54 lines
1.6 KiB
GLSL
54 lines
1.6 KiB
GLSL
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#version 450
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layout(location = 0) out vec4 fragColor;
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layout(location = 1) out vec4 fragNormal;
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layout(location = 2) out vec4 fragPosition;
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layout(location = 3) out vec4 fragPbr;
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layout(location = 0) in vec3 inPos;
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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 inTBN;
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layout( push_constant ) uniform constants
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{
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uint transformIdx;
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uint materialIdx;
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} PushConstants;
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struct Material {
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vec4 albedo;
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vec4 bsdf;
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int colorTexture;
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float colorTextureBlend;
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int normalTexture;
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float normalTextureBlend;
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int pbrTexture;
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float pbrTextureBlend;
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};
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layout(set = 2, binding = 0) uniform Materials {
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Material materials[128];
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} materials;
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layout(set = 2, binding = 2) uniform sampler2DArray colorTextures;
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layout(set = 2, binding = 3) uniform sampler2DArray normalTextures;
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layout(set = 2, binding = 4) uniform sampler2DArray pbrTextures;
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void main() {
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Material material = materials.materials[PushConstants.materialIdx];
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vec4 color = texture(colorTextures, vec3(inUV, material.colorTexture)).rgba;
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vec3 normal = texture(normalTextures, vec3(inUV, materials.materials[PushConstants.materialIdx].normalTexture)).rgb;
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normal = normalize(normal * 2.0 - 1.0);
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vec2 pbr = texture(pbrTextures, vec3(inUV, material.pbrTexture)).bg;
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fragColor = vec4(mix(material.albedo.rgb, color.rgb, material.colorTextureBlend), color.a);
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fragNormal = vec4(mix(inNormal, normalize(inTBN * normalize(normal)), 1.0), color.a);
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fragPosition = vec4(inPos, color.a);
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fragPbr = vec4(mix(material.bsdf.xy, pbr, 1.0), 0.0, color.a);
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}
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