Re: [Mesa-dev] [PATCH v2] anv: add VK_EXT_sampler_filter_minmax support

Jason Ekstrand Wed, 15 Aug 2018 13:11:01 -0700

On August 15, 2018 14:43:08 Lionel Landwerlin<lionel.g.landwer...@intel.com> wrote:

Hey there,


Just a few nits below.

Thanks!

-
Lionel

On 15/08/18 18:42, Yunchao He wrote:

This extension can be supported on SKL+. With this patch,
all corresponding tests (6K+) in CTS can pass. No test fails.

I verified CTS with the command below:
deqp-vk --deqp-case=dEQP-VK.pipeline.sampler.view_type.*reduce*

v2: 1) support all depth formats, not depth-only formats, 2) fix
a wrong indention (Jason).
---
src/intel/vulkan/anv_device.c      |  8 ++++++++
src/intel/vulkan/anv_extensions.py |  1 +
src/intel/vulkan/anv_formats.c     |  6 ++++++
src/intel/vulkan/genX_state.c      | 27 +++++++++++++++++++++++++++
4 files changed, 42 insertions(+)

diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c
index 04fd6a829e..e45ba4b3af 100644
--- a/src/intel/vulkan/anv_device.c
+++ b/src/intel/vulkan/anv_device.c
@@ -1116,6 +1116,14 @@ void anv_GetPhysicalDeviceProperties2(
  break;
}

+ caseVK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SAMPLER_FILTER_MINMAX_PROPERTIES_EXT: {

+         VkPhysicalDeviceSamplerFilterMinmaxPropertiesEXT *properties =
+            (VkPhysicalDeviceSamplerFilterMinmaxPropertiesEXT *)ext;

+ properties->filterMinmaxImageComponentMapping = pdevice->info.gen>= 9;


I guess you can turn pdevice->info.gen >= 9 into true since the
extension is only available on Gen9.

I think I'd rather keep it. That way, if someone blindly queries, they getthere right value. Also, if it ever becomes core (not that likely), wealready do the right thing on the query.

+         properties->filterMinmaxSingleComponentFormats = true;
+         break;
+      }
+
case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SUBGROUP_PROPERTIES: {
  VkPhysicalDeviceSubgroupProperties *properties = (void *)ext;

diff --git a/src/intel/vulkan/anv_extensions.pyb/src/intel/vulkan/anv_extensions.py

index ea837744b4..e165bd371d 100644
--- a/src/intel/vulkan/anv_extensions.py
+++ b/src/intel/vulkan/anv_extensions.py
@@ -125,6 +125,7 @@ EXTENSIONS = [

Extension('VK_EXT_shader_stencil_export', 1, 'device->info.gen>= 9'),

Extension('VK_EXT_vertex_attribute_divisor',          2, True),

Extension('VK_EXT_post_depth_coverage', 1, 'device->info.gen>= 9'),+ Extension('VK_EXT_sampler_filter_minmax', 1,'device->info.gen >= 9'),

]

class VkVersion:
diff --git a/src/intel/vulkan/anv_formats.c b/src/intel/vulkan/anv_formats.c
index 815b320a82..33faf7cc37 100644
--- a/src/intel/vulkan/anv_formats.c
+++ b/src/intel/vulkan/anv_formats.c

@@ -489,6 +489,9 @@ get_image_format_features(const struct gen_device_info*devinfo,

if (aspects == VK_IMAGE_ASPECT_DEPTH_BIT || devinfo->gen >= 8)
  flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT;

+      if ((aspects & VK_IMAGE_ASPECT_DEPTH_BIT) && devinfo->gen >= 9)
+         flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_MINMAX_BIT_EXT;
+
flags |= VK_FORMAT_FEATURE_BLIT_SRC_BIT |
        VK_FORMAT_FEATURE_BLIT_DST_BIT |
        VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR |

@@ -521,6 +524,9 @@ get_image_format_features(const struct gen_device_info*devinfo,

if (isl_format_supports_sampling(devinfo, plane_format.isl_format)) {
flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT;

+      if (devinfo->gen >= 9)
+         flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_MINMAX_BIT_EXT;
+
if (isl_format_supports_filtering(devinfo, plane_format.isl_format))
  flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT;
}
diff --git a/src/intel/vulkan/genX_state.c b/src/intel/vulkan/genX_state.c
index b1014d9e79..e095cb4cc0 100644
--- a/src/intel/vulkan/genX_state.c
+++ b/src/intel/vulkan/genX_state.c
@@ -245,6 +245,14 @@ static const uint32_t vk_to_gen_shadow_compare_op[] = {
[VK_COMPARE_OP_ALWAYS]                       = PREFILTEROPNEVER,
};

+#if GEN_GEN >= 9
+static const uint32_t vk_to_gen_sampler_reduction_mode[] = {
+   [VK_SAMPLER_REDUCTION_MODE_WEIGHTED_AVERAGE_EXT] = STD_FILTER,
+   [VK_SAMPLER_REDUCTION_MODE_MIN_EXT]              = MINIMUM,
+   [VK_SAMPLER_REDUCTION_MODE_MAX_EXT]              = MAXIMUM,
+};
+#endif
+
VkResult genX(CreateSampler)(
VkDevice                                    _device,
const VkSamplerCreateInfo*                  pCreateInfo,
@@ -266,6 +274,10 @@ VkResult genX(CreateSampler)(
uint32_t border_color_offset = device->border_colors.offset +
                           pCreateInfo->borderColor * 64;

+#if GEN_GEN >= 9
+   unsigned sampler_reduction_mode = STD_FILTER;
+#endif
+
vk_foreach_struct(ext, pCreateInfo->pNext) {
switch (ext->sType) {
case VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_INFO: {
@@ -281,6 +293,16 @@ VkResult genX(CreateSampler)(
  sampler->conversion = conversion;
  break;
}
+#if GEN_GEN >= 9
+      case VK_STRUCTURE_TYPE_SAMPLER_REDUCTION_MODE_CREATE_INFO_EXT: {
+           struct VkSamplerReductionModeCreateInfoEXT *sampler_reduction =
+              (struct VkSamplerReductionModeCreateInfoEXT *) ext;


You can drop that if below. If you've reach this point, the pointer ext
== sampler_reduction isn't null.

+         if (sampler_reduction)
+            sampler_reduction_mode =

+vk_to_gen_sampler_reduction_mode[sampler_reduction->reductionMode];

+         break;
+      }
+#endif
default:
  anv_debug_ignored_stype(ext->sType);
  break;
@@ -348,6 +370,11 @@ VkResult genX(CreateSampler)(
  .TCXAddressControlMode = vk_to_gen_tex_address[pCreateInfo->addressModeU],
  .TCYAddressControlMode = vk_to_gen_tex_address[pCreateInfo->addressModeV],
  .TCZAddressControlMode = vk_to_gen_tex_address[pCreateInfo->addressModeW],
+
+#if GEN_GEN >= 9
+       .ReductionType = sampler_reduction_mode,
+       .ReductionTypeEnable = true,


Avoid the tabs :)

+#endif
};

GENX(SAMPLER_STATE_pack)(NULL, sampler->state[p], &sampler_state);



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Re: [Mesa-dev] [PATCH v2] anv: add VK_EXT_sampler_filter_minmax support

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