[Mesa-dev] [PATCH 29/50] glsl: Add a lowering pass for 64-bit float d2i()
Dave Airlie
airlied at gmail.com
Tue Mar 13 04:24:54 UTC 2018
From: Elie Tournier <tournier.elie at gmail.com>
Signed-off-by: Elie Tournier <elie.tournier at collabora.com>
---
src/compiler/glsl/ir_optimization.h | 3 ++-
src/compiler/glsl/lower_64bit.cpp | 7 +++++++
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/src/compiler/glsl/ir_optimization.h b/src/compiler/glsl/ir_optimization.h
index a4cb7b2..3cc7f2e 100644
--- a/src/compiler/glsl/ir_optimization.h
+++ b/src/compiler/glsl/ir_optimization.h
@@ -67,9 +67,10 @@
#define ADD64 (1U << 8)
#define D2U (1U << 9)
#define U2D (1U << 10)
+#define D2I (1U << 11)
#define LOWER_ALL_DOUBLE_OPS (ABS64 | NEG64 | SIGN64 | EQ64 | LT64 | \
- ADD64 | MUL64 | D2U | U2D)
+ ADD64 | MUL64 | D2U | U2D | D2I)
/**
* \see class lower_packing_builtins_visitor
diff --git a/src/compiler/glsl/lower_64bit.cpp b/src/compiler/glsl/lower_64bit.cpp
index 1e97306..7b2ffe8 100644
--- a/src/compiler/glsl/lower_64bit.cpp
+++ b/src/compiler/glsl/lower_64bit.cpp
@@ -424,6 +424,13 @@ lower_64bit_visitor::handle_rvalue(ir_rvalue **rvalue)
}
break;
+ case ir_unop_d2i:
+ if (lowering(D2I)) {
+ if (ir->type->base_type == GLSL_TYPE_INT)
+ *rvalue = handle_op(ir, "__builtin_fp64_to_int", generate_ir::fp64_to_int);
+ }
+ break;
+
case ir_unop_d2u:
if (lowering(D2U)) {
if (ir->type->base_type == GLSL_TYPE_UINT)
--
2.9.5
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