diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_program.c | 70 |
1 files changed, 56 insertions, 14 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index 576d075318f..89e0ac8db9f 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -837,7 +837,7 @@ emit_precossin(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) #define CVTOP_SAT 0x08 #define CVTOP_ABS 0x10 -/* 0x04 == 32 bit */ +/* 0x04 == 32 bit dst */ /* 0x40 == dst is float */ /* 0x80 == src is float */ #define CVT_F32_F32 0xc4 @@ -858,7 +858,7 @@ emit_cvt(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src, set_long(pc, e); e->inst[0] |= 0xa0000000; - e->inst[1] |= 0x00004000; + e->inst[1] |= 0x00004000; /* 32 bit src */ e->inst[1] |= (cvn << 16); e->inst[1] |= (fmt << 24); set_src_0(pc, src, e); @@ -1037,20 +1037,10 @@ emit_lit(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask, FREE(one); } -static void +static INLINE void emit_neg(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) { - struct nv50_program_exec *e = exec(pc); - - set_long(pc, e); - e->inst[0] |= 0xa0000000; /* delta */ - e->inst[1] |= (7 << 29); /* delta */ - e->inst[1] |= 0x04000000; /* negate arg0? probably not */ - e->inst[1] |= (1 << 14); /* src .f32 */ - set_dst(pc, dst, e); - set_src_0(pc, src, e); - - emit(pc, e); + emit_cvt(pc, dst, src, -1, CVTOP_RN, CVT_F32_F32 | CVT_NEG); } static void @@ -1219,6 +1209,43 @@ emit_nop(struct nv50_pc *pc) } static void +emit_ddx(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) +{ + struct nv50_program_exec *e = exec(pc); + + assert(src->type == P_TEMP); + + e->inst[0] = 0xc0140000; + e->inst[1] = 0x89800000; + set_long(pc, e); + set_dst(pc, dst, e); + set_src_0(pc, src, e); + set_src_2(pc, src, e); + + emit(pc, e); +} + +static void +emit_ddy(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) +{ + struct nv50_program_exec *e = exec(pc); + + assert(src->type == P_TEMP); + + if (!src->neg) /* ! double negation */ + emit_neg(pc, src, src); + + e->inst[0] = 0xc0150000; + e->inst[1] = 0x8a400000; + set_long(pc, e); + set_dst(pc, dst, e); + set_src_0(pc, src, e); + set_src_2(pc, src, e); + + emit(pc, e); +} + +static void convert_to_long(struct nv50_pc *pc, struct nv50_program_exec *e) { unsigned q = 0, m = ~0; @@ -1270,6 +1297,7 @@ static boolean negate_supported(const struct tgsi_full_instruction *insn, int i) { switch (insn->Instruction.Opcode) { + case TGSI_OPCODE_DDY: case TGSI_OPCODE_DP3: case TGSI_OPCODE_DP4: case TGSI_OPCODE_MUL: @@ -1660,6 +1688,20 @@ nv50_program_tx_insn(struct nv50_pc *pc, emit_precossin(pc, temp, src[0][0]); emit_flop(pc, 5, brdc, temp); break; + case TGSI_OPCODE_DDX: + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_ddx(pc, dst[c], src[0][c]); + } + break; + case TGSI_OPCODE_DDY: + for (c = 0; c < 4; c++) { + if (!(mask & (1 << c))) + continue; + emit_ddy(pc, dst[c], src[0][c]); + } + break; case TGSI_OPCODE_DP3: emit_mul(pc, temp, src[0][0], src[1][0]); emit_mad(pc, temp, src[0][1], src[1][1], temp); |