ref_vk/shaders/basic.frag

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#version 450
layout(push_constant) uniform PushConstant
{
// vertex shader has 'mat4 vpMatrix;' at begin.
layout(offset = 68) float gamma;
} pc;
layout(set = 0, binding = 0) uniform sampler2D sTexture;
layout(location = 0) in vec2 texCoord;
layout(location = 1) in vec4 color;
layout(location = 2) in float aTreshold;
layout(location = 0) out vec4 fragmentColor;
void main()
{
fragmentColor = texture(sTexture, texCoord) * color;
if(fragmentColor.a < aTreshold)
discard;
fragmentColor = vec4(pow(fragmentColor.rgb, vec3(pc.gamma)), fragmentColor.a);
}