diff options
author | Michael Kowalski <makowalski@nvidia.com> | 2022-11-08 03:37:51 +0300 |
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committer | Michael Kowalski <makowalski@nvidia.com> | 2022-11-08 03:37:51 +0300 |
commit | a400935d29f54b9bd821d093873eb4643a279e59 (patch) | |
tree | 5dbd37ed111ee47c0dbe5696b834c3a16e96435c /source/blender/compositor/realtime_compositor/shaders/compositor_ellipse_mask.glsl | |
parent | 036e10e5462b95ec6a12e9dd4a900ba7ff05032c (diff) | |
parent | d8dab1ba978e32af9af581fbd4c4bc0682278703 (diff) |
Merge branch 'tmp-vfx-platform-2023' into tmp-dynamic-usdtmp-dynamic-usd
Diffstat (limited to 'source/blender/compositor/realtime_compositor/shaders/compositor_ellipse_mask.glsl')
-rw-r--r-- | source/blender/compositor/realtime_compositor/shaders/compositor_ellipse_mask.glsl | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/source/blender/compositor/realtime_compositor/shaders/compositor_ellipse_mask.glsl b/source/blender/compositor/realtime_compositor/shaders/compositor_ellipse_mask.glsl new file mode 100644 index 00000000000..28f725067e0 --- /dev/null +++ b/source/blender/compositor/realtime_compositor/shaders/compositor_ellipse_mask.glsl @@ -0,0 +1,27 @@ +#pragma BLENDER_REQUIRE(gpu_shader_compositor_texture_utilities.glsl) + +void main() +{ + ivec2 texel = ivec2(gl_GlobalInvocationID.xy); + + vec2 uv = vec2(texel) / vec2(domain_size - ivec2(1)); + uv -= location; + uv.y *= float(domain_size.y) / float(domain_size.x); + uv = mat2(cos_angle, -sin_angle, sin_angle, cos_angle) * uv; + bool is_inside = length(uv / radius) < 1.0; + + float base_mask_value = texture_load(base_mask_tx, texel).x; + float value = texture_load(mask_value_tx, texel).x; + +#if defined(CMP_NODE_MASKTYPE_ADD) + float output_mask_value = is_inside ? max(base_mask_value, value) : base_mask_value; +#elif defined(CMP_NODE_MASKTYPE_SUBTRACT) + float output_mask_value = is_inside ? clamp(base_mask_value - value, 0.0, 1.0) : base_mask_value; +#elif defined(CMP_NODE_MASKTYPE_MULTIPLY) + float output_mask_value = is_inside ? base_mask_value * value : 0.0; +#elif defined(CMP_NODE_MASKTYPE_NOT) + float output_mask_value = is_inside ? (base_mask_value > 0.0 ? 0.0 : value) : base_mask_value; +#endif + + imageStore(output_mask_img, texel, vec4(output_mask_value)); +} |