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authormarha <marha@users.sourceforge.net>2012-04-16 09:37:37 +0200
committermarha <marha@users.sourceforge.net>2012-04-16 09:43:48 +0200
commit00eae6f01bf11ec6a90dfc68e607b6a1a250a118 (patch)
treeb814d518076840b7433d02bc3b5957c1dd54de25 /mesalib/src/glsl/ir_builder.h
parenta50d2ee664302147942dd5ed6428f9bab9d4e76a (diff)
parentd6d3999ccb2cb72d55820770260172eccbbb68d7 (diff)
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Merge remote-tracking branch 'origin/released'
Conflicts: xorg-server/Xext/securitysrv.h xorg-server/glx/glxext.h xorg-server/glx/indirect_reqsize.c xorg-server/glx/indirect_size_get.c xorg-server/hw/xwin/winclip.c xorg-server/hw/xwin/winfont.c xorg-server/hw/xwin/winglobals.c xorg-server/hw/xwin/winglobals.h xorg-server/hw/xwin/winmonitors.h xorg-server/include/closestr.h xorg-server/include/pixmapstr.h xorg-server/include/servermd.h xorg-server/include/site.h xorg-server/include/windowstr.h xorg-server/include/xkbstr.h
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diff --git a/mesalib/src/glsl/ir_builder.h b/mesalib/src/glsl/ir_builder.h
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+/*
+ * Copyright © 2012 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.
+ */
+
+#include "ir.h"
+
+namespace ir_builder {
+
+/**
+ * This little class exists to let the helper expression generators
+ * take either an ir_rvalue * or an ir_variable * to be automatically
+ * dereferenced, while still providing compile-time type checking.
+ *
+ * You don't have to explicitly call the constructor -- C++ will see
+ * that you passed an ir_variable, and silently call the
+ * operand(ir_variable *var) constructor behind your back.
+ */
+class operand {
+public:
+ operand(ir_rvalue *val)
+ : val(val)
+ {
+ }
+
+ operand(ir_variable *var)
+ {
+ void *mem_ctx = ralloc_parent(var);
+ val = new(mem_ctx) ir_dereference_variable(var);
+ }
+
+ ir_rvalue *val;
+};
+
+/** Automatic generator for ir_dereference_variable on assignment LHS.
+ *
+ * \sa operand
+ */
+class deref {
+public:
+ deref(ir_dereference *val)
+ : val(val)
+ {
+ }
+
+ deref(ir_variable *var)
+ {
+ void *mem_ctx = ralloc_parent(var);
+ val = new(mem_ctx) ir_dereference_variable(var);
+ }
+
+
+ ir_dereference *val;
+};
+
+class ir_factory {
+public:
+ void emit(ir_instruction *ir);
+ ir_variable *make_temp(const glsl_type *type, const char *name);
+
+ exec_list *instructions;
+ void *mem_ctx;
+};
+
+ir_assignment *assign(deref lhs, operand rhs);
+ir_assignment *assign(deref lhs, operand rhs, int writemask);
+
+ir_expression *expr(ir_expression_operation op, operand a, operand b);
+ir_expression *add(operand a, operand b);
+ir_expression *sub(operand a, operand b);
+ir_expression *mul(operand a, operand b);
+ir_expression *dot(operand a, operand b);
+ir_expression *saturate(operand a);
+
+ir_swizzle *swizzle_xxxx(operand a);
+ir_swizzle *swizzle_yyyy(operand a);
+ir_swizzle *swizzle_zzzz(operand a);
+ir_swizzle *swizzle_wwww(operand a);
+ir_swizzle *swizzle_x(operand a);
+ir_swizzle *swizzle_y(operand a);
+ir_swizzle *swizzle_z(operand a);
+ir_swizzle *swizzle_w(operand a);
+ir_swizzle *swizzle_xy(operand a);
+ir_swizzle *swizzle_xyz(operand a);
+ir_swizzle *swizzle_xyzw(operand a);
+
+} /* namespace ir_builder */