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Diffstat (limited to 'src/mesa/shader/nvfragprog.h')
| -rw-r--r-- | src/mesa/shader/nvfragprog.h | 160 |
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 00000000000..fa817d4b9cc --- /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 |