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replaced decal shader with native one
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| ( | ||
| name: "Decal", | ||
| resources: [ | ||
| ( | ||
| name: "sceneDepth", | ||
| kind: Texture(kind: Sampler2D, fallback: White), | ||
| binding: 0 | ||
| ), | ||
| ( | ||
| name: "diffuseTexture", | ||
| kind: Texture(kind: Sampler2D, fallback: White), | ||
| binding: 1 | ||
| ), | ||
| ( | ||
| name: "normalTexture", | ||
| kind: Texture(kind: Sampler2D, fallback: White), | ||
| binding: 2 | ||
| ), | ||
| ( | ||
| name: "decalMask", | ||
| kind: Texture(kind: USampler2D, fallback: White), | ||
| binding: 3 | ||
| ), | ||
| ( | ||
| name: "properties", | ||
| kind: PropertyGroup([ | ||
| (name: "worldViewProjection", kind: Matrix4()), | ||
| (name: "invViewProj", kind: Matrix4()), | ||
| (name: "invWorldDecal", kind: Matrix4()), | ||
| (name: "resolution", kind: Vector2()), | ||
| (name: "color", kind: Vector4()), | ||
| (name: "layerIndex", kind: UInt()), | ||
| ]), | ||
| binding: 0 | ||
| ), | ||
| ], | ||
| passes: [ | ||
| ( | ||
| name: "Primary", | ||
|
|
||
| draw_parameters: DrawParameters( | ||
| cull_face: None, | ||
| color_write: ColorMask( | ||
| red: true, | ||
| green: true, | ||
| blue: true, | ||
| alpha: true, | ||
| ), | ||
| depth_write: false, | ||
| stencil_test: None, | ||
| depth_test: None, | ||
| blend: Some(BlendParameters( | ||
| func: BlendFunc( | ||
| sfactor: SrcAlpha, | ||
| dfactor: OneMinusSrcAlpha, | ||
| alpha_sfactor: SrcAlpha, | ||
| alpha_dfactor: OneMinusSrcAlpha, | ||
| ), | ||
| equation: BlendEquation( | ||
| rgb: Add, | ||
| alpha: Add | ||
| ) | ||
| )), | ||
| stencil_op: StencilOp( | ||
| fail: Keep, | ||
| zfail: Keep, | ||
| zpass: Keep, | ||
| write_mask: 0xFFFF_FFFF, | ||
| ), | ||
| scissor_box: None | ||
| ), | ||
|
|
||
| vertex_shader: | ||
| r#" | ||
| layout (location = 0) in vec3 vertexPosition; | ||
|
|
||
| out vec4 clipSpacePosition; | ||
|
|
||
| void main() | ||
| { | ||
| gl_Position = properties.worldViewProjection * vec4(vertexPosition, 1.0); | ||
| clipSpacePosition = gl_Position; | ||
| } | ||
| "#, | ||
|
|
||
| fragment_shader: | ||
| r#" | ||
| layout (location = 0) out vec4 outDiffuseMap; | ||
| layout (location = 1) out vec4 outNormalMap; | ||
|
|
||
| in vec4 clipSpacePosition; | ||
|
|
||
| void main() | ||
| { | ||
| vec2 screenPos = clipSpacePosition.xy / clipSpacePosition.w; | ||
|
|
||
| vec2 texCoord = vec2( | ||
| (1.0 + screenPos.x) / 2.0 + (0.5 / properties.resolution.x), | ||
| (1.0 + screenPos.y) / 2.0 + (0.5 / properties.resolution.y) | ||
| ); | ||
|
|
||
| uvec4 maskIndex = texture(decalMask, texCoord); | ||
|
|
||
| // Masking. | ||
| if (maskIndex.r != properties.layerIndex) { | ||
| discard; | ||
| } | ||
|
|
||
| float sceneDepth = texture(sceneDepth, texCoord).r; | ||
|
|
||
| vec3 sceneWorldPosition = S_UnProject(vec3(texCoord, sceneDepth), properties.invViewProj); | ||
|
|
||
| vec3 decalSpacePosition = (properties.invWorldDecal * vec4(sceneWorldPosition, 1.0)).xyz; | ||
|
|
||
| // Check if scene pixel is not inside decal bounds. | ||
| vec3 dpos = vec3(0.5) - abs(decalSpacePosition.xyz); | ||
| if (dpos.x < 0.0 || dpos.y < 0.0 || dpos.z < 0.0) { | ||
| discard; | ||
| } | ||
|
|
||
| vec2 decalTexCoord = decalSpacePosition.xz + 0.5; | ||
|
|
||
| outDiffuseMap = properties.color * texture(diffuseTexture, decalTexCoord); | ||
|
|
||
| vec3 fragmentTangent = dFdx(sceneWorldPosition); | ||
| vec3 fragmentBinormal = dFdy(sceneWorldPosition); | ||
| vec3 fragmentNormal = cross(fragmentTangent, fragmentBinormal); | ||
|
|
||
| mat3 tangentToWorld; | ||
| tangentToWorld[0] = normalize(fragmentTangent); // Tangent | ||
| tangentToWorld[1] = normalize(fragmentBinormal); // Binormal | ||
| tangentToWorld[2] = normalize(fragmentNormal); // Normal | ||
|
|
||
| vec3 rawNormal = (texture(normalTexture, decalTexCoord) * 2.0 - 1.0).xyz; | ||
| vec3 worldSpaceNormal = tangentToWorld * rawNormal; | ||
| outNormalMap = vec4(worldSpaceNormal * 0.5 + 0.5, outDiffuseMap.a); | ||
| } | ||
| "#, | ||
| ) | ||
| ] | ||
| ) |
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