diff options
| author | Marek Olšák <[email protected]> | 2017-02-01 02:00:05 +0100 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2017-03-30 14:44:33 +0200 |
| commit | be8eba062516c9767cb9e1b0c90ddc5f4700a8bf (patch) | |
| tree | 55330b7b9694885055ffb0b566d14a325657b6d0 | |
| parent | 31b10422760bf743268d8a90fda406eac4069540 (diff) | |
radeonsi/gfx9: disable the 2-bit format fetch fix
Reviewed-by: Nicolai Hähnle <[email protected]>
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_state.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c index ae5aac0e465..b120e9a6836 100644 --- a/src/gallium/drivers/radeonsi/si_state.c +++ b/src/gallium/drivers/radeonsi/si_state.c @@ -3342,6 +3342,7 @@ static void *si_create_vertex_elements(struct pipe_context *ctx, unsigned count, const struct pipe_vertex_element *elements) { + struct si_screen *sscreen = (struct si_screen*)ctx->screen; struct si_vertex_element *v = CALLOC_STRUCT(si_vertex_element); bool used[SI_NUM_VERTEX_BUFFERS] = {}; int i; @@ -3381,9 +3382,12 @@ static void *si_create_vertex_elements(struct pipe_context *ctx, v->format_size[i] = desc->block.bits / 8; /* The hardware always treats the 2-bit alpha channel as - * unsigned, so a shader workaround is needed. + * unsigned, so a shader workaround is needed. The affected + * chips are VI and older except Stoney (GFX8.1). */ - if (data_format == V_008F0C_BUF_DATA_FORMAT_2_10_10_10) { + if (data_format == V_008F0C_BUF_DATA_FORMAT_2_10_10_10 && + sscreen->b.chip_class <= VI && + sscreen->b.family != CHIP_STONEY) { if (num_format == V_008F0C_BUF_NUM_FORMAT_SNORM) { v->fix_fetch[i] = SI_FIX_FETCH_A2_SNORM; } else if (num_format == V_008F0C_BUF_NUM_FORMAT_SSCALED) { |