1 #ifndef __VERTEX_SHADER_H__ 2 #define __VERTEX_SHADER_H__ 3 4 #include "r200_reg.h" 5 6 typedef struct { 7 uint32_t op; 8 uint32_t src0; 9 uint32_t src1; 10 uint32_t src2; 11 } VERTEX_SHADER_INSTRUCTION; 12 13 extern void r200InitShaderFuncs(struct dd_function_table *functions); 14 extern void r200SetupVertexProg( struct gl_context *ctx ); 15 16 #define VSF_FLAG_X 1 17 #define VSF_FLAG_Y 2 18 #define VSF_FLAG_Z 4 19 #define VSF_FLAG_W 8 20 #define VSF_FLAG_XYZ (VSF_FLAG_X | VSF_FLAG_Y | VSF_FLAG_Z) 21 #define VSF_FLAG_ALL 0xf 22 #define VSF_FLAG_NONE 0 23 24 #define R200_VSF_MAX_INST 128 25 #define R200_VSF_MAX_PARAM 192 26 #define R200_VSF_MAX_TEMPS 12 27 28 #define R200_VPI_OUT_REG_INDEX_SHIFT 13 29 #define R200_VPI_OUT_REG_INDEX_MASK (31 << 13) /* GUESS based on fglrx native limits */ 30 31 #define R200_VPI_OUT_WRITE_X (1 << 20) 32 #define R200_VPI_OUT_WRITE_Y (1 << 21) 33 #define R200_VPI_OUT_WRITE_Z (1 << 22) 34 #define R200_VPI_OUT_WRITE_W (1 << 23) 35 36 #define R200_VPI_IN_REG_CLASS_TEMPORARY (0 << 0) 37 #define R200_VPI_IN_REG_CLASS_ATTRIBUTE (1 << 0) 38 #define R200_VPI_IN_REG_CLASS_PARAMETER (2 << 0) 39 #define R200_VPI_IN_REG_CLASS_NONE (9 << 0) 40 #define R200_VPI_IN_REG_CLASS_MASK (31 << 0) /* GUESS */ 41 42 #define R200_VPI_IN_REG_INDEX_SHIFT 5 43 #define R200_VPI_IN_REG_INDEX_MASK (255 << 5) /* GUESS based on fglrx native limits */ 44 45 /* The R200 can select components from the input register arbitrarily. 46 // Use the following constants, shifted by the component shift you 47 // want to select */ 48 #define R200_VPI_IN_SELECT_X 0 49 #define R200_VPI_IN_SELECT_Y 1 50 #define R200_VPI_IN_SELECT_Z 2 51 #define R200_VPI_IN_SELECT_W 3 52 #define R200_VPI_IN_SELECT_ZERO 4 53 #define R200_VPI_IN_SELECT_ONE 5 54 #define R200_VPI_IN_SELECT_MASK 7 55 56 #define R200_VPI_IN_X_SHIFT 13 57 #define R200_VPI_IN_Y_SHIFT 16 58 #define R200_VPI_IN_Z_SHIFT 19 59 #define R200_VPI_IN_W_SHIFT 22 60 61 #define R200_VPI_IN_NEG_X (1 << 25) 62 #define R200_VPI_IN_NEG_Y (1 << 26) 63 #define R200_VPI_IN_NEG_Z (1 << 27) 64 #define R200_VPI_IN_NEG_W (1 << 28) 65 66 #define R200_VSF_OUT_CLASS_TMP (0 << 8) 67 #define R200_VSF_OUT_CLASS_ADDR (3 << 8) 68 #define R200_VSF_OUT_CLASS_RESULT_POS (4 << 8) 69 #define R200_VSF_OUT_CLASS_RESULT_COLOR (5 << 8) 70 #define R200_VSF_OUT_CLASS_RESULT_TEXC (6 << 8) 71 #define R200_VSF_OUT_CLASS_RESULT_FOGC (7 << 8) 72 #define R200_VSF_OUT_CLASS_RESULT_POINTSIZE (8 << 8) 73 #define R200_VSF_OUT_CLASS_MASK (31 << 8) 74 75 /* opcodes - they all are the same as on r300 it seems, however 76 LIT and POW require different setup */ 77 #define R200_VPI_OUT_OP_DOT (1 << 0) 78 #define R200_VPI_OUT_OP_MUL (2 << 0) 79 #define R200_VPI_OUT_OP_ADD (3 << 0) 80 #define R200_VPI_OUT_OP_MAD (4 << 0) 81 #define R200_VPI_OUT_OP_DST (5 << 0) 82 #define R200_VPI_OUT_OP_FRC (6 << 0) 83 #define R200_VPI_OUT_OP_MAX (7 << 0) 84 #define R200_VPI_OUT_OP_MIN (8 << 0) 85 #define R200_VPI_OUT_OP_SGE (9 << 0) 86 #define R200_VPI_OUT_OP_SLT (10 << 0) 87 88 #define R200_VPI_OUT_OP_ARL (13 << 0) 89 90 #define R200_VPI_OUT_OP_EXP (65 << 0) 91 #define R200_VPI_OUT_OP_LOG (66 << 0) 92 /* base e exp. Useful for fog. */ 93 #define R200_VPI_OUT_OP_EXP_E (67 << 0) 94 95 #define R200_VPI_OUT_OP_LIT (68 << 0) 96 #define R200_VPI_OUT_OP_POW (69 << 0) 97 #define R200_VPI_OUT_OP_RCP (70 << 0) 98 #define R200_VPI_OUT_OP_RSQ (72 << 0) 99 100 #define R200_VPI_OUT_OP_EX2 (75 << 0) 101 #define R200_VPI_OUT_OP_LG2 (76 << 0) 102 103 #define R200_VPI_OUT_OP_MAD_2 (128 << 0) 104 105 /* first CARD32 of an instruction */ 106 107 /* possible operations: 108 DOT, MUL, ADD, MAD, FRC, MAX, MIN, SGE, SLT, EXP, LOG, LIT, POW, RCP, RSQ, EX2, 109 LG2, MAD_2, ARL */ 110 111 #define MAKE_VSF_OP(op, out_reg, out_reg_fields) \ 112 ((op) | (out_reg) | ((out_reg_fields) << 20) ) 113 114 #define VSF_IN_CLASS_TMP 0 115 #define VSF_IN_CLASS_ATTR 1 116 #define VSF_IN_CLASS_PARAM 2 117 #define VSF_IN_CLASS_NONE 9 118 119 #define VSF_IN_COMPONENT_X 0 120 #define VSF_IN_COMPONENT_Y 1 121 #define VSF_IN_COMPONENT_Z 2 122 #define VSF_IN_COMPONENT_W 3 123 #define VSF_IN_COMPONENT_ZERO 4 124 #define VSF_IN_COMPONENT_ONE 5 125 126 #define MAKE_VSF_SOURCE(in_reg_index, comp_x, comp_y, comp_z, comp_w, class, negate) \ 127 ( ((in_reg_index)<<R200_VPI_IN_REG_INDEX_SHIFT) \ 128 | ((comp_x)<<R200_VPI_IN_X_SHIFT) \ 129 | ((comp_y)<<R200_VPI_IN_Y_SHIFT) \ 130 | ((comp_z)<<R200_VPI_IN_Z_SHIFT) \ 131 | ((comp_w)<<R200_VPI_IN_W_SHIFT) \ 132 | ((negate)<<25) | ((class))) 133 134 #define EASY_VSF_SOURCE(in_reg_index, comp_x, comp_y, comp_z, comp_w, class, negate) \ 135 MAKE_VSF_SOURCE(in_reg_index, \ 136 VSF_IN_COMPONENT_##comp_x, \ 137 VSF_IN_COMPONENT_##comp_y, \ 138 VSF_IN_COMPONENT_##comp_z, \ 139 VSF_IN_COMPONENT_##comp_w, \ 140 VSF_IN_CLASS_##class, VSF_FLAG_##negate) 141 142 /* special sources: */ 143 144 /* (1.0,1.0,1.0,1.0) vector (ATTR, plain ) */ 145 #define VSF_ATTR_UNITY(reg) EASY_VSF_SOURCE(reg, ONE, ONE, ONE, ONE, ATTR, NONE) 146 #define VSF_UNITY(reg) EASY_VSF_SOURCE(reg, ONE, ONE, ONE, ONE, NONE, NONE) 147 148 /* contents of unmodified register */ 149 #define VSF_REG(reg) EASY_VSF_SOURCE(reg, X, Y, Z, W, ATTR, NONE) 150 151 /* contents of unmodified parameter */ 152 #define VSF_PARAM(reg) EASY_VSF_SOURCE(reg, X, Y, Z, W, PARAM, NONE) 153 154 /* contents of unmodified temporary register */ 155 #define VSF_TMP(reg) EASY_VSF_SOURCE(reg, X, Y, Z, W, TMP, NONE) 156 157 /* components of ATTR register */ 158 #define VSF_ATTR_X(reg) EASY_VSF_SOURCE(reg, X, X, X, X, ATTR, NONE) 159 #define VSF_ATTR_Y(reg) EASY_VSF_SOURCE(reg, Y, Y, Y, Y, ATTR, NONE) 160 #define VSF_ATTR_Z(reg) EASY_VSF_SOURCE(reg, Z, Z, Z, Z, ATTR, NONE) 161 #define VSF_ATTR_W(reg) EASY_VSF_SOURCE(reg, W, W, W, W, ATTR, NONE) 162 163 #endif 164
