef SHADOWMAP_DEBUG

			if ( inFrustum ) {

				if ( i == 0 ) {

					outgoingLight *= vec3( 1.0, 0.5, 0.0 );

				} else if ( i == 1 ) {

					outgoingLight *= vec3( 0.0, 1.0, 0.8 );

				} else {

					outgoingLight *= vec3( 0.0, 0.5, 1.0 );

				}

			}

#endif

#if defined( POINT_LIGHT_SHADOWS )

		}

#endif

		shadowMask = shadowMask * vec3( 1.0 - shadow );

	}

#endif

	outgoingLight = diffuseColor.rgb * totalAmbientLight * shadowMask;
#ifdef USE_ENVMAP

	#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )

		vec3 cameraToVertex = normalize( vWorldPosition - cameraPosition );

		vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );

		#ifdef ENVMAP_MODE_REFLECTION

			vec3 reflectVec = reflect( cameraToVertex, worldNormal );

		#else

			vec3 reflectVec = refract( cameraToVertex, worldNormal, refractionRatio );

		#endif

	#else

		vec3 reflectVec = vReflect;

	#endif

	#ifdef DOUBLE_SIDED
		float flipNormal = ( float( gl_FrontFacing ) * 2.0 - 1.0 );
	#else
		float flipNormal = 1.0;
	#endif

	#ifdef ENVMAP_TYPE_CUBE
		vec4 envColor = textureCube( envMap, flipNormal * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );

	#elif defined( ENVMAP_TYPE_EQUIREC )
		vec2 sampleUV;
		sampleUV.y = saturate( flipNormal * reflectVec.y * 0.5 + 0.5 );
		sampleUV.x = atan( flipNormal * reflectVec.z, flipNormal * reflectVec.x ) * RECIPROCAL_PI2 + 0.5;
		vec4 envColor = texture2D( envMap, sampleUV );

	#elif defined( ENVMAP_TYPE_SPHERE )
		vec3 reflectView = flipNormal * normalize((viewMatrix * vec4( reflectVec, 0.0 )).xyz + vec3(0.0,0.0,1.0));
		vec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );
	#endif

	envColor.xyz = inputToLinear( envColor.xyz );

	#ifdef ENVMAP_BLENDING_MULTIPLY

		outgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );

	#elif defined( ENVMAP_BLENDING_MIX )

		outgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );

	#elif defined( ENVMAP_BLENDING_ADD )

		outgoingLight += envColor.xyz * specularStrength * reflectivity;

	#endif

#endif


	outgoingLight = linearToOutput( outgoingLight );

#ifdef USE_FOG

	#ifdef USE_LOGDEPTHBUF_EXT

		float depth = gl_FragDepthEXT / gl_FragCoord.w;

	#else

		float depth = gl_FragCoord.z / gl_FragCoord.w;

	#endif

	#ifdef FOG_EXP2

		float fogFactor = whiteCompliment( exp2( - fogDensity * fogDensity * depth * depth * LOG2 ) );

	#else

		float fogFactor = smoothstep( fogNear, fogFar, depth );

	#endif
	
	outgoingLight = mix( outgoingLight, fogColor, fogFactor );

#endif
	gl_FragColor = vec4( outgoingLight, diffuseColor.a );
}