Moved from src/mesa/main

1 files changed, 160 insertions, 0 deletions

diff --git a/src/mesa/shader/nvfragprog.h b/src/mesa/shader/nvfragprog.h
new file mode 100644
index 0000000000..fa817d4b9c
--- /dev/null
+++ b/src/mesa/shader/nvfragprog.h
@@ -0,0 +1,160 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  5.1
+ *
+ * Copyright (C) 1999-2003  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.
+ */
+
+
+/* Private fragment program types and constants only used by files
+ * related to fragment programs.
+ *
+ * XXX TO-DO: Rename this file "fragprog.h" since it's not NV-specific.
+ */
+
+
+#ifndef NVFRAGPROG_H
+#define NVFRAGPROG_H
+
+#include "config.h"
+
+
+/* output registers */
+#define FRAG_OUTPUT_COLR  0
+#define FRAG_OUTPUT_COLH  1
+#define FRAG_OUTPUT_DEPR  2
+
+
+/* condition codes */
+#define COND_GT  1  /* greater than zero */
+#define COND_EQ  2  /* equal to zero */
+#define COND_LT  3  /* less than zero */
+#define COND_UN  4  /* unordered (NaN) */
+#define COND_GE  5  /* greater then or equal to zero */
+#define COND_LE  6  /* less then or equal to zero */
+#define COND_NE  7  /* not equal to zero */
+#define COND_TR  8  /* always true */
+#define COND_FL  9  /* always false */
+
+
+/* instruction precision */
+#define FLOAT32  0x1
+#define FLOAT16  0x2
+#define FIXED12  0x4
+
+
+/* Fragment program instruction opcodes */
+enum fp_opcode {
+   FP_OPCODE_ABS = 1000,     /* ARB_f_p only */
+   FP_OPCODE_ADD,
+   FP_OPCODE_CMP,            /* ARB_f_p only */
+   FP_OPCODE_COS,
+   FP_OPCODE_DDX,            /* NV_f_p only */
+   FP_OPCODE_DDY,            /* NV_f_p only */
+   FP_OPCODE_DP3,
+   FP_OPCODE_DP4,
+   FP_OPCODE_DPH,            /* ARB_f_p only */
+   FP_OPCODE_DST,
+   FP_OPCODE_EX2,
+   FP_OPCODE_FLR,
+   FP_OPCODE_FRC,
+   FP_OPCODE_KIL,
+   FP_OPCODE_LG2,
+   FP_OPCODE_LIT,
+   FP_OPCODE_LRP,
+   FP_OPCODE_MAD,
+   FP_OPCODE_MAX,
+   FP_OPCODE_MIN,
+   FP_OPCODE_MOV,
+   FP_OPCODE_MUL,
+   FP_OPCODE_PK2H,           /* NV_f_p only */
+   FP_OPCODE_PK2US,          /* NV_f_p only */
+   FP_OPCODE_PK4B,           /* NV_f_p only */
+   FP_OPCODE_PK4UB,          /* NV_f_p only */
+   FP_OPCODE_POW,
+   FP_OPCODE_RCP,
+   FP_OPCODE_RFL,            /* NV_f_p only */
+   FP_OPCODE_RSQ,
+   FP_OPCODE_SCS,            /* ARB_f_p only */
+   FP_OPCODE_SEQ,            /* NV_f_p only */
+   FP_OPCODE_SFL,            /* NV_f_p only */
+   FP_OPCODE_SGE,            /* NV_f_p only */
+   FP_OPCODE_SGT,            /* NV_f_p only */
+   FP_OPCODE_SIN,
+   FP_OPCODE_SLE,            /* NV_f_p only */
+   FP_OPCODE_SLT,
+   FP_OPCODE_SNE,            /* NV_f_p only */
+   FP_OPCODE_STR,            /* NV_f_p only */
+   FP_OPCODE_SUB,
+   FP_OPCODE_SWZ,            /* ARB_f_p only */
+   FP_OPCODE_TEX,
+   FP_OPCODE_TXB,            /* ARB_f_p only */
+   FP_OPCODE_TXD,            /* NV_f_p only */
+   FP_OPCODE_TXP,
+   FP_OPCODE_UP2H,           /* NV_f_p only */
+   FP_OPCODE_UP2US,          /* NV_f_p only */
+   FP_OPCODE_UP4B,           /* NV_f_p only */
+   FP_OPCODE_UP4UB,          /* NV_f_p only */
+   FP_OPCODE_X2D,            /* XPD in ARB_f_p */
+   FP_OPCODE_END /* private opcode */
+};
+
+
+/* Instruction source register */
+struct fp_src_register
+{
+   enum register_file File;
+   GLint Index;
+   GLuint Swizzle[4];
+   GLboolean NegateBase; /* negate before absolute value? */
+   GLboolean Abs;        /* take absolute value? */
+   GLboolean NegateAbs;  /* negate after absolute value? */
+};
+
+
+/* Instruction destination register */
+struct fp_dst_register
+{
+   enum register_file File;
+   GLint Index;
+   GLboolean WriteMask[4];
+   GLuint CondMask;
+   GLuint CondSwizzle[4];
+};
+
+
+/* Fragment program instruction */
+struct fp_instruction
+{
+   enum fp_opcode Opcode;
+   struct fp_src_register SrcReg[3];
+   struct fp_dst_register DstReg;
+   GLboolean Saturate;
+   GLboolean UpdateCondRegister;
+   GLubyte Precision;    /* FLOAT32, FLOAT16 or FIXED12 */
+   GLubyte TexSrcUnit;   /* texture unit for TEX, TXD, TXP instructions */
+   GLubyte TexSrcBit;    /* TEXTURE_1D,2D,3D,CUBE,RECT_BIT source target */
+#if FEATURE_MESA_program_debug
+   GLint StringPos;
+#endif
+};
+
+
+#endif