diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv30_vertprog.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv30_vertprog.c | 356 |
1 files changed, 356 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv30_vertprog.c b/src/mesa/drivers/dri/nouveau/nv30_vertprog.c new file mode 100644 index 0000000000..e60422dad1 --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nv30_vertprog.c @@ -0,0 +1,356 @@ +#include "nouveau_context.h" +#include "nouveau_object.h" +#include "nouveau_fifo.h" +#include "nouveau_reg.h" + +#include "nouveau_shader.h" +#include "nv30_shader.h" + +extern nvsSwzComp NV20VP_TX_SWIZZLE[4]; +extern void NV20VPTXSwizzle(int hwswz, nvsSwzComp *swz); + +/***************************************************************************** + * Support routines + */ +static void +NV30VPUploadToHW(GLcontext *ctx, nouveauShader *nvs) +{ + nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); + int i; + + /* We can do better here and keep more than one VP on the hardware, and + * switch between them with PROGRAM_START_ID.. + */ + BEGIN_RING_SIZE(NvSub3D, NV30_TCL_PRIMITIVE_3D_VP_UPLOAD_FROM_ID, 1); + OUT_RING(0); + for (i=0; i<nvs->program_size; i+=4) { + BEGIN_RING_SIZE(NvSub3D, NV30_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]); + } + BEGIN_RING_SIZE(NvSub3D, NV30_TCL_PRIMITIVE_3D_VP_PROGRAM_START_ID, 1); + OUT_RING(0); +} + +static void +NV30VPUpdateConst(GLcontext *ctx, nouveauShader *nvs, int id) +{ + nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); + GLfloat *val; + + val = nvs->params[id].source_val ? + nvs->params[id].source_val : nvs->params[id].val; + + BEGIN_RING_SIZE(NvSub3D, NV30_TCL_PRIMITIVE_3D_VP_UPLOAD_CONST_ID, 5); + OUT_RING (id); + OUT_RINGp(val, 4); +} + +/***************************************************************************** + * Assembly routines + */ + +/***************************************************************************** + * Disassembly routines + */ +static unsigned int +NV30VPGetOpcodeHW(nvsFunc * shader, int slot) +{ + int op; + + if (slot) { + op = (shader->inst[1] & NV30_VP_INST_SCA_OPCODEL_MASK) + >> NV30_VP_INST_SCA_OPCODEL_SHIFT; + op |= ((shader->inst[0] & NV30_VP_INST_SCA_OPCODEH_MASK) + >> NV30_VP_INST_SCA_OPCODEH_SHIFT) << 4; + } + else { + op = (shader->inst[1] & NV30_VP_INST_VEC_OPCODE_MASK) + >> NV30_VP_INST_VEC_OPCODE_SHIFT; + } + + return op; +} + +static nvsRegFile +NV30VPGetDestFile(nvsFunc * shader, int merged) +{ + switch (shader->GetOpcode(shader, merged)) { + case NVS_OP_ARL: + case NVS_OP_ARR: + case NVS_OP_ARA: + return NVS_FILE_ADDRESS; + default: + /*FIXME: This probably isn't correct.. */ + if ((shader->inst[3] & NV30_VP_INST_VDEST_WRITEMASK_MASK) != 0) + return NVS_FILE_RESULT; + if ((shader->inst[3] & NV30_VP_INST_SDEST_WRITEMASK_MASK) != 0) + return NVS_FILE_RESULT; + return NVS_FILE_TEMP; + } +} + +static unsigned int +NV30VPGetDestID(nvsFunc * shader, int merged) +{ + int id; + + switch (shader->GetDestFile(shader, merged)) { + case NVS_FILE_RESULT: + id = ((shader->inst[3] & NV30_VP_INST_DEST_ID_MASK) + >> NV30_VP_INST_DEST_ID_SHIFT); + switch (id) { + case NV30_VP_INST_DEST_POS : return NVS_FR_POSITION; + case NV30_VP_INST_DEST_COL0 : return NVS_FR_COL0; + case NV30_VP_INST_DEST_COL1 : return NVS_FR_COL1; + case NV30_VP_INST_DEST_TC(0): return NVS_FR_TEXCOORD0; + case NV30_VP_INST_DEST_TC(1): return NVS_FR_TEXCOORD1; + case NV30_VP_INST_DEST_TC(2): return NVS_FR_TEXCOORD2; + case NV30_VP_INST_DEST_TC(3): return NVS_FR_TEXCOORD3; + case NV30_VP_INST_DEST_TC(4): return NVS_FR_TEXCOORD4; + case NV30_VP_INST_DEST_TC(5): return NVS_FR_TEXCOORD5; + case NV30_VP_INST_DEST_TC(6): return NVS_FR_TEXCOORD6; + case NV30_VP_INST_DEST_TC(7): return NVS_FR_TEXCOORD7; + default: + return -1; + } + case NVS_FILE_ADDRESS: + case NVS_FILE_TEMP: + return (shader->inst[0] & NV30_VP_INST_DEST_TEMP_ID_MASK) + >> NV30_VP_INST_DEST_TEMP_ID_SHIFT; + default: + return -1; + } +} + +static unsigned int +NV30VPGetDestMask(nvsFunc * shader, int merged) +{ + int hwmask, mask = 0; + + if (shader->GetDestFile(shader, merged) == NVS_FILE_RESULT) + if (shader->GetOpcodeSlot(shader, merged)) + hwmask = (shader->inst[3] & NV30_VP_INST_SDEST_WRITEMASK_MASK) + >> NV30_VP_INST_SDEST_WRITEMASK_SHIFT; + else + hwmask = (shader->inst[3] & NV30_VP_INST_VDEST_WRITEMASK_MASK) + >> NV30_VP_INST_VDEST_WRITEMASK_SHIFT; + else if (shader->GetOpcodeSlot(shader, merged)) + hwmask = (shader->inst[3] & NV30_VP_INST_STEMP_WRITEMASK_MASK) + >> NV30_VP_INST_STEMP_WRITEMASK_SHIFT; + else + hwmask = (shader->inst[3] & NV30_VP_INST_VTEMP_WRITEMASK_MASK) + >> NV30_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 int +NV30VPGetSourceID(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 & NV30_VP_SRC_REG_TEMP_ID_MASK) >> + NV30_VP_SRC_REG_TEMP_ID_SHIFT); + case NVS_FILE_CONST: + return ((shader->inst[1] & NV30_VP_INST_CONST_SRC_MASK) + >> NV30_VP_INST_CONST_SRC_SHIFT); + case NVS_FILE_ATTRIB: + src = ((shader->inst[1] & NV30_VP_INST_INPUT_SRC_MASK) + >> NV30_VP_INST_INPUT_SRC_SHIFT); + switch (src) { + case NV30_VP_INST_IN_POS : return NVS_FR_POSITION; + case NV30_VP_INST_IN_COL0 : return NVS_FR_COL0; + case NV30_VP_INST_IN_COL1 : return NVS_FR_COL1; + case NV30_VP_INST_IN_TC(0): return NVS_FR_TEXCOORD0; + case NV30_VP_INST_IN_TC(1): return NVS_FR_TEXCOORD1; + case NV30_VP_INST_IN_TC(2): return NVS_FR_TEXCOORD2; + case NV30_VP_INST_IN_TC(3): return NVS_FR_TEXCOORD3; + case NV30_VP_INST_IN_TC(4): return NVS_FR_TEXCOORD4; + case NV30_VP_INST_IN_TC(5): return NVS_FR_TEXCOORD5; + case NV30_VP_INST_IN_TC(6): return NVS_FR_TEXCOORD6; + case NV30_VP_INST_IN_TC(7): return NVS_FR_TEXCOORD7; + default: + return NVS_FR_UNKNOWN; + } + default: + return -1; + } +} + +static int +NV30VPGetSourceAbs(nvsFunc * shader, int merged, int pos) +{ + struct _op_xlat *opr; + static unsigned int abspos[3] = { + NV30_VP_INST_SRC0_ABS, + NV30_VP_INST_SRC1_ABS, + NV30_VP_INST_SRC2_ABS, + }; + + opr = shader->GetOPTXRec(shader, merged); + if (!opr || opr->srcpos[pos] == -1 || opr->srcpos[pos] > 2) + return 0; + + return ((shader->inst[0] & abspos[opr->srcpos[pos]]) ? 1 : 0); +} + +static int +NV30VPGetRelAddressRegID(nvsFunc * shader) +{ + return ((shader->inst[0] & NV30_VP_INST_ADDR_REG_SELECT_1) ? 1 : 0); +} + +static nvsSwzComp +NV30VPGetRelAddressSwizzle(nvsFunc * shader) +{ + nvsSwzComp swz; + + swz = NV20VP_TX_SWIZZLE[(shader->inst[0] & NV30_VP_INST_ADDR_SWZ_MASK) + >> NV30_VP_INST_ADDR_SWZ_SHIFT]; + return swz; +} + +static int +NV30VPSupportsConditional(nvsFunc * shader) +{ + /*FIXME: Is this true of all ops? */ + return 1; +} + +static int +NV30VPGetConditionUpdate(nvsFunc * shader) +{ + return ((shader->inst[0] & NV30_VP_INST_COND_UPDATE_ENABLE) ? 1 : 0); +} + +static int +NV30VPGetConditionTest(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 NV30_VP_INST_OP_BRA: + return 1; + default: + return ((shader->inst[0] & NV30_VP_INST_COND_TEST_ENABLE) ? 1 : 0); + } +} + +static nvsCond +NV30VPGetCondition(nvsFunc * shader) +{ + int cond; + + cond = ((shader->inst[0] & NV30_VP_INST_COND_MASK) + >> NV30_VP_INST_COND_SHIFT); + + switch (cond) { + case NV30_VP_INST_COND_FL: return NVS_COND_FL; + case NV30_VP_INST_COND_LT: return NVS_COND_LT; + case NV30_VP_INST_COND_EQ: return NVS_COND_EQ; + case NV30_VP_INST_COND_LE: return NVS_COND_LE; + case NV30_VP_INST_COND_GT: return NVS_COND_GT; + case NV30_VP_INST_COND_NE: return NVS_COND_NE; + case NV30_VP_INST_COND_GE: return NVS_COND_GE; + case NV30_VP_INST_COND_TR: return NVS_COND_TR; + default: + return NVS_COND_UNKNOWN; + } +} + +static void +NV30VPGetCondRegSwizzle(nvsFunc * shader, nvsSwzComp *swz) +{ + int swzbits; + + swzbits = (shader->inst[0] & NV30_VP_INST_COND_SWZ_ALL_MASK) + >> NV30_VP_INST_COND_SWZ_ALL_SHIFT; + NV20VPTXSwizzle(swzbits, swz); +} + +static int +NV30VPGetCondRegID(nvsFunc * shader) +{ + return 0; +} + + +static int +NV30VPGetBranch(nvsFunc * shader) +{ + return ((shader->inst[2] & NV30_VP_INST_IADDR_MASK) + >> NV30_VP_INST_IADDR_SHIFT); +} + +void +NV30VPInitShaderFuncs(nvsFunc * shader) +{ + /* Inherit NV20 code, a lot of it is the same */ + NV20VPInitShaderFuncs(shader); + + /* Increase max valid opcode ID, and add new instructions */ + NVVP_TX_VOP_COUNT = NVVP_TX_NVS_OP_COUNT = 32; + + MOD_OPCODE(NVVP_TX_VOP, NV30_VP_INST_OP_FRC, NVS_OP_FRC, 0, -1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV30_VP_INST_OP_FLR, NVS_OP_FLR, 0, -1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV30_VP_INST_OP_SEQ, NVS_OP_SEQ, 0, 1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV30_VP_INST_OP_SFL, NVS_OP_SFL, 0, 1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV30_VP_INST_OP_SGT, NVS_OP_SGT, 0, 1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV30_VP_INST_OP_SLE, NVS_OP_SLE, 0, 1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV30_VP_INST_OP_SNE, NVS_OP_SNE, 0, 1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV30_VP_INST_OP_STR, NVS_OP_STR, 0, 1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV30_VP_INST_OP_SSG, NVS_OP_SSG, 0, -1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV30_VP_INST_OP_ARR, NVS_OP_ARR, 0, -1, -1); + MOD_OPCODE(NVVP_TX_VOP, NV30_VP_INST_OP_ARA, NVS_OP_ARA, 3, -1, -1); + + MOD_OPCODE(NVVP_TX_SOP, NV30_VP_INST_OP_BRA, NVS_OP_BRA, -1, -1, -1); + MOD_OPCODE(NVVP_TX_SOP, NV30_VP_INST_OP_CAL, NVS_OP_CAL, -1, -1, -1); + MOD_OPCODE(NVVP_TX_SOP, NV30_VP_INST_OP_RET, NVS_OP_RET, -1, -1, -1); + MOD_OPCODE(NVVP_TX_SOP, NV30_VP_INST_OP_LG2, NVS_OP_LG2, 2, -1, -1); + MOD_OPCODE(NVVP_TX_SOP, NV30_VP_INST_OP_EX2, NVS_OP_EX2, 2, -1, -1); + MOD_OPCODE(NVVP_TX_SOP, NV30_VP_INST_OP_SIN, NVS_OP_SIN, 2, -1, -1); + MOD_OPCODE(NVVP_TX_SOP, NV30_VP_INST_OP_COS, NVS_OP_COS, 2, -1, -1); + + shader->UploadToHW = NV30VPUploadToHW; + shader->UpdateConst = NV30VPUpdateConst; + + shader->GetOpcodeHW = NV30VPGetOpcodeHW; + + shader->GetDestFile = NV30VPGetDestFile; + shader->GetDestID = NV30VPGetDestID; + shader->GetDestMask = NV30VPGetDestMask; + + shader->GetSourceID = NV30VPGetSourceID; + shader->GetSourceAbs = NV30VPGetSourceAbs; + + shader->GetRelAddressRegID = NV30VPGetRelAddressRegID; + shader->GetRelAddressSwizzle = NV30VPGetRelAddressSwizzle; + + shader->SupportsConditional = NV30VPSupportsConditional; + shader->GetConditionUpdate = NV30VPGetConditionUpdate; + shader->GetConditionTest = NV30VPGetConditionTest; + shader->GetCondition = NV30VPGetCondition; + shader->GetCondRegSwizzle = NV30VPGetCondRegSwizzle; + shader->GetCondRegID = NV30VPGetCondRegID; + + shader->GetBranch = NV30VPGetBranch; +} + |