30 lines
792 B
GLSL
30 lines
792 B
GLSL
#version 450
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#extension GL_EXT_samplerless_texture_functions : enable
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#define MODE_1D 0
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#define MODE_2D 1
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#define MODE_MS 2
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layout(constant_id = 0) const uint c_mode = MODE_2D;
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layout(binding = 0) uniform texture1DArray tex_1d;
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layout(binding = 0) uniform texture2DArray tex_2d;
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layout(binding = 0) uniform texture2DMSArray tex_ms;
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layout(location = 0) out float o_color;
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layout(push_constant)
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uniform u_info_t {
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ivec2 offset;
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} u_info;
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void main() {
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ivec3 coord = ivec3(u_info.offset + ivec2(gl_FragCoord.xy), gl_Layer);
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float value;
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if (c_mode == MODE_1D) value = texelFetch(tex_1d, coord.xz, 0).r;
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if (c_mode == MODE_2D) value = texelFetch(tex_2d, coord, 0).r;
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if (c_mode == MODE_MS) value = texelFetch(tex_ms, coord, gl_SampleID).r;
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gl_FragDepth = o_color = value;
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}
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