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v3dv: Implement vkGetPhysicalDeviceProperties
This is just something to get us going. We will need to tune all these limits as we make progress with driver features. Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6766>
This commit is contained in:
Iago Toral Quiroga
Marge Bot
parent
fc52dc8d7d
commit
0e0f18ae5e
1 changed files with 187 additions and 1 deletions
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@ -341,11 +341,197 @@ v3dv_GetPhysicalDeviceFeatures(VkPhysicalDevice physicalDevice,
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/* FIXME: stub */
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}
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static uint64_t
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compute_heap_size()
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{
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/* Query the total ram from the system */
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struct sysinfo info;
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sysinfo(&info);
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uint64_t total_ram = (uint64_t)info.totalram * (uint64_t)info.mem_unit;
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/* We don't want to burn too much ram with the GPU. If the user has 4GiB
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* or less, we use at most half. If they have more than 4GiB, we use 3/4.
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*/
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uint64_t available_ram;
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if (total_ram <= 4ull * 1024ull * 1024ull * 1024ull)
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available_ram = total_ram / 2;
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else
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available_ram = total_ram * 3 / 4;
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return available_ram;
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}
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void
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v3dv_GetPhysicalDeviceProperties(VkPhysicalDevice physicalDevice,
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VkPhysicalDeviceProperties *pProperties)
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{
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/* FIXME: stub */
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V3DV_FROM_HANDLE(v3dv_physical_device, pdevice, physicalDevice);
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const uint32_t page_size = 4096;
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const uint32_t mem_size = compute_heap_size();
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/* Per-stage limits */
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const uint32_t max_samplers = 16;
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const uint32_t max_uniform_buffers = 12;
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const uint32_t max_storage_buffers = 4;
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const uint32_t max_sampled_images = 16;
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const uint32_t max_storage_images = 4;
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const uint32_t max_vertex_attributes = 16;
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const uint32_t max_varying_components = 16 * 4;
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const uint32_t max_render_targets = 4;
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const uint32_t v3d_coord_shift = 6;
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const uint32_t v3d_coord_scale = (1 << v3d_coord_shift);
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const float point_size_granularity = 2.0f / v3d_coord_scale;
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const uint32_t max_fb_size = 4096;
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const VkSampleCountFlags supported_sample_counts = VK_SAMPLE_COUNT_1_BIT;
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/* FIXME: this will probably require an in-depth review */
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VkPhysicalDeviceLimits limits = {
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.maxImageDimension1D = 4096,
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.maxImageDimension2D = 4096,
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.maxImageDimension3D = 4096,
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.maxImageDimensionCube = 4096,
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.maxImageArrayLayers = 2048,
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.maxTexelBufferElements = (1ul << 28),
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.maxUniformBufferRange = (1ul << 27) - 1,
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.maxStorageBufferRange = (1ul << 27) - 1,
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.maxPushConstantsSize = (1ul << 27) - 1,
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.maxMemoryAllocationCount = mem_size / page_size,
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.maxSamplerAllocationCount = 64 * 1024,
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.bufferImageGranularity = 256, /* A cache line */
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.sparseAddressSpaceSize = 0,
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.maxBoundDescriptorSets = 16,
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.maxPerStageDescriptorSamplers = max_samplers,
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.maxPerStageDescriptorUniformBuffers = max_uniform_buffers,
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.maxPerStageDescriptorStorageBuffers = max_storage_buffers,
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.maxPerStageDescriptorSampledImages = max_sampled_images,
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.maxPerStageDescriptorStorageImages = max_storage_images,
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.maxPerStageDescriptorInputAttachments = 4,
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.maxPerStageResources = 128,
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/* We multiply some limits by 6 to account for all shader stages */
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.maxDescriptorSetSamplers = 6 * max_samplers,
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.maxDescriptorSetUniformBuffers = 6 * max_uniform_buffers,
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.maxDescriptorSetUniformBuffersDynamic = 8,
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.maxDescriptorSetStorageBuffers = 6 * max_storage_buffers,
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.maxDescriptorSetStorageBuffersDynamic = 4,
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.maxDescriptorSetSampledImages = 6 * max_sampled_images,
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.maxDescriptorSetStorageImages = 6 * max_storage_images,
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.maxDescriptorSetInputAttachments = 4,
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/* Vertex limits */
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.maxVertexInputAttributes = max_vertex_attributes,
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.maxVertexInputBindings = max_vertex_attributes,
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.maxVertexInputAttributeOffset = 0xffffffff,
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.maxVertexInputBindingStride = 0xffffffff,
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.maxVertexOutputComponents = max_varying_components,
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/* Tessellation limits */
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.maxTessellationGenerationLevel = 0,
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.maxTessellationPatchSize = 0,
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.maxTessellationControlPerVertexInputComponents = 0,
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.maxTessellationControlPerVertexOutputComponents = 0,
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.maxTessellationControlPerPatchOutputComponents = 0,
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.maxTessellationControlTotalOutputComponents = 0,
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.maxTessellationEvaluationInputComponents = 0,
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.maxTessellationEvaluationOutputComponents = 0,
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/* Geometry limits */
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.maxGeometryShaderInvocations = 0,
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.maxGeometryInputComponents = 0,
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.maxGeometryOutputComponents = 0,
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.maxGeometryOutputVertices = 0,
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.maxGeometryTotalOutputComponents = 0,
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/* Fragment limits */
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.maxFragmentInputComponents = max_varying_components,
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.maxFragmentOutputAttachments = 4,
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.maxFragmentDualSrcAttachments = 0,
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.maxFragmentCombinedOutputResources = max_render_targets +
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max_storage_buffers +
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max_storage_images,
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/* Compute limits */
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.maxComputeSharedMemorySize = 16384,
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.maxComputeWorkGroupCount = { 65535, 65535, 65535 },
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.maxComputeWorkGroupInvocations = 256,
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.maxComputeWorkGroupSize = { 256, 256, 256 },
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.subPixelPrecisionBits = v3d_coord_shift,
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.subTexelPrecisionBits = 8,
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.mipmapPrecisionBits = 8,
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.maxDrawIndexedIndexValue = 0x00ffffff,
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.maxDrawIndirectCount = 0x7fffffff,
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.maxSamplerLodBias = 14.0f,
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.maxSamplerAnisotropy = 16.0f,
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.maxViewports = 1,
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.maxViewportDimensions = { max_fb_size, max_fb_size },
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.viewportBoundsRange = { -2.0 * max_fb_size,
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2.0 * max_fb_size - 1 },
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.viewportSubPixelBits = 0,
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.minMemoryMapAlignment = page_size,
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.minTexelBufferOffsetAlignment = 16,
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.minUniformBufferOffsetAlignment = 256,
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.minStorageBufferOffsetAlignment = 256,
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.minTexelOffset = -8,
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.maxTexelOffset = 7,
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.minTexelGatherOffset = -8,
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.maxTexelGatherOffset = 7,
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.minInterpolationOffset = -0.5,
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.maxInterpolationOffset = 0.5,
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.subPixelInterpolationOffsetBits = v3d_coord_shift,
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.maxFramebufferWidth = max_fb_size,
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.maxFramebufferHeight = max_fb_size,
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.maxFramebufferLayers = 256,
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.framebufferColorSampleCounts = supported_sample_counts,
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.framebufferDepthSampleCounts = supported_sample_counts,
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.framebufferStencilSampleCounts = supported_sample_counts,
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.framebufferNoAttachmentsSampleCounts = supported_sample_counts,
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.maxColorAttachments = max_render_targets,
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.sampledImageColorSampleCounts = supported_sample_counts,
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.sampledImageIntegerSampleCounts = supported_sample_counts,
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.sampledImageDepthSampleCounts = supported_sample_counts,
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.sampledImageStencilSampleCounts = supported_sample_counts,
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.storageImageSampleCounts = VK_SAMPLE_COUNT_1_BIT,
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.maxSampleMaskWords = 1,
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.timestampComputeAndGraphics = false,
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.timestampPeriod = 0.0f,
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.maxClipDistances = 0,
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.maxCullDistances = 0,
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.maxCombinedClipAndCullDistances = 0,
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.discreteQueuePriorities = 2,
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.pointSizeRange = { point_size_granularity,
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512.0f },
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.lineWidthRange = { 1.0f, 1.0f },
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.pointSizeGranularity = point_size_granularity,
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.lineWidthGranularity = 0.0f,
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.strictLines = true,
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.standardSampleLocations = false,
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.optimalBufferCopyOffsetAlignment = 32,
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.optimalBufferCopyRowPitchAlignment = 32,
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.nonCoherentAtomSize = 256,
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};
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*pProperties = (VkPhysicalDeviceProperties) {
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.apiVersion = v3dv_physical_device_api_version(pdevice),
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.driverVersion = vk_get_driver_version(),
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.vendorID = 0x14E4,
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.deviceID = 0, /* FIXME */
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.deviceType = VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU,
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.limits = limits,
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.sparseProperties = { 0 },
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};
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snprintf(pProperties->deviceName, sizeof(pProperties->deviceName),
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"%s", pdevice->name);
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memcpy(pProperties->pipelineCacheUUID,
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pdevice->pipeline_cache_uuid, VK_UUID_SIZE);
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}
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void
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