mirror of
https://github.com/hyprwm/wlroots-hyprland.git
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8e34692250
This new renderer is implemented with the existing wlr_renderer API (which is known to be sub-optimal for some operations). It's not used by default, but users can opt-in by setting WLR_RENDERER=vulkan. The renderer depends on VK_EXT_image_drm_format_modifier and VK_EXT_physical_device_drm. Co-authored-by: Simon Ser <contact@emersion.fr> Co-authored-by: Jan Beich <jbeich@FreeBSD.org>
25 lines
557 B
GLSL
25 lines
557 B
GLSL
#version 450
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layout(set = 0, binding = 0) uniform sampler2D tex;
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layout(location = 0) in vec2 uv;
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layout(location = 0) out vec4 out_color;
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layout(push_constant) uniform UBO {
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layout(offset = 80) float alpha;
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} data;
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void main() {
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out_color = textureLod(tex, uv, 0);
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// We expect this shader to output pre-alpha-multiplied color values.
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// alpha < 0.0 means that this shader should ignore the texture's alpha
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// value.
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if (data.alpha < 0.0) {
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out_color.a = -data.alpha;
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out_color.rgb *= -data.alpha;
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} else {
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out_color *= data.alpha;
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}
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}
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