X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=platform%2Fwin32%2FGenaDrive%2FDirect.cpp;h=3c8f3769b61d0f3ba1aa3854dbba422178090cc4;hb=4609d0cdb87fcdd5f419153d7a76e2b06242b294;hp=b8112d3be414b76865f02bd7b68438120b6bc2c5;hpb=278922b838bb8a8569f25660f7bdcb2d271879f3;p=picodrive.git

diff --git a/platform/win32/GenaDrive/Direct.cpp b/platform/win32/GenaDrive/Direct.cpp
index b8112d3..3c8f376 100644
--- a/platform/win32/GenaDrive/Direct.cpp
+++ b/platform/win32/GenaDrive/Direct.cpp
@@ -95,7 +95,7 @@ static int DirectScreenDDraw()
   ret = m_pddsBackBuffer->Lock(NULL, &sd, DDLOCK_SURFACEMEMORYPTR|DDLOCK_WAIT|DDLOCK_WRITEONLY, NULL);
   if (ret) { LOGFAIL(); return 1; }
 
-  //dprintf2("w: %i h: %i pi: %i pf: %i\n", sd.dwWidth, sd.dwHeight, sd.lPitch, sd.ddpfPixelFormat.dwRGBBitCount);
+  //lprintf("w: %i h: %i pi: %i pf: %i\n", sd.dwWidth, sd.dwHeight, sd.lPitch, sd.ddpfPixelFormat.dwRGBBitCount);
 
   if (sd.ddpfPixelFormat.dwRGBBitCount == 32)
   {
@@ -160,7 +160,9 @@ static int DirectClearDDraw(unsigned int colour)
 
 static int DirectPresentDDraw()
 {
-  int ret = m_pddsFrontBuffer->Blt(&FrameRectMy, m_pddsBackBuffer, &EmuScreenRect, DDBLT_WAIT, NULL);
+  int ret = 0;
+  if (FrameRectMy.right - FrameRectMy.left > 0 && FrameRectMy.bottom - FrameRectMy.top > 0)
+    ret = m_pddsFrontBuffer->Blt(&FrameRectMy, m_pddsBackBuffer, &EmuScreenRect, DDBLT_WAIT, NULL);
   if (ret) { LOGFAIL(); return 1; }
   return 0;
 }
@@ -388,7 +390,7 @@ int DirectScreen()
   TexScreenSwizzle();
 #else
   ret=TexScreenLinear();
-  if (ret) dprintf2("TexScreenLinear failed\n");
+  if (ret) lprintf("TexScreenLinear failed\n");
 #endif
 
   SetupMatrices();
@@ -397,7 +399,7 @@ int DirectScreen()
 
   // Copy vertices in:
   VertexBuffer->Lock(0,sizeof(VertexList),&lock,0);
-  if (lock==NULL) { dprintf2("VertexBuffer->Lock failed\n"); return 1; }
+  if (lock==NULL) { lprintf("VertexBuffer->Lock failed\n"); return 1; }
   memcpy(lock,VertexList,sizeof(VertexList));
   VertexBuffer->Unlock();