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Vulkan Example: Some code layout changes.

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This commit is contained in:
Håvard Mathisen 2016-03-10 12:30:38 +01:00
parent 4ea4fa3e73
commit 1394616d9c
1 changed files with 28 additions and 35 deletions
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63
examples/vulkan_example/imgui_impl_glfw_vulkan.cpp
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@ -228,7 +228,7 @@ static uint32_t ImGui_ImplGlfwVulkan_MemoryType(VkMemoryPropertyFlags properties
if((prop.memoryTypes[i].propertyFlags & properties) == properties && if((prop.memoryTypes[i].propertyFlags & properties) == properties &&
type_bits & (1<<i)) type_bits & (1<<i))
return i; return i;
return 0; return 0xffffffff; // Unable to find memoryType
} }
static void ImGui_ImplGlfwVulkan_VkResult(VkResult err) static void ImGui_ImplGlfwVulkan_VkResult(VkResult err)
{ {
@ -603,27 +603,24 @@ bool ImGui_ImplGlfwVulkan_CreateFontsTexture(VkCommandBuffer command_buffer)
ImGui_ImplGlfwVulkan_VkResult(err); ImGui_ImplGlfwVulkan_VkResult(err);
vkUnmapMemory(g_Device, g_UploadBufferMemory); vkUnmapMemory(g_Device, g_UploadBufferMemory);
} }
// Upload Barrier: // Copy to Image:
{ {
VkImageMemoryBarrier image_barrier[1] = {}; VkImageMemoryBarrier copy_barrier[1] = {};
image_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; copy_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
image_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; copy_barrier[0].dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
image_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED; copy_barrier[0].oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
image_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; copy_barrier[0].newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
image_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; copy_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
image_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; copy_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
image_barrier[0].image = g_FontImage; copy_barrier[0].image = g_FontImage;
image_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; copy_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
image_barrier[0].subresourceRange.levelCount = 1; copy_barrier[0].subresourceRange.levelCount = 1;
image_barrier[0].subresourceRange.layerCount = 1; copy_barrier[0].subresourceRange.layerCount = 1;
vkCmdPipelineBarrier(command_buffer, vkCmdPipelineBarrier(command_buffer,
VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_HOST_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT,
0, 0,
0, NULL, 0, NULL, 1, image_barrier); 0, NULL, 0, NULL, 1, copy_barrier);
}
// Copy to Image:
{
VkBufferImageCopy region = {}; VkBufferImageCopy region = {};
region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
region.imageSubresource.layerCount = 1; region.imageSubresource.layerCount = 1;
@ -634,26 +631,23 @@ bool ImGui_ImplGlfwVulkan_CreateFontsTexture(VkCommandBuffer command_buffer)
g_FontImage, g_FontImage,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &region); 1, &region);
} VkImageMemoryBarrier use_barrier[1] = {};
// Usage Barrier: use_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
{ use_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
VkImageMemoryBarrier image_barrier[1] = {}; use_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
image_barrier[0].sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; use_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
image_barrier[0].srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; use_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
image_barrier[0].dstAccessMask = VK_ACCESS_SHADER_READ_BIT; use_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
image_barrier[0].oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; use_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
image_barrier[0].newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; use_barrier[0].image = g_FontImage;
image_barrier[0].srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; use_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
image_barrier[0].dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; use_barrier[0].subresourceRange.levelCount = 1;
image_barrier[0].image = g_FontImage; use_barrier[0].subresourceRange.layerCount = 1;
image_barrier[0].subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
image_barrier[0].subresourceRange.levelCount = 1;
image_barrier[0].subresourceRange.layerCount = 1;
vkCmdPipelineBarrier(command_buffer, vkCmdPipelineBarrier(command_buffer,
VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,
0, 0,
0, NULL, 0, NULL, 1, image_barrier); 0, NULL, 0, NULL, 1, use_barrier);
} }
io.Fonts->TexID = (void *)(intptr_t)g_FontImage; io.Fonts->TexID = (void *)(intptr_t)g_FontImage;
@ -685,7 +679,6 @@ bool ImGui_ImplGlfwVulkan_CreateDeviceObjects()
err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module); err = vkCreateShaderModule(g_Device, &frag_info, g_Allocator, &frag_module);
ImGui_ImplGlfwVulkan_VkResult(err); ImGui_ImplGlfwVulkan_VkResult(err);
} }
if(!g_FontSampler){ if(!g_FontSampler){
VkSamplerCreateInfo info = {}; VkSamplerCreateInfo info = {};
info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO; info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
@ -703,7 +696,6 @@ bool ImGui_ImplGlfwVulkan_CreateDeviceObjects()
&g_FontSampler); &g_FontSampler);
ImGui_ImplGlfwVulkan_VkResult(err); ImGui_ImplGlfwVulkan_VkResult(err);
} }
if(!g_DescriptorSetLayout){ if(!g_DescriptorSetLayout){
VkSampler sampler[1] = {g_FontSampler}; VkSampler sampler[1] = {g_FontSampler};
VkDescriptorSetLayoutBinding binding[1] = {}; VkDescriptorSetLayoutBinding binding[1] = {};
@ -721,6 +713,7 @@ bool ImGui_ImplGlfwVulkan_CreateDeviceObjects()
&g_DescriptorSetLayout); &g_DescriptorSetLayout);
ImGui_ImplGlfwVulkan_VkResult(err); ImGui_ImplGlfwVulkan_VkResult(err);
} }
// Create Descriptor Set:
{ {
VkDescriptorSetAllocateInfo alloc_info = {}; VkDescriptorSetAllocateInfo alloc_info = {};
alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;