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Fixed image layout transitions and initial layouts and command buffer submissions for offscreen examples

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This commit is contained in:
saschawillems 2016-03-13 16:04:39 +01:00
parent 01f0a1a574
commit 72e6cd8ee5
5 changed files with 77 additions and 46 deletions
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14
radialblur/radialblur.cpp
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@ -175,6 +175,8 @@ public:
// the offscreen framebuffer
void prepareTextureTarget(vkTools::VulkanTexture *tex, uint32_t width, uint32_t height, VkFormat format)
{
createSetupCommandBuffer();
VkFormatProperties formatProperties;
VkResult err;
@ -196,6 +198,8 @@ public:
imageCreateInfo.arrayLayers = 1;
imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageCreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_PREINITIALIZED;
// Texture will be sampled in a shader and is also the blit destination
imageCreateInfo.usage = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
@ -212,13 +216,13 @@ public:
err = vkBindImageMemory(device, tex->image, tex->deviceMemory, 0);
assert(!err);
// Transform image layout to transer destination
tex->imageLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
// Transform image layout to transfer destination
tex->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
vkTools::setImageLayout(
setupCmdBuffer,
tex->image,
VK_IMAGE_ASPECT_COLOR_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_PREINITIALIZED,
tex->imageLayout);
// Create sampler
@ -248,6 +252,8 @@ public:
view.image = tex->image;
err = vkCreateImageView(device, &view, nullptr, &tex->view);
assert(!err);
flushSetupCommandBuffer();
}
// Prepare a new framebuffer for offscreen rendering
@ -348,7 +354,7 @@ public:
vkTools::setImageLayout(
setupCmdBuffer,
offScreenFrameBuf.depth.image,
VK_IMAGE_ASPECT_DEPTH_BIT,
VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);