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authorDave Airlie <[email protected]>2017-11-13 16:28:35 +1000
committerDave Airlie <[email protected]>2017-11-14 06:16:06 +1000
commit63b6eb9cb92238e7aff71de680c18f5d1d1bcd91 (patch)
tree6ec4b23f677e0159451cfec06d4626f15cc57504
parent044280920559e2ee1a2b70d14cac605551a8d8be (diff)
r600/shader: handle bitfield extract semantics properly.
Fixes: tests/spec/arb_gpu_shader5/execution/built-in-functions/fs-bitfieldExtract.shader_test Signed-off-by: Dave Airlie <[email protected]>
-rw-r--r--src/gallium/drivers/r600/r600_shader.c57
1 files changed, 53 insertions, 4 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 3a0ca34a4cc..0fa2a1f0d1a 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -9107,6 +9107,55 @@ static int tgsi_up2h(struct r600_shader_ctx *ctx)
return 0;
}
+static int tgsi_bfe(struct r600_shader_ctx *ctx)
+{
+ struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
+ struct r600_bytecode_alu alu;
+ int lasti = tgsi_last_instruction(inst->Dst[0].Register.WriteMask);
+ int r, i;
+
+ r = tgsi_op3(ctx);
+ if (r)
+ return r;
+
+ for (i = 0; i < lasti + 1; i++) {
+ memset(&alu, 0, sizeof(struct r600_bytecode_alu));
+ alu.op = ALU_OP2_SETGE_INT;
+ r600_bytecode_src(&alu.src[0], &ctx->src[2], i);
+ alu.src[1].sel = V_SQ_ALU_SRC_LITERAL;
+ alu.src[1].value = 32;
+ alu.dst.sel = ctx->temp_reg;
+ alu.dst.chan = i;
+ alu.dst.write = 1;
+ if (i == lasti)
+ alu.last = 1;
+ r = r600_bytecode_add_alu(ctx->bc, &alu);
+ if (r)
+ return r;
+ }
+
+ for (i = 0; i < lasti + 1; i++) {
+ memset(&alu, 0, sizeof(struct r600_bytecode_alu));
+ alu.op = ALU_OP3_CNDE_INT;
+ alu.is_op3 = 1;
+ alu.src[0].sel = ctx->temp_reg;
+ alu.src[1].chan = i;
+
+ tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst);
+ alu.src[1].sel = alu.dst.sel;
+ alu.src[1].chan = i;
+ r600_bytecode_src(&alu.src[2], &ctx->src[0], i);
+ alu.dst.write = 1;
+ if (i == lasti)
+ alu.last = 1;
+ r = r600_bytecode_add_alu(ctx->bc, &alu);
+ if (r)
+ return r;
+ }
+
+ return 0;
+}
+
static const struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = {
[TGSI_OPCODE_ARL] = { ALU_OP0_NOP, tgsi_r600_arl},
[TGSI_OPCODE_MOV] = { ALU_OP1_MOV, tgsi_op2},
@@ -9495,8 +9544,8 @@ static const struct r600_shader_tgsi_instruction eg_shader_tgsi_instruction[] =
[TGSI_OPCODE_UMUL_HI] = { ALU_OP2_MULHI_UINT, tgsi_op2_trans},
[TGSI_OPCODE_TG4] = { FETCH_OP_GATHER4, tgsi_tex},
[TGSI_OPCODE_LODQ] = { FETCH_OP_GET_LOD, tgsi_tex},
- [TGSI_OPCODE_IBFE] = { ALU_OP3_BFE_INT, tgsi_op3},
- [TGSI_OPCODE_UBFE] = { ALU_OP3_BFE_UINT, tgsi_op3},
+ [TGSI_OPCODE_IBFE] = { ALU_OP3_BFE_INT, tgsi_bfe},
+ [TGSI_OPCODE_UBFE] = { ALU_OP3_BFE_UINT, tgsi_bfe},
[TGSI_OPCODE_BFI] = { ALU_OP0_NOP, tgsi_bfi},
[TGSI_OPCODE_BREV] = { ALU_OP1_BFREV_INT, tgsi_op2},
[TGSI_OPCODE_POPC] = { ALU_OP1_BCNT_INT, tgsi_op2},
@@ -9718,8 +9767,8 @@ static const struct r600_shader_tgsi_instruction cm_shader_tgsi_instruction[] =
[TGSI_OPCODE_UMUL_HI] = { ALU_OP2_MULHI_UINT, cayman_mul_int_instr},
[TGSI_OPCODE_TG4] = { FETCH_OP_GATHER4, tgsi_tex},
[TGSI_OPCODE_LODQ] = { FETCH_OP_GET_LOD, tgsi_tex},
- [TGSI_OPCODE_IBFE] = { ALU_OP3_BFE_INT, tgsi_op3},
- [TGSI_OPCODE_UBFE] = { ALU_OP3_BFE_UINT, tgsi_op3},
+ [TGSI_OPCODE_IBFE] = { ALU_OP3_BFE_INT, tgsi_bfe},
+ [TGSI_OPCODE_UBFE] = { ALU_OP3_BFE_UINT, tgsi_bfe},
[TGSI_OPCODE_BFI] = { ALU_OP0_NOP, tgsi_bfi},
[TGSI_OPCODE_BREV] = { ALU_OP1_BFREV_INT, tgsi_op2},
[TGSI_OPCODE_POPC] = { ALU_OP1_BCNT_INT, tgsi_op2},