Module: Mesa
Branch: master
Commit: c25f63872b2d884fb7d87ce8e40e85b43e67ca1e
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=c25f63872b2d884fb7d87ce8e40e85b43e67ca1e

Author: Samuel Pitoiset <[email protected]>
Date:   Mon Apr  1 16:18:11 2019 +0200

radv: partially enable VK_KHR_shader_float16_int8

Only 8-bit integers for now, float16 requires a bit more work.

Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Bas Nieuwenhuizen <[email protected]>

---

 src/amd/vulkan/radv_device.c      | 8 ++++++++
 src/amd/vulkan/radv_extensions.py | 1 +
 src/amd/vulkan/radv_shader.c      | 1 +
 3 files changed, 10 insertions(+)

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index d26557fd449..ffec7cfdb19 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -902,6 +902,14 @@ void radv_GetPhysicalDeviceFeatures2(
                        features->storagePushConstant8 = enabled;
                        break;
                }
+               case 
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FLOAT16_INT8_FEATURES_KHR: {
+                       VkPhysicalDeviceFloat16Int8FeaturesKHR *features =
+                               (VkPhysicalDeviceFloat16Int8FeaturesKHR*)ext;
+                       bool enabled = pdevice->rad_info.chip_class >= VI;
+                       features->shaderFloat16 = VK_FALSE;
+                       features->shaderInt8 = enabled;
+                       break;
+               }
                default:
                        break;
                }
diff --git a/src/amd/vulkan/radv_extensions.py 
b/src/amd/vulkan/radv_extensions.py
index 79562ff6e97..4b118b4ba82 100644
--- a/src/amd/vulkan/radv_extensions.py
+++ b/src/amd/vulkan/radv_extensions.py
@@ -82,6 +82,7 @@ EXTENSIONS = [
     Extension('VK_KHR_relaxed_block_layout',              1, True),
     Extension('VK_KHR_sampler_mirror_clamp_to_edge',      1, True),
     Extension('VK_KHR_shader_draw_parameters',            1, True),
+    Extension('VK_KHR_shader_float16_int8',               1, 
'device->rad_info.chip_class >= VI'),
     Extension('VK_KHR_storage_buffer_storage_class',      1, True),
     Extension('VK_KHR_surface',                          25, 
'RADV_HAS_SURFACE'),
     Extension('VK_KHR_surface_protected_capabilities',    1, 
'RADV_HAS_SURFACE'),
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index f905dfd9e5b..d3d073d1db8 100644
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -251,6 +251,7 @@ radv_shader_compile_to_nir(struct radv_device *device,
                                .trinary_minmax = true,
                                .variable_pointers = true,
                                .storage_8bit = true,
+                               .int8 = true,
                        },
                        .ubo_ptr_type = glsl_vector_type(GLSL_TYPE_UINT, 2),
                        .ssbo_ptr_type = glsl_vector_type(GLSL_TYPE_UINT, 2),

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