diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv40_vertprog.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv40_vertprog.c | 685 |
1 files changed, 685 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv40_vertprog.c b/src/mesa/drivers/dri/nouveau/nv40_vertprog.c new file mode 100644 index 0000000000..0493e18403 --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nv40_vertprog.c @@ -0,0 +1,685 @@ +#include "nouveau_shader.h" +#include "nouveau_msg.h" +#include "nv40_shader.h" + +/***************************************************************************** + * Assembly routines + */ +static int +NV40VPSupportsOpcode(nvsFunc * shader, nvsOpcode op) +{ + if (shader->GetOPTXFromSOP(op, NULL)) + return 1; + return 0; +} + +static void +NV40VPSetOpcode(nvsFunc *shader, unsigned int opcode, int slot) +{ + if (slot) { + shader->inst[1] &= ~NV40_VP_INST_SCA_OPCODE_MASK; + shader->inst[1] |= (opcode << NV40_VP_INST_SCA_OPCODE_SHIFT); + } else { + shader->inst[1] &= ~NV40_VP_INST_VEC_OPCODE_MASK; + shader->inst[1] |= (opcode << NV40_VP_INST_VEC_OPCODE_SHIFT); + } +} + +static void +NV40VPSetCCUpdate(nvsFunc *shader) +{ + shader->inst[0] |= NV40_VP_INST_COND_UPDATE_ENABLE; +} + +static void +NV40VPSetCondition(nvsFunc *shader, int on, nvsCond cond, int reg, + nvsSwzComp *swizzle) +{ + unsigned int hwcond; + + if (on ) shader->inst[0] |= NV40_VP_INST_COND_TEST_ENABLE; + else shader->inst[0] &= ~NV40_VP_INST_COND_TEST_ENABLE; + if (reg) shader->inst[0] |= NV40_VP_INST_COND_REG_SELECT_1; + else shader->inst[0] &= ~NV40_VP_INST_COND_REG_SELECT_1; + + switch (cond) { + case NVS_COND_TR: hwcond = NV40_VP_INST_COND_TR; break; + case NVS_COND_FL: hwcond = NV40_VP_INST_COND_FL; break; + case NVS_COND_LT: hwcond = NV40_VP_INST_COND_LT; break; + case NVS_COND_GT: hwcond = NV40_VP_INST_COND_GT; break; + case NVS_COND_NE: hwcond = NV40_VP_INST_COND_NE; break; + case NVS_COND_EQ: hwcond = NV40_VP_INST_COND_EQ; break; + case NVS_COND_GE: hwcond = NV40_VP_INST_COND_GE; break; + case NVS_COND_LE: hwcond = NV40_VP_INST_COND_LE; break; + default: + WARN_ONCE("unknown vp cond %d\n", cond); + hwcond = NV40_VP_INST_COND_TR; + break; + } + shader->inst[0] &= ~NV40_VP_INST_COND_MASK; + shader->inst[0] |= (hwcond << NV40_VP_INST_COND_SHIFT); + + shader->inst[0] &= ~NV40_VP_INST_COND_SWZ_ALL_MASK; + shader->inst[0] |= (swizzle[NVS_SWZ_X] << NV40_VP_INST_COND_SWZ_X_SHIFT); + shader->inst[0] |= (swizzle[NVS_SWZ_Y] << NV40_VP_INST_COND_SWZ_Y_SHIFT); + shader->inst[0] |= (swizzle[NVS_SWZ_Z] << NV40_VP_INST_COND_SWZ_Z_SHIFT); + shader->inst[0] |= (swizzle[NVS_SWZ_W] << NV40_VP_INST_COND_SWZ_W_SHIFT); +} + +static void +NV40VPSetResult(nvsFunc *shader, nvsRegister * dest, unsigned int mask, + int slot) +{ + unsigned int hwmask = 0; + + if (mask & SMASK_X) hwmask |= (1 << 3); + if (mask & SMASK_Y) hwmask |= (1 << 2); + if (mask & SMASK_Z) hwmask |= (1 << 1); + if (mask & SMASK_W) hwmask |= (1 << 0); + + if (dest->file == NVS_FILE_RESULT) { + int hwidx; + + switch (dest->index) { + case NVS_FR_POSITION : hwidx = NV40_VP_INST_DEST_POS; break; + case NVS_FR_COL0 : hwidx = NV40_VP_INST_DEST_COL0; break; + case NVS_FR_COL1 : hwidx = NV40_VP_INST_DEST_COL1; break; + case NVS_FR_BFC0 : hwidx = NV40_VP_INST_DEST_BFC0; break; + case NVS_FR_BFC1 : hwidx = NV40_VP_INST_DEST_BFC1; break; + case NVS_FR_FOGCOORD : hwidx = NV40_VP_INST_DEST_FOGC; break; + case NVS_FR_POINTSZ : hwidx = NV40_VP_INST_DEST_PSZ; break; + case NVS_FR_TEXCOORD0: hwidx = NV40_VP_INST_DEST_TC(0); break; + case NVS_FR_TEXCOORD1: hwidx = NV40_VP_INST_DEST_TC(1); break; + case NVS_FR_TEXCOORD2: hwidx = NV40_VP_INST_DEST_TC(2); break; + case NVS_FR_TEXCOORD3: hwidx = NV40_VP_INST_DEST_TC(3); break; + case NVS_FR_TEXCOORD4: hwidx = NV40_VP_INST_DEST_TC(4); break; + case NVS_FR_TEXCOORD5: hwidx = NV40_VP_INST_DEST_TC(5); break; + case NVS_FR_TEXCOORD6: hwidx = NV40_VP_INST_DEST_TC(6); break; + case NVS_FR_TEXCOORD7: hwidx = NV40_VP_INST_DEST_TC(7); break; + default: + WARN_ONCE("unknown vtxprog output %d\n", dest->index); + hwidx = 0; + break; + } + shader->inst[3] &= ~NV40_VP_INST_DEST_MASK; + shader->inst[3] |= (hwidx << NV40_VP_INST_DEST_SHIFT); + + if (slot) shader->inst[3] |= NV40_VP_INST_SCA_RESULT; + else shader->inst[0] |= NV40_VP_INST_VEC_RESULT; + } else { + /* NVS_FILE_TEMP || NVS_FILE_ADDRESS */ + if (slot) { + shader->inst[3] &= ~NV40_VP_INST_SCA_RESULT; + shader->inst[3] &= ~NV40_VP_INST_SCA_DEST_TEMP_MASK; + shader->inst[3] |= (dest->index << NV40_VP_INST_SCA_DEST_TEMP_SHIFT); + } else { + shader->inst[0] &= ~NV40_VP_INST_VEC_RESULT; + shader->inst[0] &= ~(NV40_VP_INST_VEC_DEST_TEMP_MASK | (1<<20)); + shader->inst[0] |= (dest->index << NV40_VP_INST_VEC_DEST_TEMP_SHIFT); + } + } + + if (slot) { + shader->inst[3] &= ~NV40_VP_INST_SCA_WRITEMASK_MASK; + shader->inst[3] |= (hwmask << NV40_VP_INST_SCA_WRITEMASK_SHIFT); + } else { + shader->inst[3] &= ~NV40_VP_INST_VEC_WRITEMASK_MASK; + shader->inst[3] |= (hwmask << NV40_VP_INST_VEC_WRITEMASK_SHIFT); + } +} + +static void +NV40VPInsertSource(nvsFunc *shader, unsigned int hw, int pos) +{ + switch (pos) { + case 0: + shader->inst[1] &= ~NV40_VP_INST_SRC0H_MASK; + shader->inst[2] &= ~NV40_VP_INST_SRC0L_MASK; + shader->inst[1] |= ((hw & NV40_VP_SRC0_HIGH_MASK) >> + NV40_VP_SRC0_HIGH_SHIFT) + << NV40_VP_INST_SRC0H_SHIFT; + shader->inst[2] |= (hw & NV40_VP_SRC0_LOW_MASK) + << NV40_VP_INST_SRC0L_SHIFT; + break; + case 1: + shader->inst[2] &= ~NV40_VP_INST_SRC1_MASK; + shader->inst[2] |= hw + << NV40_VP_INST_SRC1_SHIFT; + break; + case 2: + shader->inst[2] &= ~NV40_VP_INST_SRC2H_MASK; + shader->inst[3] &= ~NV40_VP_INST_SRC2L_MASK; + shader->inst[2] |= ((hw & NV40_VP_SRC2_HIGH_MASK) >> + NV40_VP_SRC2_HIGH_SHIFT) + << NV40_VP_INST_SRC2H_SHIFT; + shader->inst[3] |= (hw & NV40_VP_SRC2_LOW_MASK) + << NV40_VP_INST_SRC2L_SHIFT; + break; + default: + assert(0); + break; + } +} + +static void +NV40VPSetSource(nvsFunc *shader, nvsRegister * src, int pos) +{ + unsigned int hw = 0; + + switch (src->file) { + case NVS_FILE_ADDRESS: + break; + case NVS_FILE_ATTRIB: + hw |= (NV40_VP_SRC_REG_TYPE_INPUT << NV40_VP_SRC_REG_TYPE_SHIFT); + + shader->inst[1] &= ~NV40_VP_INST_INPUT_SRC_MASK; + shader->inst[1] |= (src->index << NV40_VP_INST_INPUT_SRC_SHIFT); + if (src->indexed) { + shader->inst[0] |= NV40_VP_INST_INDEX_INPUT; + if (src->addr_reg) + shader->inst[0] |= NV40_VP_INST_ADDR_REG_SELECT_1; + else + shader->inst[0] &= ~NV40_VP_INST_ADDR_REG_SELECT_1; + shader->inst[0] &= ~NV40_VP_INST_ADDR_SWZ_SHIFT; + shader->inst[0] |= (src->addr_comp << NV40_VP_INST_ADDR_SWZ_SHIFT); + } else + shader->inst[0] &= ~NV40_VP_INST_INDEX_INPUT; + break; + case NVS_FILE_CONST: + hw |= (NV40_VP_SRC_REG_TYPE_CONST << NV40_VP_SRC_REG_TYPE_SHIFT); + + shader->inst[1] &= ~NV40_VP_INST_CONST_SRC_MASK; + shader->inst[1] |= (src->index << NV40_VP_INST_CONST_SRC_SHIFT); + if (src->indexed) { + shader->inst[3] |= NV40_VP_INST_INDEX_CONST; + if (src->addr_reg) + shader->inst[0] |= NV40_VP_INST_ADDR_REG_SELECT_1; + else + shader->inst[0] &= ~NV40_VP_INST_ADDR_REG_SELECT_1; + shader->inst[0] &= ~NV40_VP_INST_ADDR_SWZ_MASK; + shader->inst[0] |= (src->addr_comp << NV40_VP_INST_ADDR_SWZ_SHIFT); + } else + shader->inst[3] &= ~NV40_VP_INST_INDEX_CONST; + break; + case NVS_FILE_TEMP: + hw |= (NV40_VP_SRC_REG_TYPE_TEMP << NV40_VP_SRC_REG_TYPE_SHIFT); + hw |= (src->index << NV40_VP_SRC_TEMP_SRC_SHIFT); + break; + default: + fprintf(stderr, "unknown source file %d\n", src->file); + assert(0); + break; + } + + if (src->file != NVS_FILE_ADDRESS) { + if (src->negate) + hw |= NV40_VP_SRC_NEGATE; + if (src->abs) + shader->inst[0] |= (1 << (21 + pos)); + else + shader->inst[0] &= ~(1 << (21 + pos)); + hw |= (src->swizzle[0] << NV40_VP_SRC_SWZ_X_SHIFT); + hw |= (src->swizzle[1] << NV40_VP_SRC_SWZ_Y_SHIFT); + hw |= (src->swizzle[2] << NV40_VP_SRC_SWZ_Z_SHIFT); + hw |= (src->swizzle[3] << NV40_VP_SRC_SWZ_W_SHIFT); + + NV40VPInsertSource(shader, hw, pos); + } +} + +static void +NV40VPInitInstruction(nvsFunc *shader) +{ + unsigned int hwsrc = 0; + + shader->inst[0] = /*NV40_VP_INST_VEC_RESULT | */ + NV40_VP_INST_VEC_DEST_TEMP_MASK | (1<<20); + shader->inst[1] = 0; + shader->inst[2] = 0; + shader->inst[3] = NV40_VP_INST_SCA_RESULT | + NV40_VP_INST_SCA_DEST_TEMP_MASK | + NV40_VP_INST_DEST_MASK; + + hwsrc = (NV40_VP_SRC_REG_TYPE_INPUT << NV40_VP_SRC_REG_TYPE_SHIFT) | + (NVS_SWZ_X << NV40_VP_SRC_SWZ_X_SHIFT) | + (NVS_SWZ_Y << NV40_VP_SRC_SWZ_Y_SHIFT) | + (NVS_SWZ_Z << NV40_VP_SRC_SWZ_Z_SHIFT) | + (NVS_SWZ_W << NV40_VP_SRC_SWZ_W_SHIFT); + NV40VPInsertSource(shader, hwsrc, 0); + NV40VPInsertSource(shader, hwsrc, 1); + NV40VPInsertSource(shader, hwsrc, 2); +} + +static void +NV40VPSetLastInst(nvsFunc *shader) +{ + shader->inst[3] |= 1; +} + +/***************************************************************************** + * Disassembly routines + */ +static int +NV40VPHasMergedInst(nvsFunc * shader) +{ + if (shader->GetOpcodeHW(shader, 0) != NV40_VP_INST_OP_NOP && + shader->GetOpcodeHW(shader, 1) != NV40_VP_INST_OP_NOP) + return 1; + return 0; +} + +static unsigned int +NV40VPGetOpcodeHW(nvsFunc * shader, int slot) +{ + int op; + + if (slot) + op = (shader->inst[1] & NV40_VP_INST_SCA_OPCODE_MASK) + >> NV40_VP_INST_SCA_OPCODE_SHIFT; + else + op = (shader->inst[1] & NV40_VP_INST_VEC_OPCODE_MASK) + >> NV40_VP_INST_VEC_OPCODE_SHIFT; + + return op; +} + +static nvsRegFile +NV40VPGetDestFile(nvsFunc * shader, int merged) +{ + nvsOpcode op; + + op = shader->GetOpcode(shader, merged); + switch (op) { + case NVS_OP_ARL: + case NVS_OP_ARR: + case NVS_OP_ARA: + case NVS_OP_POPA: + return NVS_FILE_ADDRESS; + default: + if (shader->GetOpcodeSlot(shader, merged)) { + if (shader->inst[3] & NV40_VP_INST_SCA_RESULT) + return NVS_FILE_RESULT; + } + else { + if (shader->inst[0] & NV40_VP_INST_VEC_RESULT) + return NVS_FILE_RESULT; + } + return NVS_FILE_TEMP; + } + +} + +static unsigned int +NV40VPGetDestID(nvsFunc * shader, int merged) +{ + int id; + + switch (shader->GetDestFile(shader, merged)) { + case NVS_FILE_RESULT: + id = ((shader->inst[3] & NV40_VP_INST_DEST_MASK) + >> NV40_VP_INST_DEST_SHIFT); + switch (id) { + case NV40_VP_INST_DEST_POS : return NVS_FR_POSITION; + case NV40_VP_INST_DEST_COL0: return NVS_FR_COL0; + case NV40_VP_INST_DEST_COL1: return NVS_FR_COL1; + case NV40_VP_INST_DEST_BFC0: return NVS_FR_BFC0; + case NV40_VP_INST_DEST_BFC1: return NVS_FR_BFC1; + case NV40_VP_INST_DEST_FOGC: { + int mask = shader->GetDestMask(shader, merged); + switch (mask) { + case SMASK_X: return NVS_FR_FOGCOORD; + case SMASK_Y: return NVS_FR_CLIP0; + case SMASK_Z: return NVS_FR_CLIP1; + case SMASK_W: return NVS_FR_CLIP2; + default: + printf("more than 1 mask component set in FOGC writemask!\n"); + return NVS_FR_UNKNOWN; + } + } + case NV40_VP_INST_DEST_PSZ: + { + int mask = shader->GetDestMask(shader, merged); + switch (mask) { + case SMASK_X: return NVS_FR_POINTSZ; + case SMASK_Y: return NVS_FR_CLIP3; + case SMASK_Z: return NVS_FR_CLIP4; + case SMASK_W: return NVS_FR_CLIP5; + default: + printf("more than 1 mask component set in PSZ writemask!\n"); + return NVS_FR_UNKNOWN; + } + } + case NV40_VP_INST_DEST_TC(0): return NVS_FR_TEXCOORD0; + case NV40_VP_INST_DEST_TC(1): return NVS_FR_TEXCOORD1; + case NV40_VP_INST_DEST_TC(2): return NVS_FR_TEXCOORD2; + case NV40_VP_INST_DEST_TC(3): return NVS_FR_TEXCOORD3; + case NV40_VP_INST_DEST_TC(4): return NVS_FR_TEXCOORD4; + case NV40_VP_INST_DEST_TC(5): return NVS_FR_TEXCOORD5; + case NV40_VP_INST_DEST_TC(6): return NVS_FR_TEXCOORD6; + case NV40_VP_INST_DEST_TC(7): return NVS_FR_TEXCOORD7; + default: + return -1; + } + case NVS_FILE_ADDRESS: + /* Instructions that write address regs are encoded as if + * they would write temps. + */ + case NVS_FILE_TEMP: + if (shader->GetOpcodeSlot(shader, merged)) + id = ((shader->inst[3] & NV40_VP_INST_SCA_DEST_TEMP_MASK) + >> NV40_VP_INST_SCA_DEST_TEMP_SHIFT); + else + id = ((shader->inst[0] & NV40_VP_INST_VEC_DEST_TEMP_MASK) + >> NV40_VP_INST_VEC_DEST_TEMP_SHIFT); + return id; + default: + return -1; + } +} + +static unsigned int +NV40VPGetDestMask(nvsFunc * shader, int merged) +{ + unsigned int mask = 0; + + if (shader->GetOpcodeSlot(shader, merged)) { + if (shader->inst[3] & NV40_VP_INST_SCA_WRITEMASK_X) mask |= SMASK_X; + if (shader->inst[3] & NV40_VP_INST_SCA_WRITEMASK_Y) mask |= SMASK_Y; + if (shader->inst[3] & NV40_VP_INST_SCA_WRITEMASK_Z) mask |= SMASK_Z; + if (shader->inst[3] & NV40_VP_INST_SCA_WRITEMASK_W) mask |= SMASK_W; + } else { + if (shader->inst[3] & NV40_VP_INST_VEC_WRITEMASK_X) mask |= SMASK_X; + if (shader->inst[3] & NV40_VP_INST_VEC_WRITEMASK_Y) mask |= SMASK_Y; + if (shader->inst[3] & NV40_VP_INST_VEC_WRITEMASK_Z) mask |= SMASK_Z; + if (shader->inst[3] & NV40_VP_INST_VEC_WRITEMASK_W) mask |= SMASK_W; + } + + return mask; +} + +static unsigned int +NV40VPGetSourceHW(nvsFunc * shader, int merged, int pos) +{ + struct _op_xlat *opr; + unsigned int src; + + opr = shader->GetOPTXRec(shader, merged); + if (!opr) + return -1; + + switch (opr->srcpos[pos]) { + case 0: + src = ((shader->inst[1] & NV40_VP_INST_SRC0H_MASK) + >> NV40_VP_INST_SRC0H_SHIFT) + << NV40_VP_SRC0_HIGH_SHIFT; + src |= ((shader->inst[2] & NV40_VP_INST_SRC0L_MASK) + >> NV40_VP_INST_SRC0L_SHIFT); + break; + case 1: + src = ((shader->inst[2] & NV40_VP_INST_SRC1_MASK) + >> NV40_VP_INST_SRC1_SHIFT); + break; + case 2: + src = ((shader->inst[2] & NV40_VP_INST_SRC2H_MASK) + >> NV40_VP_INST_SRC2H_SHIFT) + << NV40_VP_SRC2_HIGH_SHIFT; + src |= ((shader->inst[3] & NV40_VP_INST_SRC2L_MASK) + >> NV40_VP_INST_SRC2L_SHIFT); + break; + default: + src = -1; + } + + return src; +} + +static nvsRegFile +NV40VPGetSourceFile(nvsFunc * shader, int merged, int pos) +{ + unsigned int src; + struct _op_xlat *opr; + int file; + + opr = shader->GetOPTXRec(shader, merged); + if (!opr || opr->srcpos[pos] == -1) + return -1; + + switch (opr->srcpos[pos]) { + case SPOS_ADDRESS: return NVS_FILE_ADDRESS; + default: + src = shader->GetSourceHW(shader, merged, pos); + file = (src & NV40_VP_SRC_REG_TYPE_MASK) >> NV40_VP_SRC_REG_TYPE_SHIFT; + + switch (file) { + case NV40_VP_SRC_REG_TYPE_TEMP : return NVS_FILE_TEMP; + case NV40_VP_SRC_REG_TYPE_INPUT: return NVS_FILE_ATTRIB; + case NV40_VP_SRC_REG_TYPE_CONST: return NVS_FILE_CONST; + default: + return NVS_FILE_UNKNOWN; + } + } +} + +static int +NV40VPGetSourceID(nvsFunc * shader, int merged, int pos) +{ + switch (shader->GetSourceFile(shader, merged, pos)) { + case NVS_FILE_ATTRIB: + switch ((shader->inst[1] & NV40_VP_INST_INPUT_SRC_MASK) + >> NV40_VP_INST_INPUT_SRC_SHIFT) { + case NV40_VP_INST_IN_POS: return NVS_FR_POSITION; + case NV40_VP_INST_IN_WEIGHT: return NVS_FR_WEIGHT; + case NV40_VP_INST_IN_NORMAL: return NVS_FR_NORMAL; + case NV40_VP_INST_IN_COL0: return NVS_FR_COL0; + case NV40_VP_INST_IN_COL1: return NVS_FR_COL1; + case NV40_VP_INST_IN_FOGC: return NVS_FR_FOGCOORD; + case NV40_VP_INST_IN_TC(0): return NVS_FR_TEXCOORD0; + case NV40_VP_INST_IN_TC(1): return NVS_FR_TEXCOORD1; + case NV40_VP_INST_IN_TC(2): return NVS_FR_TEXCOORD2; + case NV40_VP_INST_IN_TC(3): return NVS_FR_TEXCOORD3; + case NV40_VP_INST_IN_TC(4): return NVS_FR_TEXCOORD4; + case NV40_VP_INST_IN_TC(5): return NVS_FR_TEXCOORD5; + case NV40_VP_INST_IN_TC(6): return NVS_FR_TEXCOORD6; + case NV40_VP_INST_IN_TC(7): return NVS_FR_TEXCOORD7; + default: + return -1; + } + break; + case NVS_FILE_CONST: + return ((shader->inst[1] & NV40_VP_INST_CONST_SRC_MASK) + >> NV40_VP_INST_CONST_SRC_SHIFT); + case NVS_FILE_TEMP: + { + unsigned int src; + + src = shader->GetSourceHW(shader, merged, pos); + return ((src & NV40_VP_SRC_TEMP_SRC_MASK) >> + NV40_VP_SRC_TEMP_SRC_SHIFT); + } + default: + return -1; + } +} + +static int +NV40VPGetSourceNegate(nvsFunc * shader, int merged, int pos) +{ + unsigned int src; + + src = shader->GetSourceHW(shader, merged, pos); + + if (src == -1) + return -1; + return ((src & NV40_VP_SRC_NEGATE) ? 1 : 0); +} + +static void +NV40VPGetSourceSwizzle(nvsFunc * shader, int merged, int pos, nvsSwzComp *swz) +{ + unsigned int src; + int swzbits; + + src = shader->GetSourceHW(shader, merged, pos); + swzbits = (src & NV40_VP_SRC_SWZ_ALL_MASK) >> NV40_VP_SRC_SWZ_ALL_SHIFT; + NV20VPTXSwizzle(swzbits, swz); +} + +static int +NV40VPGetSourceIndexed(nvsFunc * shader, int merged, int pos) +{ + switch (shader->GetSourceFile(shader, merged, pos)) { + case NVS_FILE_ATTRIB: + return ((shader->inst[0] & NV40_VP_INST_INDEX_INPUT) ? 1 : 0); + case NVS_FILE_CONST: + return ((shader->inst[3] & NV40_VP_INST_INDEX_CONST) ? 1 : 0); + default: + return 0; + } +} + +static nvsSwzComp +NV40VPGetAddressRegSwizzle(nvsFunc * shader) +{ + nvsSwzComp swz; + + swz = NV20VP_TX_SWIZZLE[(shader->inst[0] & NV40_VP_INST_ADDR_SWZ_MASK) + >> NV40_VP_INST_ADDR_SWZ_SHIFT]; + return swz; +} + +static int +NV40VPSupportsConditional(nvsFunc * shader) +{ + /*FIXME: Is this true of all ops? */ + return 1; +} + +static int +NV40VPGetConditionUpdate(nvsFunc * shader) +{ + return ((shader->inst[0] & NV40_VP_INST_COND_UPDATE_ENABLE) ? 1 : 0); +} + +static int +NV40VPGetConditionTest(nvsFunc * shader) +{ + int op; + + /* The condition test is unconditionally enabled on some + * instructions. ie: the condition test bit does *NOT* have + * to be set. + * + * FIXME: check other relevant ops for this situation. + */ + op = shader->GetOpcodeHW(shader, 1); + switch (op) { + case NV40_VP_INST_OP_BRA: + return 1; + default: + return ((shader->inst[0] & NV40_VP_INST_COND_TEST_ENABLE) ? 1 : 0); + } +} + +static nvsCond +NV40VPGetCondition(nvsFunc * shader) +{ + int cond; + + cond = ((shader->inst[0] & NV40_VP_INST_COND_MASK) + >> NV40_VP_INST_COND_SHIFT); + + switch (cond) { + case NV40_VP_INST_COND_FL: return NVS_COND_FL; + case NV40_VP_INST_COND_LT: return NVS_COND_LT; + case NV40_VP_INST_COND_EQ: return NVS_COND_EQ; + case NV40_VP_INST_COND_LE: return NVS_COND_LE; + case NV40_VP_INST_COND_GT: return NVS_COND_GT; + case NV40_VP_INST_COND_NE: return NVS_COND_NE; + case NV40_VP_INST_COND_GE: return NVS_COND_GE; + case NV40_VP_INST_COND_TR: return NVS_COND_TR; + default: + return NVS_COND_UNKNOWN; + } +} + +static void +NV40VPGetCondRegSwizzle(nvsFunc * shader, nvsSwzComp *swz) +{ + int swzbits; + + swzbits = (shader->inst[0] & NV40_VP_INST_COND_SWZ_ALL_MASK) + >> NV40_VP_INST_COND_SWZ_ALL_SHIFT; + NV20VPTXSwizzle(swzbits, swz); +} + +static int +NV40VPGetCondRegID(nvsFunc * shader) +{ + return ((shader->inst[0] & NV40_VP_INST_COND_REG_SELECT_1) ? 1 : 0); +} + +static int +NV40VPGetBranch(nvsFunc * shader) +{ + int addr; + + addr = ((shader->inst[2] & NV40_VP_INST_IADDRH_MASK) + >> NV40_VP_INST_IADDRH_SHIFT) << 3; + addr |= ((shader->inst[3] & NV40_VP_INST_IADDRL_MASK) + >> NV40_VP_INST_IADDRL_SHIFT); + return addr; +} + +void +NV40VPInitShaderFuncs(nvsFunc * shader) +{ + /* Inherit NV30 VP code, we share some of it */ + NV30VPInitShaderFuncs(shader); + + /* Limits */ + shader->MaxInst = 4096; + shader->MaxAttrib = 16; + shader->MaxTemp = 32; + shader->MaxAddress = 2; + shader->MaxConst = 256; + shader->caps = SCAP_SRC_ABS; + + /* Add extra opcodes for NV40+ */ +// MOD_OPCODE(NVVP_TX_VOP, NV40_VP_INST_OP_TXWHAT, NVS_OP_TEX , 0, 4, -1); + MOD_OPCODE(NVVP_TX_SOP, NV40_VP_INST_OP_PUSHA, NVS_OP_PUSHA, 3, -1, -1); + MOD_OPCODE(NVVP_TX_SOP, NV40_VP_INST_OP_POPA , NVS_OP_POPA , -1, -1, -1); + + shader->InitInstruction = NV40VPInitInstruction; + shader->SupportsOpcode = NV40VPSupportsOpcode; + shader->SetOpcode = NV40VPSetOpcode; + shader->SetCCUpdate = NV40VPSetCCUpdate; + shader->SetCondition = NV40VPSetCondition; + shader->SetResult = NV40VPSetResult; + shader->SetSource = NV40VPSetSource; + shader->SetLastInst = NV40VPSetLastInst; + + shader->HasMergedInst = NV40VPHasMergedInst; + shader->GetOpcodeHW = NV40VPGetOpcodeHW; + + shader->GetDestFile = NV40VPGetDestFile; + shader->GetDestID = NV40VPGetDestID; + shader->GetDestMask = NV40VPGetDestMask; + + shader->GetSourceHW = NV40VPGetSourceHW; + shader->GetSourceFile = NV40VPGetSourceFile; + shader->GetSourceID = NV40VPGetSourceID; + shader->GetSourceNegate = NV40VPGetSourceNegate; + shader->GetSourceSwizzle = NV40VPGetSourceSwizzle; + shader->GetSourceIndexed = NV40VPGetSourceIndexed; + + shader->GetRelAddressSwizzle = NV40VPGetAddressRegSwizzle; + + shader->SupportsConditional = NV40VPSupportsConditional; + shader->GetConditionUpdate = NV40VPGetConditionUpdate; + shader->GetConditionTest = NV40VPGetConditionTest; + shader->GetCondition = NV40VPGetCondition; + shader->GetCondRegSwizzle = NV40VPGetCondRegSwizzle; + shader->GetCondRegID = NV40VPGetCondRegID; + + shader->GetBranch = NV40VPGetBranch; +} |