#include <windows.h>
-#include "os/os_thread.h"
+#include <GL/gl.h>
+#include <GL/wglext.h>
+
+#include "util/u_debug.h"
+#include "stw_st.h"
+
struct pipe_resource;
struct st_framebuffer_iface;
* This mutex has two purposes:
* - protect the access to the mutable data members below
* - prevent the framebuffer from being deleted while being accessed.
- *
- * It is OK to lock this mutex while holding the stw_device::fb_mutex lock,
- * but the opposite must never happen.
+ *
+ * Note: if both this mutex and the stw_device::fb_mutex need to be locked,
+ * the stw_device::fb_mutex needs to be locked first.
*/
- pipe_mutex mutex;
+ CRITICAL_SECTION mutex;
/*
* Immutable members.
unsigned width;
unsigned height;
+ /** WGL_ARB_render_texture - set at Pbuffer creation time */
+ unsigned textureFormat; /**< WGL_NO_TEXTURE or WGL_TEXTURE_RGB[A]_ARB */
+ unsigned textureTarget; /**< WGL_NO_TEXTURE or WGL_TEXTURE_1D/2D/
+ CUBE_MAP_ARB */
+ boolean textureMipmap; /**< TRUE/FALSE */
+ /** WGL_ARB_render_texture - set with wglSetPbufferAttribARB() */
+ unsigned textureLevel;
+ unsigned textureFace; /**< [0..6] */
+
/**
* Client area rectangle, relative to the window upper-left corner.
*
HANDLE hSharedSurface;
struct stw_shared_surface *shared_surface;
+ /* For WGL_EXT_swap_control */
+ int64_t prev_swap_time;
+
/**
* This is protected by stw_device::fb_mutex, not the mutex above.
*
/**
* Create a new framebuffer object which will correspond to the given HDC.
*
- * This function will acquire stw_framebuffer::mutex. stw_framebuffer_release
+ * This function will acquire stw_framebuffer::mutex. stw_framebuffer_unlock
* must be called when done
*/
struct stw_framebuffer *
-stw_framebuffer_create(
- HDC hdc,
- int iPixelFormat );
+stw_framebuffer_create(HDC hdc, int iPixelFormat);
+
+
+/**
+ * Increase fb reference count. The referenced framebuffer should be locked.
+ *
+ * It's not necessary to hold stw_dev::fb_mutex global lock.
+ */
+static inline void
+stw_framebuffer_reference_locked(struct stw_framebuffer *fb)
+{
+ if (fb) {
+ assert(stw_own_mutex(&fb->mutex));
+ fb->refcnt++;
+ }
+}
+
void
-stw_framebuffer_reference(
- struct stw_framebuffer **ptr,
- struct stw_framebuffer *fb);
+stw_framebuffer_release_locked(struct stw_framebuffer *fb);
/**
* Search a framebuffer with a matching HWND.
*
- * This function will acquire stw_framebuffer::mutex. stw_framebuffer_release
+ * This function will acquire stw_framebuffer::mutex. stw_framebuffer_unlock
* must be called when done
*/
struct stw_framebuffer *
-stw_framebuffer_from_hwnd(
- HWND hwnd );
+stw_framebuffer_from_hwnd(HWND hwnd);
/**
* Search a framebuffer with a matching HDC.
*
- * This function will acquire stw_framebuffer::mutex. stw_framebuffer_release
+ * This function will acquire stw_framebuffer::mutex. stw_framebuffer_unlock
* must be called when done
*/
struct stw_framebuffer *
-stw_framebuffer_from_hdc(
- HDC hdc );
+stw_framebuffer_from_hdc(HDC hdc);
BOOL
stw_framebuffer_present_locked(HDC hdc,
struct pipe_resource *res);
void
-stw_framebuffer_update(
- struct stw_framebuffer *fb);
+stw_framebuffer_update(struct stw_framebuffer *fb);
+
+
+static inline void
+stw_framebuffer_lock(struct stw_framebuffer *fb)
+{
+ assert(fb);
+ EnterCriticalSection(&fb->mutex);
+}
+
/**
* Release stw_framebuffer::mutex lock. This framebuffer must not be accessed
* after calling this function, as it may have been deleted by another thread
* in the meanwhile.
*/
-void
-stw_framebuffer_release(
- struct stw_framebuffer *fb);
+static inline void
+stw_framebuffer_unlock(struct stw_framebuffer *fb)
+{
+ assert(fb);
+ assert(stw_own_mutex(&fb->mutex));
+ LeaveCriticalSection(&fb->mutex);
+}
+
/**
* Cleanup any existing framebuffers when exiting application.
void
stw_framebuffer_cleanup(void);
+
+static inline struct stw_st_framebuffer *
+stw_st_framebuffer(struct st_framebuffer_iface *stfb)
+{
+ return (struct stw_st_framebuffer *) stfb;
+}
+
+
+static inline struct stw_framebuffer *
+stw_framebuffer_from_HPBUFFERARB(HPBUFFERARB hPbuffer)
+{
+ return (struct stw_framebuffer *) hPbuffer;
+}
+
+
#endif /* STW_FRAMEBUFFER_H */