Attachment 66199 Details for Bug 54142 – The culprit shader

The culprit shader

first.frag (text/plain), 1.49 KB, created by Laurent carlier on 2012-08-28 06:33:53 UTC

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Creator: Laurent carlier

Created: 2012-08-28 06:33:53 UTC

Size: 1.49 KB

patch

obsolete

>uniform sampler2D Tex0, Tex1;
>
>struct LightSourceParameters {
>	vec4 position;
>	vec4 ambient;
>	vec4 diffuse;
>	vec4 specular;
>	float constantAttenuation;
>	float linearAttenuation;
>	float quadraticAttenuation;
>};
>uniform LightSourceParameters LightSource;
>
>varying vec2 FragTexCoord;
>varying vec3 ecPos, lightDir;
>varying vec3 normal; // XXX: debug
>varying float Blur;
>
>void main(void)
>{
>	vec4 FragColor;
>
>	vec3 n, aux, r;
>	float NdotL, RdotE;
>	float dist, att;
>	vec2 TexCoord;
>	float height, scale = 0.025, bias = 0.0125;
>
>	if (texture2D(Tex1, FragTexCoord).a == 1.0) {
>		TexCoord = FragTexCoord;
>	}
>	else {
>		height = scale * texture2D(Tex1, FragTexCoord).a - bias;
>		TexCoord = FragTexCoord + height * normalize(ecPos).xy;
>	}
>//	TexCoord = FragTexCoord;
>
>	vec4 normalMap = texture2D(Tex1, TexCoord);
>	vec4 colorMap = texture2D(Tex0, TexCoord);
>
>	n = 2.0 * normalMap.rgb - 1.0; // decoding normal map
>//	n = normalize(normal);
>
>	dist = length(lightDir);
>	lightDir = normalize(lightDir);
>
>	att = 1.0 / (LightSource.constantAttenuation +
>                 LightSource.linearAttenuation * dist +
>                 LightSource.quadraticAttenuation * dist * dist);
>
>	FragColor = LightSource.ambient * att;
>
>	NdotL = max(dot(n, lightDir), 0.0);
>
>	if (NdotL > 0.0) {
>		FragColor += att * (LightSource.diffuse * NdotL);
>		r = -reflect(lightDir, n);
>		RdotE = max(dot(r, normalize(-ecPos)), 0.0);
>		FragColor += att * LightSource.specular * pow(RdotE, 100.0);
>	}
>
>	FragColor *= colorMap;
>	gl_FragData[0] = vec4(vec3(FragColor), Blur);
>}

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Attachments on bug 54142: 66199

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