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Examples: Vulkan: Fixed Vulkan descriptor pools. (#6642)
Only use required no. of types and sets
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@ -95,6 +95,7 @@ Other changes:
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- Backends: GLFW: Revert ignoring mouse data on GLFW_CURSOR_DISABLED as it can be used
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differently. User may set ImGuiConfigFLags_NoMouse if desired. (#5625, #6609) [@scorpion-26]
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- Backends: WebGPU: Update for changes in Dawn. (#6602, #6188) [@williamhCode]
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- Examples: Vulkan: Creating minimal descriptor pools to fit only what is needed by example. (#6642) [@SaschaWillem]
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-----------------------------------------------------------------------
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@ -215,25 +215,17 @@ static void SetupVulkan(ImVector<const char*> instance_extensions)
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}
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// Create Descriptor Pool
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// The example only requires a single combined image sampler descriptor for the font image and only uses one descriptor set (for that)
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// If you wish to load e.g. additional textures you may need to alter pools sizes.
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{
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VkDescriptorPoolSize pool_sizes[] =
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{
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{ VK_DESCRIPTOR_TYPE_SAMPLER, 1000 },
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{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1000 },
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{ VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, 1000 },
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{ VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1000 },
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{ VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1000 },
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{ VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, 1000 },
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{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1000 },
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{ VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1000 },
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{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1000 },
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{ VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC, 1000 },
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{ VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 1000 }
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{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1 },
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};
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VkDescriptorPoolCreateInfo pool_info = {};
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pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
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pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
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pool_info.maxSets = 1000 * IM_ARRAYSIZE(pool_sizes);
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pool_info.maxSets = 1;
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pool_info.poolSizeCount = (uint32_t)IM_ARRAYSIZE(pool_sizes);
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pool_info.pPoolSizes = pool_sizes;
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err = vkCreateDescriptorPool(g_Device, &pool_info, g_Allocator, &g_DescriptorPool);
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@ -203,25 +203,17 @@ static void SetupVulkan(ImVector<const char*> instance_extensions)
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}
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// Create Descriptor Pool
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// The example only requires a single combined image sampler descriptor for the font image and only uses one descriptor set (for that)
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// If you wish to load e.g. additional textures you may need to alter pools sizes.
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{
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VkDescriptorPoolSize pool_sizes[] =
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{
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{ VK_DESCRIPTOR_TYPE_SAMPLER, 1000 },
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{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1000 },
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{ VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, 1000 },
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{ VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1000 },
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{ VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1000 },
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{ VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, 1000 },
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{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1000 },
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{ VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1000 },
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{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1000 },
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{ VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC, 1000 },
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{ VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 1000 }
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{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1 },
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};
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VkDescriptorPoolCreateInfo pool_info = {};
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pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
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pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
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pool_info.maxSets = 1000 * IM_ARRAYSIZE(pool_sizes);
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pool_info.maxSets = 1;
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pool_info.poolSizeCount = (uint32_t)IM_ARRAYSIZE(pool_sizes);
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pool_info.pPoolSizes = pool_sizes;
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err = vkCreateDescriptorPool(g_Device, &pool_info, g_Allocator, &g_DescriptorPool);
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