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-rw-r--r--src/gallium/drivers/radeonsi/si_shader.c4
-rw-r--r--src/gallium/drivers/radeonsi/si_shader.h2
-rw-r--r--src/gallium/drivers/radeonsi/si_state.c2
3 files changed, 4 insertions, 4 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index c9e67922c3b..5a47055fc72 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -1479,8 +1479,8 @@ static void si_llvm_emit_fs_epilogue(struct lp_build_tgsi_context * bld_base)
/* Handle FS_COLOR0_WRITES_ALL_CBUFS. */
if (shader->selector->info.properties[TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS] &&
shader->output[i].sid == 0 &&
- si_shader_ctx->shader->key.ps.nr_cbufs > 1) {
- for (int c = 1; c < si_shader_ctx->shader->key.ps.nr_cbufs; c++) {
+ si_shader_ctx->shader->key.ps.last_cbuf > 0) {
+ for (int c = 1; c <= si_shader_ctx->shader->key.ps.last_cbuf; c++) {
si_llvm_init_export_args_load(bld_base,
si_shader_ctx->radeon_bld.soa.outputs[index],
V_008DFC_SQ_EXP_MRT + c, args);
diff --git a/src/gallium/drivers/radeonsi/si_shader.h b/src/gallium/drivers/radeonsi/si_shader.h
index 76c29fe0f36..8468e1a5eb9 100644
--- a/src/gallium/drivers/radeonsi/si_shader.h
+++ b/src/gallium/drivers/radeonsi/si_shader.h
@@ -134,7 +134,7 @@ struct si_shader_selector {
union si_shader_key {
struct {
unsigned export_16bpc:8;
- unsigned nr_cbufs:4;
+ unsigned last_cbuf:3;
unsigned color_two_side:1;
unsigned alpha_func:3;
unsigned flatshade:1;
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 6eec88eb483..0ef6d97441a 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -2207,7 +2207,7 @@ static INLINE void si_shader_selector_key(struct pipe_context *ctx,
}
} else if (sel->type == PIPE_SHADER_FRAGMENT) {
if (sel->info.properties[TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS])
- key->ps.nr_cbufs = sctx->framebuffer.state.nr_cbufs;
+ key->ps.last_cbuf = MAX2(sctx->framebuffer.state.nr_cbufs, 1) - 1;
key->ps.export_16bpc = sctx->framebuffer.export_16bpc;
if (sctx->queued.named.rasterizer) {