WiiUPluginSystem/libraries/libwups/overlay.cpp
2020-04-29 17:53:53 +02:00

111 lines
3.4 KiB
C++

#define _GNU_SOURCE
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stddef.h>
#include <stdint.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <dirent.h>
#include <wups.h>
#ifdef __cplusplus
extern "C" {
#endif
void OSScreenInit(void);
void OSScreenShutdown(void);
uint32_t OSScreenGetBufferSizeEx(uint32_t bufferNum);
void OSScreenSetBufferEx(uint32_t bufferNum, void * addr);
void OSScreenClearBufferEx(uint32_t bufferNum, uint32_t temp);
void OSScreenFlipBuffersEx(uint32_t bufferNum);
void OSScreenPutFontEx(uint32_t bufferNum, uint32_t posX, uint32_t posY, const char * buffer);
void OSScreenEnableEx(uint32_t bufferNum, int32_t enable);
void OSScreenPutPixelEx(uint32_t bufferNum, uint32_t posX, uint32_t posY, uint32_t color);
static OverlayOpenFunction overlayfunction_ptr __attribute__((section(".data"))) = NULL;
static ConvertTextureFunction textureconvertfunction_ptr __attribute__((section(".data"))) = NULL;
static DrawTextureFunction drawtexturefunction_ptr __attribute__((section(".data"))) = NULL;
void WUPS_InitOverlay(wups_loader_init_overlay_args_t args) {
overlayfunction_ptr = args.overlayfunction_ptr;
textureconvertfunction_ptr = args.textureconvertfunction_ptr;
drawtexturefunction_ptr = args.drawtexturefunction_ptr;
}
void WUPS_Overlay_PrintTextOnScreen(wups_overlay_options_type_t screen, int x,int y, const char * msg, ...) {
if(screen == WUPS_OVERLAY_NONE) {
return;
}
char * tmp = NULL;
va_list va;
va_start(va, msg);
if((vasprintf(&tmp, msg, va) >= 0) && tmp) {
if(screen != WUPS_OVERLAY_DRC_ONLY) { // Draw TV if it's not DRC exclusive.
OSScreenPutFontEx(0, x, y, tmp);
}
if(screen != WUPS_OVERLAY_TV_ONLY) { // Draw DRC if it's not TV exclusive.
OSScreenPutFontEx(1, x, y, tmp);
}
}
va_end(va);
if(tmp) {
free(tmp);
}
}
void WUPS_Overlay_OSScreenClear(wups_overlay_options_type_t screen) {
if(screen == WUPS_OVERLAY_NONE) {
return;
}
if(screen != WUPS_OVERLAY_DRC_ONLY) { // Clear TV if it's not DRC exclusive.
OSScreenClearBufferEx(0, 0);
}
if(screen != WUPS_OVERLAY_TV_ONLY) { // Clear DRC if it's not TV exclusive.
OSScreenClearBufferEx(1, 0);
}
}
void WUPS_Overlay_FlipBuffers(wups_overlay_options_type_t screen) {
if(screen == WUPS_OVERLAY_NONE) {
return;
}
if(screen != WUPS_OVERLAY_DRC_ONLY) { // Flip TV buffer if it's not DRC exclusive.
OSScreenFlipBuffersEx(0);
}
if(screen != WUPS_OVERLAY_TV_ONLY) { // Flip DRC buffer if it's not TV exclusive.
OSScreenFlipBuffersEx(1);
}
}
void WUPS_OpenOverlay(wups_overlay_options_type_t screen, overlay_callback callback, void* arg) {
if(overlayfunction_ptr != NULL) {
overlayfunction_ptr(screen, callback, arg);
}
}
bool WUPS_ConvertImageToTexture(const uint8_t *img, int32_t imgSize, void * texture) {
if(textureconvertfunction_ptr != NULL) {
return textureconvertfunction_ptr(img, imgSize, texture);
}
return false;
}
void WUPS_DrawTexture(void * texture, void * sampler, float x, float y, int32_t width, int32_t height, float alpha = 1.0f) {
if(drawtexturefunction_ptr != NULL) {
drawtexturefunction_ptr(texture, sampler, x, y, width, height, alpha);
}
}
#ifdef __cplusplus
}
#endif