61 lines
1.6 KiB
GLSL
61 lines
1.6 KiB
GLSL
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layout(location = 0) in vec3 inFragPos;
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layout(location = 1) in vec3 inNormal;
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layout(location = 2) in vec2 inUV;
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layout(location = 3) in mat3 TBN;
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layout(location = 0) out vec4 outFragPos;
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layout(location = 1) out vec4 outNormal;
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layout(location = 2) out vec4 outAlbedo;
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layout(location = 3) out vec4 outMaterial;
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layout(std140, binding = 0) uniform UniformObjectData {
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mat4 projection, view, model;
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vec4 albedoTint;
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vec4 emission;
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float metallic, roughness;
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} objectData;
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layout(binding = 1) uniform sampler2D albedoSampler;
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layout(binding = 2) uniform sampler2D normalSampler;
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layout(binding = 3) uniform sampler2D metallicSampler;
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layout(binding = 4) uniform sampler2D roughnessSampler;
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vec3 GetAlbedo() {
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if(textureSize(albedoSampler, 0).x <= 1)
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return objectData.albedoTint.rgb;
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return texture(albedoSampler, inUV).rgb * objectData.albedoTint.rgb;
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}
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vec3 GetNormal() {
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if(textureSize(normalSampler, 0).x <= 1)
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return normalize(inNormal);
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vec3 normal = texture(normalSampler, inUV).rgb;
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normal = 2.0 * normal - 1.0;
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normal = TBN * normal;
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return normalize(normal);
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}
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float GetMetallic() {
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if(textureSize(metallicSampler, 0).x <= 1)
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return objectData.metallic;
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return texture(metallicSampler, inUV).r;
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}
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float GetRoughness() {
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if(textureSize(roughnessSampler, 0).x <= 1)
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return objectData.roughness;
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return texture(roughnessSampler, inUV).r;
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}
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void main() {
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outFragPos = vec4(inFragPos, 1.0);
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outNormal = vec4(GetNormal(), 1.0);
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outAlbedo = vec4(GetAlbedo(), 1.0);
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outMaterial = vec4(GetRoughness(), GetMetallic(), objectData.emission.r, 1.0);
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}
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