diff options
Diffstat (limited to 'src/gallium/drivers/r600')
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 523b6d2451..1702475fa3 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -967,6 +967,55 @@ static int tgsi_scs(struct r600_shader_ctx *ctx) return r; } + /* dst.z = 0.0; */ + if (inst->Dst[0].Register.WriteMask & TGSI_WRITEMASK_Z) { + fprintf(stderr, "writing z\n"); + memset(&alu, 0, sizeof(struct r600_bc_alu)); + + alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV); + + r = tgsi_dst(ctx, &inst->Dst[0], 2, &alu.dst); + if (r) + return r; + + alu.src[0].sel = V_SQ_ALU_SRC_0; + alu.src[0].chan = 0; + + alu.last = 1; + + r = r600_bc_add_alu(ctx->bc, &alu); + if (r) + return r; + + r = r600_bc_add_literal(ctx->bc, ctx->value); + if (r) + return r; + } + + /* dst.w = 1.0; */ + if (inst->Dst[0].Register.WriteMask & TGSI_WRITEMASK_W) { + memset(&alu, 0, sizeof(struct r600_bc_alu)); + + alu.inst = CTX_INST(V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV); + + r = tgsi_dst(ctx, &inst->Dst[0], 3, &alu.dst); + if (r) + return r; + + alu.src[0].sel = V_SQ_ALU_SRC_1; + alu.src[0].chan = 0; + + alu.last = 1; + + r = r600_bc_add_alu(ctx->bc, &alu); + if (r) + return r; + + r = r600_bc_add_literal(ctx->bc, ctx->value); + if (r) + return r; + } + return 0; } |