diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv20_vertprog.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv20_vertprog.c | 447 |
1 files changed, 447 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv20_vertprog.c b/src/mesa/drivers/dri/nouveau/nv20_vertprog.c new file mode 100644 index 0000000000..60cfcd7056 --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nv20_vertprog.c @@ -0,0 +1,447 @@ +#include "nouveau_context.h" +#include "nouveau_object.h" +#include "nouveau_fifo.h" +#include "nouveau_reg.h" + +#include "nouveau_shader.h" +#include "nv20_shader.h" + +unsigned int NVVP_TX_VOP_COUNT = 16; +unsigned int NVVP_TX_NVS_OP_COUNT = 16; +struct _op_xlat NVVP_TX_VOP[32]; +struct _op_xlat NVVP_TX_SOP[32]; + +nvsSwzComp NV20VP_TX_SWIZZLE[4] = { NVS_SWZ_X, NVS_SWZ_Y, NVS_SWZ_Z, NVS_SWZ_W }; + +/***************************************************************************** + * Support routines + */ +static void +NV20VPUploadToHW(GLcontext *ctx, nouveauShader *nvs) +{ + nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); + int i; + + /* XXX: missing a way to say what insn we're uploading from, and possible + * the program start position (if NV20 has one) */ + for (i=0; i<nvs->program_size; i+=4) { + BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_VP_UPLOAD_INST0, 4); + OUT_RING(nvs->program[i + 0]); + OUT_RING(nvs->program[i + 1]); + OUT_RING(nvs->program[i + 2]); + OUT_RING(nvs->program[i + 3]); + } +} + +static void +NV20VPUpdateConst(GLcontext *ctx, nouveauShader *nvs, int id) +{ + nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); + + /* Worth checking if the value *actually* changed? Mesa doesn't tell us this + * as far as I know.. + */ + BEGIN_RING_SIZE(NvSub3D, NV30_TCL_PRIMITIVE_3D_VP_UPLOAD_CONST_ID, 1); + OUT_RING (id); + BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_VP_UPLOAD_CONST_X, 4); + OUT_RINGf(nvs->params[id].source_val[0]); + OUT_RINGf(nvs->params[id].source_val[1]); + OUT_RINGf(nvs->params[id].source_val[2]); + OUT_RINGf(nvs->params[id].source_val[3]); +} + +/***************************************************************************** + * Assembly routines + */ + +/***************************************************************************** + * Disassembly routines + */ +void +NV20VPTXSwizzle(int hwswz, nvsSwzComp *swz) +{ + swz[NVS_SWZ_X] = NV20VP_TX_SWIZZLE[(hwswz & 0xC0) >> 6]; + swz[NVS_SWZ_Y] = NV20VP_TX_SWIZZLE[(hwswz & 0x30) >> 4]; + swz[NVS_SWZ_Z] = NV20VP_TX_SWIZZLE[(hwswz & 0x0C) >> 2]; + swz[NVS_SWZ_W] = NV20VP_TX_SWIZZLE[(hwswz & 0x03) >> 0]; +} + +static int +NV20VPHasMergedInst(nvsFunc * shader) +{ + if (shader->GetOpcodeHW(shader, 0) != NV20_VP_INST_OPCODE_NOP && + shader->GetOpcodeHW(shader, 1) != NV20_VP_INST_OPCODE_NOP) + printf + ("\n\n*****both opcode fields have values - PLEASE REPORT*****\n"); + return 0; +} + +static int +NV20VPIsLastInst(nvsFunc * shader) +{ + return ((shader->inst[3] & (1 << 0)) ? 1 : 0); +} + +static int +NV20VPGetOffsetNext(nvsFunc * shader) +{ + return 4; +} + +static struct _op_xlat * +NV20VPGetOPTXRec(nvsFunc * shader, int merged) +{ + struct _op_xlat *opr; + int op; + + if (shader->GetOpcodeSlot(shader, merged)) { + opr = NVVP_TX_SOP; + op = shader->GetOpcodeHW(shader, 1); + if (op >= NVVP_TX_NVS_OP_COUNT) + return NULL; + } + else { + opr = NVVP_TX_VOP; + op = shader->GetOpcodeHW(shader, 0); + if (op >= NVVP_TX_VOP_COUNT) + return NULL; + } + + if (opr[op].SOP == NVS_OP_UNKNOWN) + return NULL; + return &opr[op]; +} + +static struct _op_xlat * +NV20VPGetOPTXFromSOP(nvsOpcode sop, int *id) +{ + int i; + + for (i=0;i<NVVP_TX_VOP_COUNT;i++) { + if (NVVP_TX_VOP[i].SOP == sop) { + if (id) *id = 0; + return &NVVP_TX_VOP[i]; + } + } + + for (i=0;i<NVVP_TX_NVS_OP_COUNT;i++) { + if (NVVP_TX_SOP[i].SOP == sop) { + if (id) *id = 1; + return &NVVP_TX_SOP[i]; + } + } + + return NULL; +} + +static int +NV20VPGetOpcodeSlot(nvsFunc * shader, int merged) +{ + if (shader->HasMergedInst(shader)) + return merged; + if (shader->GetOpcodeHW(shader, 0) == NV20_VP_INST_OPCODE_NOP) + return 1; + return 0; +} + +static nvsOpcode +NV20VPGetOpcode(nvsFunc * shader, int merged) +{ + struct _op_xlat *opr; + + opr = shader->GetOPTXRec(shader, merged); + if (!opr) + return NVS_OP_UNKNOWN; + + return opr->SOP; +} + +static nvsOpcode +NV20VPGetOpcodeHW(nvsFunc * shader, int slot) +{ + if (slot) + return (shader->inst[1] & NV20_VP_INST_SCA_OPCODE_MASK) + >> NV20_VP_INST_SCA_OPCODE_SHIFT; + return (shader->inst[1] & NV20_VP_INST_VEC_OPCODE_MASK) + >> NV20_VP_INST_VEC_OPCODE_SHIFT; +} + +static nvsRegFile +NV20VPGetDestFile(nvsFunc * shader, int merged) +{ + switch (shader->GetOpcode(shader, merged)) { + case NVS_OP_ARL: + return NVS_FILE_ADDRESS; + default: + /*FIXME: This probably isn't correct.. */ + if ((shader->inst[3] & NV20_VP_INST_DEST_WRITEMASK_MASK) == 0) + return NVS_FILE_TEMP; + return NVS_FILE_RESULT; + } +} + +static unsigned int +NV20VPGetDestID(nvsFunc * shader, int merged) +{ + int id; + + switch (shader->GetDestFile(shader, merged)) { + case NVS_FILE_RESULT: + id = ((shader->inst[3] & NV20_VP_INST_DEST_MASK) + >> NV20_VP_INST_DEST_SHIFT); + switch (id) { + case NV20_VP_INST_DEST_POS : return NVS_FR_POSITION; + case NV20_VP_INST_DEST_COL0 : return NVS_FR_COL0; + case NV20_VP_INST_DEST_COL1 : return NVS_FR_COL1; + case NV20_VP_INST_DEST_TC(0): return NVS_FR_TEXCOORD0; + case NV20_VP_INST_DEST_TC(1): return NVS_FR_TEXCOORD1; + case NV20_VP_INST_DEST_TC(2): return NVS_FR_TEXCOORD2; + case NV20_VP_INST_DEST_TC(3): return NVS_FR_TEXCOORD3; + default: + return -1; + } + case NVS_FILE_ADDRESS: + return 0; + case NVS_FILE_TEMP: + id = ((shader->inst[3] & NV20_VP_INST_DEST_TEMP_ID_MASK) + >> NV20_VP_INST_DEST_TEMP_ID_SHIFT); + return id; + default: + return -1; + } +} + +static unsigned int +NV20VPGetDestMask(nvsFunc * shader, int merged) +{ + int hwmask, mask = 0; + + /* Special handling for ARL - hardware only supports a + * 1-component address reg + */ + if (shader->GetOpcode(shader, merged) == NVS_OP_ARL) + return SMASK_X; + + if (shader->GetDestFile(shader, merged) == NVS_FILE_RESULT) + hwmask = (shader->inst[3] & NV20_VP_INST_DEST_WRITEMASK_MASK) + >> NV20_VP_INST_DEST_WRITEMASK_SHIFT; + else if (shader->GetOpcodeSlot(shader, merged)) + hwmask = (shader->inst[3] & NV20_VP_INST_STEMP_WRITEMASK_MASK) + >> NV20_VP_INST_STEMP_WRITEMASK_SHIFT; + else + hwmask = (shader->inst[3] & NV20_VP_INST_VTEMP_WRITEMASK_MASK) + >> NV20_VP_INST_VTEMP_WRITEMASK_SHIFT; + + if (hwmask & (1 << 3)) mask |= SMASK_X; + if (hwmask & (1 << 2)) mask |= SMASK_Y; + if (hwmask & (1 << 1)) mask |= SMASK_Z; + if (hwmask & (1 << 0)) mask |= SMASK_W; + + return mask; +} + +static unsigned int +NV20VPGetSourceHW(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] & NV20_VP_INST_SRC0H_MASK) + >> NV20_VP_INST_SRC0H_SHIFT) + << NV20_VP_SRC0_HIGH_SHIFT; + src |= ((shader->inst[2] & NV20_VP_INST_SRC0L_MASK) + >> NV20_VP_INST_SRC0L_SHIFT); + break; + case 1: + src = ((shader->inst[2] & NV20_VP_INST_SRC1_MASK) + >> NV20_VP_INST_SRC1_SHIFT); + break; + case 2: + src = ((shader->inst[2] & NV20_VP_INST_SRC2H_MASK) + >> NV20_VP_INST_SRC2H_SHIFT) + << NV20_VP_SRC2_HIGH_SHIFT; + src |= ((shader->inst[3] & NV20_VP_INST_SRC2L_MASK) + >> NV20_VP_INST_SRC2L_SHIFT); + break; + default: + src = -1; + } + + return src; +} + +static nvsRegFile +NV20VPGetSourceFile(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 = NV20VPGetSourceHW(shader, merged, pos); + file = (src & NV20_VP_SRC_REG_TYPE_MASK) >> NV20_VP_SRC_REG_TYPE_SHIFT; + + switch (file) { + case NV20_VP_SRC_REG_TYPE_TEMP : return NVS_FILE_TEMP; + case NV20_VP_SRC_REG_TYPE_INPUT: return NVS_FILE_ATTRIB; + case NV20_VP_SRC_REG_TYPE_CONST: return NVS_FILE_CONST; + default: + return NVS_FILE_UNKNOWN; + } + } +} + +static int +NV20VPGetSourceID(nvsFunc * shader, int merged, int pos) +{ + unsigned int src; + + switch (shader->GetSourceFile(shader, merged, pos)) { + case NVS_FILE_TEMP: + src = shader->GetSourceHW(shader, merged, pos); + return ((src & NV20_VP_SRC_REG_TEMP_ID_MASK) >> + NV20_VP_SRC_REG_TEMP_ID_SHIFT); + case NVS_FILE_CONST: + return ((shader->inst[1] & NV20_VP_INST_CONST_SRC_MASK) + >> NV20_VP_INST_CONST_SRC_SHIFT); + case NVS_FILE_ATTRIB: + src = ((shader->inst[1] & NV20_VP_INST_INPUT_SRC_MASK) + >> NV20_VP_INST_INPUT_SRC_SHIFT); + switch (src) { + case NV20_VP_INST_INPUT_SRC_POS : return NVS_FR_POSITION; + case NV20_VP_INST_INPUT_SRC_COL0 : return NVS_FR_COL0; + case NV20_VP_INST_INPUT_SRC_COL1 : return NVS_FR_COL1; + case NV20_VP_INST_INPUT_SRC_TC(0): return NVS_FR_TEXCOORD0; + case NV20_VP_INST_INPUT_SRC_TC(1): return NVS_FR_TEXCOORD1; + case NV20_VP_INST_INPUT_SRC_TC(2): return NVS_FR_TEXCOORD2; + case NV20_VP_INST_INPUT_SRC_TC(3): return NVS_FR_TEXCOORD3; + default: + return NVS_FR_UNKNOWN; + } + default: + return -1; + } +} + +static int +NV20VPGetSourceNegate(nvsFunc * shader, int merged, int pos) +{ + unsigned int src; + + src = shader->GetSourceHW(shader, merged, pos); + + return ((src & NV20_VP_SRC_REG_NEGATE) ? 1 : 0); +} + +static int +NV20VPGetSourceAbs(nvsFunc * shader, int merged, int pos) +{ + /* NV20 can't do ABS on sources? Appears to be emulated with + * MAX reg, reg, -reg + */ + return 0; +} + +static void +NV20VPGetSourceSwizzle(nvsFunc * shader, int merged, int pos, nvsSwzComp *swz) +{ + unsigned int src; + int swzbits; + + src = shader->GetSourceHW(shader, merged, pos); + swzbits = + (src & NV20_VP_SRC_REG_SWZ_ALL_MASK) >> NV20_VP_SRC_REG_SWZ_ALL_SHIFT; + return NV20VPTXSwizzle(swzbits, swz); +} + +static int +NV20VPGetSourceIndexed(nvsFunc * shader, int merged, int pos) +{ + /* I don't think NV20 can index into attribs, at least no GL + * extension is exposed that will allow it. + */ + if (shader->GetSourceFile(shader, merged, pos) != NVS_FILE_CONST) + return 0; + if (shader->inst[3] & NV20_VP_INST_INDEX_CONST) + return 1; + return 0; +} + +static int +NV20VPGetAddressRegID(nvsFunc * shader) +{ + /* Only 1 address reg */ + return 0; +} + +static nvsSwzComp +NV20VPGetAddressRegSwizzle(nvsFunc * shader) +{ + /* Only A0.x available */ + return NVS_SWZ_X; +} + +void +NV20VPInitShaderFuncs(nvsFunc * shader) +{ + MOD_OPCODE(NVVP_TX_VOP, NV20_VP_INST_OPCODE_NOP, NVS_OP_NOP, -1, -1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV20_VP_INST_OPCODE_MOV, NVS_OP_MOV, 0, -1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV20_VP_INST_OPCODE_MUL, NVS_OP_MUL, 0, 1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV20_VP_INST_OPCODE_ADD, NVS_OP_ADD, 0, 2, -1); + MOD_OPCODE(NVVP_TX_VOP, NV20_VP_INST_OPCODE_MAD, NVS_OP_MAD, 0, 1, 2); + MOD_OPCODE(NVVP_TX_VOP, NV20_VP_INST_OPCODE_DP3, NVS_OP_DP3, 0, 1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV20_VP_INST_OPCODE_DPH, NVS_OP_DPH, 0, 1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV20_VP_INST_OPCODE_DP4, NVS_OP_DP4, 0, 1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV20_VP_INST_OPCODE_DST, NVS_OP_DST, 0, 1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV20_VP_INST_OPCODE_MIN, NVS_OP_MIN, 0, 1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV20_VP_INST_OPCODE_MAX, NVS_OP_MAX, 0, 1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV20_VP_INST_OPCODE_SLT, NVS_OP_SLT, 0, 1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV20_VP_INST_OPCODE_SGE, NVS_OP_SGE, 0, 1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV20_VP_INST_OPCODE_ARL, NVS_OP_ARL, 0, -1, -1); + + MOD_OPCODE(NVVP_TX_SOP, NV20_VP_INST_OPCODE_NOP, NVS_OP_NOP, -1, -1, -1); + MOD_OPCODE(NVVP_TX_SOP, NV20_VP_INST_OPCODE_RCP, NVS_OP_RCP, 2, -1, -1); + MOD_OPCODE(NVVP_TX_SOP, NV20_VP_INST_OPCODE_RCC, NVS_OP_RCC, 2, -1, -1); + MOD_OPCODE(NVVP_TX_SOP, NV20_VP_INST_OPCODE_RSQ, NVS_OP_RSQ, 2, -1, -1); + MOD_OPCODE(NVVP_TX_SOP, NV20_VP_INST_OPCODE_EXP, NVS_OP_EXP, 2, -1, -1); + MOD_OPCODE(NVVP_TX_SOP, NV20_VP_INST_OPCODE_LOG, NVS_OP_LOG, 2, -1, -1); + MOD_OPCODE(NVVP_TX_SOP, NV20_VP_INST_OPCODE_LIT, NVS_OP_LIT, 2, -1, -1); + + shader->UploadToHW = NV20VPUploadToHW; + shader->UpdateConst = NV20VPUpdateConst; + + shader->GetOPTXRec = NV20VPGetOPTXRec; + shader->GetOPTXFromSOP = NV20VPGetOPTXFromSOP; + + shader->HasMergedInst = NV20VPHasMergedInst; + shader->IsLastInst = NV20VPIsLastInst; + shader->GetOffsetNext = NV20VPGetOffsetNext; + shader->GetOpcodeSlot = NV20VPGetOpcodeSlot; + shader->GetOpcode = NV20VPGetOpcode; + shader->GetOpcodeHW = NV20VPGetOpcodeHW; + shader->GetDestFile = NV20VPGetDestFile; + shader->GetDestID = NV20VPGetDestID; + shader->GetDestMask = NV20VPGetDestMask; + shader->GetSourceHW = NV20VPGetSourceHW; + shader->GetSourceFile = NV20VPGetSourceFile; + shader->GetSourceID = NV20VPGetSourceID; + shader->GetSourceNegate = NV20VPGetSourceNegate; + shader->GetSourceAbs = NV20VPGetSourceAbs; + shader->GetSourceSwizzle = NV20VPGetSourceSwizzle; + shader->GetSourceIndexed = NV20VPGetSourceIndexed; + shader->GetRelAddressRegID = NV20VPGetAddressRegID; + shader->GetRelAddressSwizzle = NV20VPGetAddressRegSwizzle; +} |