Zink-aGalliumdriverThatEmitsVulkanAPIcalls_豆饭的小窝

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Zink-aGalliumdriverThatEmitsVulkanAPIcalls

(2023-05-22 11:48:09)

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分类：技术

https://docs.mesa3d.org/drivers/zink.html

Zink-a Gallium driver that emits Vulkan API calls instead of targeting a specific GPU architecture.

This can be used to get full desktop OpenGL support on devices that only support Vulkan.

OpenGL 2.1 is the minimum version Zink can support, and will always be exposed, given Vulkan support.

Here's a list of those requirements:

Vulkan 1.0

VkPhysicalDeviceFeatures:

logicOp

fillModeNonSolid

alphaToOne

shaderClipDistance

Device extensions:

VK_KHR_maintenance1

VK_KHR_create_renderpass2

VK_KHR_imageless_framebuffer

VK_KHR_timeline_semaphore

VK_EXT_custom_border_color with customBorderColorWithoutFormat

VK_EXT_provoking_vertex

VK_EXT_line_rasterization, with the following VkPhysicalDeviceLineRasterizationFeaturesEXT:

rectangularLines

bresenhamLines

smoothLines

stippledRectangularLines

stippledBresenhamLines

stippledSmoothLines

VK_KHR_swapchain_mutable_format

VK_EXT_border_color_swizzle

VK_KHR_descriptor_update_template

In addition to this, VK_KHR_external_memory is required to support the DRI code-path.

We also require either the VK_EXT_scalar_block_layout extension or Vulkan 1.2, with the scalarBlockLayout feature.

OpenGL 3.0

For OpenGL 3.0 support, the following additional requirements must be met:

VkPhysicalDeviceFeatures:

independentBlend

Device extensions:

VK_EXT_transform_feedback

VK_EXT_conditional_rendering

OpenGL 3.1

For OpenGL 3.1 support, the following additional VkPhysicalDeviceLimits are required:

maxPerStageDescriptorSamplers ≥ 16

OpenGL 3.2

For OpenGL 3.2 support, the following additional requirements must be met, although some of these might not actually get verified:

VkPhysicalDeviceFeatures:

depthClamp

geometryShader

shaderTessellationAndGeometryPointSize

Device extensions:

VK_EXT_depth_clip_enable

OpenGL 3.3

For OpenGL 3.3 support, the following additional requirements must be met, although some of these might not actually get verified:

VkPhysicalDeviceFeatures:

dualSrcBlend

Device extensions:

VK_EXT_vertex_attribute_divisor

OpenGL 4.0

For OpenGL 4.0 support, the following additional requirements must be met:

VkPhysicalDeviceFeatures:

sampleRateShading

tessellationShader

imageCubeArray

Device extensions:

VK_KHR_maintenance2

Formats requiring VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT:

VK_FORMAT_R32G32B32_SFLOAT

VK_FORMAT_R32G32B32_SINT

VK_FORMAT_R32G32B32_UINT

OpenGL 4.1

For OpenGL 4.1 support, the following additional requirements must be met:

VkPhysicalDeviceFeatures:

multiViewport

VkPhysicalDeviceLimits

maxImageDimension1D ≥ 16384

maxImageDimension2D ≥ 16384

maxImageDimension3D ≥ 2048

maxImageDimensionCube ≥ 16384

maxImageArrayLayers ≥ 2048

maxViewports ≥ 16

OpenGL 4.2

For OpenGL 4.2 support, the following additional requirements must be met:

Device extensions:

VK_EXT_image_2d_view_of_3d

VkPhysicalDeviceLimits:

shaderStorageImageExtendedFormats

shaderStorageImageWriteWithoutFormat

vertexPipelineStoresAndAtomics

fragmentStoresAndAtomics

For Vulkan 1.2 and above:

VkPhysicalDeviceVulkan11Features:

shaderDrawParameters

For Vulkan 1.1 and below:

Device extensions:

VK_KHR_shader_draw_parameters

OpenGL 4.3

For OpenGL 4.3 support, the following additional requirements must be met:

VkPhysicalDeviceFeatures:

robustBufferAccess

Formats requiring VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT:

VK_FORMAT_R8G8B8A8_UNORM

VK_FORMAT_R8G8B8A8_SRGB

VK_FORMAT_R16_UNORM

VK_FORMAT_R16G16_UNORM

VK_FORMAT_R16_SNORM

VK_FORMAT_R16G16_SNORM

VK_FORMAT_D32_SFLOAT_S8_UINT

OpenGL 4.4

For OpenGL 4.4 support, the following additional requirements must be met:

Formats requiring VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT:

VK_FORMAT_B10G11R11_UFLOAT_PACK32

For Vulkan 1.2 and above:

VkPhysicalDeviceVulkan12Features:

samplerMirrorClampToEdge

For Vulkan 1.1 and below:

Device extensions:

VK_KHR_sampler_mirror_clamp_to_edge

OpenGL 4.5

For OpenGL 4.5 support, the following additional VkPhysicalDeviceFeatures are required to be supported

shaderCullDistance

OpenGL 4.6

For OpenGL 4.6 support, the following additional requirements must be met:

VkPhysicalDeviceFeatures:

samplerAnisotropy

depthBiasClamp

Device extensions:

VK_KHR_draw_indirect_count

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