The driver already supports exporting the Layer and ViewportIndex
built-ins from vertex or tessellation shaders.
Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
src/amd/vulkan/radv_extensions.py | 1 +
src/amd/vulkan/radv_shader.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/src/amd/vulkan/radv_extensions.py
b/src/amd/vulkan/radv_extensions.py
index cbb02f138a..8cb0b7aa7d 100644
--- a/src/amd/vulkan/radv_extensions.py
+++ b/src/amd/vulkan/radv_extensions.py
@@ -92,6 +92,7 @@ EXTENSIONS = [
Extension('VK_EXT_external_memory_host', 1,
'device->rad_info.has_userptr'),
Extension('VK_EXT_global_priority', 1,
'device->rad_info.has_ctx_priority'),
Extension('VK_EXT_sampler_filter_minmax', 1,
'device->rad_info.chip_class >= CIK'),
+ Extension('VK_EXT_shader_viewport_index_layer', 1, True),
Extension('VK_AMD_draw_indirect_count', 1, True),
Extension('VK_AMD_gcn_shader', 1, True),
Extension('VK_AMD_rasterization_order', 1,
'device->rad_info.chip_class >= VI && device->rad_info.max_se >= 2'),
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index f150a20e3b..f46beab8c1 100644
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -217,6 +217,7 @@ radv_shader_compile_to_nir(struct radv_device *device,
.variable_pointers = true,
.gcn_shader = true,
.trinary_minmax = true,
+ .shader_viewport_index_layer = true,
},
};
entry_point = spirv_to_nir(spirv, module->size / 4,
--
2.16.3
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