glsl: Add support for ldexp.

v2: Drop frexp. Rebase on builtins rewrite.
Reviewed-by: Paul Berry <stereotype441@gmail.com>

3 files changed, 8 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp b/src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp
index b4c33e6..fb932d8 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp
@@ -404,6 +404,7 @@ ir_channel_expressions_visitor::visit_leave(ir_assignment *ir)
    case ir_unop_unpack_unorm_2x16:
    case ir_unop_unpack_unorm_4x8:
    case ir_unop_unpack_half_2x16:
+   case ir_binop_ldexp:
    case ir_binop_vector_extract:
    case ir_triop_vector_insert:
    case ir_quadop_bitfield_insert:
diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index 8b505a0..3d25fe3 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -501,6 +501,10 @@ fs_visitor::visit(ir_expression *ir)
       assert(!"not reached: should be handled by lower_vector_insert()");
       break;
 
+   case ir_binop_ldexp:
+      assert(!"not reached: should be handled by ldexp_to_arith()");
+      break;
+
    case ir_unop_sqrt:
       emit_math(SHADER_OPCODE_SQRT, this->result, op[0]);
       break;
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index 874e6e3..3ff6a61 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -1651,6 +1651,9 @@ vec4_visitor::visit(ir_expression *ir)
    case ir_binop_pack_half_2x16_split:
       assert(!"not reached: should not occur in vertex shader");
       break;
+   case ir_binop_ldexp:
+      assert(!"not reached: should be handled by ldexp_to_arith()");
+      break;
    }
 }