Module: Mesa Branch: main Commit: 75faaac8959656e8478bba2b85e0a80e475dc052 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=75faaac8959656e8478bba2b85e0a80e475dc052
Author: Samuel Pitoiset <[email protected]> Date: Tue Nov 1 11:20:58 2022 +0100 radv: allow to enable NGG streamout with RADV_PERFTEST=ngg_streamout Signed-off-by: Samuel Pitoiset <[email protected]> Reviewed-by: Bas Nieuwenhuizen <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19435> --- docs/envvars.rst | 2 ++ src/amd/vulkan/radv_debug.h | 1 + src/amd/vulkan/radv_device.c | 4 +++- 3 files changed, 6 insertions(+), 1 deletion(-) diff --git a/docs/envvars.rst b/docs/envvars.rst index e48324af446..98f223e20d8 100644 --- a/docs/envvars.rst +++ b/docs/envvars.rst @@ -801,6 +801,8 @@ RADV driver environment variables enable unofficial experimental support for NV_mesh_shader. ``pswave32`` enable wave32 for pixel shaders (GFX10+) + ``ngg_streamout`` + enable NGG streamout ``nggc`` enable NGG culling on GPUs where it's not enabled by default (GFX10.1 only). ``rt`` diff --git a/src/amd/vulkan/radv_debug.h b/src/amd/vulkan/radv_debug.h index 9b1833ed329..57365727201 100644 --- a/src/amd/vulkan/radv_debug.h +++ b/src/amd/vulkan/radv_debug.h @@ -85,6 +85,7 @@ enum { RADV_PERFTEST_RT_WAVE_64 = 1u << 12, RADV_PERFTEST_GPL = 1u << 13, RADV_PERFTEST_EXT_MS = 1u << 14, + RADV_PERFTEST_NGG_STREAMOUT = 1u << 15, }; bool radv_init_trace(struct radv_device *device); diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c index b44da810a43..e40205dcdb2 100644 --- a/src/amd/vulkan/radv_device.c +++ b/src/amd/vulkan/radv_device.c @@ -871,7 +871,8 @@ radv_physical_device_try_create(struct radv_instance *instance, drmDevicePtr drm (device->instance->perftest_flags & RADV_PERFTEST_NGGC)) && !(device->instance->debug_flags & RADV_DEBUG_NO_NGGC); - device->use_ngg_streamout = false; + device->use_ngg_streamout = device->use_ngg && + (device->instance->perftest_flags & RADV_PERFTEST_NGG_STREAMOUT); /* Determine the number of threads per wave for all stages. */ device->cs_wave_size = 64; @@ -1062,6 +1063,7 @@ static const struct debug_control radv_perftest_options[] = {{"localbos", RADV_P {"rtwave64", RADV_PERFTEST_RT_WAVE_64}, {"gpl", RADV_PERFTEST_GPL}, {"ext_ms", RADV_PERFTEST_EXT_MS}, + {"ngg_streamout", RADV_PERFTEST_NGG_STREAMOUT}, {NULL, 0}}; const char *
