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glsl: lower builtins to mediump that always return mediump or lowp

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Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5746>
This commit is contained in:
Marek Olšák
2020-07-01 14:09:32 -04:00
parent 8fcf8e7fd4
commit 38cadd8b46
2 changed files with 114 additions and 2 deletions
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90
src/compiler/glsl/tests/lower_precision_test.py
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@@ -1538,6 +1538,96 @@ TESTS = [
}
""",
r'expression int16_t bitfield_insert \(expression int16_t'),
Test("bitCount",
"""
#version 310 es
precision mediump float;
precision mediump int;
uniform highp int val;
out int color;
void main()
{
color = bitCount(val) + 1;
}
""",
r'expression int16_t \+ \(expression int16_t i2imp \(expression int bit_count \(var_ref val'),
Test("findLSB",
"""
#version 310 es
precision mediump float;
precision mediump int;
uniform highp int val;
out int color;
void main()
{
color = findLSB(val) + 1;
}
""",
r'expression int16_t \+ \(expression int16_t i2imp \(expression int find_lsb \(var_ref val'),
Test("findMSB",
"""
#version 310 es
precision mediump float;
precision mediump int;
uniform highp int val;
out int color;
void main()
{
color = findMSB(val) + 1;
}
""",
r'expression int16_t \+ \(expression int16_t i2imp \(expression int find_msb \(var_ref val'),
Test("unpackHalf2x16",
"""
#version 310 es
precision mediump float;
precision mediump int;
uniform highp uint val;
out vec2 color;
void main()
{
color = unpackHalf2x16(val) + vec2(1.0);
}
""",
r'expression f16vec2 \+ \(expression f16vec2 f2fmp \(expression vec2 unpackHalf2x16 \(var_ref val'),
Test("unpackUnorm4x8",
"""
#version 310 es
precision mediump float;
precision mediump int;
uniform highp uint val;
out vec4 color;
void main()
{
color = unpackUnorm4x8(val) + vec4(1.0);
}
""",
r'expression f16vec4 \+ \(expression f16vec4 f2fmp \(expression vec4 unpackUnorm4x8 \(var_ref val'),
Test("unpackSnorm4x8",
"""
#version 310 es
precision mediump float;
precision mediump int;
uniform highp uint val;
out vec4 color;
void main()
{
color = unpackSnorm4x8(val) + vec4(1.0);
}
""",
r'expression f16vec4 \+ \(expression f16vec4 f2fmp \(expression vec4 unpackSnorm4x8 \(var_ref val'),
]