svn merge ^/branches/released .

1 files changed, 95 insertions, 93 deletions

diff --git a/mesalib/src/glsl/opt_swizzle_swizzle.cpp b/mesalib/src/glsl/opt_swizzle_swizzle.cpp
index e23655240..8d0e1051d 100644
--- a/mesalib/src/glsl/opt_swizzle_swizzle.cpp
+++ b/mesalib/src/glsl/opt_swizzle_swizzle.cpp
@@ -1,93 +1,95 @@
-/*

- * 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.

- */

-

-/**

- * \file opt_swizzle_swizzle.cpp

- *

- * Eliminates the second swizzle in a swizzle chain.

- */

-

-#include "ir.h"

-#include "ir_visitor.h"

-#include "ir_optimization.h"

-#include "glsl_types.h"

-

-class ir_swizzle_swizzle_visitor : public ir_hierarchical_visitor {

-public:

-   ir_swizzle_swizzle_visitor()

-   {

-      progress = false;

-   }

-

-   virtual ir_visitor_status visit_enter(ir_swizzle *);

-

-   bool progress;

-};

-

-ir_visitor_status

-ir_swizzle_swizzle_visitor::visit_enter(ir_swizzle *ir)

-{

-   int mask2[4];

-

-   ir_swizzle *swiz2 = ir->val->as_swizzle();

-   if (!swiz2)

-      return visit_continue;

-

-   memset(&mask2, 0, sizeof(mask2));

-   if (swiz2->mask.num_components >= 1)

-      mask2[0] = swiz2->mask.x;

-   if (swiz2->mask.num_components >= 2)

-      mask2[1] = swiz2->mask.y;

-   if (swiz2->mask.num_components >= 3)

-      mask2[2] = swiz2->mask.z;

-   if (swiz2->mask.num_components >= 4)

-      mask2[3] = swiz2->mask.w;

-

-   if (ir->mask.num_components >= 1)

-      ir->mask.x = mask2[ir->mask.x];

-   if (ir->mask.num_components >= 2)

-      ir->mask.y = mask2[ir->mask.y];

-   if (ir->mask.num_components >= 3)

-      ir->mask.z = mask2[ir->mask.z];

-   if (ir->mask.num_components >= 4)

-      ir->mask.w = mask2[ir->mask.w];

-

-   ir->val = swiz2->val;

-

-   this->progress = true;

-

-   return visit_continue;

-}

-

-/**

- * Does a copy propagation pass on the code present in the instruction stream.

- */

-bool

-do_swizzle_swizzle(exec_list *instructions)

-{

-   ir_swizzle_swizzle_visitor v;

-

-   v.run(instructions);

-

-   return v.progress;

-}

+/*
+ * 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.
+ */
+
+/**
+ * \file opt_swizzle_swizzle.cpp
+ *
+ * Eliminates the second swizzle in a swizzle chain.
+ */
+
+#include "ir.h"
+#include "ir_visitor.h"
+#include "ir_optimization.h"
+#include "glsl_types.h"
+
+using std::memset;
+
+class ir_swizzle_swizzle_visitor : public ir_hierarchical_visitor {
+public:
+   ir_swizzle_swizzle_visitor()
+   {
+      progress = false;
+   }
+
+   virtual ir_visitor_status visit_enter(ir_swizzle *);
+
+   bool progress;
+};
+
+ir_visitor_status
+ir_swizzle_swizzle_visitor::visit_enter(ir_swizzle *ir)
+{
+   int mask2[4];
+
+   ir_swizzle *swiz2 = ir->val->as_swizzle();
+   if (!swiz2)
+      return visit_continue;
+
+   memset(&mask2, 0, sizeof(mask2));
+   if (swiz2->mask.num_components >= 1)
+      mask2[0] = swiz2->mask.x;
+   if (swiz2->mask.num_components >= 2)
+      mask2[1] = swiz2->mask.y;
+   if (swiz2->mask.num_components >= 3)
+      mask2[2] = swiz2->mask.z;
+   if (swiz2->mask.num_components >= 4)
+      mask2[3] = swiz2->mask.w;
+
+   if (ir->mask.num_components >= 1)
+      ir->mask.x = mask2[ir->mask.x];
+   if (ir->mask.num_components >= 2)
+      ir->mask.y = mask2[ir->mask.y];
+   if (ir->mask.num_components >= 3)
+      ir->mask.z = mask2[ir->mask.z];
+   if (ir->mask.num_components >= 4)
+      ir->mask.w = mask2[ir->mask.w];
+
+   ir->val = swiz2->val;
+
+   this->progress = true;
+
+   return visit_continue;
+}
+
+/**
+ * Does a copy propagation pass on the code present in the instruction stream.
+ */
+bool
+do_swizzle_swizzle(exec_list *instructions)
+{
+   ir_swizzle_swizzle_visitor v;
+
+   v.run(instructions);
+
+   return v.progress;
+}