glsl: New unary opcodes for ARB_shader_bit_encoding support.

The opcodes are bitcast_f2u, bitcast_f2i, bitcast_i2f and bitcast_u2f.

Signed-off-by: Olivier Galibert <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>

1 files changed, 21 insertions, 0 deletions

diff --git a/src/glsl/builtins/ir/floatBitsToUint.ir b/src/glsl/builtins/ir/floatBitsToUint.ir
new file mode 100644
index 00000000000..09463bd9a75
--- /dev/null
+++ b/src/glsl/builtins/ir/floatBitsToUint.ir
@@ -0,0 +1,21 @@
+((function floatBitsToUint
+   (signature uint
+     (parameters
+       (declare (in) float arg))
+     ((return (expression uint bitcast_f2u (var_ref arg)))))
+
+   (signature uvec2
+     (parameters
+       (declare (in) vec2 arg))
+     ((return (expression uvec2 bitcast_f2u (var_ref arg)))))
+
+   (signature uvec3
+     (parameters
+       (declare (in) vec3 arg))
+     ((return (expression uvec3 bitcast_f2u (var_ref arg)))))
+
+   (signature uvec4
+     (parameters
+       (declare (in) vec4 arg))
+     ((return (expression uvec4 bitcast_f2u (var_ref arg)))))
+))