84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
#if defined(SUPPORT_DISPMANX)
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#include "dispmanx.h"
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#include "types.h"
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#include "wsi/context.h"
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#include <bcm_host.h>
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#include <EGL/egl.h>
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void dispmanx_window_create()
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{
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DISPMANX_DISPLAY_HANDLE_T dispman_display;
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DISPMANX_UPDATE_HANDLE_T dispman_update;
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DISPMANX_ELEMENT_HANDLE_T dispman_element;
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VC_RECT_T src_rect;
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VC_RECT_T dst_rect;
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VC_DISPMANX_ALPHA_T dispman_alpha;
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uint32_t screen_width;
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uint32_t screen_height;
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uint32_t window_width;
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uint32_t window_height;
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dispman_alpha.flags = DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS;
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dispman_alpha.opacity = 0xFF;
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dispman_alpha.mask = 0;
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graphics_get_display_size(0 /* LCD */, &screen_width, &screen_height);
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window_width = settings.dispmanx.Width;
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window_height = settings.dispmanx.Height;
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if(window_width < 1)
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window_width = screen_width;
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if(window_height < 1)
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window_height = screen_height;
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src_rect.x = 0;
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src_rect.y = 0;
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src_rect.width = window_width << 16;
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src_rect.height = window_height << 16;
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if(settings.dispmanx.Keep_Aspect)
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{
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float screen_aspect = (float)screen_width / screen_height;
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float window_aspect = (float)window_width / window_height;
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if(screen_aspect > window_aspect)
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{
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dst_rect.width = window_width * screen_height / window_height;
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dst_rect.height = screen_height;
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}
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else
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{
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dst_rect.width = screen_width;
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dst_rect.height = window_height * screen_width / window_width;
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}
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dst_rect.x = (screen_width - dst_rect.width) / 2;
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dst_rect.y = (screen_height - dst_rect.height) / 2;
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}
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else
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{
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dst_rect.x = 0;
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dst_rect.y = 0;
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dst_rect.width = screen_width;
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dst_rect.height = screen_height;
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}
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dispman_display = vc_dispmanx_display_open( 0 /* LCD */);
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dispman_update = vc_dispmanx_update_start( 0 );
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dispman_element = vc_dispmanx_element_add(dispman_update, dispman_display,
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0 /*layer*/, &dst_rect, 0 /*src*/,
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&src_rect, DISPMANX_PROTECTION_NONE,
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&dispman_alpha /*alpha*/, 0 /*clamp*/, (DISPMANX_TRANSFORM_T)0 /*transform*/);
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static EGL_DISPMANX_WINDOW_T native_window;
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native_window.element = dispman_element;
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native_window.width = window_width;
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native_window.height = window_height;
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vc_dispmanx_update_submit_sync( dispman_update );
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theGLContext.SetNativeWindow((EGLNativeWindowType)&native_window);
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theGLContext.SetNativeDisplay((EGLNativeDisplayType)dispman_display);
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InitRenderApi();
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}
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#endif
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