st-api: Rework how drawables are invalidated v3.

[mesa.git] / src / gallium / state_trackers / wgl / stw_device.c

diff --git a/src/gallium/state_trackers/wgl/stw_device.c b/src/gallium/state_trackers/wgl/stw_device.c
index 61b207525cada81f5d468792daa12a777b16de89..e65e71dc15fb58ac4ff25da7f387df5099e0709f 100644 (file)
--- a/src/gallium/state_trackers/wgl/stw_device.c
+++ b/src/gallium/state_trackers/wgl/stw_device.c
@@ -27,7 +27,7 @@
 
 #include <windows.h>
 
-#include "glapi/glthread.h"
+#include "glapi/glapi.h"
 #include "util/u_debug.h"
 #include "util/u_math.h"
 #include "util/u_memory.h"
@@ -41,13 +41,27 @@
 #include "stw_framebuffer.h"
 #include "stw_st.h"
 
-#ifdef WIN32_THREADS
-extern _glthread_Mutex OneTimeLock;
-#endif
-
 
 struct stw_device *stw_dev = NULL;
 
+static int
+stw_get_param(struct st_manager *smapi,
+              enum st_manager_param param)
+{
+   switch (param) {
+   case ST_MANAGER_BROKEN_INVALIDATE:
+      /*
+       * Force framebuffer validation on glViewport.
+       *
+       * Certain applications, like Rhinoceros 4, uses glReadPixels
+       * exclusively (never uses SwapBuffers), so framebuffers never get
+       * resized unless we check on glViewport.
+       */
+      return 1;
+   default:
+      return 0;
+   }
+}
 
 boolean
 stw_init(const struct stw_winsys *stw_winsys)
@@ -70,10 +84,6 @@ stw_init(const struct stw_winsys *stw_winsys)
    
    stw_dev->stw_winsys = stw_winsys;
 
-#ifdef WIN32_THREADS
-   _glthread_INIT_MUTEX(OneTimeLock);
-#endif
-
    stw_dev->stapi = stw_st_create_api();
    stw_dev->smapi = CALLOC_STRUCT(st_manager);
    if (!stw_dev->stapi || !stw_dev->smapi)
@@ -87,8 +97,13 @@ stw_init(const struct stw_winsys *stw_winsys)
       stw_winsys->get_adapter_luid(screen, &stw_dev->AdapterLuid);
 
    stw_dev->smapi->screen = screen;
+   stw_dev->smapi->get_param = stw_get_param;
    stw_dev->screen = screen;
 
+   stw_dev->max_2d_levels =
+         screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
+   stw_dev->max_2d_length = 1 << (stw_dev->max_2d_levels - 1);
+
    pipe_mutex_init( stw_dev->ctx_mutex );
    pipe_mutex_init( stw_dev->fb_mutex );
 
@@ -161,9 +176,8 @@ stw_cleanup(void)
 
    stw_dev->screen->destroy(stw_dev->screen);
 
-#ifdef WIN32_THREADS
-   _glthread_DESTROY_MUTEX(OneTimeLock);
-
+   /* glapi is statically linked: we can call the local destroy function. */
+#ifdef _GLAPI_NO_EXPORTS
    _glapi_destroy_multithread();
 #endif