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anv: expose VK_EXT_device_generated_commands by default on Gfx12.5+

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Prior generations are kept under experimental until we implement a
more memory efficient preprocess buffer solution.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/work_items/14890
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/work_items/12380
Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31384>
This commit is contained in:
Lionel Landwerlin 2026-04-15 16:55:14 +03:00 • committed by Marge Bot
parent e69062f8c9
commit 50aee34651
1 changed files with 53 additions and 0 deletions
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53
src/intel/vulkan/anv_physical_device.c
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@ -294,6 +294,18 @@ get_device_extensions(const struct anv_physical_device *device,
.EXT_descriptor_heap = ANV_DEBUG(EXPERIMENTAL),
.EXT_descriptor_indexing = true,
.EXT_device_address_binding_report = true,
/* Emitting a single compute dispatch potentially lot of memory (> 4KiB)
* on device prior to Gfx12.5 due to the fact that we need to emit 32B
* worth of data per subgroup in a workgroup, see anv_dgc_layout.c. So
* make it experimental on those devices for now, since vkd3d-proton
* will try to allocate lots of DGC preprocess buffer and those
* requiring to be in the dynamic visible heap, things run out of VMA
* pretty quick. We can some something less memory intensive with a ring
* buffer approach, at the expense of late preprocessing. But this is
* for later.
*/
.EXT_device_generated_commands = device->info.verx10 >= 125 ||
(device->info.ver >= 11 || ANV_DEBUG(EXPERIMENTAL)),
.EXT_device_memory_report = true,
#ifdef VK_USE_PLATFORM_DISPLAY_KHR
.EXT_display_control = true,
@ -1032,6 +1044,10 @@ get_features(const struct anv_physical_device *pdevice,
/* VK_EXT_descriptor_heap */
.descriptorHeap = true,
.descriptorHeapCaptureReplay = true,
/* VK_EXT_device_generated_commands */
.deviceGeneratedCommands = true,
.dynamicGeneratedPipelineLayout = true,
};
/* The new DOOM and Wolfenstein games require depthBounds without
@ -1776,6 +1792,43 @@ get_properties(const struct anv_physical_device *pdevice,
props->protectedDescriptorHeaps = false;
}
/* VK_EXT_device_generated_commands */
{
VkShaderStageFlags stages =
VK_SHADER_STAGE_VERTEX_BIT |
VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT |
VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT |
VK_SHADER_STAGE_GEOMETRY_BIT |
VK_SHADER_STAGE_FRAGMENT_BIT |
VK_SHADER_STAGE_COMPUTE_BIT;
/* TODO: fixup Wa_18019110168 */
if (pdevice->info.has_mesh_shading &&
!intel_needs_workaround(&pdevice->info, 18019110168))
stages |= VK_SHADER_STAGE_TASK_BIT_EXT | VK_SHADER_STAGE_MESH_BIT_EXT;
if (ANV_SUPPORT_RT && pdevice->info.has_ray_tracing)
stages |= ANV_RT_STAGE_BITS;
const VkShaderStageFlags indirect_stages =
stages & (VK_SHADER_STAGE_COMPUTE_BIT | ANV_RT_STAGE_BITS);
props->maxIndirectPipelineCount = 1 << 12; /* spec minimum */
props->maxIndirectShaderObjectCount = 1 << 12; /* spec minimum */
props->maxIndirectSequenceCount = 1 << 20; /* spec minimum */
props->maxIndirectCommandsTokenCount = 32;
props->maxIndirectCommandsTokenOffset = 64 * 1024;
props->maxIndirectCommandsIndirectStride = UINT32_MAX;
props->supportedIndirectCommandsInputModes = VK_INDIRECT_COMMANDS_INPUT_MODE_VULKAN_INDEX_BUFFER_EXT |
VK_INDIRECT_COMMANDS_INPUT_MODE_DXGI_INDEX_BUFFER_EXT;
props->supportedIndirectCommandsShaderStages = stages;
props->supportedIndirectCommandsShaderStagesShaderBinding = indirect_stages;
props->supportedIndirectCommandsShaderStagesPipelineBinding = indirect_stages;
props->deviceGeneratedCommandsTransformFeedback = true;
/* Xe2+ has an indirect instruction, unfortunately it does not have a HW
* generated gl_DrawID so we cannot implement this...
*/
props->deviceGeneratedCommandsMultiDrawIndirectCount = false;
}
/* VK_EXT_extended_dynamic_state3 */
{
props->dynamicPrimitiveTopologyUnrestricted = true;