[Mesa-dev] [PATCH 50/78] i965/vec4: Return the emitted instruction in emit_lrp()

[Eduardo Lima Mitev]

From: Antia Puentes <apuentes at igalia.com>

Needed in the NIR backend to set the "saturate" value of the
instruction.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89580
---
 src/mesa/drivers/dri/i965/brw_vec4.h           | 4 ++--
 src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_vec4.h b/src/mesa/drivers/dri/i965/brw_vec4.h
index df18886..5db5d43 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.h
+++ b/src/mesa/drivers/dri/i965/brw_vec4.h
@@ -296,8 +296,8 @@ public:
    vec4_instruction *emit_minmax(enum brw_conditional_mod conditionalmod, dst_reg dst,
                                  src_reg src0, src_reg src1);
 
-   void emit_lrp(const dst_reg &dst,
-                 const src_reg &x, const src_reg &y, const src_reg &a);
+   vec4_instruction *emit_lrp(const dst_reg &dst, const src_reg &x,
+                              const src_reg &y, const src_reg &a);
 
    /** Copy any live channel from \p src to the first channel of \p dst. */
    void emit_uniformize(const dst_reg &dst, const src_reg &src);
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index 7dababb..4691173 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -1282,7 +1282,7 @@ vec4_visitor::emit_minmax(enum brw_conditional_mod conditionalmod, dst_reg dst,
    return inst;
 }
 
-void
+vec4_instruction *
 vec4_visitor::emit_lrp(const dst_reg &dst,
                        const src_reg &x, const src_reg &y, const src_reg &a)
 {
@@ -1290,8 +1290,8 @@ vec4_visitor::emit_lrp(const dst_reg &dst,
       /* Note that the instruction's argument order is reversed from GLSL
        * and the IR.
        */
-      emit(LRP(dst,
-               fix_3src_operand(a), fix_3src_operand(y), fix_3src_operand(x)));
+     return emit(LRP(dst, fix_3src_operand(a), fix_3src_operand(y),
+                     fix_3src_operand(x)));
    } else {
       /* Earlier generations don't support three source operations, so we
        * need to emit x*(1-a) + y*a.
@@ -1306,7 +1306,7 @@ vec4_visitor::emit_lrp(const dst_reg &dst,
       emit(MUL(y_times_a, y, a));
       emit(ADD(one_minus_a, negate(a), src_reg(1.0f)));
       emit(MUL(x_times_one_minus_a, x, src_reg(one_minus_a)));
-      emit(ADD(dst, src_reg(x_times_one_minus_a), src_reg(y_times_a)));
+      return emit(ADD(dst, src_reg(x_times_one_minus_a), src_reg(y_times_a)));
    }
 }
 
-- 
2.1.4