[WIP] Llvmpipe device #955
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| // erase extensions not supported by llvm | ||
| { | ||
| core::vector<const char*> llvmUnsupportedExtensions = { | ||
| "VK_NV_shader_image_footprint", | ||
| "VK_KHR_fragment_shader_barycentric", | ||
| "VK_EXT_conservative_rasterization", | ||
| "VK_KHR_external_memory_win32", | ||
| "VK_KHR_shader_subgroup_uniform_control_flow", | ||
| "VK_EXT_pci_bus_info", | ||
| "VK_KHR_external_fence_win32", | ||
| "VK_KHR_external_semaphore_win32", | ||
| "VK_KHR_win32_keyed_mutex", | ||
| "VK_EXT_discard_rectangles" | ||
| "VK_NV_compute_shader_derivatives", | ||
| "VK_NV_shader_sm_builtins" | ||
| }; | ||
|
|
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| for (const char* extension : llvmUnsupportedExtensions) | ||
| { | ||
| auto it = std::find_if(extensionStrings.begin(), extensionStrings.end(), [extension](const char* s) { return std::strcmp(s, extension) == 0; }); | ||
| if(it != extensionStrings.end()) | ||
| extensionStrings.erase(it); | ||
| } | ||
| } |
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this can get removed, we achieve much better with Vulkan Configurator & Profile Layer
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| "name": "subgroupOpsShaderStages", | ||
| "value": "asset::IShader::E_SHADER_STAGE::ESS_COMPUTE | asset::IShader::E_SHADER_STAGE::ESS_ALL_GRAPHICS" | ||
| "value": "asset::IShader::E_SHADER_STAGE::ESS_UNKNOWN" |
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what does llvm-pipe report here ?
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| "name": "supportedDepthResolveModes", | ||
| "value": "RESOLVE_MODE_FLAGS::SAMPLE_ZERO_BIT | RESOLVE_MODE_FLAGS::MIN_BIT | RESOLVE_MODE_FLAGS::MAX_BIT" | ||
| "value": "RESOLVE_MODE_FLAGS::SAMPLE_ZERO_BIT" |
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if we intend to downgrade Nabla (by merging this PR) then we need to neatly handle this in renderpass creation
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| // remove inheritedQueries since llvmpipe doesn't support it | ||
| vk_deviceFeatures2.features.inheritedQueries = VK_FALSE; | ||
| //vk_deviceFeatures2.features = VkPhysicalDeviceFeatures{}; |
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if we intend to downgrade Nabla permamently, then we need to bring inheritedQueries into the Nabla limits JSON
then check in commandbuffers that when someone is recording an execute secondary commandbuffers command in a primary cmdbuf, no queries are open unless inheritedQueries limit is true
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Description
Testing
TODO list: