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Added flush for modified (mapped) buffer's memory and removed unnecessary CommitMemoryChanges() function in Tutorial04.

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This commit is contained in:
plapins
2016-06-02 12:41:49 +02:00
parent 49a1cac9d2
commit 24131e6a8e
3 changed files with 21 additions and 68 deletions
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1
Project/Common/ListOfFunctions.inl
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@@ -146,6 +146,7 @@ VK_DEVICE_LEVEL_FUNCTION( vkGetBufferMemoryRequirements )
VK_DEVICE_LEVEL_FUNCTION( vkAllocateMemory )
VK_DEVICE_LEVEL_FUNCTION( vkBindBufferMemory )
VK_DEVICE_LEVEL_FUNCTION( vkMapMemory )
VK_DEVICE_LEVEL_FUNCTION( vkFlushMappedMemoryRanges )
VK_DEVICE_LEVEL_FUNCTION( vkUnmapMemory )
VK_DEVICE_LEVEL_FUNCTION( vkCmdSetViewport )
VK_DEVICE_LEVEL_FUNCTION( vkCmdSetScissor )

69
Project/Tutorial04/Tutorial04.cpp
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@@ -441,12 +441,16 @@ namespace ApiWithoutSecrets {
memcpy( vertex_buffer_memory_pointer, vertex_data, Vulkan.VertexBuffer.Size );
vkUnmapMemory( GetDevice(), Vulkan.VertexBuffer.Memory );
VkMappedMemoryRange flush_range = {
VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE, // VkStructureType sType
nullptr, // const void *pNext
Vulkan.VertexBuffer.Memory, // VkDeviceMemory memory
0, // VkDeviceSize offset
VK_WHOLE_SIZE // VkDeviceSize size
};
vkFlushMappedMemoryRanges( GetDevice(), 1, &flush_range );
if( !CommitMemoryChanges( Vulkan.VertexBuffer.Handle, Vulkan.VertexBuffer.Size ) ) {
std::cout << "Could not setup a barrier for a vertex buffer!" << std::endl;
return false;
}
vkUnmapMemory( GetDevice(), Vulkan.VertexBuffer.Memory );
return true;
}
@@ -477,58 +481,7 @@ namespace ApiWithoutSecrets {
return false;
}
bool Tutorial04::CommitMemoryChanges( VkBuffer buffer, VkDeviceSize size ) {
VkCommandBufferBeginInfo command_buffer_begin_info = {
VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, // VkStructureType sType
nullptr, // const void *pNext
VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT, // VkCommandBufferUsageFlags flags
nullptr // const VkCommandBufferInheritanceInfo *pInheritanceInfo
};
VkBufferMemoryBarrier barrier_from_host_write_to_attribute_read = {
VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER, // VkStructureType sType
nullptr, // const void *pNext
VK_ACCESS_HOST_WRITE_BIT, // VkAccessFlags srcAccessMask
VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT, // VkAccessFlags dstAccessMask
GetGraphicsQueue().FamilyIndex, // uint32_t srcQueueFamilyIndex
GetGraphicsQueue().FamilyIndex, // uint32_t dstQueueFamilyIndex
buffer, // VkBuffer buffer
0, // VkDeviceSize offset
size // VkDeviceSize size
};
vkBeginCommandBuffer( Vulkan.RenderingResources[0].CommandBuffer, &command_buffer_begin_info );
vkCmdPipelineBarrier( Vulkan.RenderingResources[0].CommandBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, nullptr, 1, &barrier_from_host_write_to_attribute_read, 0, nullptr );
if( vkEndCommandBuffer( Vulkan.RenderingResources[0].CommandBuffer ) != VK_SUCCESS ) {
std::cout << "Could not record command with buffer barrier!" << std::endl;
return false;
}
VkSubmitInfo submit_rendering_info = {
VK_STRUCTURE_TYPE_SUBMIT_INFO, // VkStructureType sType
nullptr, // const void *pNext
0, // uint32_t waitSemaphoreCount
nullptr, // const VkSemaphore *pWaitSemaphores
nullptr, // const VkPipelineStageFlags *pWaitDstStageMask;
1, // uint32_t commandBufferCount
&Vulkan.RenderingResources[0].CommandBuffer, // const VkCommandBuffer *pCommandBuffers
0, // uint32_t signalSemaphoreCount
nullptr // const VkSemaphore *pSignalSemaphores
};
if( vkQueueSubmit( GetGraphicsQueue().Handle, 1, &submit_rendering_info, VK_NULL_HANDLE ) != VK_SUCCESS ) {
std::cout << "Error occurred during submission of command buffer with vertex buffer barrier!!" << std::endl;
return false;
}
vkDeviceWaitIdle( GetDevice() );
return true;
}
bool Tutorial04::RecordCommandBuffer( VkCommandBuffer command_buffer, const ImageParameters &image_parameters, VkFramebuffer &framebuffer ) {
bool Tutorial04::PrepareFrame( VkCommandBuffer command_buffer, const ImageParameters &image_parameters, VkFramebuffer &framebuffer ) {
if( !CreateFramebuffer( framebuffer, image_parameters.ImageView ) ) {
return false;
}
@@ -696,7 +649,7 @@ namespace ApiWithoutSecrets {
return false;
}
if( !RecordCommandBuffer( current_rendering_resource.CommandBuffer, GetSwapChain().Images[image_index], current_rendering_resource.Framebuffer ) ) {
if( !PrepareFrame( current_rendering_resource.CommandBuffer, GetSwapChain( ).Images[image_index], current_rendering_resource.Framebuffer ) ) {
return false;
}

3
Project/Tutorial04/Tutorial04.h
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@@ -115,8 +115,7 @@ namespace ApiWithoutSecrets {
bool CreateSemaphores();
bool CreateFences();
bool AllocateBufferMemory( VkBuffer buffer, VkDeviceMemory *memory );
bool CommitMemoryChanges( VkBuffer buffer, VkDeviceSize size );
bool RecordCommandBuffer( VkCommandBuffer command_buffer, const ImageParameters &image_parameters, VkFramebuffer &framebuffer );
bool PrepareFrame( VkCommandBuffer command_buffer, const ImageParameters &image_parameters, VkFramebuffer &framebuffer );
bool CreateFramebuffer( VkFramebuffer &framebuffer, VkImageView image_view );
void ChildClear() override;