radv: add VK_KHR_shader_atomic_int64 but disable it for now

No support for 64-bit compare&swap atomic operations.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index 1ad972a..96c6543 100644 (file)
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -909,6 +909,16 @@ void radv_GetPhysicalDeviceFeatures2(
                        features->shaderInt8 = true;
                        break;
                }
+               case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_ATOMIC_INT64_FEATURES_KHR: {
+                       VkPhysicalDeviceShaderAtomicInt64FeaturesKHR *features =
+                               (VkPhysicalDeviceShaderAtomicInt64FeaturesKHR *)ext;
+                       /* TODO: Enable this once the driver supports 64-bit
+                        * compare&swap atomic operations.
+                        */
+                       features->shaderBufferInt64Atomics = false;
+                       features->shaderSharedInt64Atomics = false;
+                       break;
+               }
                default:
                        break;
                }

diff --git a/src/amd/vulkan/radv_extensions.py b/src/amd/vulkan/radv_extensions.py
index 13fe391..4b12ccc 100644 (file)
--- a/src/amd/vulkan/radv_extensions.py
+++ b/src/amd/vulkan/radv_extensions.py
@@ -81,6 +81,7 @@ EXTENSIONS = [
     Extension('VK_KHR_push_descriptor',                   1, True),
     Extension('VK_KHR_relaxed_block_layout',              1, True),
     Extension('VK_KHR_sampler_mirror_clamp_to_edge',      1, True),
+    Extension('VK_KHR_shader_atomic_int64',               1, False),
     Extension('VK_KHR_shader_draw_parameters',            1, True),
     Extension('VK_KHR_shader_float16_int8',               1, True),
     Extension('VK_KHR_storage_buffer_storage_class',      1, True),

diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index a967709..c802abb 100644 (file)
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -235,6 +235,7 @@ radv_shader_compile_to_nir(struct radv_device *device,
                                .int8 = true,
                                .int16 = true,
                                .int64 = true,
+                               .int64_atomics = true,
                                .multiview = true,
                                .physical_storage_buffer_address = true,
                                .runtime_descriptor_array = true,