r600: handle barrier opcode.

This handles the barrier opcode for EG/CM.

Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index d128718..00fbef6 100644 (file)
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -840,6 +840,21 @@ static int vs_add_primid_output(struct r600_shader_ctx *ctx, int prim_id_sid)
        return 0;
 }
 
+static int tgsi_barrier(struct r600_shader_ctx *ctx)
+{
+       struct r600_bytecode_alu alu;
+       int r;
+
+       memset(&alu, 0, sizeof(struct r600_bytecode_alu));
+       alu.op = ctx->inst_info->op;
+       alu.last = 1;
+
+       r = r600_bytecode_add_alu(ctx->bc, &alu);
+       if (r)
+               return r;
+       return 0;
+}
+
 static int tgsi_declaration(struct r600_shader_ctx *ctx)
 {
        struct tgsi_full_declaration *d = &ctx->parse.FullToken.FullDeclaration;
@@ -9273,7 +9288,7 @@ static const struct r600_shader_tgsi_instruction eg_shader_tgsi_instruction[] =
        [TGSI_OPCODE_MFENCE]    = { ALU_OP0_NOP, tgsi_unsupported},
        [TGSI_OPCODE_LFENCE]    = { ALU_OP0_NOP, tgsi_unsupported},
        [TGSI_OPCODE_SFENCE]    = { ALU_OP0_NOP, tgsi_unsupported},
-       [TGSI_OPCODE_BARRIER]   = { ALU_OP0_NOP, tgsi_unsupported},
+       [TGSI_OPCODE_BARRIER]   = { ALU_OP0_GROUP_BARRIER, tgsi_barrier},
        [TGSI_OPCODE_ATOMUADD]  = { ALU_OP0_NOP, tgsi_unsupported},
        [TGSI_OPCODE_ATOMXCHG]  = { ALU_OP0_NOP, tgsi_unsupported},
        [TGSI_OPCODE_ATOMCAS]   = { ALU_OP0_NOP, tgsi_unsupported},
@@ -9495,7 +9510,7 @@ static const struct r600_shader_tgsi_instruction cm_shader_tgsi_instruction[] =
        [TGSI_OPCODE_MFENCE]    = { ALU_OP0_NOP, tgsi_unsupported},
        [TGSI_OPCODE_LFENCE]    = { ALU_OP0_NOP, tgsi_unsupported},
        [TGSI_OPCODE_SFENCE]    = { ALU_OP0_NOP, tgsi_unsupported},
-       [TGSI_OPCODE_BARRIER]   = { ALU_OP0_NOP, tgsi_unsupported},
+       [TGSI_OPCODE_BARRIER]   = { ALU_OP0_GROUP_BARRIER, tgsi_barrier},
        [TGSI_OPCODE_ATOMUADD]  = { ALU_OP0_NOP, tgsi_unsupported},
        [TGSI_OPCODE_ATOMXCHG]  = { ALU_OP0_NOP, tgsi_unsupported},
        [TGSI_OPCODE_ATOMCAS]   = { ALU_OP0_NOP, tgsi_unsupported},