wehub-resource-sync
87 lines
2.8 KiB
GLSL
87 lines
2.8 KiB
GLSL
(
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name: "Overlay",
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resources: [
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(
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name: "diffuseTexture",
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kind: Texture(kind: Sampler2D, fallback: White),
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binding: 0
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),
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(
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name: "properties",
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kind: PropertyGroup([
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(name: "viewProjectionMatrix", kind: Matrix4()),
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(name: "worldMatrix", kind: Matrix4()),
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(name: "cameraSideVector", kind: Vector3()),
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(name: "cameraUpVector", kind: Vector3()),
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(name: "size", kind: Float()),
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]),
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binding: 0
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),
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],
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passes: [
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(
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name: "Primary",
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draw_parameters: DrawParameters(
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cull_face: None,
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color_write: ColorMask(
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red: true,
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green: true,
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blue: true,
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alpha: true,
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),
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depth_write: false,
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stencil_test: None,
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depth_test: None,
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blend: Some(BlendParameters(
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func: BlendFunc(
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sfactor: SrcAlpha,
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dfactor: OneMinusSrcAlpha,
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alpha_sfactor: SrcAlpha,
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alpha_dfactor: OneMinusSrcAlpha,
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),
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equation: BlendEquation(
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rgb: Add,
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alpha: Add
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)
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)),
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stencil_op: StencilOp(
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fail: Keep,
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zfail: Keep,
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zpass: Keep,
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write_mask: 0xFFFF_FFFF,
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),
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scissor_box: None
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),
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vertex_shader:
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r#"
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layout (location = 0) in vec3 vertexPosition;
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layout (location = 1) in vec2 vertexTexCoord;
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out vec2 texCoord;
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void main()
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{
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texCoord = vertexTexCoord;
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vec2 vertexOffset = vertexTexCoord * 2.0 - 1.0;
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vec4 worldPosition = properties.worldMatrix * vec4(vertexPosition, 1.0);
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vec3 offset = (vertexOffset.x * properties.cameraSideVector + vertexOffset.y * properties.cameraUpVector) * properties.size;
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gl_Position = properties.viewProjectionMatrix * (worldPosition + vec4(offset.x, offset.y, offset.z, 0.0));
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}
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"#,
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fragment_shader:
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r#"
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out vec4 FragColor;
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in vec2 texCoord;
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void main()
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{
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FragColor = texture(diffuseTexture, texCoord);
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}
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"#,
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)
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]
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) |