52 lines
1.3 KiB
Plaintext
52 lines
1.3 KiB
Plaintext
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/*
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glslangValidator -V -S frag -g0 --ku -o function_parameter_access.spv function_parameter_access.glsl
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*/
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#version 450
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layout(binding = 0) uniform sampler Sampler;
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layout(binding = 1) uniform texture2D Texture;
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layout(binding = 2) uniform sampler2D Sampler2D;
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layout(binding = 3) uniform sampler NeverAccessedSampler;
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layout(binding = 4) uniform texture2D NeverAccessedTexture;
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layout(binding = 5) uniform sampler2D NeverAccessedSampler2D;
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layout(location = 0) out vec4 color;
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vec4 access_sampler_and_texture(texture2D t, sampler s, vec2 coord)
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{
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vec4 ret = texture(sampler2D(t, s), coord);
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return vec4(5.0) * ret;
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}
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vec4 access_combined_sampler(sampler2D s)
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{
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vec2 coord = vec2(0.5, 0.5);
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vec4 ret = texture(s, coord);
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return vec4(1.0, 2.0, 3.0, 1.0) * ret;
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}
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vec4 call_access_functions(texture2D t, sampler s)
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{
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return access_combined_sampler(Sampler2D) + access_sampler_and_texture(t, s, vec2(0.25, 0.75));
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}
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vec4 never_called(texture2D t, sampler s, float u, float v)
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{
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vec4 ret = texture(sampler2D(t, s), vec2(u, v));
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return vec4(-3.0) * ret;
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}
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vec4 never_called_2(vec2 coord)
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{
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vec4 ret = texture(sampler2D(NeverAccessedTexture, NeverAccessedSampler), coord);
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ret *= texture(NeverAccessedSampler2D, coord);
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return ret;
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}
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void main()
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{
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color = vec4(-1.0) * call_access_functions(Texture, Sampler);
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}
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