Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 207 insertions, 0 deletions

diff --git a/nx-X11/extras/Mesa/src/mesa/shader/arbvertparse.c b/nx-X11/extras/Mesa/src/mesa/shader/arbvertparse.c
new file mode 100644
index 000000000..5d1ad3de2
--- /dev/null
+++ b/nx-X11/extras/Mesa/src/mesa/shader/arbvertparse.c
@@ -0,0 +1,207 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.2
+ *
+ * Copyright (C) 1999-2004  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.
+ */
+
+#define DEBUG_VP 0
+
+/**
+ * \file arbvertparse.c
+ * ARB_vertex_program parser.
+ * \author Karl Rasche
+ */
+
+#include "glheader.h"
+#include "context.h"
+#include "arbvertparse.h"
+#include "hash.h"
+#include "imports.h"
+#include "macros.h"
+#include "mtypes.h"
+#include "program.h"
+#include "nvprogram.h"
+#include "nvvertparse.h"
+#include "nvvertprog.h"
+
+#include "arbprogparse.h"
+
+
+/**
+ * XXX this is probably redundant.  We've already got code like this
+ * in the nvvertparse.c file.  Combine/clean-up someday.
+ */
+void _mesa_debug_vp_inst(GLint num, struct vp_instruction *vp)
+{
+   GLint a;
+   static const char *opcode_string[] = {
+      "ABS",
+      "ADD",
+      "ARL",
+      "DP3",
+      "DP4",
+      "DPH",
+      "DST",
+      "END",		/* Placeholder */
+      "EX2",		/* ARB only */
+      "EXP",
+      "FLR",		/* ARB */
+      "FRC",		/* ARB */
+      "LG2",		/* ARB only */
+      "LIT",
+      "LOG",
+      "MAD",
+      "MAX",
+      "MIN",
+      "MOV",
+      "MUL",
+      "POW",		/* ARB only */
+      "PRINT",		/* Mesa only */
+      "RCC",
+      "RCP",
+      "RSQ",
+      "SGE",
+      "SLT",
+      "SUB",
+      "SWZ",		/* ARB only */
+      "XPD"		/* ARB only */
+   };
+
+   static const char *file_string[] = {
+      "TEMP",
+      "INPUT",
+      "OUTPUT",
+      "LOCAL",
+      "ENV",
+      "NAMED",
+      "STATE",
+      "WRITE_ONLY",
+      "ADDR"
+   };
+
+   static const char swz[] = "xyzw01??";
+
+   for (a=0; a<num; a++) {
+      _mesa_printf("%s", opcode_string[vp[a].Opcode]);
+
+      if (vp[a].DstReg.File != 0xf) {
+	 if (vp[a].DstReg.WriteMask != 0xf)
+	    _mesa_printf(" %s[%d].%s%s%s%s ", file_string[vp[a].DstReg.File], vp[a].DstReg.Index,
+			 GET_BIT(vp[a].DstReg.WriteMask, 0) ? "x" : "",
+			 GET_BIT(vp[a].DstReg.WriteMask, 1) ? "y" : "",
+			 GET_BIT(vp[a].DstReg.WriteMask, 2) ? "z" : "",
+			 GET_BIT(vp[a].DstReg.WriteMask, 3) ? "w" : "");
+	 else
+	    _mesa_printf(" %s[%d] ", file_string[vp[a].DstReg.File], vp[a].DstReg.Index);
+      }
+
+      if (vp[a].SrcReg[0].File != 0xf) {
+	 if (vp[a].SrcReg[0].Swizzle != SWIZZLE_NOOP ||
+	     vp[a].SrcReg[0].Negate)
+	    _mesa_printf("%s[%d].%s%c%c%c%c ", file_string[vp[a].SrcReg[0].File], vp[a].SrcReg[0].Index,
+			 vp[a].SrcReg[0].Negate ? "-" : "",
+			 swz[GET_SWZ(vp[a].SrcReg[0].Swizzle, 0)],
+			 swz[GET_SWZ(vp[a].SrcReg[0].Swizzle, 1)],
+			 swz[GET_SWZ(vp[a].SrcReg[0].Swizzle, 2)],
+			 swz[GET_SWZ(vp[a].SrcReg[0].Swizzle, 3)]);
+	 else
+	    _mesa_printf("%s[%d] ", file_string[vp[a].SrcReg[0].File], vp[a].SrcReg[0].Index);
+      }
+
+      if (vp[a].SrcReg[1].File != 0xf) {
+	 if (vp[a].SrcReg[1].Swizzle != SWIZZLE_NOOP ||
+	     vp[a].SrcReg[1].Negate)
+	    _mesa_printf("%s[%d].%s%c%c%c%c ", file_string[vp[a].SrcReg[1].File], vp[a].SrcReg[1].Index,
+			 vp[a].SrcReg[1].Negate ? "-" : "",
+			 swz[GET_SWZ(vp[a].SrcReg[1].Swizzle, 0)],
+			 swz[GET_SWZ(vp[a].SrcReg[1].Swizzle, 1)],
+			 swz[GET_SWZ(vp[a].SrcReg[1].Swizzle, 2)],
+			 swz[GET_SWZ(vp[a].SrcReg[1].Swizzle, 3)]);
+	 else
+	    _mesa_printf("%s[%d] ", file_string[vp[a].SrcReg[1].File], vp[a].SrcReg[1].Index);
+      }
+
+      if (vp[a].SrcReg[2].File != 0xf) {
+	 if (vp[a].SrcReg[2].Swizzle != SWIZZLE_NOOP ||
+	     vp[a].SrcReg[2].Negate)
+	    _mesa_printf("%s[%d].%s%c%c%c%c ", file_string[vp[a].SrcReg[2].File], vp[a].SrcReg[2].Index,
+			 vp[a].SrcReg[2].Negate ? "-" : "",
+			 swz[GET_SWZ(vp[a].SrcReg[2].Swizzle, 0)],
+			 swz[GET_SWZ(vp[a].SrcReg[2].Swizzle, 1)],
+			 swz[GET_SWZ(vp[a].SrcReg[2].Swizzle, 2)],
+			 swz[GET_SWZ(vp[a].SrcReg[2].Swizzle, 3)]);
+	 else
+	    _mesa_printf("%s[%d] ", file_string[vp[a].SrcReg[2].File], vp[a].SrcReg[2].Index);
+      }
+
+      _mesa_printf("\n");
+   }
+}
+
+
+/**
+ * Parse the vertex program string.  If success, update the given
+ * vertex_program object with the new program.  Else, leave the vertex_program
+ * object unchanged.
+ */
+void
+_mesa_parse_arb_vertex_program(GLcontext * ctx, GLenum target,
+			       const GLubyte * str, GLsizei len,
+			       struct vertex_program *program)
+{
+   struct arb_program ap;
+   (void) target;
+
+   /* set the program target before parsing */
+   ap.Base.Target = GL_VERTEX_PROGRAM_ARB;
+
+   if (!_mesa_parse_arb_program(ctx, str, len, &ap)) {
+      /* Error in the program. Just return. */
+      return;
+   }
+
+   /* Copy the relevant contents of the arb_program struct into the 
+    * vertex_program struct.
+    */
+   program->Base.String          = ap.Base.String;
+   program->Base.NumInstructions = ap.Base.NumInstructions;
+   program->Base.NumTemporaries  = ap.Base.NumTemporaries;
+   program->Base.NumParameters   = ap.Base.NumParameters;
+   program->Base.NumAttributes   = ap.Base.NumAttributes;
+   program->Base.NumAddressRegs  = ap.Base.NumAddressRegs;
+
+   program->IsPositionInvariant = ap.HintPositionInvariant;
+   program->InputsRead     = ap.InputsRead;
+   program->OutputsWritten = ap.OutputsWritten;
+
+   if (program->Parameters) {
+      /* free previous program's parameters */
+      _mesa_free_parameter_list(program->Parameters);
+   }
+   program->Parameters     = ap.Parameters; 
+
+   program->Instructions   = ap.VPInstructions;
+
+#if DEBUG_VP
+   _mesa_debug_vp_inst(ap.Base.NumInstructions, ap.VPInstructions);
+#endif
+
+}