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Add support for video memory alloc/free

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This commit is contained in:
Maschell 2019-02-08 16:33:18 +01:00
parent b29787896c
commit 0ca7b8a344
3 changed files with 62 additions and 0 deletions
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34
src/memory.cpp Normal file
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@ -0,0 +1,34 @@
#include <wups.h>
#ifdef __cplusplus
extern "C" {
#endif
static VideoMemoryAllocFunction vid_mem_alloc_ptr __attribute__((section(".data"))) = NULL;
static VideoMemoryFreeFunction vid_mem_free_ptr __attribute__((section(".data"))) = NULL;
void WUPS_InitVidMem(wups_loader_init_vid_mem_args_t args) {
vid_mem_alloc_ptr = args.vid_mem_alloc_ptr;
vid_mem_free_ptr = args.vid_mem_free_ptr;
}
void * WUPS_VideoMemMemalign(uint32_t size, int32_t align) {
if(vid_mem_alloc_ptr != NULL) {
return vid_mem_alloc_ptr(size, align);
}
return 0;
}
void * WUPS_VideoMemAlloc(uint32_t size) {
return WUPS_VideoMemMemalign(size, 4);
}
void WUPS_VideoMemFree(void *addr) {
if(vid_mem_free_ptr != NULL) {
vid_mem_free_ptr(addr);
}
}
#ifdef __cplusplus
}
#endif

8
wups_include/wups/hooks.h
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@ -46,6 +46,7 @@ typedef enum wups_loader_hook_type_t {
WUPS_LOADER_HOOK_INIT_KERNEL, /* Only for internal usage */
WUPS_LOADER_HOOK_GET_CONFIG, /* Called when the config-menu will be loaded */
WUPS_LOADER_HOOK_INIT_VID_MEM, /* Only for internal usage */
} wups_loader_hook_type_t;
typedef struct wups_loader_hook_t {
@ -80,6 +81,13 @@ typedef struct wups_loader_app_started_args_t {
WUPS_InitOverlay(args);\
}
#define WUPS_USE_VIDEO_MEMORY() \
void init_vid_mem(wups_loader_init_vid_mem_args_t);\
WUPS_HOOK_EX(WUPS_LOADER_HOOK_INIT_VID_MEM,init_vid_mem); \
void init_vid_mem(wups_loader_init_vid_mem_args_t args){ \
WUPS_InitVidMem(args);\
}
#define WUPS_ALLOW_KERNEL() \
void init_kernel(wups_loader_init_kernel_args_t);\
WUPS_HOOK_EX(WUPS_LOADER_HOOK_INIT_KERNEL,init_kernel); \

20
wups_include/wups/utils.h
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@ -77,6 +77,14 @@ typedef struct wups_loader_init_kernel_args_t_ {
KernelCopyDataFunction kern_copy_data_ptr;
} wups_loader_init_kernel_args_t;
typedef void* (*VideoMemoryAllocFunction)(uint32_t size, int32_t align);
typedef void (*VideoMemoryFreeFunction)(void *addr);
typedef struct wups_loader_init_vid_mem_args_t_ {
VideoMemoryAllocFunction vid_mem_alloc_ptr;
VideoMemoryFreeFunction vid_mem_free_ptr;
} wups_loader_init_vid_mem_args_t;
/*
Gets called by the framework
*/
@ -100,6 +108,12 @@ void WUPS_InitOverlay(wups_loader_init_overlay_args_t args);
**/
void WUPS_InitKernel(wups_loader_init_kernel_args_t args);
/**
Sets the function pointers for video mem functions.
If none or NULL pointers is provided, calling the corresponding function has no effect.
**/
void WUPS_InitVidMem(wups_loader_init_vid_mem_args_t args);
/*
Can be called by the user.
*/
@ -132,6 +146,12 @@ void WUPS_KernelWrite(void *addr, uint32_t value);
**/
void WUPS_KernelCopyDataFunction(uint32_t addr, uint32_t src, uint32_t len);
void * WUPS_VideoMemAlloc(uint32_t size);
void * WUPS_VideoMemMemalign(uint32_t size, int32_t align);
void WUPS_VideoMemFree(void *addr);
#ifdef __cplusplus
}
#endif