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Corrected issue with transparent surface in Raspberry Pi

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Ray 2014-09-30 18:22:21 +02:00
parent 9b5e66f5ea
commit 063e26c521
1 changed files with 9 additions and 3 deletions
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10
src/core.c
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@ -965,6 +965,7 @@ static void InitDisplay(int width, int height)
DISPMANX_ELEMENT_HANDLE_T dispmanElement; DISPMANX_ELEMENT_HANDLE_T dispmanElement;
DISPMANX_DISPLAY_HANDLE_T dispmanDisplay; DISPMANX_DISPLAY_HANDLE_T dispmanDisplay;
DISPMANX_UPDATE_HANDLE_T dispmanUpdate; DISPMANX_UPDATE_HANDLE_T dispmanUpdate;
VC_RECT_T dstRect; VC_RECT_T dstRect;
VC_RECT_T srcRect; VC_RECT_T srcRect;
#endif #endif
@ -1049,11 +1050,16 @@ static void InitDisplay(int width, int height)
// NOTE: RPI dispmanx windowing system takes care of srcRec scaling to dstRec by hardware (no cost) // NOTE: RPI dispmanx windowing system takes care of srcRec scaling to dstRec by hardware (no cost)
// Take care that renderWidth/renderHeight fit on displayWidth/displayHeight aspect ratio // Take care that renderWidth/renderHeight fit on displayWidth/displayHeight aspect ratio
dispmanDisplay = vc_dispmanx_display_open(0); VC_DISPMANX_ALPHA_T alpha;
alpha.flags = DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS;
alpha.opacity = 255;
alpha.mask = 0;
dispmanDisplay = vc_dispmanx_display_open(0); // LCD
dispmanUpdate = vc_dispmanx_update_start(0); dispmanUpdate = vc_dispmanx_update_start(0);
dispmanElement = vc_dispmanx_element_add(dispmanUpdate, dispmanDisplay, 0/*layer*/, &dstRect, 0/*src*/, dispmanElement = vc_dispmanx_element_add(dispmanUpdate, dispmanDisplay, 0/*layer*/, &dstRect, 0/*src*/,
&srcRect, DISPMANX_PROTECTION_NONE, 0/*alpha*/, 0/*clamp*/, 0/*transform*/); &srcRect, DISPMANX_PROTECTION_NONE, &alpha, 0/*clamp*/, DISPMANX_NO_ROTATE);
nativeWindow.element = dispmanElement; nativeWindow.element = dispmanElement;
nativeWindow.width = renderWidth; nativeWindow.width = renderWidth;