svn merge ^/branches/released .

1 files changed, 454 insertions, 454 deletions

diff --git a/mesalib/src/mesa/program/prog_instruction.h b/mesalib/src/mesa/program/prog_instruction.h
index ca90de7ce..0a88e0d70 100644
--- a/mesalib/src/mesa/program/prog_instruction.h
+++ b/mesalib/src/mesa/program/prog_instruction.h
@@ -1,454 +1,454 @@
-/*
- * Mesa 3-D graphics library
- * Version:  7.3
- *
- * 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"),
- * 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.
- */
-
-
-/**
- * \file prog_instruction.h
- *
- * Vertex/fragment program instruction datatypes and constants.
- *
- * \author Brian Paul
- * \author Keith Whitwell
- * \author Ian Romanick <idr@us.ibm.com>
- */
-
-
-#ifndef PROG_INSTRUCTION_H
-#define PROG_INSTRUCTION_H
-
-
-#include "main/glheader.h"
-
-
-/**
- * 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   /**< 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_Z     0x4
-#define WRITEMASK_XZ    0x5
-#define WRITEMASK_YZ    0x6
-#define WRITEMASK_XYZ   0x7
-#define WRITEMASK_W     0x8
-#define WRITEMASK_XW    0x9
-#define WRITEMASK_YW    0xa
-#define WRITEMASK_XYW   0xb
-#define WRITEMASK_ZW    0xc
-#define WRITEMASK_XZW   0xd
-#define WRITEMASK_YZW   0xe
-#define WRITEMASK_XYZW  0xf
-/*@}*/
-
-
-/**
- * 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 than or equal to zero */
-#define COND_LE  6  /**< less than 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 for GL_NV_fragment_program
- */
-/*@{*/
-#define FLOAT32  0x1
-#define FLOAT16  0x2
-#define FIXED12  0x4
-/*@}*/
-
-
-/**
- * Saturation modes when storing values.
- */
-/*@{*/
-#define SATURATE_OFF            0
-#define SATURATE_ZERO_ONE       1
-/*@}*/
-
-
-/**
- * Per-component negation masks
- */
-/*@{*/
-#define NEGATE_X    0x1
-#define NEGATE_Y    0x2
-#define NEGATE_Z    0x4
-#define NEGATE_W    0x8
-#define NEGATE_XYZ  0x7
-#define NEGATE_XYZW 0xf
-#define NEGATE_NONE 0x0
-/*@}*/
-
-
-/**
- * Program instruction opcodes for vertex, fragment and geometry programs.
- */
-typedef enum prog_opcode {
-                     /* 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_AND,       /*                                          */
-   OPCODE_ARA,       /*                    2                     */
-   OPCODE_ARL,       /*   X                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         X   */
-   OPCODE_CMP,       /*            X                         X   */
-   OPCODE_CONT,      /*                                     opt  */
-   OPCODE_COS,       /*            X       2       X         X   */
-   OPCODE_DDX,       /*                            X         X   */
-   OPCODE_DDY,       /*                            X         X   */
-   OPCODE_DP2,       /*                            2         X   */
-   OPCODE_DP2A,      /*                            2             */
-   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_EMIT_VERTEX,/*                                     X   */
-   OPCODE_END,       /*   X        X       X       X        opt  */
-   OPCODE_END_PRIMITIVE,/*                                   X   */
-   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_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         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_NOT,       /*                                          */
-   OPCODE_NRM3,      /*                                      X   */
-   OPCODE_NRM4,      /*                                      X   */
-   OPCODE_OR,        /*                                          */
-   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         X   */
-   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_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:(INST_INDEX_BITS+1); /**< Extra bit here for sign bit.
-                                     * May be negative for relative addressing.
-                                     */
-   GLuint Swizzle:12;
-   GLuint RelAddr:1;
-
-   /** Take the component-wise absolute value */
-   GLuint Abs:1;
-
-   /**
-    * Post-Abs negation.
-    * This will either be NEGATE_NONE or NEGATE_XYZW, except for the SWZ
-    * instruction which allows per-component negation.
-    */
-   GLuint Negate:4;
-
-   /**
-    * Is the register two-dimensional.
-    * Two dimensional registers are of the
-    * REGISTER[index][index2] format.
-    * They are used by the geometry shaders where
-    * the first index is the index within an array
-    * and the second index is the semantic of the
-    * array, e.g. gl_PositionIn[index] would become
-    * INPUT[index][gl_PositionIn]
-    */
-   GLuint HasIndex2:1;
-   GLuint RelAddr2:1;
-   GLint Index2:(INST_INDEX_BITS+1); /**< Extra bit here for sign bit.
-                                       * May be negative for relative
-                                       * addressing. */
-};
-
-
-/**
- * Instruction destination register.
- */
-struct prog_dst_register
-{
-   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.
-    *
-    * \since
-    * NV_fragment_program, NV_fragment_program_option, NV_vertex_program2,
-    * NV_vertex_program2_option.
-    */
-   /*@{*/
-   /**
-    * Takes one of the 9 possible condition values (EQ, FL, GT, GE, LE, LT,
-    * 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.
-    */
-   GLuint CondMask:4;
-
-   /**
-    * 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 registers 0 and 1 are available.
-    */
-   GLuint CondSrc:1;
-   /*@}*/
-};
-
-
-/**
- * Vertex/fragment program instruction.
- */
-struct prog_instruction
-{
-   gl_inst_opcode Opcode;
-   struct prog_src_register SrcReg[3];
-   struct prog_dst_register DstReg;
-
-   /**
-    * Indicates that the instruction should update the condition code
-    * register.
-    *
-    * \since
-    * NV_fragment_program, NV_fragment_program_option, NV_vertex_program2,
-    * NV_vertex_program2_option.
-    */
-   GLuint CondUpdate:1;
-
-   /**
-    * If prog_instruction::CondUpdate is \c GL_TRUE, this value selects the
-    * condition code register that is to be updated.
-    *
-    * In GL_NV_fragment_program or GL_NV_vertex_program2 mode, only condition
-    * code register 0 is available.  In GL_NV_vertex_program3 mode, condition
-    * code registers 0 and 1 are available.
-    *
-    * \since
-    * NV_fragment_program, NV_fragment_program_option, NV_vertex_program2,
-    * NV_vertex_program2_option.
-    */
-   GLuint CondDst:1;
-
-   /**
-    * Saturate each value of the vectored result to the range [0,1] or the
-    * range [-1,1].  \c SSAT mode (i.e., saturation to the range [-1,1]) is
-    * only available in NV_fragment_program2 mode.
-    * Value is one of the SATURATE_* tokens.
-    *
-    * \since
-    * NV_fragment_program, NV_fragment_program_option, NV_vertex_program3.
-    */
-   GLuint SaturateMode:2;
-
-   /**
-    * Per-instruction selectable precision: FLOAT32, FLOAT16, FIXED12.
-    *
-    * \since
-    * NV_fragment_program, NV_fragment_program_option.
-    */
-   GLuint Precision:3;
-
-   /**
-    * \name Extra fields for TEX, TXB, TXD, TXL, TXP instructions.
-    */
-   /*@{*/
-   /** Source texture unit. */
-   GLuint TexSrcUnit:5;
-
-   /** 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 ENDLOOP
-    * For IF, points to ELSE or ENDIF.
-    * For ELSE, points to ENDIF.
-    */
-   GLint BranchTarget;
-
-   /** 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 void
-_mesa_init_instructions(struct prog_instruction *inst, GLuint count);
-
-extern struct prog_instruction *
-_mesa_alloc_instructions(GLuint numInst);
-
-extern struct prog_instruction *
-_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 void
-_mesa_free_instructions(struct prog_instruction *inst, GLuint count);
-
-extern GLuint
-_mesa_num_inst_src_regs(gl_inst_opcode opcode);
-
-extern GLuint
-_mesa_num_inst_dst_regs(gl_inst_opcode opcode);
-
-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);
-
-
-#endif /* PROG_INSTRUCTION_H */
+/*

+ * Mesa 3-D graphics library

+ * Version:  7.3

+ *

+ * 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"),

+ * 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.

+ */

+

+

+/**

+ * \file prog_instruction.h

+ *

+ * Vertex/fragment program instruction datatypes and constants.

+ *

+ * \author Brian Paul

+ * \author Keith Whitwell

+ * \author Ian Romanick <idr@us.ibm.com>

+ */

+

+

+#ifndef PROG_INSTRUCTION_H

+#define PROG_INSTRUCTION_H

+

+

+#include "main/glheader.h"

+

+

+/**

+ * 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   /**< 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_Z     0x4

+#define WRITEMASK_XZ    0x5

+#define WRITEMASK_YZ    0x6

+#define WRITEMASK_XYZ   0x7

+#define WRITEMASK_W     0x8

+#define WRITEMASK_XW    0x9

+#define WRITEMASK_YW    0xa

+#define WRITEMASK_XYW   0xb

+#define WRITEMASK_ZW    0xc

+#define WRITEMASK_XZW   0xd

+#define WRITEMASK_YZW   0xe

+#define WRITEMASK_XYZW  0xf

+/*@}*/

+

+

+/**

+ * 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 than or equal to zero */

+#define COND_LE  6  /**< less than 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 for GL_NV_fragment_program

+ */

+/*@{*/

+#define FLOAT32  0x1

+#define FLOAT16  0x2

+#define FIXED12  0x4

+/*@}*/

+

+

+/**

+ * Saturation modes when storing values.

+ */

+/*@{*/

+#define SATURATE_OFF            0

+#define SATURATE_ZERO_ONE       1

+/*@}*/

+

+

+/**

+ * Per-component negation masks

+ */

+/*@{*/

+#define NEGATE_X    0x1

+#define NEGATE_Y    0x2

+#define NEGATE_Z    0x4

+#define NEGATE_W    0x8

+#define NEGATE_XYZ  0x7

+#define NEGATE_XYZW 0xf

+#define NEGATE_NONE 0x0

+/*@}*/

+

+

+/**

+ * Program instruction opcodes for vertex, fragment and geometry programs.

+ */

+typedef enum prog_opcode {

+                     /* 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_AND,       /*                                          */

+   OPCODE_ARA,       /*                    2                     */

+   OPCODE_ARL,       /*   X                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         X   */

+   OPCODE_CMP,       /*            X                         X   */

+   OPCODE_CONT,      /*                                     opt  */

+   OPCODE_COS,       /*            X       2       X         X   */

+   OPCODE_DDX,       /*                            X         X   */

+   OPCODE_DDY,       /*                            X         X   */

+   OPCODE_DP2,       /*                            2         X   */

+   OPCODE_DP2A,      /*                            2             */

+   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_EMIT_VERTEX,/*                                     X   */

+   OPCODE_END,       /*   X        X       X       X        opt  */

+   OPCODE_END_PRIMITIVE,/*                                   X   */

+   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_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         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_NOT,       /*                                          */

+   OPCODE_NRM3,      /*                                      X   */

+   OPCODE_NRM4,      /*                                      X   */

+   OPCODE_OR,        /*                                          */

+   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         X   */

+   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_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 11

+

+

+/**

+ * Instruction source register.

+ */

+struct prog_src_register

+{

+   GLuint File:4;	/**< One of the PROGRAM_* register file values. */

+   GLint Index:(INST_INDEX_BITS+1); /**< Extra bit here for sign bit.

+                                     * May be negative for relative addressing.

+                                     */

+   GLuint Swizzle:12;

+   GLuint RelAddr:1;

+

+   /** Take the component-wise absolute value */

+   GLuint Abs:1;

+

+   /**

+    * Post-Abs negation.

+    * This will either be NEGATE_NONE or NEGATE_XYZW, except for the SWZ

+    * instruction which allows per-component negation.

+    */

+   GLuint Negate:4;

+

+   /**

+    * Is the register two-dimensional.

+    * Two dimensional registers are of the

+    * REGISTER[index][index2] format.

+    * They are used by the geometry shaders where

+    * the first index is the index within an array

+    * and the second index is the semantic of the

+    * array, e.g. gl_PositionIn[index] would become

+    * INPUT[index][gl_PositionIn]

+    */

+   GLuint HasIndex2:1;

+   GLuint RelAddr2:1;

+   GLint Index2:(INST_INDEX_BITS+1); /**< Extra bit here for sign bit.

+                                       * May be negative for relative

+                                       * addressing. */

+};

+

+

+/**

+ * Instruction destination register.

+ */

+struct prog_dst_register

+{

+   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.

+    *

+    * \since

+    * NV_fragment_program, NV_fragment_program_option, NV_vertex_program2,

+    * NV_vertex_program2_option.

+    */

+   /*@{*/

+   /**

+    * Takes one of the 9 possible condition values (EQ, FL, GT, GE, LE, LT,

+    * 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.

+    */

+   GLuint CondMask:4;

+

+   /**

+    * 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 registers 0 and 1 are available.

+    */

+   GLuint CondSrc:1;

+   /*@}*/

+};

+

+

+/**

+ * Vertex/fragment program instruction.

+ */

+struct prog_instruction

+{

+   gl_inst_opcode Opcode;

+   struct prog_src_register SrcReg[3];

+   struct prog_dst_register DstReg;

+

+   /**

+    * Indicates that the instruction should update the condition code

+    * register.

+    *

+    * \since

+    * NV_fragment_program, NV_fragment_program_option, NV_vertex_program2,

+    * NV_vertex_program2_option.

+    */

+   GLuint CondUpdate:1;

+

+   /**

+    * If prog_instruction::CondUpdate is \c GL_TRUE, this value selects the

+    * condition code register that is to be updated.

+    *

+    * In GL_NV_fragment_program or GL_NV_vertex_program2 mode, only condition

+    * code register 0 is available.  In GL_NV_vertex_program3 mode, condition

+    * code registers 0 and 1 are available.

+    *

+    * \since

+    * NV_fragment_program, NV_fragment_program_option, NV_vertex_program2,

+    * NV_vertex_program2_option.

+    */

+   GLuint CondDst:1;

+

+   /**

+    * Saturate each value of the vectored result to the range [0,1] or the

+    * range [-1,1].  \c SSAT mode (i.e., saturation to the range [-1,1]) is

+    * only available in NV_fragment_program2 mode.

+    * Value is one of the SATURATE_* tokens.

+    *

+    * \since

+    * NV_fragment_program, NV_fragment_program_option, NV_vertex_program3.

+    */

+   GLuint SaturateMode:2;

+

+   /**

+    * Per-instruction selectable precision: FLOAT32, FLOAT16, FIXED12.

+    *

+    * \since

+    * NV_fragment_program, NV_fragment_program_option.

+    */

+   GLuint Precision:3;

+

+   /**

+    * \name Extra fields for TEX, TXB, TXD, TXL, TXP instructions.

+    */

+   /*@{*/

+   /** Source texture unit. */

+   GLuint TexSrcUnit:5;

+

+   /** 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 ENDLOOP

+    * For IF, points to ELSE or ENDIF.

+    * For ELSE, points to ENDIF.

+    */

+   GLint BranchTarget;

+

+   /** 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 void

+_mesa_init_instructions(struct prog_instruction *inst, GLuint count);

+

+extern struct prog_instruction *

+_mesa_alloc_instructions(GLuint numInst);

+

+extern struct prog_instruction *

+_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 void

+_mesa_free_instructions(struct prog_instruction *inst, GLuint count);

+

+extern GLuint

+_mesa_num_inst_src_regs(gl_inst_opcode opcode);

+

+extern GLuint

+_mesa_num_inst_dst_regs(gl_inst_opcode opcode);

+

+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);

+

+

+#endif /* PROG_INSTRUCTION_H */