Mesa (main): radv: add radv_has_shader_buffer_float_minmax

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Module: Mesa
Branch: main
Commit: 28a87dee6060f775cede7741534944a65aaad601
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=28a87dee6060f775cede7741534944a65aaad601

Author: Rhys Perry <pendingchaos02 at gmail.com>
Date:   Thu May  5 12:35:09 2022 +0100

radv: add radv_has_shader_buffer_float_minmax

Signed-off-by: Rhys Perry <pendingchaos02 at gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16203>

---

 src/amd/vulkan/radv_device.c  | 5 +----
 src/amd/vulkan/radv_private.h | 7 +++++++
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index 34a8bba2942..9796cd2dea1 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -1624,10 +1624,7 @@ radv_GetPhysicalDeviceFeatures2(VkPhysicalDevice physicalDevice,
       case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_ATOMIC_FLOAT_2_FEATURES_EXT: {
          VkPhysicalDeviceShaderAtomicFloat2FeaturesEXT *features =
             (VkPhysicalDeviceShaderAtomicFloat2FeaturesEXT *)ext;
-         bool has_shader_buffer_float_minmax = ((pdevice->rad_info.chip_class == GFX6 ||
-                                                 pdevice->rad_info.chip_class == GFX7) &&
-                                                !pdevice->use_llvm) ||
-                                               pdevice->rad_info.chip_class >= GFX10;
+         bool has_shader_buffer_float_minmax = radv_has_shader_buffer_float_minmax(pdevice);
          bool has_shader_image_float_minmax = pdevice->rad_info.chip_class != GFX8 &&
                                               pdevice->rad_info.chip_class != GFX9;
          features->shaderBufferFloat16Atomics = false;
diff --git a/src/amd/vulkan/radv_private.h b/src/amd/vulkan/radv_private.h
index bbaccfc5cdf..15ebed4f6d8 100644
--- a/src/amd/vulkan/radv_private.h
+++ b/src/amd/vulkan/radv_private.h
@@ -2938,6 +2938,13 @@ radv_use_llvm_for_stage(struct radv_device *device, UNUSED gl_shader_stage stage
    return device->physical_device->use_llvm;
 }
 
+static inline bool
+radv_has_shader_buffer_float_minmax(const struct radv_physical_device *pdevice)
+{
+   return (pdevice->rad_info.chip_class <= GFX7 && !pdevice->use_llvm) ||
+          pdevice->rad_info.chip_class >= GFX10;
+}
+
 struct radv_acceleration_structure {
    struct vk_object_base base;