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https://git.code.sf.net/p/quake/quakeforge
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25559243ae
When allocating memory for multiple objects that have alignment requirements, it gets tedious keeping track of the offset and the alignment. This is a simple function for walking the offset respecting size and alignment requirements, and doubles as a size calculator.
52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
#ifndef __QF_Vulkan_buffer_h
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#define __QF_Vulkan_buffer_h
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#include "QF/darray.h"
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typedef struct qfv_buffertransition_s {
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VkBuffer buffer;
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VkAccessFlags srcAccess;
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VkAccessFlags dstAccess;
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uint32_t srcQueueFamily;
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uint32_t dstQueueFamily;
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VkDeviceSize offset;
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VkDeviceSize size;
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} qfv_buffertransition_t;
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typedef struct qfv_buffertransitionset_s
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DARRAY_TYPE (qfv_buffertransition_t) qfv_buffertransitionset_t;
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typedef struct qfv_bufferbarrierset_s
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DARRAY_TYPE (VkBufferMemoryBarrier) qfv_bufferbarrierset_t;
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typedef struct qfv_bufferset_s
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DARRAY_TYPE (VkBuffer) qfv_bufferset_t;
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#define QFV_AllocBufferSet(num, allocator) \
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DARRAY_ALLOCFIXED (qfv_bufferset_t, num, allocator)
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struct qfv_device_s;
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VkBuffer QFV_CreateBuffer (struct qfv_device_s *device,
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VkDeviceSize size,
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VkBufferUsageFlags usage);
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VkDeviceMemory QFV_AllocBufferMemory (struct qfv_device_s *device,
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VkBuffer buffer,
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VkMemoryPropertyFlags properties,
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VkDeviceSize size, VkDeviceSize offset);
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int QFV_BindBufferMemory (struct qfv_device_s *device,
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VkBuffer buffer, VkDeviceMemory object,
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VkDeviceSize offset);
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qfv_bufferbarrierset_t *
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QFV_CreateBufferTransitions (qfv_buffertransition_t *transitions,
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int numTransitions);
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VkBufferView QFV_CreateBufferView (struct qfv_device_s *device,
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VkBuffer buffer, VkFormat format,
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VkDeviceSize offset, VkDeviceSize size);
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VkDeviceSize QFV_NextOffset (VkDeviceSize current, VkDeviceSize count,
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const VkMemoryRequirements *requirements)
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__attribute__((pure));
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#endif//__QF_Vulkan_buffer_h
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