Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 529 insertions, 0 deletions

diff --git a/KaplaDemo/externalIP/resources/shaders/combine_fs.cpp b/KaplaDemo/externalIP/resources/shaders/combine_fs.cpp
new file mode 100644
index 00000000..98160e6a
--- /dev/null
+++ b/KaplaDemo/externalIP/resources/shaders/combine_fs.cpp
@@ -0,0 +1,529 @@
+uniform sampler3D ttt3D;
+
+	uniform float extraNoiseScale = 1.0f;
+	uniform float noiseScale = 0.03f;
+	float noise(float p) {
+		return texture3D(ttt3D, vec3(p*noiseScale*extraNoiseScale, 0.5, 0.5)).x;
+	}
+
+	float noise(float p, float q) {
+		return texture3D(ttt3D, vec3(p*noiseScale*extraNoiseScale, q*noiseScale*extraNoiseScale, 0.5)).x;
+	}
+
+	float snoise(float p) {
+		return noise(p)*2.0f - 1.0f;
+	}
+	float snoise(float p, float q) {
+		return noise(p, q)*2.0f - 1.0f;
+	}
+	float boxstep(float a, float b, float x) {
+		return (clamp(((x)-(a)) / ((b)-(a)), 0, 1));
+
+	}
+
+	uniform float Ka = 1;
+	uniform float Kd = 0.75;
+	uniform float Ks = 0.15;
+	uniform float roughness = 0.025;
+	uniform vec3 specularcolor = vec3(1, 1, 1);
+	uniform float ringscale = 0;
+	uniform float grainscale = 0;
+	uniform float txtscale = 1;
+	uniform float plankspertile = 4;
+	uniform vec3 lightwood = vec3(0.57, 0.292, 0.125);
+	uniform vec3 darkwood = vec3(0.275, 0.15, 0.06);
+	uniform vec3 groovecolor = vec3(.05, .04, .015);
+	//uniform float plankwidth = .05;
+	uniform float plankwidth = .2;
+	uniform float groovewidth = 0.001;
+	uniform float plankvary = 0.8;
+	uniform float grainy = 1;
+	uniform float wavy = 0.08;
+	uniform float MINFILTERWIDTH = 1.0e-7;
+
+	vec3 myTexture3D_0(vec3 p)
+	{		
+		float r;
+		float r2;
+		float whichrow;
+		float whichplank;
+		float swidth;
+		float twidth;
+		float fwidth;
+		float ss;
+		float tt;
+		float w;
+		float h;
+		float fade;
+		float ttt;
+		vec3 Ct;
+		vec3 woodcolor;
+		float groovy;
+		float PGWIDTH;
+		float PGHEIGHT;
+		float GWF;
+		float GHF;
+		float tilewidth;
+		float whichtile;
+		float tmp;
+		float planklength;
+
+
+		PGWIDTH = plankwidth + groovewidth;
+		planklength = PGWIDTH * plankspertile - groovewidth;
+
+		PGHEIGHT = planklength + groovewidth;
+		GWF = groovewidth*0.5 / PGWIDTH;
+		GHF = groovewidth*0.5 / PGHEIGHT;
+
+		// Determine how wide in s-t space one pixel projects to 
+		float s = p.x;
+		float t = p.y;
+		float du = 1.0;
+		float dv = 1.0;
+
+		swidth = (max(abs(dFdx(s)*du) + abs(dFdy(s)*dv), MINFILTERWIDTH) /
+			PGWIDTH) * txtscale;
+		twidth = (max(abs(dFdx(t)*du) + abs(dFdy(t)*dv), MINFILTERWIDTH) /
+			PGHEIGHT) * txtscale;
+		fwidth = max(swidth, twidth);
+
+		ss = (txtscale * s) / PGWIDTH;
+		whichrow = floor(ss);
+		tt = (txtscale * t) / PGHEIGHT;
+		whichplank = floor(tt);
+
+		if (mod(whichrow / plankspertile + whichplank, 2) >= 1) {
+			ss = txtscale * t / PGWIDTH;
+			whichrow = floor(ss);
+			tt = txtscale * s / PGHEIGHT;
+			whichplank = floor(tt);
+			tmp = swidth;  swidth = twidth;  twidth = tmp;
+		}
+		ss -= whichrow;
+		tt -= whichplank;
+		whichplank += 20 * (whichrow + 10);
+
+		if (swidth >= 1)
+			w = 1 - 2 * GWF;
+		else w = clamp(boxstep(GWF - swidth, GWF, ss), max(1 - GWF / swidth, 0), 1)
+			- clamp(boxstep(1 - GWF - swidth, 1 - GWF, ss), 0, 2 * GWF / swidth);
+		if (twidth >= 1)
+			h = 1 - 2 * GHF;
+		else h = clamp(boxstep(GHF - twidth, GHF, tt), max(1 - GHF / twidth, 0), 1)
+			- clamp(boxstep(1 - GHF - twidth, 1 - GHF, tt), 0, 2 * GHF / twidth);
+		// This would be the non-antialiased version:
+		//w = step (GWF,ss) - step(1-GWF,ss);
+		//h = step (GHF,tt) - step(1-GHF,tt);
+
+		groovy = w*h;
+
+
+
+		// Add the ring patterns
+		fade = smoothstep(1 / ringscale, 8 / ringscale, fwidth);
+		if (fade < 0.999) {
+
+			ttt = tt / 4 + whichplank / 28.38 + wavy * noise(8 * ss, tt / 4);
+			r = ringscale * noise(ss - whichplank, ttt);
+			r -= floor(r);
+			r = 0.3 + 0.7*smoothstep(0.2, 0.55, r)*(1 - smoothstep(0.75, 0.8, r));
+			r = (1 - fade)*r + 0.65*fade;
+
+			// Multiply the ring pattern by the fine grain
+
+			fade = smoothstep(2 / grainscale, 8 / grainscale, fwidth);
+			if (fade < 0.999) {
+				r2 = 1.3 - noise(ss*grainscale, (tt*grainscale / 4));
+				r2 = grainy * r2*r2 + (1 - grainy);
+				r *= (1 - fade)*r2 + (0.75*fade);
+
+			}
+			else r *= 0.75;
+
+		}
+		else r = 0.4875;
+
+
+		// Mix the light and dark wood according to the grain pattern 
+		woodcolor = lerp(lightwood, darkwood, r);
+
+		// Add plank-to-plank variation in overall color 
+		woodcolor *= (1 - plankvary / 2 + plankvary * noise(whichplank + 0.5));
+
+		Ct = lerp(groovecolor, woodcolor, groovy);
+		return Ct;
+
+	}
+
+	float noise3D_1(vec3 p)
+	{
+		return texture3D(ttt3D, p).x*2.0f - 1.0f;
+	}
+
+	float turbulence_1(vec3 p, int octaves, float lacunarity, float gain) {
+
+		float freq = 1.0f;
+		float amp = 0.8f;
+		float sum = 0.0f;
+
+		for (int i = 0; i<octaves; i++) {
+			sum += abs(noise3D_1(p*freq))*amp;
+			freq *= lacunarity;
+			amp *= gain;
+		}
+		return sum;
+	}
+
+	float spike_1(float c, float w, float x) {
+		return smoothstep(c - w, c, x) * smoothstep(c + w, c, x);
+	}
+
+	vec3 myTexture3D_1(vec3 p)
+	{
+
+
+		float noiseScale = 0.1f*extraNoiseScale;
+		float noise = turbulence_1(p*noiseScale, 3, 3.0f, 0.5f);
+		//noise = turbulence(p*noiseScale + vec3(noise, noise, noise*0.3)*0.01f, 8, 3.0f, 0.5f);
+
+		//noise = spike(0.35f, 0.05f, noise);
+		//noise = noise;
+
+		vec3 base = lerp(vec3(164, 148, 108)*1.63 / 255, vec3(178, 156, 126)*1.73 / 255, spike_1(0.5f, 0.3f, turbulence_1(p*noiseScale*0.7f + vec3(noise*0.5, noise, noise)*0.011f, 2, 2.0f, 0.5f)));
+		//vec3 b2 = lerp(base, vec3(0.0f, 0.0f, 0.0f), noise); 
+		vec3 b2 = lerp(base, vec3(173, 160, 121)*1.73 / 255, noise);
+
+
+
+		return b2*0.75f;
+
+	}
+
+	vec3 myTexture3DCom(vec3 p, float mat) {
+		// Depend on material ID
+		
+		if (mat < 0.5f) {
+			//return myTexture3D_0(p);
+			return vec3(173, 160, 151) *0.85/ 255;
+			//return lightwood*1.3;
+		}
+		else 
+		if (mat < 1.5f) {
+			//return myTexture3D_1(p);
+			return vec3(173, 100, 21)*1.73 / 255;
+		} else {
+			return vec3(1.0f, 0.0f, 0.0f);
+			
+		}
+
+	}
+// scene reflection 
+uniform float reflectionCoeff = 0.0f;
+uniform float specularCoeff = 0.0f;
+
+uniform sampler2DRect reflectionTex;
+
+// Shadow map
+uniform float shadowAmbient = 0.0;
+uniform float hdrScale = 5.0;
+uniform sampler2D texture;
+uniform sampler2DArrayShadow stex;
+uniform sampler2DArrayShadow stex2;
+uniform sampler2DArrayShadow stex3;
+uniform samplerCube skyboxTex;
+uniform vec2 texSize; // x - size, y - 1/size
+uniform vec4 far_d;
+
+// Spot lights
+uniform vec3 spotLightDir;
+uniform vec3 spotLightPos;
+uniform float spotLightCosineDecayBegin;
+uniform float spotLightCosineDecayEnd;
+
+uniform vec3 spotLightDir2;
+uniform vec3 spotLightPos2;
+uniform float spotLightCosineDecayBegin2;
+uniform float spotLightCosineDecayEnd2;
+
+uniform vec3 spotLightDir3;
+uniform vec3 spotLightPos3;
+uniform float spotLightCosineDecayBegin3;
+uniform float spotLightCosineDecayEnd3;
+
+uniform vec3 parallelLightDir;
+uniform float shadowAdd;
+uniform int useTexture;
+uniform int numShadows;
+
+
+uniform float roughnessScale;
+uniform vec3 ambientColor;
+
+uniform sampler2DArray diffuseTexArray;
+uniform sampler2DArray bumpTexArray;
+uniform sampler2DArray specularTexArray;
+uniform sampler2DArray emissiveReflectSpecPowerTexArray;
+
+uniform vec2 shadowTaps[12];
+
+
+float shadowCoeff1(float bscale)
+{	
+
+	int index = 3;
+	
+	if(gl_FragCoord.z < far_d.x)
+		index = 0;
+	else if(gl_FragCoord.z < far_d.y)
+		index = 1;
+	else if(gl_FragCoord.z < far_d.z)
+		index = 2;
+	
+	vec4 shadow_coord = gl_TextureMatrix[index]*vec4(gl_TexCoord[1].xyz, 1);
+
+	shadow_coord.w = shadow_coord.z + shadowAdd*bscale;
+		// tell glsl in which layer to do the look up
+	shadow_coord.z = float(index);
+
+	
+	// Gaussian 3x3 filter
+//	return shadow2DArray(stex, shadow_coord).x;
+	/*
+	const float X = 1.0f;
+	float ret = shadow2DArray(stex, shadow_coord).x * 0.25;
+	ret += shadow2DArrayOffset(stex, shadow_coord, ivec2( -X, -X)).x * 0.0625;
+	ret += shadow2DArrayOffset(stex, shadow_coord, ivec2( -X, 0)).x * 0.125;
+	ret += shadow2DArrayOffset(stex, shadow_coord, ivec2( -X, X)).x * 0.0625;
+	ret += shadow2DArrayOffset(stex, shadow_coord, ivec2( 0, -X)).x * 0.125;
+	ret += shadow2DArrayOffset(stex, shadow_coord, ivec2( 0, X)).x * 0.125;
+	ret += shadow2DArrayOffset(stex, shadow_coord, ivec2( X, -X)).x * 0.0625;
+	ret += shadow2DArrayOffset(stex, shadow_coord, ivec2( X, 0)).x * 0.125;
+	ret += shadow2DArrayOffset(stex, shadow_coord, ivec2( X, X)).x * 0.0625;	
+	return ret;*/
+	const int numTaps = 6;
+	float radius = 0.0003f/pow(2,index);
+	float s = 0.0f;
+	for (int i = 0; i < numTaps; i++)
+	{
+		s += shadow2DArray(stex, shadow_coord + vec4(shadowTaps[i] * radius, 0.0f, 0.0f)).r;
+	}
+	s /= numTaps;
+	return s;
+}
+float shadowCoeff2()
+{
+	const int index = 1;
+
+	//int index = 3;
+	//if(gl_FragCoord.z < far_d.x)
+	//	index = 0;
+	//else if(gl_FragCoord.z < far_d.y)
+	//	index = 1;
+	//else if(gl_FragCoord.z < far_d.z)
+	//	index = 2;
+
+	vec4 shadow_coord = gl_TextureMatrix[index]*vec4(gl_TexCoord[1].xyz, 1);
+
+	shadow_coord.w = shadow_coord.z + shadowAdd;
+	shadow_coord.z = float(0);
+	//	return shadow2DArray(stex, shadow_coord).x;
+
+	const float X = 1.0f;
+	float ret = shadow2DArray(stex2, shadow_coord).x * 0.25;
+	ret += shadow2DArrayOffset(stex2, shadow_coord, ivec2( -X, -X)).x * 0.0625;
+	ret += shadow2DArrayOffset(stex2, shadow_coord, ivec2( -X, 0)).x * 0.125;
+	ret += shadow2DArrayOffset(stex2, shadow_coord, ivec2( -X, X)).x * 0.0625;
+	ret += shadow2DArrayOffset(stex2, shadow_coord, ivec2( 0, -X)).x * 0.125;
+	ret += shadow2DArrayOffset(stex2, shadow_coord, ivec2( 0, X)).x * 0.125;
+	ret += shadow2DArrayOffset(stex2, shadow_coord, ivec2( X, -X)).x * 0.0625;
+	ret += shadow2DArrayOffset(stex2, shadow_coord, ivec2( X, 0)).x * 0.125;
+	ret += shadow2DArrayOffset(stex2, shadow_coord, ivec2( X, X)).x * 0.0625;
+	return ret;
+}
+float shadowCoeff3()
+{
+	const int index = 2;
+
+	//int index = 3;
+	//if(gl_FragCoord.z < far_d.x)
+	//	index = 0;
+	//else if(gl_FragCoord.z < far_d.y)
+	//	index = 1;
+	//else if(gl_FragCoord.z < far_d.z)
+	//	index = 2;
+
+	vec4 shadow_coord = gl_TextureMatrix[index]*vec4(gl_TexCoord[1].xyz, 1);
+
+	shadow_coord.w = shadow_coord.z + shadowAdd;
+	shadow_coord.z = float(0);
+
+	//	return shadow2DArray(stex, shadow_coord).x;
+
+	const float X = 1.0f;
+	float ret = shadow2DArray(stex3, shadow_coord).x * 0.25;
+	ret += shadow2DArrayOffset(stex3, shadow_coord, ivec2( -X, -X)).x * 0.0625;
+	ret += shadow2DArrayOffset(stex3, shadow_coord, ivec2( -X, 0)).x * 0.125;
+	ret += shadow2DArrayOffset(stex3, shadow_coord, ivec2( -X, X)).x * 0.0625;
+	ret += shadow2DArrayOffset(stex3, shadow_coord, ivec2( 0, -X)).x * 0.125;
+	ret += shadow2DArrayOffset(stex3, shadow_coord, ivec2( 0, X)).x * 0.125;
+	ret += shadow2DArrayOffset(stex3, shadow_coord, ivec2( X, -X)).x * 0.0625;
+	ret += shadow2DArrayOffset(stex3, shadow_coord, ivec2( X, 0)).x * 0.125;
+	ret += shadow2DArrayOffset(stex3, shadow_coord, ivec2( X, X)).x * 0.0625;
+	return ret;
+}
+
+
+
+uniform float RollOff = 0.5f;
+uniform float fresnelBias = 0.0;
+uniform float fresnelScale = 1.0;
+uniform float fresnelPower = 3.0;   // 5.0 is physically correct
+void main()
+{
+
+/*
+	int index = 3;
+	
+	if(gl_FragCoord.z < far_d.x)
+		index = 0;
+	else if(gl_FragCoord.z < far_d.y)
+		index = 1;
+	else if(gl_FragCoord.z < far_d.z)
+		index = 2;
+	if (index == 3) gl_FragColor = vec4(1,0,0,1);
+	if (index == 2) gl_FragColor = vec4(0,1,0,1);
+	if (index == 1) gl_FragColor = vec4(0,0,1,1);
+	if (index == 0) gl_FragColor = vec4(1,1,0,1);
+	return;*/
+	/*
+	int index = 3;
+	
+	if(gl_FragCoord.z < far_d.x)
+		index = 0;
+	else if(gl_FragCoord.z < far_d.y)
+		index = 1;
+	else if(gl_FragCoord.z < far_d.z)
+		index = 2;
+
+	vec4 shadow_coord = gl_TextureMatrix[index]*vec4(gl_TexCoord[1].xyz, 1);
+
+	shadow_coord.w = shadow_coord.z + shadowAdd;
+	// tell glsl in which layer to do the look up
+	shadow_coord.z = float(index)*0.33333333f;
+	gl_FragColor = vec4(shadow_coord.xyz,1.0f);
+	return;
+	*/
+	//// TODO, expose this as user parameter
+	const float skyLightIntensity = 0.2;
+	const float rimLightIntensity = 0.3;
+
+	vec3 normal = normalize(gl_TexCoord[2].xyz);
+	vec3 t0 = gl_TexCoord[3].xyz;
+	vec3 t1 = gl_TexCoord[4].xyz;
+
+	vec3 diffuseMat;
+	vec3 specularMat;
+	vec3 bump;
+	vec3 emissiveReflectSpecPow;
+
+	// read in material color for diffuse, specular, bump, emmisive
+
+	// 3D texture	
+	diffuseMat = myTexture3DCom(gl_TexCoord[0].xyz, gl_TexCoord[6].w); 
+	//diffuseMat = myTexture3D(gl_TexCoord[0].xyz);//texture3D(ttt3D, gl_TexCoord[0].xyz);
+	//diffuseMat = texture3D(ttt3D, gl_TexCoord[0].xyz);
+	
+	specularMat = vec3(1.0);
+	bump = texture2D(texture, gl_TexCoord[5].xy).xyz;
+	if (dot(bump,bump) < 0.01) bump = vec3(0.5,0.5,1);		
+	emissiveReflectSpecPow = vec3(0.0,0.0,0.0);
+
+
+	// apply bump to the normal
+	bump = (bump - vec3(0.5,0.5,0.5)) * 2.0f;
+	bump.xy *= roughnessScale*0.1;	
+
+	float sc = 1.0f;
+	normal = normalize(t0*bump.x + t1*bump.y + sc*normal * bump.z);
+
+	//gl_FragColor.xyz = normal*0.5 + vec3(0.5,0.5,0.5);
+	//gl_FragColor.w = 1;
+	//return;
+	vec3 eyeVec = normalize(gl_TexCoord[1].xyz);
+
+	// apply gamma correction for diffuse textures
+	//diffuseMat = pow(diffuseMat, 0.45);
+
+	float specularPower = emissiveReflectSpecPow.b*255.0f + 1.0f;
+
+	// TODO - fix this
+	specularPower = 10.0f;
+
+	float emissive = 0.0f;
+	float reflectivity = emissiveReflectSpecPow.b;
+	float fresnel = fresnelBias + fresnelScale*pow(1.0 - max(0.0, dot(normal, eyeVec)), fresnelPower);
+	float specular = 0.0f;
+
+	vec3 skyNormal = reflect(eyeVec, normal);
+	vec3 skyColor = skyLightIntensity * textureCube(skyboxTex, skyNormal).rgb;
+	vec3 ambientSkyColor = diffuseMat * skyColor;
+
+	vec3 diffuseColor = vec3(0.0, 0.0, 0.0);	
+
+	if (numShadows >= 1) {
+
+		vec3 lightColor = hdrScale * vec3(1.0, 1.0, 1.0);
+		vec3 shadowColor = vec3(0.4, 0.4, 0.7); // colored shadow
+		//vec3 lvec = normalize(spotLightDir);
+		vec3 lvec = normalize(spotLightPos - gl_TexCoord[1].xyz);
+		float ldn = max(0.0f, dot(normal, lvec));
+		float cosine = dot(lvec, spotLightDir);
+		float intensity = smoothstep(spotLightCosineDecayBegin, spotLightCosineDecayEnd, cosine);
+
+		float bscale = 1;//1.0f-ldn;
+		
+		float shadowC = shadowCoeff1(bscale);
+		//gl_FragColor = vec4(shadowC,shadowC,shadowC,1.0f);
+		//return;
+		vec3 irradiance = shadowC * ldn * lightColor;
+
+		// diffuse irradiance
+		diffuseColor += diffuseMat * irradiance*intensity;
+
+		// add colored shadow
+		diffuseColor += (1.0 - shadowC*ldn) * shadowAmbient * shadowColor * diffuseMat*intensity;
+
+		vec3 r = reflect(lvec, normal);	
+		specular += pow(max(0.0, dot(r, eyeVec)), specularPower)*shadowC*intensity;
+	}
+
+	// add rim light
+	if (numShadows >= 2) {
+		vec3 lightColor = hdrScale * vec3(1.0, 1.0, 1.0);
+		vec3 lvec = normalize(spotLightDir2);
+		float ldn = max(0.0f, dot(normal, lvec));
+		vec3 irradiance = ldn * lightColor;
+
+		// diffuse irradiance
+		diffuseColor += diffuseMat * irradiance;
+	}
+
+	vec3 color = vec3(0.0, 0.0, 0.0);
+
+	color += diffuseColor;
+	color += ambientSkyColor;
+	color += specular*specularMat;
+	color += hdrScale * emissive * diffuseMat;
+
+	//vec3 reflectColor = diffuseMat * texture2DRect(reflectionTex, gl_FragCoord.xy).rgb;
+	//color = reflectionCoeff * reflectColor + (1.0f - reflectionCoeff) * color;
+	color = (fresnel * skyColor + (1.0 - fresnel) * color) * reflectivity + (1.0 - reflectivity) * color;
+
+	gl_FragColor.rgb = color;
+	gl_FragColor.w = gl_Color.w;
+
+	float fog = clamp(gl_Fog.scale*(gl_Fog.end+gl_TexCoord[1].z), 0.0, 1.0);
+	vec4 fogCol = gl_Fog.color;
+	gl_FragColor = mix(fogCol, gl_FragColor, fog);
+}
\ No newline at end of file