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radv: Enable ACO on GFX7 (Sea Islands)

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This patch also disables AMD_shader_ballot on GFX7 by default if ACO is used.
Note that shader_ballot works correctly, but performance seems inferior.
To enable shader_ballot use RADV_PERFTEST=shader_ballot.

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
This commit is contained in:
Daniel Schürmann
2019-11-15 15:37:13 +01:00
parent 28c95cc402
commit 7b38d95b32
1 changed files with 3 additions and 2 deletions
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5
src/amd/vulkan/radv_device.c
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@@ -398,7 +398,7 @@ radv_physical_device_init(struct radv_physical_device *device,
radv_handle_env_var_force_family(device);
device->use_aco = instance->perftest_flags & RADV_PERFTEST_ACO;
if (device->rad_info.chip_class < GFX8 && device->use_aco) {
if (device->rad_info.chip_class < GFX7 && device->use_aco) {
fprintf(stderr, "WARNING: disabling ACO on unsupported GPUs.\n");
device->use_aco = false;
}
@@ -439,7 +439,8 @@ radv_physical_device_init(struct radv_physical_device *device,
device->dcc_msaa_allowed =
(device->instance->perftest_flags & RADV_PERFTEST_DCC_MSAA);
device->use_shader_ballot = device->use_aco || (device->instance->perftest_flags & RADV_PERFTEST_SHADER_BALLOT);
device->use_shader_ballot = (device->use_aco && device->rad_info.chip_class >= GFX8) ||
(device->instance->perftest_flags & RADV_PERFTEST_SHADER_BALLOT);
device->use_ngg = device->rad_info.chip_class >= GFX10 &&
device->rad_info.family != CHIP_NAVI14 &&