Add support for video memory alloc/free

src/memory.cpp

@@ -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

wups_include/wups/hooks.h

@@ -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); \

wups_include/wups/utils.h

@@ -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