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gspgpu: Add gspHasGpuRight

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fincs 2020-06-14 01:19:13 +02:00
parent 5ac710a0a2
commit bf55423903
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GPG Key ID: 62C7609ADA219C60
2 changed files with 16 additions and 0 deletions
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3
libctru/include/3ds/services/gspgpu.h
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@ -89,6 +89,9 @@ Result gspInit(void);
/// Exits GSPGPU. /// Exits GSPGPU.
void gspExit(void); void gspExit(void);
/// Returns true if the application currently has GPU rights.
bool gspHasGpuRight(void);
/** /**
* @brief Presents a buffer to the specified screen. * @brief Presents a buffer to the specified screen.
* @param screen Screen ID (see \ref GSP_SCREEN_TOP and \ref GSP_SCREEN_BOTTOM) * @param screen Screen ID (see \ref GSP_SCREEN_TOP and \ref GSP_SCREEN_BOTTOM)

13
libctru/source/services/gspgpu.c
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@ -19,6 +19,8 @@ static Handle gspSharedMemHandle;
static void* gspSharedMem; static void* gspSharedMem;
static u8 gspThreadId; static u8 gspThreadId;
static bool gspGpuRight;
static Handle gspEvent; static Handle gspEvent;
static Thread gspEventThread; static Thread gspEventThread;
static volatile bool gspRunEvents; static volatile bool gspRunEvents;
@ -219,6 +221,11 @@ void gspExit(void)
svcCloseHandle(gspGpuHandle); svcCloseHandle(gspGpuHandle);
} }
bool gspHasGpuRight(void)
{
return gspGpuRight;
}
void gspPresentBuffer(unsigned screen, unsigned swap, const void* fb_a, const void* fb_b, u32 stride, u32 mode) void gspPresentBuffer(unsigned screen, unsigned swap, const void* fb_a, const void* fb_b, u32 stride, u32 mode)
{ {
GSPGPU_FramebufferInfo info; GSPGPU_FramebufferInfo info;
@ -554,6 +561,8 @@ Result GSPGPU_UnregisterInterruptRelayQueue(void)
Result GSPGPU_AcquireRight(u8 flags) Result GSPGPU_AcquireRight(u8 flags)
{ {
if(gspGpuRight) return 0;
u32* cmdbuf=getThreadCommandBuffer(); u32* cmdbuf=getThreadCommandBuffer();
cmdbuf[0]=IPC_MakeHeader(0x16,1,2); // 0x160042 cmdbuf[0]=IPC_MakeHeader(0x16,1,2); // 0x160042
cmdbuf[1]=flags; cmdbuf[1]=flags;
@ -562,17 +571,21 @@ Result GSPGPU_AcquireRight(u8 flags)
Result ret=0; Result ret=0;
if(R_FAILED(ret=svcSendSyncRequest(gspGpuHandle)))return ret; if(R_FAILED(ret=svcSendSyncRequest(gspGpuHandle)))return ret;
if(R_SUCCEEDED(cmdbuf[1])) gspGpuRight=true;
return cmdbuf[1]; return cmdbuf[1];
} }
Result GSPGPU_ReleaseRight(void) Result GSPGPU_ReleaseRight(void)
{ {
if(!gspGpuRight) return 0;
u32* cmdbuf=getThreadCommandBuffer(); u32* cmdbuf=getThreadCommandBuffer();
cmdbuf[0]=IPC_MakeHeader(0x17,0,0); // 0x170000 cmdbuf[0]=IPC_MakeHeader(0x17,0,0); // 0x170000
Result ret=0; Result ret=0;
if(R_FAILED(ret=svcSendSyncRequest(gspGpuHandle)))return ret; if(R_FAILED(ret=svcSendSyncRequest(gspGpuHandle)))return ret;
if(R_SUCCEEDED(cmdbuf[1])) gspGpuRight=false;
return cmdbuf[1]; return cmdbuf[1];
} }