Converted tabs to four spaces
This commit is contained in:
Robert Osfield
@@ -106,163 +106,163 @@ StandardShadowMap::StandardShadowMap():
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"const int NumEnabledLights = 1; \n"
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" \n"
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"void DynamicShadow( in vec4 ecPosition ); \n"
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" \n"
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" \n"
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"varying vec4 colorAmbientEmissive; \n"
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" \n"
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"void SpotLight(in int i, \n"
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" in vec3 eye, \n"
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" in vec3 ecPosition3, \n"
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" in vec3 normal, \n"
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" in vec3 eye, \n"
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" in vec3 ecPosition3, \n"
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" in vec3 normal, \n"
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" inout vec4 ambient, \n"
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" inout vec4 diffuse, \n"
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" inout vec4 specular) \n"
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"{ \n"
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" inout vec4 diffuse, \n"
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" inout vec4 specular) \n"
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"{ \n"
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" float nDotVP; // normal . light direction \n"
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" float nDotHV; // normal . light half vector \n"
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" float pf; // power factor \n"
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" float spotDot; // cosine of angle between spotlight \n"
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" float nDotHV; // normal . light half vector \n"
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" float pf; // power factor \n"
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" float spotDot; // cosine of angle between spotlight \n"
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" float spotAttenuation; // spotlight attenuation factor \n"
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" float attenuation; // computed attenuation factor \n"
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" float d; // distance from surface to light source \n"
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" float attenuation; // computed attenuation factor \n"
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" float d; // distance from surface to light source \n"
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" vec3 VP; // direction from surface to light position \n"
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" vec3 halfVector; // direction of maximum highlights \n"
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" \n"
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" // Compute vector from surface to light position \n"
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" VP = vec3(gl_LightSource[i].position) - ecPosition3; \n"
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" \n"
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" // Compute vector from surface to light position \n"
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" VP = vec3(gl_LightSource[i].position) - ecPosition3; \n"
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" \n"
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" // Compute distance between surface and light position \n"
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" d = length(VP); \n"
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" \n"
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" // Compute distance between surface and light position \n"
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" d = length(VP); \n"
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" \n"
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" // Normalize the vector from surface to light position \n"
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" VP = normalize(VP); \n"
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" \n"
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" // Compute attenuation \n"
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" VP = normalize(VP); \n"
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" \n"
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" // Compute attenuation \n"
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" attenuation = 1.0 / (gl_LightSource[i].constantAttenuation + \n"
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" gl_LightSource[i].linearAttenuation * d + \n"
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" gl_LightSource[i].linearAttenuation * d + \n"
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" gl_LightSource[i].quadraticAttenuation *d*d); \n"
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" \n"
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" \n"
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" // See if point on surface is inside cone of illumination \n"
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" spotDot = dot(-VP, normalize(gl_LightSource[i].spotDirection)); \n"
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" \n"
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" if (spotDot < gl_LightSource[i].spotCosCutoff) \n"
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" spotAttenuation = 0.0; // light adds no contribution \n"
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" else \n"
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" spotDot = dot(-VP, normalize(gl_LightSource[i].spotDirection)); \n"
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" \n"
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" if (spotDot < gl_LightSource[i].spotCosCutoff) \n"
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" spotAttenuation = 0.0; // light adds no contribution \n"
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" else \n"
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" spotAttenuation = pow(spotDot, gl_LightSource[i].spotExponent);\n"
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" \n"
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" // Combine the spotlight and distance attenuation. \n"
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" attenuation *= spotAttenuation; \n"
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" \n"
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" halfVector = normalize(VP + eye); \n"
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" \n"
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" nDotVP = max(0.0, dot(normal, VP)); \n"
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" nDotHV = max(0.0, dot(normal, halfVector)); \n"
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" \n"
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" \n"
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" // Combine the spotlight and distance attenuation. \n"
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" attenuation *= spotAttenuation; \n"
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" \n"
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" halfVector = normalize(VP + eye); \n"
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" \n"
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" nDotVP = max(0.0, dot(normal, VP)); \n"
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" nDotHV = max(0.0, dot(normal, halfVector)); \n"
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" \n"
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" if (nDotVP == 0.0) \n"
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" pf = 0.0; \n"
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" else \n"
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" pf = pow(nDotHV, gl_FrontMaterial.shininess); \n"
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" \n"
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" ambient += gl_LightSource[i].ambient * attenuation; \n"
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" diffuse += gl_LightSource[i].diffuse * nDotVP * attenuation; \n"
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" specular += gl_LightSource[i].specular * pf * attenuation; \n"
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"} \n"
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" \n"
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"void PointLight(in int i, \n"
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" in vec3 eye, \n"
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" in vec3 ecPosition3, \n"
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" in vec3 normal, \n"
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" inout vec4 ambient, \n"
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" inout vec4 diffuse, \n"
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" pf = 0.0; \n"
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" else \n"
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" pf = pow(nDotHV, gl_FrontMaterial.shininess); \n"
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" \n"
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" ambient += gl_LightSource[i].ambient * attenuation; \n"
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" diffuse += gl_LightSource[i].diffuse * nDotVP * attenuation; \n"
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" specular += gl_LightSource[i].specular * pf * attenuation; \n"
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"} \n"
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" \n"
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"void PointLight(in int i, \n"
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" in vec3 eye, \n"
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" in vec3 ecPosition3, \n"
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" in vec3 normal, \n"
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" inout vec4 ambient, \n"
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" inout vec4 diffuse, \n"
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" inout vec4 specular) \n"
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"{ \n"
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" float nDotVP; // normal . light direction \n"
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" float nDotHV; // normal . light half vector \n"
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" float pf; // power factor \n"
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" float attenuation; // computed attenuation factor \n"
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" float d; // distance from surface to light source \n"
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" vec3 VP; // direction from surface to light position \n"
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" vec3 halfVector; // direction of maximum highlights \n"
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" \n"
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" // Compute vector from surface to light position \n"
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" VP = vec3(gl_LightSource[i].position) - ecPosition3; \n"
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" \n"
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" // Compute distance between surface and light position \n"
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" d = length(VP); \n"
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" \n"
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"{ \n"
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" float nDotVP; // normal . light direction \n"
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" float nDotHV; // normal . light half vector \n"
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" float pf; // power factor \n"
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" float attenuation; // computed attenuation factor \n"
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" float d; // distance from surface to light source \n"
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" vec3 VP; // direction from surface to light position \n"
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" vec3 halfVector; // direction of maximum highlights \n"
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" \n"
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" // Compute vector from surface to light position \n"
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" VP = vec3(gl_LightSource[i].position) - ecPosition3; \n"
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" \n"
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" // Compute distance between surface and light position \n"
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" d = length(VP); \n"
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" \n"
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" // Normalize the vector from surface to light position \n"
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" VP = normalize(VP); \n"
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" \n"
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" // Compute attenuation \n"
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" attenuation = 1.0 / (gl_LightSource[i].constantAttenuation + \n"
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" gl_LightSource[i].linearAttenuation * d + \n"
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" VP = normalize(VP); \n"
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" \n"
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" // Compute attenuation \n"
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" attenuation = 1.0 / (gl_LightSource[i].constantAttenuation + \n"
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" gl_LightSource[i].linearAttenuation * d + \n"
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" gl_LightSource[i].quadraticAttenuation * d*d);\n"
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" \n"
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" halfVector = normalize(VP + eye); \n"
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" \n"
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" nDotVP = max(0.0, dot(normal, VP)); \n"
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" nDotHV = max(0.0, dot(normal, halfVector)); \n"
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" \n"
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" if (nDotVP == 0.0) \n"
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" pf = 0.0; \n"
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" else \n"
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" \n"
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" halfVector = normalize(VP + eye); \n"
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" \n"
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" nDotVP = max(0.0, dot(normal, VP)); \n"
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" nDotHV = max(0.0, dot(normal, halfVector)); \n"
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" \n"
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" if (nDotVP == 0.0) \n"
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" pf = 0.0; \n"
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" else \n"
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" pf = pow(nDotHV, gl_FrontMaterial.shininess); \n"
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" \n"
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" ambient += gl_LightSource[i].ambient * attenuation; \n"
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" diffuse += gl_LightSource[i].diffuse * nDotVP * attenuation; \n"
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" specular += gl_LightSource[i].specular * pf * attenuation; \n"
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"} \n"
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" \n"
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"void DirectionalLight(in int i, \n"
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" in vec3 normal, \n"
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" inout vec4 ambient, \n"
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" inout vec4 diffuse, \n"
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" inout vec4 specular) \n"
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"{ \n"
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" float nDotVP; // normal . light direction \n"
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" float nDotHV; // normal . light half vector \n"
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" float pf; // power factor \n"
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" \n"
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" nDotVP = max(0.0, dot(normal, \n"
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" normalize(vec3(gl_LightSource[i].position)))); \n"
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" nDotHV = max(0.0, dot(normal, \n"
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" vec3(gl_LightSource[i].halfVector))); \n"
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" \n"
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" if (nDotVP == 0.0) \n"
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" pf = 0.0; \n"
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" else \n"
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" pf = pow(nDotHV, gl_FrontMaterial.shininess); \n"
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" \n"
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" ambient += gl_LightSource[i].ambient; \n"
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" diffuse += gl_LightSource[i].diffuse * nDotVP; \n"
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" specular += gl_LightSource[i].specular * pf; \n"
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"} \n"
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" \n"
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"void main( ) \n"
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"{ \n"
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" // Transform vertex to clip space \n"
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" gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex; \n"
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" vec3 normal = normalize( gl_NormalMatrix * gl_Normal ); \n"
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" \n"
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" vec4 ecPos = gl_ModelViewMatrix * gl_Vertex; \n"
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" \n"
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" ambient += gl_LightSource[i].ambient * attenuation; \n"
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" diffuse += gl_LightSource[i].diffuse * nDotVP * attenuation; \n"
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" specular += gl_LightSource[i].specular * pf * attenuation; \n"
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"} \n"
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" \n"
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"void DirectionalLight(in int i, \n"
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" in vec3 normal, \n"
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" inout vec4 ambient, \n"
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" inout vec4 diffuse, \n"
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" inout vec4 specular) \n"
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"{ \n"
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" float nDotVP; // normal . light direction \n"
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" float nDotHV; // normal . light half vector \n"
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" float pf; // power factor \n"
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" \n"
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" nDotVP = max(0.0, dot(normal, \n"
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" normalize(vec3(gl_LightSource[i].position)))); \n"
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" nDotHV = max(0.0, dot(normal, \n"
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" vec3(gl_LightSource[i].halfVector))); \n"
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" \n"
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" if (nDotVP == 0.0) \n"
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" pf = 0.0; \n"
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" else \n"
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" pf = pow(nDotHV, gl_FrontMaterial.shininess); \n"
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" \n"
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" ambient += gl_LightSource[i].ambient; \n"
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" diffuse += gl_LightSource[i].diffuse * nDotVP; \n"
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" specular += gl_LightSource[i].specular * pf; \n"
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"} \n"
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" \n"
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"void main( ) \n"
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"{ \n"
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" // Transform vertex to clip space \n"
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" gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex; \n"
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" vec3 normal = normalize( gl_NormalMatrix * gl_Normal ); \n"
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" \n"
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" vec4 ecPos = gl_ModelViewMatrix * gl_Vertex; \n"
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" float ecLen = length( ecPos ); \n"
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" vec3 ecPosition3 = ecPos.xyz / ecPos.w; \n"
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" \n"
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" vec3 eye = vec3( 0.0, 0.0, 1.0 ); \n"
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" //vec3 eye = -normalize(ecPosition3); \n"
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" \n"
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" DynamicShadow( ecPos ); \n"
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" \n"
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" gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0; \n"
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" \n"
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" // Front Face lighting \n"
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" \n"
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" // Clear the light intensity accumulators \n"
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" vec4 amb = vec4(0.0); \n"
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" vec4 diff = vec4(0.0); \n"
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" vec4 spec = vec4(0.0); \n"
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" \n"
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" // Loop through enabled lights, compute contribution from each \n"
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" for (int i = 0; i < NumEnabledLights; i++) \n"
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" DynamicShadow( ecPos ); \n"
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" \n"
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" gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0; \n"
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" \n"
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" // Front Face lighting \n"
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" \n"
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" // Clear the light intensity accumulators \n"
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" vec4 amb = vec4(0.0); \n"
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" vec4 diff = vec4(0.0); \n"
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" vec4 spec = vec4(0.0); \n"
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" \n"
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" // Loop through enabled lights, compute contribution from each \n"
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" for (int i = 0; i < NumEnabledLights; i++) \n"
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" { \n"
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" if (gl_LightSource[i].position.w == 0.0) \n"
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" DirectionalLight(i, normal, amb, diff, spec); \n"
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@@ -272,20 +272,20 @@ StandardShadowMap::StandardShadowMap():
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" SpotLight(i, eye, ecPosition3, normal, amb, diff, spec); \n"
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" } \n"
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" \n"
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" colorAmbientEmissive = gl_FrontLightModelProduct.sceneColor + \n"
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" colorAmbientEmissive = gl_FrontLightModelProduct.sceneColor + \n"
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" amb * gl_FrontMaterial.ambient; \n"
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" \n"
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" gl_FrontColor = colorAmbientEmissive + \n"
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" diff * gl_FrontMaterial.diffuse; \n"
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" \n"
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" gl_FrontSecondaryColor = vec4(spec*gl_FrontMaterial.specular); \n"
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" \n"
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" gl_BackColor = gl_FrontColor; \n"
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" gl_BackSecondaryColor = gl_FrontSecondaryColor; \n"
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" \n"
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" gl_FogFragCoord = ecLen; \n"
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"} \n" );
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}
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" \n"
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" gl_FrontSecondaryColor = vec4(spec*gl_FrontMaterial.specular); \n"
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" \n"
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" gl_BackColor = gl_FrontColor; \n"
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" gl_BackSecondaryColor = gl_FrontSecondaryColor; \n"
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" \n"
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" gl_FogFragCoord = ecLen; \n"
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"} \n" );
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}
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StandardShadowMap::StandardShadowMap
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(const StandardShadowMap& copy, const osg::CopyOp& copyop) :
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@@ -313,10 +313,10 @@ StandardShadowMap::StandardShadowMap
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( copy._shadowFragmentShader->clone(copyop) );
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}
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StandardShadowMap::~StandardShadowMap(void)
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{
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StandardShadowMap::~StandardShadowMap(void)
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{
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}
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}
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void StandardShadowMap::updateTextureCoordIndices
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( unsigned int fromTextureCoordIndex, unsigned int toTextureCoordIndex )
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@@ -455,10 +455,10 @@ void StandardShadowMap::ViewData::init( ThisClass *st, osgUtil::CullVisitor *cv
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_camera->setClearMask(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
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_camera->setClearColor( osg::Vec4(1.0f,1.0f,1.0f,1.0f) );
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#endif
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_camera->setComputeNearFarMode(osg::Camera::DO_NOT_COMPUTE_NEAR_FAR);
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_camera->setComputeNearFarMode(osg::Camera::DO_NOT_COMPUTE_NEAR_FAR);
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_camera->setViewport(0,0, st->_textureSize.x(), st->_textureSize.y() );
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_camera->setRenderOrder(osg::Camera::PRE_RENDER);
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_camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT);
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_camera->setRenderOrder(osg::Camera::PRE_RENDER);
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_camera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT);
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_camera->attach(osg::Camera::DEPTH_BUFFER, _texture.get());
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}
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@@ -490,7 +490,7 @@ void StandardShadowMap::ViewData::init( ThisClass *st, osgUtil::CullVisitor *cv
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_stateset->setTextureMode(st->_shadowTextureUnit,GL_TEXTURE_GEN_Q,osg::StateAttribute::ON);
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}
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{ // Setup shaders used in shadow casting
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{ // Setup shaders used in shadow casting
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osg::Program * program = new osg::Program();
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_stateset->setAttribute( program );
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@@ -558,7 +558,7 @@ void StandardShadowMap::ViewData::init( ThisClass *st, osgUtil::CullVisitor *cv
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#if 0
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stateset->setMode
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( GL_ALPHA_TEST, osg::StateAttribute::OVERRIDE | osg::StateAttribute::OFF );
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#endif
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#endif
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#if 0 // fixed pipeline seems faster (at least on my 7800)
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program->addShader( new osg::Shader( osg::Shader::FRAGMENT,
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@@ -625,7 +625,7 @@ const osg::Light* StandardShadowMap::ViewData::selectLight
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if( lightPos[3] == 0 )
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lightDir.set( -lightPos[0], -lightPos[1], -lightPos[2] );
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else
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lightDir = light->getDirection();
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lightDir = light->getDirection();
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lightPos = lightPos * localToWorld;
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lightDir = osg::Matrix::transform3x3( lightDir, localToWorld );
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@@ -731,7 +731,7 @@ void StandardShadowMap::ViewData::cullShadowReceivingScene( )
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}
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void StandardShadowMap::ViewData::cullShadowCastingScene( )
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{
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{
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// record the traversal mask on entry so we can reapply it later.
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unsigned int traversalMask = _cv->getTraversalMask();
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