diff options
Diffstat (limited to 'src/intel/vulkan/anv_pipeline.c')
| -rw-r--r-- | src/intel/vulkan/anv_pipeline.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/intel/vulkan/anv_pipeline.c b/src/intel/vulkan/anv_pipeline.c index 44101038357..708b05a9535 100644 --- a/src/intel/vulkan/anv_pipeline.c +++ b/src/intel/vulkan/anv_pipeline.c @@ -228,6 +228,25 @@ static void populate_sampler_prog_key(const struct gen_device_info *devinfo, struct brw_sampler_prog_key_data *key) { + /* Almost all multisampled textures are compressed. The only time when we + * don't compress a multisampled texture is for 16x MSAA with a surface + * width greater than 8k which is a bit of an edge case. Since the sampler + * just ignores the MCS parameter to ld2ms when MCS is disabled, it's safe + * to tell the compiler to always assume compression. + */ + key->compressed_multisample_layout_mask = ~0; + + /* SkyLake added support for 16x MSAA. With this came a new message for + * reading from a 16x MSAA surface with compression. The new message was + * needed because now the MCS data is 64 bits instead of 32 or lower as is + * the case for 8x, 4x, and 2x. The key->msaa_16 bit-field controls which + * message we use. Fortunately, the 16x message works for 8x, 4x, and 2x + * so we can just use it unconditionally. This may not be quite as + * efficient but it saves us from recompiling. + */ + if (devinfo->gen >= 9) + key->msaa_16 = ~0; + /* XXX: Handle texture swizzle on HSW- */ for (int i = 0; i < MAX_SAMPLERS; i++) { /* Assume color sampler, no swizzling. (Works for BDW+) */ |