radv: implement VK_AMD_shader_core_properties

Simple extension that only returns information for AMD hw.

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

src/amd/vulkan/radv_device.c

@@ -961,6 +961,46 @@ void radv_GetPhysicalDeviceProperties2(
 			properties->filterMinmaxSingleComponentFormats = true;
 			break;
 		}
+		case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_CORE_PROPERTIES_AMD: {
+			VkPhysicalDeviceShaderCorePropertiesAMD *properties =
+				(VkPhysicalDeviceShaderCorePropertiesAMD *)ext;
+
+			/* Shader engines. */
+			properties->shaderEngineCount =
+				pdevice->rad_info.max_se;
+			properties->shaderArraysPerEngineCount =
+				pdevice->rad_info.max_sh_per_se;
+			properties->computeUnitsPerShaderArray =
+				pdevice->rad_info.num_good_compute_units /
+					(pdevice->rad_info.max_se *
+					 pdevice->rad_info.max_sh_per_se);
+			properties->simdPerComputeUnit = 4;
+			properties->wavefrontsPerSimd =
+				pdevice->rad_info.family == CHIP_TONGA ||
+				pdevice->rad_info.family == CHIP_ICELAND ||
+				pdevice->rad_info.family == CHIP_POLARIS10 ||
+				pdevice->rad_info.family == CHIP_POLARIS11 ||
+				pdevice->rad_info.family == CHIP_POLARIS12 ? 8 : 10;
+			properties->wavefrontSize = 64;
+
+			/* SGPR. */
+			properties->sgprsPerSimd =
+				radv_get_num_physical_sgprs(pdevice);
+			properties->minSgprAllocation =
+				pdevice->rad_info.chip_class >= VI ? 16 : 8;
+			properties->maxSgprAllocation =
+				pdevice->rad_info.family == CHIP_TONGA ||
+				pdevice->rad_info.family == CHIP_ICELAND ? 96 : 104;
+			properties->sgprAllocationGranularity =
+				pdevice->rad_info.chip_class >= VI ? 16 : 8;
+
+			/* VGPR. */
+			properties->vgprsPerSimd = RADV_NUM_PHYSICAL_VGPRS;
+			properties->minVgprAllocation = 4;
+			properties->maxVgprAllocation = 256;
+			properties->vgprAllocationGranularity = 4;
+			break;
+		}
 		default:
 			break;
 		}

src/amd/vulkan/radv_extensions.py

@@ -96,6 +96,7 @@ EXTENSIONS = [
     Extension('VK_AMD_draw_indirect_count',               1, True),
     Extension('VK_AMD_gcn_shader',                        1, True),
     Extension('VK_AMD_rasterization_order',               1, 'device->has_out_of_order_rast'),
+    Extension('VK_AMD_shader_core_properties',            1, True),
     Extension('VK_AMD_shader_info',                       1, True),
     Extension('VK_AMD_shader_trinary_minmax',             1, True),
 ]