glsl: rename GLSL texture assembly instructions to be more legible

[mesa.git] / src / mesa / shader / prog_instruction.h

diff --git a/src/mesa/shader/prog_instruction.h b/src/mesa/shader/prog_instruction.h
index 14305f17d384bbdef13768c9194251a8a6318511..48e7b04c98cc506d7dd7ee17be9162a71ddb168c 100644 (file)
--- a/src/mesa/shader/prog_instruction.h
+++ b/src/mesa/shader/prog_instruction.h
@@ -1,8 +1,8 @@
 /*
  * 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"),
@@ -57,6 +57,7 @@
 #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)
@@ -144,6 +145,7 @@ typedef enum prog_opcode {
    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                     */
@@ -158,6 +160,8 @@ typedef enum prog_opcode {
    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                   */
@@ -172,7 +176,6 @@ typedef enum prog_opcode {
    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   */
@@ -188,6 +191,10 @@ typedef enum prog_opcode {
    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             */
@@ -220,23 +227,34 @@ typedef enum prog_opcode {
    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;
 
@@ -279,13 +297,10 @@ struct prog_src_register
  */
 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.
@@ -297,7 +312,7 @@ struct prog_dst_register
    /*@{*/
    /**
     * 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.
     */
@@ -316,8 +331,7 @@ struct prog_dst_register
     */
    GLuint CondSrc:1;
    /*@}*/
-
-   GLuint pad:31;
+   GLuint pad:28;
 };
 
 
@@ -412,11 +426,13 @@ struct prog_instruction
     */
    GLint BranchTarget;
 
+#if 01 /* XXX just use this for i965 driver for now! */
    /**
     * For TEX instructions in shaders, the sampler to use for the
     * texture lookup.
     */
    GLint Sampler;
+#endif
 
    const char *Comment;
 };
@@ -432,9 +448,22 @@ 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 const char *
 _mesa_opcode_string(gl_inst_opcode opcode);