/*
* Mesa 3-D graphics library
- * Version: 6.5.3
+ * Version: 7.3
*
- * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2008 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"),
#define PROG_INSTRUCTION_H
+#include "main/mfeatures.h"
+
+
/**
* Swizzle indexes.
* Do not change!
#define NEGATE_Y 0x2
#define NEGATE_Z 0x4
#define NEGATE_W 0x8
+#define NEGATE_XYZ 0x7
#define NEGATE_XYZW 0xf
#define NEGATE_NONE 0x0
/*@}*/
OPCODE_NOP = 0, /* X */
OPCODE_ABS, /* X X 1.1 X */
OPCODE_ADD, /* X X X X X */
+ OPCODE_AND, /* */
OPCODE_ARA, /* 2 */
OPCODE_ARL, /* X X */
OPCODE_ARL_NV, /* 2 */
OPCODE_COS, /* X 2 X X */
OPCODE_DDX, /* X X */
OPCODE_DDY, /* X X */
+ OPCODE_DP2, /* 2 */
+ OPCODE_DP2A, /* 2 */
OPCODE_DP3, /* X X X X X */
OPCODE_DP4, /* X X X X X */
OPCODE_DPH, /* X X 1.1 */
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_NOISE2, /* X */
OPCODE_NOISE3, /* X */
OPCODE_NOISE4, /* X */
+ OPCODE_NOT, /* */
+ OPCODE_NRM3, /* */
+ OPCODE_NRM4, /* */
+ OPCODE_OR, /* */
OPCODE_PK2H, /* X */
OPCODE_PK2US, /* X */
OPCODE_PK4B, /* X */
OPCODE_TXL, /* 3 2 X */
OPCODE_TXP, /* X X */
OPCODE_TXP_NV, /* 3 X */
+ OPCODE_TRUNC, /* X */
OPCODE_UP2H, /* X */
OPCODE_UP2US, /* X */
OPCODE_UP4B, /* X */
OPCODE_UP4UB, /* X */
OPCODE_X2D, /* X */
+ OPCODE_XOR, /* */
OPCODE_XPD, /* X X X */
MAX_OPCODE
} gl_inst_opcode;
+/**
+ * Number of bits for the src/dst register Index field.
+ * This limits the size of temp/uniform register files.
+ */
+#define INST_INDEX_BITS 10
+
+
/**
* Instruction source register.
*/
struct prog_src_register
{
GLuint File:4; /**< One of the PROGRAM_* register file values. */
- GLint Index:9; /**< May be negative for relative addressing. */
+ GLint Index:(INST_INDEX_BITS+1); /**< Extra bit here for sign bit.
+ * May be negative for relative addressing.
+ */
GLuint Swizzle:12;
GLuint RelAddr:1;
- /**
- * \name Source register "sign" control.
- *
- * The ARB and NV extensions allow varrying degrees of control over the
- * sign of the source vector components. These values allow enough control
- * for all flavors of the extensions.
- */
- /*@{*/
- /**
- * Per-component negation for the SWZ instruction. For non-SWZ
- * instructions the only possible values are NEGATE_XYZW and NEGATE_NONE.
- *
- * \since
- * ARB_vertex_program, ARB_fragment_program
- */
- GLuint NegateBase:4;
-
- /**
- * Take the component-wise absolute value.
- *
- * \since
- * NV_fragment_program, NV_fragment_program_option, NV_vertex_program2,
- * NV_vertex_program2_option.
- */
+ /** Take the component-wise absolute value */
GLuint Abs:1;
/**
- * Post-absolute value negation (all components).
+ * Post-Abs negation.
+ * This will either be NEGATE_NONE or NEGATE_XYZW, except for the SWZ
+ * instruction which allows per-component negation.
*/
- GLuint NegateAbs:1;
- /*@}*/
+ GLuint Negate:4;
};
*/
struct prog_dst_register
{
- /**
- * One of the PROGRAM_* register file values.
- */
- GLuint File:4;
-
- GLuint Index:8;
+ GLuint File:4; /**< One of the PROGRAM_* register file values */
+ GLuint Index:INST_INDEX_BITS; /**< Unsigned, never negative */
GLuint WriteMask:4;
+ GLuint RelAddr:1;
/**
* \name Conditional destination update control.
* Condition code swizzle value.
*/
GLuint CondSwizzle:12;
-
+
/**
* Selects the condition code register to use for conditional destination
* update masking. In NV_fragmnet_program or NV_vertex_program2 mode, only
- * condition code register 0 is available. In NV_vertex_program3 mode,
+ * condition code register 0 is available. In NV_vertex_program3 mode,
* condition code registers 0 and 1 are available.
*/
GLuint CondSrc:1;
/*@}*/
-
- GLuint pad:31;
+ GLuint pad:28;
};
struct prog_instruction
{
gl_inst_opcode Opcode;
-#if FEATURE_MESA_program_debug
- GLshort StringPos;
-#endif
- /**
- * Arbitrary data. Used for the PRINT, CAL, and BRA instructions.
- */
- void *Data;
-
struct prog_src_register SrcReg[3];
struct prog_dst_register DstReg;
* NV_fragment_program, NV_fragment_program_option, NV_vertex_program3.
*/
GLuint SaturateMode:2;
-
+
/**
- * Per-instruction selectable precision.
+ * Per-instruction selectable precision: FLOAT32, FLOAT16, FIXED12.
*
* \since
* NV_fragment_program, NV_fragment_program_option.
GLuint Precision:3;
/**
- * \name Texture source controls.
- *
- * The texture source controls are only used with the \c TEX, \c TXD,
- * \c TXL, and \c TXP instructions.
- *
- * \since
- * ARB_fragment_program, NV_fragment_program, NV_vertex_program3.
+ * \name Extra fields for TEX, TXB, TXD, TXL, TXP instructions.
*/
/*@{*/
- /**
- * Source texture unit. OpenGL supports a maximum of 32 texture
- * units.
- */
+ /** Source texture unit. */
GLuint TexSrcUnit:5;
-
- /**
- * Source texture target, one of TEXTURE_{1D,2D,3D,CUBE,RECT}_INDEX.
- */
+
+ /** Source texture target, one of TEXTURE_{1D,2D,3D,CUBE,RECT}_INDEX */
GLuint TexSrcTarget:3;
+
+ /** True if tex instruction should do shadow comparison */
+ GLuint TexShadow:1;
/*@}*/
/**
* 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.
+ * For IF, points to ELSE or ENDIF.
+ * For ELSE, points to ENDIF.
*/
GLint BranchTarget;
-#if 0
- /**
- * For TEX instructions in shaders, the sampler to use for the
- * texture lookup.
- */
- GLint Sampler;
-#endif
-
+ /** for debugging purposes */
const char *Comment;
+
+ /** Arbitrary data. Used for OPCODE_PRINT and some drivers */
+ void *Data;
+
+ /** for driver use (try to remove someday) */
+ GLint Aux;
};
extern GLboolean
_mesa_is_tex_instruction(gl_inst_opcode opcode);
+extern GLboolean
+_mesa_check_soa_dependencies(const struct prog_instruction *inst);
+
extern const char *
_mesa_opcode_string(gl_inst_opcode opcode);
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