.pNext = &img_alloc,
.allocationSize = 0,
.alignment = 0,
+ .memProps = XGL_MEMORY_PROPERTY_GPU_ONLY,
.flags = 0,
.heapCount = 0,
.memPriority = XGL_MEMORY_PRIORITY_NORMAL,
.pNext = &img_alloc,
.allocationSize = 0,
.alignment = 0,
+ .memProps = XGL_MEMORY_PROPERTY_GPU_ONLY,
.flags = 0,
.heapCount = 0,
.pHeaps = 0,
.pNext = &buf_alloc,
.allocationSize = 0,
.alignment = 0,
+ .memProps = XGL_MEMORY_PROPERTY_CPU_VISIBLE_BIT,
.flags = 0,
.heapCount = 0,
.memPriority = XGL_MEMORY_PRIORITY_NORMAL,
.pNext = &img_alloc,
.allocationSize = 0,
.alignment = 0,
+ .memProps = XGL_MEMORY_PROPERTY_GPU_ONLY,
.flags = 0,
.heapCount = 0,
.memPriority = XGL_MEMORY_PRIORITY_NORMAL,
.pNext = &img_alloc,
.allocationSize = 0,
.alignment = 0,
+ .memProps = XGL_MEMORY_PROPERTY_GPU_ONLY,
.flags = 0,
.heapCount = 0,
.memPriority = XGL_MEMORY_PRIORITY_NORMAL,
.pNext = &buf_alloc,
.allocationSize = 0,
.alignment = 0,
+ .memProps = XGL_MEMORY_PROPERTY_CPU_VISIBLE_BIT,
.flags = 0,
.heapCount = 0,
.pHeaps = 0,
XGL_QUEUE_EXTENDED_BIT = 0x80000000 // Extended queue
} XGL_QUEUE_FLAGS;
-// Memory heap properties
-typedef enum _XGL_MEMORY_HEAP_FLAGS
-{
- XGL_MEMORY_HEAP_CPU_VISIBLE_BIT = 0x00000001,
- XGL_MEMORY_HEAP_CPU_GPU_COHERENT_BIT = 0x00000002,
- XGL_MEMORY_HEAP_CPU_UNCACHED_BIT = 0x00000004,
- XGL_MEMORY_HEAP_CPU_WRITE_COMBINED_BIT = 0x00000008,
- XGL_MEMORY_HEAP_HOLDS_PINNED_BIT = 0x00000010,
- XGL_MEMORY_HEAP_SHAREABLE_BIT = 0x00000020,
-} XGL_MEMORY_HEAP_FLAGS;
+// memory properties passed into xglAllocMemory().
+typedef enum _XGL_MEMORY_PROPERTY_FLAGS
+{
+ XGL_MEMORY_PROPERTY_GPU_ONLY = 0x00000000, // If not set, then allocate memory on device (GPU)
+ XGL_MEMORY_PROPERTY_CPU_VISIBLE_BIT = 0x00000001,
+ XGL_MEMORY_PROPERTY_CPU_GPU_COHERENT_BIT = 0x00000002,
+ XGL_MEMORY_PROPERTY_CPU_UNCACHED_BIT = 0x00000004,
+ XGL_MEMORY_PROPERTY_CPU_WRITE_COMBINED_BIT = 0x00000008,
+ XGL_MEMORY_PROPERTY_PREFER_CPU_LOCAL = 0x00000010, // all else being equal, prefer CPU access
+ XGL_MEMORY_PROPERTY_SHAREABLE_BIT = 0x00000020,
+ XGL_MAX_ENUM(_XGL_MEMORY_PROPERTY_FLAGS)
+} XGL_MEMORY_PROPERTY_FLAGS;
// Memory allocation flags
typedef enum _XGL_MEMORY_ALLOC_FLAGS
XGL_UINT heapCount;
const XGL_UINT* pHeaps;
XGL_MEMORY_PRIORITY memPriority;
+ XGL_FLAGS memProps; // XGL_MEMORY_PROPERTY_FLAGS
} XGL_MEMORY_ALLOC_INFO;
// This structure is included in the XGL_MEMORY_ALLOC_INFO chain
XGL_GPU_SIZE granularity; // Granularity on which xglBindObjectMemoryRange can bind sub-ranges of memory specified in bytes (usually the page size)
XGL_UINT heapCount;
XGL_UINT* pHeaps;
+ XGL_FLAGS memProps; // XGL_MEMORY_PROPERTY_FLAGS
} XGL_MEMORY_REQUIREMENTS;
typedef struct _XGL_BUFFER_MEMORY_REQUIREMENTS