src/mesa/drivers/dri/r300/r300_vertprog.h

   1 #ifndef __R300_VERTPROG_H_
   2 #define __R300_VERTPROG_H_
   3
   4 #include "r300_reg.h"
   5
   6 #define VSF_FLAG_X      1
   7 #define VSF_FLAG_Y      2
   8 #define VSF_FLAG_Z      4
   9 #define VSF_FLAG_W      8
  10 #define VSF_FLAG_XYZ    (VSF_FLAG_X | VSF_FLAG_Y | VSF_FLAG_Z)
  11 #define VSF_FLAG_ALL  0xf
  12 #define VSF_FLAG_NONE  0
  13
  14 /* first DWORD of an instruction */
  15
  16 #define PVS_VECTOR_OPCODE(op, out_reg_index, out_reg_fields, class) \
  17    ((op)  \
  18         | ((out_reg_index) << R300_VPI_OUT_REG_INDEX_SHIFT)     \
  19          | ((out_reg_fields) << 20)     \
  20         | ( (class) << 8 ) )
  21
  22 #define PVS_DST_MATH_INST       (1 << 6)
  23
  24 #define PVS_MATH_OPCODE(op, out_reg_index, out_reg_fields, class) \
  25    ((op)  \
  26     | PVS_DST_MATH_INST \
  27         | ((out_reg_index) << R300_VPI_OUT_REG_INDEX_SHIFT)     \
  28          | ((out_reg_fields) << 20)     \
  29         | ( (class) << 8 ) )
  30
  31 /* according to Nikolai, the subsequent 3 DWORDs are sources, use same define for each */
  32
  33 #define VSF_IN_COMPONENT_X      0
  34 #define VSF_IN_COMPONENT_Y      1
  35 #define VSF_IN_COMPONENT_Z      2
  36 #define VSF_IN_COMPONENT_W      3
  37 #define VSF_IN_COMPONENT_ZERO   4
  38 #define VSF_IN_COMPONENT_ONE    5
  39
  40 #define PVS_SOURCE_OPCODE(in_reg_index, comp_x, comp_y, comp_z, comp_w, class, negate) \
  41         ( ((in_reg_index)<<R300_VPI_IN_REG_INDEX_SHIFT) \
  42            | ((comp_x)<<R300_VPI_IN_X_SHIFT) \
  43            | ((comp_y)<<R300_VPI_IN_Y_SHIFT) \
  44            | ((comp_z)<<R300_VPI_IN_Z_SHIFT) \
  45            | ((comp_w)<<R300_VPI_IN_W_SHIFT) \
  46            | ((negate)<<25) | ((class)))
  47
  48 #if 1
  49
  50 /**
  51  * Vertex program helper macros
  52  */
  53
  54 #define VP_OUTMASK_X    R300_VPI_OUT_WRITE_X
  55 #define VP_OUTMASK_Y    R300_VPI_OUT_WRITE_Y
  56 #define VP_OUTMASK_Z    R300_VPI_OUT_WRITE_Z
  57 #define VP_OUTMASK_W    R300_VPI_OUT_WRITE_W
  58 #define VP_OUTMASK_XY   (VP_OUTMASK_X|VP_OUTMASK_Y)
  59 #define VP_OUTMASK_XZ   (VP_OUTMASK_X|VP_OUTMASK_Z)
  60 #define VP_OUTMASK_XW   (VP_OUTMASK_X|VP_OUTMASK_W)
  61 #define VP_OUTMASK_XYZ  (VP_OUTMASK_XY|VP_OUTMASK_Z)
  62 #define VP_OUTMASK_XYW  (VP_OUTMASK_XY|VP_OUTMASK_W)
  63 #define VP_OUTMASK_XZW  (VP_OUTMASK_XZ|VP_OUTMASK_W)
  64 #define VP_OUTMASK_XYZW (VP_OUTMASK_XYZ|VP_OUTMASK_W)
  65 #define VP_OUTMASK_YZ   (VP_OUTMASK_Y|VP_OUTMASK_Z)
  66 #define VP_OUTMASK_YW   (VP_OUTMASK_Y|VP_OUTMASK_W)
  67 #define VP_OUTMASK_YZW  (VP_OUTMASK_YZ|VP_OUTMASK_W)
  68 #define VP_OUTMASK_ZW   (VP_OUTMASK_Z|VP_OUTMASK_W)
  69
  70 #define VP_OUT(instr,outclass,outidx,outmask) \
  71         (VE_##instr |                           \
  72         ((outidx) << R300_VPI_OUT_REG_INDEX_SHIFT) |            \
  73         (PVS_DST_REG_##outclass << 8) |         \
  74         VP_OUTMASK_##outmask)
  75
  76 #define VP_IN(class,idx) \
  77         (((idx) << R300_VPI_IN_REG_INDEX_SHIFT) |               \
  78         (PVS_SRC_REG_##class << 0) |                    \
  79         (PVS_SRC_SELECT_X << R300_VPI_IN_X_SHIFT) |             \
  80         (PVS_SRC_SELECT_Y << R300_VPI_IN_Y_SHIFT) |             \
  81         (PVS_SRC_SELECT_Z << R300_VPI_IN_Z_SHIFT) |             \
  82         (PVS_SRC_SELECT_W << R300_VPI_IN_W_SHIFT))
  83 #define VP_ZERO() \
  84         ((PVS_SRC_SELECT_FORCE_0 << R300_VPI_IN_X_SHIFT) |      \
  85         (PVS_SRC_SELECT_FORCE_0 << R300_VPI_IN_Y_SHIFT) |       \
  86         (PVS_SRC_SELECT_FORCE_0 << R300_VPI_IN_Z_SHIFT) |       \
  87         (PVS_SRC_SELECT_FORCE_0 << R300_VPI_IN_W_SHIFT))
  88 #define VP_ONE() \
  89         ((PVS_SRC_SELECT_FORCE_1 << R300_VPI_IN_X_SHIFT) |      \
  90         (PVS_SRC_SELECT_FORCE_1 << R300_VPI_IN_Y_SHIFT) |       \
  91         (PVS_SRC_SELECT_FORCE_1 << R300_VPI_IN_Z_SHIFT) |       \
  92         (PVS_SRC_SELECT_FORCE_1 << R300_VPI_IN_W_SHIFT))
  93
  94 #define VP_NEG(in,comp)         ((in) ^ (R300_VPI_IN_NEG_##comp))
  95 #define VP_NEGALL(in,comp)      VP_NEG(VP_NEG(VP_NEG(VP_NEG((in),X),Y),Z),W)
  96
  97 #endif
  98
  99 #endif