fourcc = DRM_FORMAT_ARGB8888; ret = drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &creq); if (ret < 0) { fprintf(stderr, "cannot create dumb buffer (%d): %m\n", errno); return -errno; } 3.7 提交DRM请求 代码调用实例如下: int drmModeAtomicCommit(int fd, drmModeAtomicReqPtr req, ...
ret=drmModeAddFB2(fd,WIDTH,HEIGHT,DRM_FORMAT_ARGB8888,&handle,&stride,&buf_id,flags); if(ret)
DRM_FORMAT_BIG_ENDIAN)#defineDRM_FORMAT_HOST_RGB565 (DRM_FORMAT_RGB565 | \ DRM_FORMAT_BIG_ENDIAN)#defineDRM_FORMAT_HOST_XRGB8888 DRM_FORMAT_BGRX8888#defineDRM_FORMAT_HOST_ARGB8888 DRM_FORMAT_BGRA8888#else#defineDRM_FORMAT_HOST_XRGB1555 DRM_FORMAT_XRGB1555#defineDRM_FORMAT_HOST_RGB565 DRM_...
1.我们希望使用 DRM dumb 缓冲区在客户端和 Weston 之间共享内存,但 WL_DRM 协议仅支持 WL_DRM 版本1;如果 要使用 WL_DRM 版本2,可以通过任何方式获得支持? 2、 DRM_Handle_format 仅在 RGB 颜色空间中提供 WL_DRM_FORMAT_ARGB8888和 WL_DRM_FORMAT_XRGB8888、但某些应用通常使用 RGBA ...
switch (drm_format) { case GS_R8: return DRM_FORMAT_R8; case GS_RGBA: return DRM_FORMAT_ABGR8888; case GS_BGRX: return DRM_FORMAT_XRGB8888; case GS_BGRA: return DRM_FORMAT_ARGB8888; case GS_R10G10B10A2: return DRM_FORMAT_ABGR2101010; case GS_R16: return DRM_FORMAT_R16; case ...
5396 5398 DRM_FORMAT_ARGB8888, 5397 5399 DRM_FORMAT_RGBA8888, @@ -5406,6 +5408,9 @@ fill_blending_from_plane_state(const struct drm_plane_state *plane_state, 5406 5408 break; 5407 5409 } 5408 5410 } 5411 + 5412 + if (per_pixel_alpha && plane_state->pixel_blend_mode =...
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