X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fstate_trackers%2Fwgl%2Fstw_device.c;h=f1b1dfd9a14af9bdc10e89cb7ff074396a0379a1;hb=e92caad74476b915bb73baedbddce8af89bd62b0;hp=287b937afe5ac8ea376f54f316159a9268b2d546;hpb=fce68832c5e06a046b69fbad1e1424aaec6fc0b2;p=mesa.git

diff --git a/src/gallium/state_trackers/wgl/stw_device.c b/src/gallium/state_trackers/wgl/stw_device.c
index 287b937afe5..f1b1dfd9a14 100644
--- a/src/gallium/state_trackers/wgl/stw_device.c
+++ b/src/gallium/state_trackers/wgl/stw_device.c
@@ -29,6 +29,7 @@
 
 #include "glapi/glapi.h"
 #include "util/u_debug.h"
+#include "util/u_debug_gallium.h"
 #include "util/u_math.h"
 #include "util/u_memory.h"
 #include "pipe/p_screen.h"
@@ -63,6 +64,24 @@ stw_get_param(struct st_manager *smapi,
    }
 }
 
+
+/** Get the refresh rate for the monitor, in Hz */
+static int
+get_refresh_rate(void)
+{
+   DEVMODE devModes;
+
+   if (EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &devModes)) {
+      /* clamp the value, just in case we get garbage */
+      return CLAMP(devModes.dmDisplayFrequency, 30, 120);
+   }
+   else {
+      /* reasonable default */
+      return 60;
+   }
+}
+
+
 boolean
 stw_init(const struct stw_winsys *stw_winsys)
 {
@@ -72,7 +91,7 @@ stw_init(const struct stw_winsys *stw_winsys)
    debug_disable_error_message_boxes();
 
    debug_printf("%s\n", __FUNCTION__);
-   
+
    assert(!stw_dev);
 
    stw_tls_init();
@@ -83,7 +102,7 @@ stw_init(const struct stw_winsys *stw_winsys)
 #ifdef DEBUG
    stw_dev->memdbg_no = debug_memory_begin();
 #endif
-   
+
    stw_dev->stw_winsys = stw_winsys;
 
    stw_dev->stapi = stw_st_create_api();
@@ -92,18 +111,18 @@ stw_init(const struct stw_winsys *stw_winsys)
       goto error1;
 
    screen = stw_winsys->create_screen();
-   if(!screen)
+   if (!screen)
       goto error1;
 
-   if(stw_winsys->get_adapter_luid)
+   if (stw_winsys->get_adapter_luid)
       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_levels = util_last_bit(screen->get_param(screen,
+                                                            PIPE_CAP_MAX_TEXTURE_2D_SIZE));
    stw_dev->max_2d_length = 1 << (stw_dev->max_2d_levels - 1);
 
    InitializeCriticalSection(&stw_dev->ctx_mutex);
@@ -116,6 +135,15 @@ stw_init(const struct stw_winsys *stw_winsys)
 
    stw_pixelformat_init();
 
+   /* env var override for WGL_EXT_swap_control, useful for testing/debugging */
+   const char *s = os_get_option("WGL_SWAP_INTERVAL");
+   if (s) {
+      stw_dev->swap_interval = atoi(s);
+   }
+   stw_dev->refresh_rate = get_refresh_rate();
+
+   stw_dev->initialized = true;
+
    return TRUE;
 
 error1:
@@ -151,7 +179,7 @@ stw_cleanup(void)
 
    if (!stw_dev)
       return;
-   
+
    /*
     * Abort cleanup if there are still active contexts. In some situations
     * this DLL may be unloaded before the DLL that is using GL contexts is.
@@ -168,10 +196,13 @@ stw_cleanup(void)
    handle_table_destroy(stw_dev->ctx_table);
 
    stw_framebuffer_cleanup();
-   
+
    DeleteCriticalSection(&stw_dev->fb_mutex);
    DeleteCriticalSection(&stw_dev->ctx_mutex);
-   
+
+   if (stw_dev->smapi->destroy)
+      stw_dev->smapi->destroy(stw_dev->smapi);
+
    FREE(stw_dev->smapi);
    stw_dev->stapi->destroy(stw_dev->stapi);
 
@@ -193,9 +224,7 @@ stw_cleanup(void)
 
 
 void APIENTRY
-DrvSetCallbackProcs(
-   INT nProcs,
-   PROC *pProcs )
+DrvSetCallbackProcs(INT nProcs, PROC *pProcs)
 {
    size_t size;
 
@@ -210,8 +239,7 @@ DrvSetCallbackProcs(
 
 
 BOOL APIENTRY
-DrvValidateVersion(
-   ULONG ulVersion )
+DrvValidateVersion(ULONG ulVersion)
 {
    /* ulVersion is the version reported by the KMD:
     * - via D3DKMTQueryAdapterInfo(KMTQAITYPE_UMOPENGLINFO) on WDDM,