On Fri, Apr 6, 2018 at 3:28 PM, Samuel Pitoiset
<samuel.pitoi...@gmail.com> wrote:
> Simple extension that only returns information for AMD hw.
>
> Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
> ---
> src/amd/vulkan/radv_device.c | 71
> +++++++++++++++++++++++++++++++++++++++
> src/amd/vulkan/radv_extensions.py | 1 +
> 2 files changed, 72 insertions(+)
>
> diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
> index 41f8242754..fba0b5c586 100644
> --- a/src/amd/vulkan/radv_device.c
> +++ b/src/amd/vulkan/radv_device.c
> @@ -888,6 +888,39 @@ void radv_GetPhysicalDeviceProperties(
> memcpy(pProperties->pipelineCacheUUID, pdevice->cache_uuid,
> VK_UUID_SIZE);
> }
>
> +static uint32_t
> +radv_get_max_cu_per_sh(struct radv_physical_device *device)
> +{
> + /* This should be queried from the KMD, like the number of SEs. */
> + switch (device->rad_info.family) {
> + case CHIP_TAHITI:
> + return 8;
> + case CHIP_HAINAN:
> + return 5;
> + case CHIP_BONAIRE:
> + return 7;
> + case CHIP_HAWAII:
> + return 11;
> + case CHIP_ICELAND:
> + return 6;
> + case CHIP_CARRIZO:
> + return 8;
> + case CHIP_TONGA:
> + return 8;
> + case CHIP_FIJI:
> + return 16;
> + case CHIP_STONEY:
> + return 3;
> + case CHIP_VEGA10:
> + return 16;
> + case CHIP_RAVEN:
> + return 11;
> + default:
> + fprintf(stderr, "Number of CUs per SH unknown!\n");
> + return 0;
> + }
> +}
> +
> void radv_GetPhysicalDeviceProperties2(
> VkPhysicalDevice physicalDevice,
> VkPhysicalDeviceProperties2KHR *pProperties)
> @@ -961,6 +994,44 @@ void radv_GetPhysicalDeviceProperties2(
> properties->filterMinmaxSingleComponentFormats = true;
> break;
> }
> + case
> VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_CORE_PROPERTIES_AMD: {
> + VkPhysicalDeviceShaderCorePropertiesAMD *properties =
> + (VkPhysicalDeviceShaderCorePropertiesAMD
> *)ext;
> +
> + /* Shader engines. */
> + properties->shaderEngineCount =
> + pdevice->rad_info.max_se;
> + properties->shaderArraysPerEngineCount =
> + pdevice->rad_info.max_sh_per_se;
> + properties->computeUnitsPerShaderArray =
> + radv_get_max_cu_per_sh(pdevice);
Maybe
pdevice->rad_info.num_good_compute_units / (pdevice->rad_info.max_se *
pdevice->rad_info.max_sh_per_se);
would do the trick?
Gražvydas
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