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Stencil mask for brush

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This commit is contained in:
luboslenco
2020-03-13 17:22:16 +01:00
parent 2d0ffe37de
commit e624b0e6ea
10 changed files with 106 additions and 10 deletions
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Sources/arm/node/MakePaint.hx
+16
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@@ -221,6 +221,22 @@ class MakePaint {
frag.write('opacity *= textureLod(textexttool, texCoord, 0.0).r;');
}
if (UITrait.inst.brushStencilImage != null && (
Context.tool == ToolBrush ||
Context.tool == ToolEraser ||
Context.tool == ToolFill ||
Context.tool == ToolClone ||
Context.tool == ToolBlur ||
Context.tool == ToolParticle ||
decal)) {
frag.add_uniform('sampler2D texbrushstencil', '_texbrushstencil');
frag.add_uniform('vec4 stencilTransform', '_stencilTransform');
frag.write('vec2 stencil_uv = vec2((sp.xy - stencilTransform.xy) / stencilTransform.z * vec2(aspectRatio, 1.0));');
frag.write('if (stencil_uv.x < 0 || stencil_uv.x > 1 || stencil_uv.y < 0 || stencil_uv.y > 1) discard;');
frag.write('vec4 texbrushstencil_sample = textureLod(texbrushstencil, stencil_uv, 0.0);');
frag.write('opacity *= texbrushstencil_sample.r * texbrushstencil_sample.a;');
}
if (UITrait.inst.brushMaskImage != null && (Context.tool == ToolBrush || Context.tool == ToolEraser)) {
frag.add_uniform('sampler2D texbrushmask', '_texbrushmask');
frag.write('vec2 binp_mask = inp.xy * 2.0 - 1.0;');