libX11 libXinerama mesa git update 1 Feb 2011

1 files changed, 99 insertions, 99 deletions

diff --git a/mesalib/src/glsl/lower_texture_projection.cpp b/mesalib/src/glsl/lower_texture_projection.cpp
index 7d4f647e9..6e3aaecce 100644
--- a/mesalib/src/glsl/lower_texture_projection.cpp
+++ b/mesalib/src/glsl/lower_texture_projection.cpp
@@ -1,99 +1,99 @@
-/*

- * 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 lower_texture_projection.cpp

- *

- * IR lower pass to perform the division of texture coordinates by the texture

- * projector if present.

- *

- * Many GPUs have a texture sampling opcode that takes the projector

- * and does the divide internally, thus the presence of the projector

- * in the IR.  For GPUs that don't, this saves the driver needing the

- * logic for handling the divide.

- *

- * \author Eric Anholt <eric@anholt.net>

- */

-

-#include "ir.h"

-

-class lower_texture_projection_visitor : public ir_hierarchical_visitor {

-public:

-   lower_texture_projection_visitor()

-   {

-      progress = false;

-   }

-

-   ir_visitor_status visit_leave(ir_texture *ir);

-

-   bool progress;

-};

-

-ir_visitor_status

-lower_texture_projection_visitor::visit_leave(ir_texture *ir)

-{

-   if (!ir->projector)

-      return visit_continue;

-

-   void *mem_ctx = talloc_parent(ir);

-

-   ir_variable *var = new(mem_ctx) ir_variable(ir->projector->type,

-					       "projector", ir_var_auto);

-   base_ir->insert_before(var);

-   ir_dereference *deref = new(mem_ctx) ir_dereference_variable(var);

-   ir_expression *expr = new(mem_ctx) ir_expression(ir_unop_rcp,

-						    ir->projector->type,

-						    ir->projector,

-						    NULL);

-   ir_assignment *assign = new(mem_ctx) ir_assignment(deref, expr, NULL);

-   base_ir->insert_before(assign);

-

-   deref = new(mem_ctx) ir_dereference_variable(var);

-   ir->coordinate = new(mem_ctx) ir_expression(ir_binop_mul,

-					       ir->coordinate->type,

-					       ir->coordinate,

-					       deref);

-

-   if (ir->shadow_comparitor) {

-      deref = new(mem_ctx) ir_dereference_variable(var);

-      ir->shadow_comparitor = new(mem_ctx) ir_expression(ir_binop_mul,

-						  ir->shadow_comparitor->type,

-						  ir->shadow_comparitor,

-						  deref);

-   }

-

-   ir->projector = NULL;

-

-   progress = true;

-   return visit_continue;

-}

-

-bool

-do_lower_texture_projection(exec_list *instructions)

-{

-   lower_texture_projection_visitor v;

-

-   visit_list_elements(&v, 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 lower_texture_projection.cpp
+ *
+ * IR lower pass to perform the division of texture coordinates by the texture
+ * projector if present.
+ *
+ * Many GPUs have a texture sampling opcode that takes the projector
+ * and does the divide internally, thus the presence of the projector
+ * in the IR.  For GPUs that don't, this saves the driver needing the
+ * logic for handling the divide.
+ *
+ * \author Eric Anholt <eric@anholt.net>
+ */
+
+#include "ir.h"
+
+class lower_texture_projection_visitor : public ir_hierarchical_visitor {
+public:
+   lower_texture_projection_visitor()
+   {
+      progress = false;
+   }
+
+   ir_visitor_status visit_leave(ir_texture *ir);
+
+   bool progress;
+};
+
+ir_visitor_status
+lower_texture_projection_visitor::visit_leave(ir_texture *ir)
+{
+   if (!ir->projector)
+      return visit_continue;
+
+   void *mem_ctx = ralloc_parent(ir);
+
+   ir_variable *var = new(mem_ctx) ir_variable(ir->projector->type,
+					       "projector", ir_var_auto);
+   base_ir->insert_before(var);
+   ir_dereference *deref = new(mem_ctx) ir_dereference_variable(var);
+   ir_expression *expr = new(mem_ctx) ir_expression(ir_unop_rcp,
+						    ir->projector->type,
+						    ir->projector,
+						    NULL);
+   ir_assignment *assign = new(mem_ctx) ir_assignment(deref, expr, NULL);
+   base_ir->insert_before(assign);
+
+   deref = new(mem_ctx) ir_dereference_variable(var);
+   ir->coordinate = new(mem_ctx) ir_expression(ir_binop_mul,
+					       ir->coordinate->type,
+					       ir->coordinate,
+					       deref);
+
+   if (ir->shadow_comparitor) {
+      deref = new(mem_ctx) ir_dereference_variable(var);
+      ir->shadow_comparitor = new(mem_ctx) ir_expression(ir_binop_mul,
+						  ir->shadow_comparitor->type,
+						  ir->shadow_comparitor,
+						  deref);
+   }
+
+   ir->projector = NULL;
+
+   progress = true;
+   return visit_continue;
+}
+
+bool
+do_lower_texture_projection(exec_list *instructions)
+{
+   lower_texture_projection_visitor v;
+
+   visit_list_elements(&v, instructions);
+
+   return v.progress;
+}