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Diffstat (limited to 'src/gallium/drivers/vc4/vc4_program.c')
-rw-r--r--src/gallium/drivers/vc4/vc4_program.c34
1 files changed, 12 insertions, 22 deletions
diff --git a/src/gallium/drivers/vc4/vc4_program.c b/src/gallium/drivers/vc4/vc4_program.c
index bba02ca93f2..6bad1560b2f 100644
--- a/src/gallium/drivers/vc4/vc4_program.c
+++ b/src/gallium/drivers/vc4/vc4_program.c
@@ -1843,32 +1843,22 @@ emit_frag_end(struct vc4_compile *c)
qir_TLB_Z_WRITE(c, z);
}
- bool color_written = false;
+ struct qreg packed_color = c->undef;
for (int i = 0; i < 4; i++) {
- if (swizzled_outputs[i].file != QFILE_NULL)
- color_written = true;
- }
-
- struct qreg packed_color;
- if (color_written) {
- /* Fill in any undefined colors. The simulator will assertion
- * fail if we read something that wasn't written, and I don't
- * know what hardware does.
- */
- for (int i = 0; i < 4; i++) {
- if (swizzled_outputs[i].file == QFILE_NULL)
- swizzled_outputs[i] = qir_uniform_f(c, 0.0);
+ if (swizzled_outputs[i].file == QFILE_NULL)
+ continue;
+ if (packed_color.file == QFILE_NULL) {
+ packed_color = qir_PACK_8888_F(c, swizzled_outputs[i]);
+ } else {
+ packed_color = qir_PACK_8_F(c,
+ packed_color,
+ swizzled_outputs[i],
+ i);
}
- packed_color = qir_get_temp(c);
- qir_emit(c, qir_inst4(QOP_PACK_COLORS, packed_color,
- swizzled_outputs[0],
- swizzled_outputs[1],
- swizzled_outputs[2],
- swizzled_outputs[3]));
- } else {
- packed_color = qir_uniform_ui(c, 0);
}
+ if (packed_color.file == QFILE_NULL)
+ packed_color = qir_uniform_ui(c, 0);
if (c->fs_key->logicop_func != PIPE_LOGICOP_COPY) {
packed_color = vc4_logicop(c, packed_color, packed_dst_color);