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vulkan: add support for blend buffers

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This commit is contained in:
Julian Orth 2025-02-22 17:18:20 +01:00
parent 1220539a41
commit cb9da22ec2
20 changed files with 638 additions and 78 deletions
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18
src/gfx_apis/vulkan/shaders/tex.frag
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@ -1,6 +1,7 @@
#version 450
#include "frag_spec_const.glsl"
#include "transfer_functions.glsl"
#include "tex.common.glsl"
layout(set = 0, binding = 0) uniform sampler2D tex;
@ -8,13 +9,22 @@ layout(location = 0) in vec2 tex_pos;
layout(location = 0) out vec4 out_color;
void main() {
vec4 c = textureLod(tex, tex_pos, 0);
if (color_management) {
if (src_has_alpha) {
c.rgb /= mix(c.a, 1.0, c.a == 0.0);
}
c.rgb = eotf_srgb(c.rgb);
if (src_has_alpha) {
c.rgb *= c.a;
}
}
if (has_alpha_multiplier) {
if (src_has_alpha) {
out_color = textureLod(tex, tex_pos, 0) * data.mul;
c *= data.mul;
} else {
out_color = vec4(textureLod(tex, tex_pos, 0).rgb * data.mul, data.mul);
c = vec4(c.rgb * data.mul, data.mul);
}
} else {
out_color = textureLod(tex, tex_pos, 0);
}
out_color = c;
}