renderer: always render snapshots as 8bit

fixes issues with transparent windows on 10b

1 files changed, 5 insertions, 0 deletions

diff --git a/src/render/Framebuffer.cpp b/src/render/Framebuffer.cpp
index ae2ce2a6..ab5a14a3 100644
--- a/src/render/Framebuffer.cpp
+++ b/src/render/Framebuffer.cpp
@@ -12,6 +12,11 @@ bool CFramebuffer::alloc(int w, int h, uint32_t drmFormat) {
     uint32_t glFormat = NFormatUtils::drmFormatToGL(drmFormat);
     uint32_t glType   = NFormatUtils::glFormatToType(glFormat);
 
+    if (drmFormat != m_drmFormat || m_size != Vector2D{w, h})
+        release();
+
+    m_drmFormat = drmFormat;
+
     if (!m_tex) {
         m_tex = makeShared<CTexture>();
         m_tex->allocate();