/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 6.5.3
*
- * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2007 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"),
/**
* \file prog_instruction.h
*
- * Private vertex program types and constants only used by files
- * related to vertex programs.
+ * Vertex/fragment program instruction datatypes and constants.
*
* \author Brian Paul
* \author Keith Whitwell
#define PROG_INSTRUCTION_H
-/* for GL_ARB_v_p and GL_ARB_f_p SWZ instruction */
+/**
+ * Swizzle indexes.
+ * Do not change!
+ */
+/*@{*/
#define SWIZZLE_X 0
#define SWIZZLE_Y 1
#define SWIZZLE_Z 2
#define SWIZZLE_W 3
-#define SWIZZLE_ZERO 4 /* keep these values together: KW */
-#define SWIZZLE_ONE 5 /* keep these values together: KW */
+#define SWIZZLE_ZERO 4 /**< For SWZ instruction only */
+#define SWIZZLE_ONE 5 /**< For SWZ instruction only */
+#define SWIZZLE_NIL 7 /**< used during shader code gen (undefined value) */
+/*@}*/
#define MAKE_SWIZZLE4(a,b,c,d) (((a)<<0) | ((b)<<3) | ((c)<<6) | ((d)<<9))
#define SWIZZLE_NOOP MAKE_SWIZZLE4(0,1,2,3)
#define GET_SWZ(swz, idx) (((swz) >> ((idx)*3)) & 0x7)
#define GET_BIT(msk, idx) (((msk) >> (idx)) & 0x1)
+#define SWIZZLE_XYZW MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W)
+#define SWIZZLE_XXXX MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_X)
+#define SWIZZLE_YYYY MAKE_SWIZZLE4(SWIZZLE_Y, SWIZZLE_Y, SWIZZLE_Y, SWIZZLE_Y)
+#define SWIZZLE_ZZZZ MAKE_SWIZZLE4(SWIZZLE_Z, SWIZZLE_Z, SWIZZLE_Z, SWIZZLE_Z)
+#define SWIZZLE_WWWW MAKE_SWIZZLE4(SWIZZLE_W, SWIZZLE_W, SWIZZLE_W, SWIZZLE_W)
+
+/**
+ * Writemask values, 1 bit per component.
+ */
+/*@{*/
#define WRITEMASK_X 0x1
#define WRITEMASK_Y 0x2
#define WRITEMASK_XY 0x3
#define WRITEMASK_XZW 0xd
#define WRITEMASK_YZW 0xe
#define WRITEMASK_XYZW 0xf
+/*@}*/
/**
- * Condition codes for GL_NV_fragment_program
+ * 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 */
+#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 */
/*@}*/
* \note changes to this opcode list must be reflected in t_vb_arbprogram.c
*/
typedef enum prog_opcode {
- /* ARB_vp ARB_fp NV_vp NV_fp */
- /*---------------------------------*/
- OPCODE_NOP = 0,
- OPCODE_ABS, /* X X 1.1 */
- OPCODE_ADD, /* X X X X */
- OPCODE_ARA, /* 2 */
- OPCODE_ARL, /* X X */
- OPCODE_ARL_NV, /* 2 */
- OPCODE_ARR, /* 2 */
- OPCODE_BRA, /* 2 */
- OPCODE_CAL, /* 2 2 */
- OPCODE_CMP, /* X */
- OPCODE_COS, /* X 2 X */
- OPCODE_DDX, /* X */
- OPCODE_DDY, /* X */
- OPCODE_DP3, /* X X X X */
- OPCODE_DP4, /* X X X X */
- OPCODE_DPH, /* X X 1.1 */
- OPCODE_DST, /* X X X X */
- OPCODE_ELSE,
- OPCODE_END, /* X X X X */
- OPCODE_ENDIF,
- OPCODE_EX2, /* X X 2 X */
- OPCODE_EXP, /* X X */
- OPCODE_FLR, /* X X 2 X */
- OPCODE_FRC, /* X X 2 X */
- OPCODE_IF,
- OPCODE_INT, /* */
- OPCODE_KIL, /* X */
- OPCODE_KIL_NV, /* X */
- OPCODE_LG2, /* X X 2 X */
- OPCODE_LIT, /* X X X X */
- OPCODE_LOG, /* X X */
- OPCODE_LRP, /* X X */
- OPCODE_MAD, /* X X X X */
- OPCODE_MAX, /* X X X X */
- OPCODE_MIN, /* X X X X */
- OPCODE_MOV, /* X X X X */
- OPCODE_MUL, /* X X X X */
- OPCODE_PK2H, /* X */
- OPCODE_PK2US, /* X */
- OPCODE_PK4B, /* X */
- OPCODE_PK4UB, /* X */
- OPCODE_POW, /* X X X */
- OPCODE_POPA, /* 3 */
- OPCODE_PRINT, /* X X */
- OPCODE_PUSHA, /* 3 */
- OPCODE_RCC, /* 1.1 */
- OPCODE_RCP, /* X X X X */
- OPCODE_RET, /* 2 2 */
- OPCODE_RFL, /* X X */
- OPCODE_RSQ, /* X X X X */
- OPCODE_SCS, /* X */
- OPCODE_SEQ, /* 2 X */
- OPCODE_SFL, /* 2 X */
- OPCODE_SGE, /* X X X X */
- OPCODE_SGT, /* 2 X */
- OPCODE_SIN, /* X 2 X */
- OPCODE_SLE, /* 2 X */
- OPCODE_SLT, /* X X X X */
- OPCODE_SNE, /* 2 X */
- OPCODE_SSG, /* 2 */
- OPCODE_STR, /* 2 X */
- OPCODE_SUB, /* X X 1.1 X */
- OPCODE_SWZ, /* X X */
- OPCODE_TEX, /* X 3 X */
- OPCODE_TXB, /* X 3 */
- OPCODE_TXD, /* X */
- OPCODE_TXL, /* 3 2 */
- OPCODE_TXP, /* X */
- OPCODE_TXP_NV, /* 3 X */
- OPCODE_UP2H, /* X */
- OPCODE_UP2US, /* X */
- OPCODE_UP4B, /* X */
- OPCODE_UP4UB, /* X */
- OPCODE_X2D, /* X */
- OPCODE_XPD, /* X X */
+ /* ARB_vp ARB_fp NV_vp NV_fp GLSL */
+ /*------------------------------------------*/
+ OPCODE_NOP = 0, /* X */
+ OPCODE_ABS, /* X X 1.1 X */
+ OPCODE_ADD, /* X X X X X */
+ OPCODE_ARA, /* 2 */
+ OPCODE_ARL, /* X X */
+ OPCODE_ARL_NV, /* 2 */
+ OPCODE_ARR, /* 2 */
+ OPCODE_BGNLOOP, /* opt */
+ OPCODE_BGNSUB, /* opt */
+ OPCODE_BRA, /* 2 X */
+ OPCODE_BRK, /* 2 opt */
+ OPCODE_CAL, /* 2 2 */
+ OPCODE_CMP, /* X */
+ OPCODE_CONT, /* opt */
+ OPCODE_COS, /* X 2 X X */
+ OPCODE_DDX, /* X X */
+ OPCODE_DDY, /* X X */
+ OPCODE_DP3, /* X X X X X */
+ OPCODE_DP4, /* X X X X X */
+ OPCODE_DPH, /* X X 1.1 */
+ OPCODE_DST, /* X X X X */
+ OPCODE_ELSE, /* X */
+ OPCODE_END, /* X X X X opt */
+ OPCODE_ENDIF, /* opt */
+ OPCODE_ENDLOOP, /* opt */
+ OPCODE_ENDSUB, /* opt */
+ OPCODE_EX2, /* X X 2 X X */
+ OPCODE_EXP, /* X X X */
+ OPCODE_FLR, /* X X 2 X X */
+ OPCODE_FRC, /* X X 2 X X */
+ OPCODE_IF, /* opt */
+ OPCODE_INT, /* X */
+ OPCODE_KIL, /* X */
+ OPCODE_KIL_NV, /* X X */
+ OPCODE_LG2, /* X X 2 X X */
+ OPCODE_LIT, /* X X X X */
+ OPCODE_LOG, /* X X X */
+ OPCODE_LRP, /* X X */
+ OPCODE_MAD, /* X X X X X */
+ OPCODE_MAX, /* X X X X X */
+ OPCODE_MIN, /* X X X X X */
+ OPCODE_MOV, /* X X X X X */
+ OPCODE_MUL, /* X X X X X */
+ OPCODE_NOISE1, /* X */
+ OPCODE_NOISE2, /* X */
+ OPCODE_NOISE3, /* X */
+ OPCODE_NOISE4, /* X */
+ OPCODE_PK2H, /* X */
+ OPCODE_PK2US, /* X */
+ OPCODE_PK4B, /* X */
+ OPCODE_PK4UB, /* X */
+ OPCODE_POW, /* X X X X */
+ OPCODE_POPA, /* 3 */
+ OPCODE_PRINT, /* X X */
+ OPCODE_PUSHA, /* 3 */
+ OPCODE_RCC, /* 1.1 */
+ OPCODE_RCP, /* X X X X X */
+ OPCODE_RET, /* 2 2 */
+ OPCODE_RFL, /* X X */
+ OPCODE_RSQ, /* X X X X X */
+ OPCODE_SCS, /* X */
+ OPCODE_SEQ, /* 2 X X */
+ OPCODE_SFL, /* 2 X */
+ OPCODE_SGE, /* X X X X X */
+ OPCODE_SGT, /* 2 X X */
+ OPCODE_SIN, /* X 2 X X */
+ OPCODE_SLE, /* 2 X X */
+ OPCODE_SLT, /* X X X X X */
+ OPCODE_SNE, /* 2 X X */
+ OPCODE_SSG, /* 2 */
+ OPCODE_STR, /* 2 X */
+ OPCODE_SUB, /* X X 1.1 X X */
+ OPCODE_SWZ, /* X X */
+ OPCODE_TEX, /* X 3 X X */
+ OPCODE_TXB, /* X 3 X */
+ OPCODE_TXD, /* X X */
+ OPCODE_TXL, /* 3 2 X */
+ OPCODE_TXP, /* X X */
+ OPCODE_TXP_NV, /* 3 X */
+ OPCODE_UP2H, /* X */
+ OPCODE_UP2US, /* X */
+ OPCODE_UP4B, /* X */
+ OPCODE_UP4UB, /* X */
+ OPCODE_X2D, /* X */
+ OPCODE_XPD, /* X X X */
MAX_OPCODE
} gl_inst_opcode;
/*@{*/
/**
* Takes one of the 9 possible condition values (EQ, FL, GT, GE, LE, LT,
- * NE, TR, or UN). Destination update is enabled if the matching
+ * NE, TR, or UN). Dest reg is only written to if the matching
* (swizzled) condition code value passes. When a conditional update mask
* is not specified, this will be \c COND_TR.
*/
/**
* For BRA and CAL instructions, the location to jump to.
+ * For BGNLOOP, points to ENDLOOP (and vice-versa).
+ * For BRK, points to BGNLOOP (which points to ENDLOOP).
+ * For IF, points to else or endif.
+ * For ELSE, points to endif.
*/
- GLuint BranchTarget;
+ GLint BranchTarget;
/**
* For TEX instructions in shaders, the sampler to use for the
_mesa_realloc_instructions(struct prog_instruction *oldInst,
GLuint numOldInst, GLuint numNewInst);
+extern struct prog_instruction *
+_mesa_copy_instructions(struct prog_instruction *dest,
+ const struct prog_instruction *src, GLuint n);
+
extern GLuint
_mesa_num_inst_src_regs(gl_inst_opcode opcode);
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