i965: Move a couple of GLSL IR -> BRW helper functions to brw_shader.cpp.

These will be used by the VS backend as well.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

src/mesa/drivers/dri/i965/brw_fs.cpp

@@ -41,6 +41,7 @@ extern "C" {
 #include "brw_eu.h"
 #include "brw_wm.h"
 }
+#include "brw_shader.h"
 #include "brw_fs.h"
 #include "../glsl/glsl_types.h"
 #include "../glsl/ir_print_visitor.h"
@@ -198,31 +199,6 @@ fs_reg::fs_reg(enum register_file file, int hw_reg, uint32_t type)
    this->type = type;
 }
 
-int
-brw_type_for_base_type(const struct glsl_type *type)
-{
-   switch (type->base_type) {
-   case GLSL_TYPE_FLOAT:
-      return BRW_REGISTER_TYPE_F;
-   case GLSL_TYPE_INT:
-   case GLSL_TYPE_BOOL:
-      return BRW_REGISTER_TYPE_D;
-   case GLSL_TYPE_UINT:
-      return BRW_REGISTER_TYPE_UD;
-   case GLSL_TYPE_ARRAY:
-   case GLSL_TYPE_STRUCT:
-   case GLSL_TYPE_SAMPLER:
-      /* These should be overridden with the type of the member when
-       * dereferenced into.  BRW_REGISTER_TYPE_UD seems like a likely
-       * way to trip up if we don't.
-       */
-      return BRW_REGISTER_TYPE_UD;
-   default:
-      assert(!"not reached");
-      return BRW_REGISTER_TYPE_F;
-   }
-}
-
 /** Automatic reg constructor. */
 fs_reg::fs_reg(class fs_visitor *v, const struct glsl_type *type)
 {
@@ -730,30 +706,6 @@ fs_visitor::try_emit_saturate(ir_expression *ir)
    return true;
 }
 
-static uint32_t
-brw_conditional_for_comparison(unsigned int op)
-{
-   switch (op) {
-   case ir_binop_less:
-      return BRW_CONDITIONAL_L;
-   case ir_binop_greater:
-      return BRW_CONDITIONAL_G;
-   case ir_binop_lequal:
-      return BRW_CONDITIONAL_LE;
-   case ir_binop_gequal:
-      return BRW_CONDITIONAL_GE;
-   case ir_binop_equal:
-   case ir_binop_all_equal: /* same as equal for scalars */
-      return BRW_CONDITIONAL_Z;
-   case ir_binop_nequal:
-   case ir_binop_any_nequal: /* same as nequal for scalars */
-      return BRW_CONDITIONAL_NZ;
-   default:
-      assert(!"not reached: bad operation for comparison");
-      return BRW_CONDITIONAL_NZ;
-   }
-}
-
 void
 fs_visitor::visit(ir_expression *ir)
 {

src/mesa/drivers/dri/i965/brw_shader.cpp

@@ -125,3 +125,53 @@ brw_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
 
    return GL_TRUE;
 }
+
+
+int
+brw_type_for_base_type(const struct glsl_type *type)
+{
+   switch (type->base_type) {
+   case GLSL_TYPE_FLOAT:
+      return BRW_REGISTER_TYPE_F;
+   case GLSL_TYPE_INT:
+   case GLSL_TYPE_BOOL:
+      return BRW_REGISTER_TYPE_D;
+   case GLSL_TYPE_UINT:
+      return BRW_REGISTER_TYPE_UD;
+   case GLSL_TYPE_ARRAY:
+   case GLSL_TYPE_STRUCT:
+   case GLSL_TYPE_SAMPLER:
+      /* These should be overridden with the type of the member when
+       * dereferenced into.  BRW_REGISTER_TYPE_UD seems like a likely
+       * way to trip up if we don't.
+       */
+      return BRW_REGISTER_TYPE_UD;
+   default:
+      assert(!"not reached");
+      return BRW_REGISTER_TYPE_F;
+   }
+}
+
+uint32_t
+brw_conditional_for_comparison(unsigned int op)
+{
+   switch (op) {
+   case ir_binop_less:
+      return BRW_CONDITIONAL_L;
+   case ir_binop_greater:
+      return BRW_CONDITIONAL_G;
+   case ir_binop_lequal:
+      return BRW_CONDITIONAL_LE;
+   case ir_binop_gequal:
+      return BRW_CONDITIONAL_GE;
+   case ir_binop_equal:
+   case ir_binop_all_equal: /* same as equal for scalars */
+      return BRW_CONDITIONAL_Z;
+   case ir_binop_nequal:
+   case ir_binop_any_nequal: /* same as nequal for scalars */
+      return BRW_CONDITIONAL_NZ;
+   default:
+      assert(!"not reached: bad operation for comparison");
+      return BRW_CONDITIONAL_NZ;
+   }
+}

src/mesa/drivers/dri/i965/brw_shader.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+int brw_type_for_base_type(const struct glsl_type *type);
+uint32_t brw_conditional_for_comparison(unsigned int op);