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https://github.com/gnif/LookingGlass.git
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[client] code cleanup
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a54f3000f5
commit
7638925387
@ -149,6 +149,37 @@ inline bool areFormatsSame(const struct KVMGFXHeader s1, const struct KVMGFXHead
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(s1.height == s2.height );
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(s1.height == s2.height );
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}
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}
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inline bool waitGuest()
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{
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bool ready = false;
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bool error = false;
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while(state.running && !ready && !error)
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{
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switch(ivshmem_wait_irq(0))
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{
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case IVSHMEM_WAIT_RESULT_OK:
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ready = true;
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break;
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case IVSHMEM_WAIT_RESULT_TIMEOUT:
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ivshmem_kick_irq(state.shm->guestID, 0);
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break;
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case IVSHMEM_WAIT_RESULT_ERROR:
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error = true;
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break;
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}
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}
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if (error)
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{
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DEBUG_ERROR("error during wait for host");
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return false;
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}
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return true;
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}
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int renderThread(void * unused)
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int renderThread(void * unused)
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{
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{
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struct KVMGFXHeader header;
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struct KVMGFXHeader header;
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@ -170,13 +201,15 @@ int renderThread(void * unused)
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memset(&header, 0, sizeof(struct KVMGFXHeader));
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memset(&header, 0, sizeof(struct KVMGFXHeader));
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// kick the guest early for our intial frame
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// initial guest kick to get things started
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// the guestID may be invalid, it doesn't matter
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ivshmem_kick_irq(state.shm->guestID, 0);
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ivshmem_kick_irq(state.shm->guestID, 0);
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while(state.running)
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while(state.running)
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{
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{
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// copy the header for our use
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// wait for the guest to signal ready and copy the header
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if (!waitGuest())
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break;
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memcpy(&newHeader, state.shm, sizeof(struct KVMGFXHeader));
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memcpy(&newHeader, state.shm, sizeof(struct KVMGFXHeader));
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ivshmem_kick_irq(newHeader.guestID, 0);
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ivshmem_kick_irq(newHeader.guestID, 0);
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@ -471,34 +504,6 @@ int renderThread(void * unused)
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SDL_RenderPresent(state.renderer);
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SDL_RenderPresent(state.renderer);
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state.started = true;
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state.started = true;
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bool ready = false;
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bool error = false;
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while(state.running && !ready && !error)
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{
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// kick the guest and wait for a frame
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switch(ivshmem_wait_irq(0))
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{
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case IVSHMEM_WAIT_RESULT_OK:
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ready = true;
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break;
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case IVSHMEM_WAIT_RESULT_TIMEOUT:
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ivshmem_kick_irq(newHeader.guestID, 0);
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ready = false;
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break;
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case IVSHMEM_WAIT_RESULT_ERROR:
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error = true;
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break;
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}
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}
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if (error)
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{
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DEBUG_ERROR("error during wait for host");
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break;
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}
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}
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}
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state.running = false;
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state.running = false;
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