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This commit is contained in:
David Rose 2008-05-08 23:44:09 +00:00
parent c22fe12b87
commit 53a7c78548
2 changed files with 21 additions and 1 deletions
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21
panda/src/tinydisplay/tinyXGraphicsWindow.cxx
View File

@ -213,7 +213,7 @@ end_frame(FrameMode mode, Thread *current_thread) {
////////////////////////////////////////////////////////////////////
void TinyXGraphicsWindow::
begin_flip() {
if (_bytes_per_pixel == 4) {
if (_bytes_per_pixel == 4 && _pitch == _frame_buffer->linesize) {
// If we match the expected bpp, we don't need an intervening copy
// operation. Just point the XImage directly at the framebuffer
// data.
@ -227,6 +227,25 @@ begin_flip() {
XFlush(_display);
}
////////////////////////////////////////////////////////////////////
// Function: TinyXGraphicsWindow::supports_pixel_zoom
// Access: Published, Virtual
// Description: Returns true if a call to set_pixel_zoom() will be
// respected, false if it will be ignored. If this
// returns false, then get_pixel_factor() will always
// return 1.0, regardless of what value you specify for
// set_pixel_zoom().
//
// This may return false if the underlying renderer
// doesn't support pixel zooming, or if you have called
// this on a DisplayRegion that doesn't have both
// set_clear_color() and set_clear_depth() enabled.
////////////////////////////////////////////////////////////////////
bool TinyXGraphicsWindow::
supports_pixel_zoom() const {
return true;
}
////////////////////////////////////////////////////////////////////
// Function: TinyXGraphicsWindow::process_events
// Access: Public, Virtual

1
panda/src/tinydisplay/tinyXGraphicsWindow.h
View File

@ -47,6 +47,7 @@ public:
virtual bool begin_frame(FrameMode mode, Thread *current_thread);
virtual void end_frame(FrameMode mode, Thread *current_thread);
virtual void begin_flip();
virtual bool supports_pixel_zoom() const;
virtual void process_events();
virtual void set_properties_now(WindowProperties &properties);