hk: fake min/max filtering for proton

this gets us to fl12_0.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33682>

src/asahi/vulkan/hk_instance.c

@@ -96,6 +96,7 @@ static const driOptionDescription hk_dri_options[] = {
    DRI_CONF_SECTION_MISCELLANEOUS
       DRI_CONF_HK_DISABLE_RGBA4_BORDER_COLOR_WORKAROUND(false)
       DRI_CONF_HK_DISABLE_BORDER_EMULATION(false)
+      DRI_CONF_HK_FAKE_MINMAX(false)
    DRI_CONF_SECTION_END
 };
 /* clang-format on */
@@ -118,6 +119,9 @@ hk_init_dri_options(struct hk_instance *instance)
 
    instance->no_border =
       driQueryOptionb(&instance->dri_options, "hk_disable_border_emulation");
+
+   instance->fake_minmax =
+      driQueryOptionb(&instance->dri_options, "hk_fake_minmax");
 }
 
 VKAPI_ATTR VkResult VKAPI_CALL

src/asahi/vulkan/hk_instance.h

@@ -22,6 +22,7 @@ struct hk_instance {
 
    bool workaround_rgba4;
    bool no_border;
+   bool fake_minmax;
 };
 
 VK_DEFINE_HANDLE_CASTS(hk_instance, vk.base, VkInstance,

src/asahi/vulkan/hk_physical_device.c

@@ -212,7 +212,7 @@ hk_get_device_extensions(const struct hk_instance *instance,
 
 static void
 hk_get_device_features(
-   const struct agx_device *dev,
+   const struct agx_device *dev, const struct hk_instance *instance,
    const struct vk_device_extension_table *supported_extensions,
    struct vk_features *features)
 {
@@ -331,7 +331,7 @@ hk_get_device_features(
       .descriptorBindingPartiallyBound = true,
       .descriptorBindingVariableDescriptorCount = true,
       .runtimeDescriptorArray = true,
-      .samplerFilterMinmax = false,
+      .samplerFilterMinmax = instance->fake_minmax,
       .scalarBlockLayout = true,
       .imagelessFramebuffer = true,
       .uniformBufferStandardLayout = true,
@@ -838,7 +838,7 @@ hk_get_device_properties(const struct agx_device *dev,
       .maxDescriptorSetUpdateAfterBindSampledImages = HK_MAX_DESCRIPTORS,
       .maxDescriptorSetUpdateAfterBindStorageImages = HK_MAX_DESCRIPTORS,
       .maxDescriptorSetUpdateAfterBindInputAttachments = HK_MAX_DESCRIPTORS,
-      .filterMinmaxSingleComponentFormats = false,
+      .filterMinmaxSingleComponentFormats = instance->fake_minmax,
       .filterMinmaxImageComponentMapping = false,
       .maxTimelineSemaphoreValueDifference = UINT64_MAX,
       .framebufferIntegerColorSampleCounts = sample_counts,
@@ -1188,7 +1188,7 @@ hk_create_drm_physical_device(struct vk_instance *_instance,
    hk_get_device_extensions(instance, &supported_extensions);
 
    struct vk_features supported_features;
-   hk_get_device_features(&pdev->dev, &supported_extensions,
+   hk_get_device_features(&pdev->dev, instance, &supported_extensions,
                           &supported_features);
 
    struct vk_properties properties;

src/util/00-mesa-defaults.conf

@@ -1489,5 +1489,14 @@ TODO: document the other workarounds.
         <application name="Control (DX11)" executable="Control_DX11.exe">
             <option name="hk_disable_border_emulation" value="true" />
         </application>
+        <engine engine_name_match="DXVK|vkd3d">
+            <!--
+               Apple hardware lacks min/max filtering, but this is required for
+               FL12_0. Fortunately, this is an obscure feature and we support
+               the rest of FL12_0, so we prefer to fake support and fail D3D
+               conformance rather than be limited to FL11.
+               -->
+            <option name="hk_fake_minmax" value="true" />
+        </engine>
     </device>
 </driconf>

src/util/driconf.h

@@ -641,6 +641,10 @@
    DRI_CONF_OPT_B(hk_disable_rgba4_border_color_workaround, def, \
                   "Use hardware opaque_black, breaking certain RGBA4 formats")
 
+#define DRI_CONF_HK_FAKE_MINMAX(def) \
+   DRI_CONF_OPT_B(hk_fake_minmax, def, \
+                  "Fake support for min/max filtering")
+
 /**
  * \brief venus specific configuration options
  */