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authorBrian <brian@yutani.localnet.net>2006-12-14 15:01:06 -0700
committerBrian <brian@yutani.localnet.net>2006-12-14 15:01:06 -0700
commit00cdc0a472c55330cbc58317f01b07f8f90be5a5 (patch)
treef6e72e35f23f6595492e1a8c5c249b80b97ae37e /src/mesa/shader/prog_instruction.c
parent200736ebd8c82b03b781a6c6481d05deb1f0c8bf (diff)
Split the program.[ch] files into several new files.
Diffstat (limited to 'src/mesa/shader/prog_instruction.c')
-rw-r--r--src/mesa/shader/prog_instruction.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/src/mesa/shader/prog_instruction.c b/src/mesa/shader/prog_instruction.c
new file mode 100644
index 0000000000..f4dae76de0
--- /dev/null
+++ b/src/mesa/shader/prog_instruction.c
@@ -0,0 +1,99 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.3
+ *
+ * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ *
+ * 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 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
+ * BRIAN PAUL 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 "glheader.h"
+#include "imports.h"
+#include "mtypes.h"
+#include "prog_instruction.h"
+
+
+/**
+ * Initialize program instruction fields to defaults.
+ * \param inst first instruction to initialize
+ * \param count number of instructions to initialize
+ */
+void
+_mesa_init_instructions(struct prog_instruction *inst, GLuint count)
+{
+ GLuint i;
+
+ _mesa_bzero(inst, count * sizeof(struct prog_instruction));
+
+ for (i = 0; i < count; i++) {
+ inst[i].SrcReg[0].File = PROGRAM_UNDEFINED;
+ inst[i].SrcReg[0].Swizzle = SWIZZLE_NOOP;
+ inst[i].SrcReg[1].File = PROGRAM_UNDEFINED;
+ inst[i].SrcReg[1].Swizzle = SWIZZLE_NOOP;
+ inst[i].SrcReg[2].File = PROGRAM_UNDEFINED;
+ inst[i].SrcReg[2].Swizzle = SWIZZLE_NOOP;
+
+ inst[i].DstReg.File = PROGRAM_UNDEFINED;
+ inst[i].DstReg.WriteMask = WRITEMASK_XYZW;
+ inst[i].DstReg.CondMask = COND_TR;
+ inst[i].DstReg.CondSwizzle = SWIZZLE_NOOP;
+
+ inst[i].SaturateMode = SATURATE_OFF;
+ inst[i].Precision = FLOAT32;
+ }
+}
+
+
+/**
+ * Allocate an array of program instructions.
+ * \param numInst number of instructions
+ * \return pointer to instruction memory
+ */
+struct prog_instruction *
+_mesa_alloc_instructions(GLuint numInst)
+{
+ return (struct prog_instruction *)
+ _mesa_calloc(numInst * sizeof(struct prog_instruction));
+}
+
+
+/**
+ * Reallocate memory storing an array of program instructions.
+ * This is used when we need to append additional instructions onto an
+ * program.
+ * \param oldInst pointer to first of old/src instructions
+ * \param numOldInst number of instructions at <oldInst>
+ * \param numNewInst desired size of new instruction array.
+ * \return pointer to start of new instruction array.
+ */
+struct prog_instruction *
+_mesa_realloc_instructions(struct prog_instruction *oldInst,
+ GLuint numOldInst, GLuint numNewInst)
+{
+ struct prog_instruction *newInst;
+
+ newInst = (struct prog_instruction *)
+ _mesa_realloc(oldInst,
+ numOldInst * sizeof(struct prog_instruction),
+ numNewInst * sizeof(struct prog_instruction));
+
+ return newInst;
+}
+
+