glsl: rename GLSL texture assembly instructions to be more legible
[mesa.git] / src / mesa / shader / prog_instruction.h
index 16701e4ec95b51555a41bceb500078131be95070..48e7b04c98cc506d7dd7ee17be9162a71ddb168c 100644 (file)
@@ -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"),
@@ -145,6 +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                     */
@@ -159,6 +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                   */
@@ -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             */
@@ -226,13 +233,18 @@ typedef enum prog_opcode {
    OPCODE_UP4B,      /*                            X             */
    OPCODE_UP4UB,     /*                            X             */
    OPCODE_X2D,       /*                            X             */
+   OPCODE_XOR,       /*                                          */
    OPCODE_XPD,       /*   X        X                         X   */
    MAX_OPCODE
 } gl_inst_opcode;
 
 
-/* temporary, just in case, remove soon */
-#define OPCODE_INT OPCODE_TRUNC
+/**
+ * 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.
@@ -240,7 +252,9 @@ typedef enum prog_opcode {
 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;
 
@@ -283,13 +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.
@@ -320,8 +331,7 @@ struct prog_dst_register
     */
    GLuint CondSrc:1;
    /*@}*/
-
-   GLuint pad:31;
+   GLuint pad:28;
 };
 
 
@@ -416,11 +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;
 };