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r600g: Implemented the Z and W component write for the SCS opcode.

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Signed-off-by: Tilman Sauerbeck <tilman@code-monkey.de>
This commit is contained in:
Tilman Sauerbeck
2010-09-20 21:27:59 +02:00
parent 57bf96b43b
commit ef419599d9
1 changed files with 49 additions and 0 deletions
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src/gallium/drivers/r600/r600_shader.c
+49
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@@ -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;
}