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Use cube map (from asset pack) in hdr example

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saschawillems 2017-04-22 10:22:01 +02:00
parent 1dd45a4ddf
commit 89dcddbdca
7 changed files with 21 additions and 54 deletions
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15
data/shaders/hdr/gbuffer.frag
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@ -3,7 +3,7 @@
#extension GL_ARB_separate_shader_objects : enable
#extension GL_ARB_shading_language_420pack : enable
layout (binding = 1) uniform sampler2D samplerEnvMap;
layout (binding = 1) uniform samplerCube samplerEnvMap;
layout (location = 0) in vec3 inUVW;
layout (location = 1) in vec3 inPos;
@ -24,13 +24,6 @@ layout (binding = 2) uniform UBO {
float exposure;
} ubo;
vec2 envMapEquirect(vec3 normal)
{
float phi = acos(-normal.y);
float theta = atan(-1.0 * normal.x, normal.z) + PI;
return vec2(theta / TwoPI, phi / PI);
}
void main()
{
vec4 color;
@ -40,7 +33,7 @@ void main()
case 0: // Skybox
{
vec3 normal = normalize(inUVW);
color = texture(samplerEnvMap, envMapEquirect(normal));
color = texture(samplerEnvMap, normal);
}
break;
@ -74,7 +67,7 @@ void main()
float spec = (fresnel * geoAtt) / (NdotV * NdotL * 3.14);
color = texture(samplerEnvMap, envMapEquirect(reflect(-wViewVec, wNormal)));
color = texture(samplerEnvMap, reflect(-wViewVec, wNormal));
color = vec4(color.rgb * NdotL * (k + spec * (1.0 - k)), 1.0);
}
@ -84,7 +77,7 @@ void main()
{
vec3 wViewVec = mat3(inInvModelView) * normalize(inViewVec);
vec3 wNormal = mat3(inInvModelView) * inNormal;
color = texture(samplerEnvMap, envMapEquirect(refract(-wViewVec, wNormal, 1.0/1.6)));
color = texture(samplerEnvMap, refract(-wViewVec, wNormal, 1.0/1.6));
}
break;
}