diff options
Diffstat (limited to 'src/mesa/main/nvfragprog.h')
| -rw-r--r-- | src/mesa/main/nvfragprog.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/src/mesa/main/nvfragprog.h b/src/mesa/main/nvfragprog.h new file mode 100644 index 0000000..687ebb2 --- /dev/null +++ b/src/mesa/main/nvfragprog.h @@ -0,0 +1,149 @@ +/* $Id: nvfragprog.h,v 1.1 2003/01/14 04:55:46 brianp Exp $ */ + +/* + * 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 vertex program types and constants only used by files + * related to vertex programs. + */ + + +#ifndef NVFRAGPROG_H +#define NVFRAGPROG_H + +#include "config.h" + + +/* Location of register sets within the whole register file */ +#define FP_INPUT_REG_START 0 +#define FP_INPUT_REG_END (FP_INPUT_REG_START + MAX_NV_FRAGMENT_PROGRAM_INPUTS - 1) +#define FP_OUTPUT_REG_START (FP_INPUT_REG_END + 1) +#define FP_OUTPUT_REG_END (FP_OUTPUT_REG_START + MAX_NV_FRAGMENT_PROGRAM_OUTPUTS - 1) +#define FP_TEMP_REG_START (FP_OUTPUT_REG_END + 1) +#define FP_TEMP_REG_END (FP_TEMP_REG_START + MAX_NV_FRAGMENT_PROGRAM_TEMPS - 1) +#define FP_PROG_REG_START (FP_TEMP_REG_END + 1) +#define FP_PROG_REG_END (FP_PROG_REG_START + MAX_NV_FRAGMENT_PROGRAM_PARAMS - 1) +#define FP_DUMMY_REG_START (FP_PROG_REG_END + 1) +#define FP_DUMMY_REG_END (FP_DUMMY_REG_START + MAX_NV_FRAGMENT_PROGRAM_WRITE_ONLYS - 1) + + + +#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 */ + + +enum fp_opcode { + FP_OPCODE_ADD = 1000, + FP_OPCODE_COS, + FP_OPCODE_DDX, + FP_OPCODE_DDY, + FP_OPCODE_DP3, + FP_OPCODE_DP4, + 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, + FP_OPCODE_PK2US, + FP_OPCODE_PK4B, + FP_OPCODE_PK4UB, + FP_OPCODE_POW, + FP_OPCODE_RCP, + FP_OPCODE_RFL, + FP_OPCODE_RSQ, + FP_OPCODE_SEQ, + FP_OPCODE_SFL, + FP_OPCODE_SGE, + FP_OPCODE_SGT, + FP_OPCODE_SIN, + FP_OPCODE_SLE, + FP_OPCODE_SLT, + FP_OPCODE_SNE, + FP_OPCODE_STR, + FP_OPCODE_SUB, + FP_OPCODE_TEX, + FP_OPCODE_TXC, + FP_OPCODE_TXP, + FP_OPCODE_UP2H, + FP_OPCODE_UP2US, + FP_OPCODE_UP4B, + FP_OPCODE_UP4UB, + FP_OPCODE_X2D, + FP_OPCODE_END /* private opcode */ +}; + + +struct fp_src_register +{ + GLint RegType; /* constant, param, temp or attribute register */ + GLint Register; /* or the offset from the address register */ + 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 +{ + GLint Register; + GLboolean WriteMask[4]; + GLuint CondMask; + GLuint CondSwizzle[4]; +}; + + +struct fp_instruction +{ + enum fp_opcode Opcode; + struct fp_src_register SrcReg[3]; + struct fp_dst_register DstReg; + GLboolean Saturate; + GLboolean UpdateCondRegister; + GLuint Precision; /* SINGLE, HALF or FIXED */ + GLuint TexSrcUnit; /* texture unit for TEX, TXD, TXP instructions */ + GLenum TexSrcTarget; /* texture target for TEX, TXD, TXP instructions */ +}; + + + +#endif |