src/mesa/drivers/dri/r300/r300_fragprog.h

   1 #ifndef __R300_FRAGPROG_H_
   2 #define __R300_FRAGPROG_H_
   3
   4 #include "glheader.h"
   5 #include "macros.h"
   6 #include "enums.h"
   7
   8 #include "program.h"
   9 #include "r300_context.h"
  10 #include "program_instruction.h"
  11
  12 /* representation of a register for emit_arith/swizzle */
  13 typedef struct _pfs_reg_t {
  14         enum {
  15                 REG_TYPE_INPUT,
  16                 REG_TYPE_OUTPUT,
  17                 REG_TYPE_TEMP,
  18                 REG_TYPE_CONST
  19         } type:2;
  20         GLuint index:6;
  21         GLuint v_swz:5;
  22         GLuint s_swz:5;
  23         GLuint negate_v:1;
  24         GLuint negate_s:1;
  25         GLuint absolute:1;
  26         GLboolean no_use:1;
  27         GLboolean valid:1;
  28 } pfs_reg_t;
  29
  30 typedef struct r300_fragment_program_swizzle {
  31         GLuint length;
  32         GLuint src[4];
  33         GLuint inst[8];
  34 } r300_fragment_program_swizzle_t;
  35
  36 /* supported hw opcodes */
  37 #define PFS_OP_MAD 0
  38 #define PFS_OP_DP3 1
  39 #define PFS_OP_DP4 2
  40 #define PFS_OP_MIN 3
  41 #define PFS_OP_MAX 4
  42 #define PFS_OP_CMP 5
  43 #define PFS_OP_FRC 6
  44 #define PFS_OP_EX2 7
  45 #define PFS_OP_LG2 8
  46 #define PFS_OP_RCP 9
  47 #define PFS_OP_RSQ 10
  48 #define PFS_OP_REPL_ALPHA 11
  49 #define MAX_PFS_OP 11
  50
  51 #define PFS_FLAG_SAT    (1 << 0)
  52 #define PFS_FLAG_ABS    (1 << 1)
  53
  54 #define ARG_NEG                 (1 << 5)
  55 #define ARG_ABS                 (1 << 6)
  56 #define ARG_MASK                (127 << 0)
  57 #define ARG_STRIDE              7
  58 #define SRC_CONST               (1 << 5)
  59 #define SRC_MASK                (63 << 0)
  60 #define SRC_STRIDE              6
  61
  62 #define NOP_INST0 ( \
  63                 (R300_FPI0_OUTC_MAD) | \
  64                 (R300_FPI0_ARGC_ZERO << R300_FPI0_ARG0C_SHIFT) | \
  65                 (R300_FPI0_ARGC_ZERO << R300_FPI0_ARG1C_SHIFT) | \
  66                 (R300_FPI0_ARGC_ZERO << R300_FPI0_ARG2C_SHIFT))
  67 #define NOP_INST1 ( \
  68                 ((0 | SRC_CONST) << R300_FPI1_SRC0C_SHIFT) | \
  69                 ((0 | SRC_CONST) << R300_FPI1_SRC1C_SHIFT) | \
  70                 ((0 | SRC_CONST) << R300_FPI1_SRC2C_SHIFT))
  71 #define NOP_INST2 ( \
  72                 (R300_FPI2_OUTA_MAD) | \
  73                 (R300_FPI2_ARGA_ZERO << R300_FPI2_ARG0A_SHIFT) | \
  74                 (R300_FPI2_ARGA_ZERO << R300_FPI2_ARG1A_SHIFT) | \
  75                 (R300_FPI2_ARGA_ZERO << R300_FPI2_ARG2A_SHIFT))
  76 #define NOP_INST3 ( \
  77                 ((0 | SRC_CONST) << R300_FPI3_SRC0A_SHIFT) | \
  78                 ((0 | SRC_CONST) << R300_FPI3_SRC1A_SHIFT) | \
  79                 ((0 | SRC_CONST) << R300_FPI3_SRC2A_SHIFT))
  80
  81 #include "r300_context.h"
  82
  83 struct r300_fragment_program;
  84
  85 extern void r300_translate_fragment_shader(struct r300_fragment_program *rp);
  86
  87 #endif
  88