diff options
| -rw-r--r-- | src/intel/vulkan/anv_device.c | 37 | ||||
| -rw-r--r-- | src/intel/vulkan/anv_extensions.py | 1 |
2 files changed, 38 insertions, 0 deletions
diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c index c3ed837c410..23be762626a 100644 --- a/src/intel/vulkan/anv_device.c +++ b/src/intel/vulkan/anv_device.c @@ -1142,6 +1142,13 @@ void anv_GetPhysicalDeviceFeatures2( break; } + case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TEXEL_BUFFER_ALIGNMENT_FEATURES_EXT: { + VkPhysicalDeviceTexelBufferAlignmentFeaturesEXT *features = + (VkPhysicalDeviceTexelBufferAlignmentFeaturesEXT *)ext; + features->texelBufferAlignment = true; + break; + } + case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VARIABLE_POINTERS_FEATURES: { VkPhysicalDeviceVariablePointersFeatures *features = (void *)ext; features->variablePointersStorageBuffer = true; @@ -1567,6 +1574,36 @@ void anv_GetPhysicalDeviceProperties2( break; } + case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TEXEL_BUFFER_ALIGNMENT_PROPERTIES_EXT: { + VkPhysicalDeviceTexelBufferAlignmentPropertiesEXT *props = + (VkPhysicalDeviceTexelBufferAlignmentPropertiesEXT *)ext; + + /* From the SKL PRM Vol. 2d, docs for RENDER_SURFACE_STATE::Surface + * Base Address: + * + * "For SURFTYPE_BUFFER non-rendertarget surfaces, this field + * specifies the base address of the first element of the surface, + * computed in software by adding the surface base address to the + * byte offset of the element in the buffer. The base address must + * be aligned to element size." + * + * The typed dataport messages require that things be texel aligned. + * Otherwise, we may just load/store the wrong data or, in the worst + * case, there may be hangs. + */ + props->storageTexelBufferOffsetAlignmentBytes = 16; + props->storageTexelBufferOffsetSingleTexelAlignment = true; + + /* The sampler, however, is much more forgiving and it can handle + * arbitrary byte alignment for linear and buffer surfaces. It's + * hard to find a good PRM citation for this but years of empirical + * experience demonstrate that this is true. + */ + props->uniformTexelBufferOffsetAlignmentBytes = 1; + props->uniformTexelBufferOffsetSingleTexelAlignment = false; + break; + } + case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TRANSFORM_FEEDBACK_PROPERTIES_EXT: { VkPhysicalDeviceTransformFeedbackPropertiesEXT *props = (VkPhysicalDeviceTransformFeedbackPropertiesEXT *)ext; diff --git a/src/intel/vulkan/anv_extensions.py b/src/intel/vulkan/anv_extensions.py index c31d2cf870e..f868985aeb9 100644 --- a/src/intel/vulkan/anv_extensions.py +++ b/src/intel/vulkan/anv_extensions.py @@ -145,6 +145,7 @@ EXTENSIONS = [ Extension('VK_EXT_separate_stencil_usage', 1, True), Extension('VK_EXT_shader_stencil_export', 1, 'device->info.gen >= 9'), Extension('VK_EXT_shader_viewport_index_layer', 1, True), + Extension('VK_EXT_texel_buffer_alignment', 1, True), Extension('VK_EXT_transform_feedback', 1, True), Extension('VK_EXT_vertex_attribute_divisor', 3, True), Extension('VK_EXT_ycbcr_image_arrays', 1, True), |