1 files changed, 36 insertions, 9 deletions

diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c
index 5165716e09..c9ef1647a3 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -37,15 +37,11 @@
 #include "intel_buffers.h"
 #include "intel_bufmgr.h"
 #include "intel_chipset.h"
-#include "intel_extensions.h"
 #include "intel_fbo.h"
-#include "intel_regions.h"
 #include "intel_screen.h"
-#include "intel_span.h"
 #include "intel_tex.h"
 
 #include "i915_drm.h"
-#include "i830_dri.h"
 
 #define DRI_CONF_TEXTURE_TILING(def) \
 	DRI_CONF_OPT_BEGIN(texture_tiling, bool, def)		\
@@ -113,10 +109,42 @@ static const __DRItexBufferExtension intelTexBufferExtension = {
    intelSetTexBuffer2,
 };
 
+static void
+intelDRI2Flush(__DRIdrawable *drawable)
+{
+   struct intel_context *intel = drawable->driContextPriv->driverPrivate;
+
+   if (intel->gen < 4)
+      INTEL_FIREVERTICES(intel);
+
+   if (intel->batch->map != intel->batch->ptr)
+      intel_batchbuffer_flush(intel->batch);
+}
+
+static void
+intelDRI2FlushInvalidate(__DRIdrawable *drawable)
+{
+   struct intel_context *intel = drawable->driContextPriv->driverPrivate;
+
+   intel->using_dri2_swapbuffers = GL_TRUE;
+
+   intelDRI2Flush(drawable);
+   drawable->validBuffers = GL_FALSE;
+
+   intel_update_renderbuffers(intel->driContext, drawable);
+}
+
+static const struct __DRI2flushExtensionRec intelFlushExtension = {
+    { __DRI2_FLUSH, __DRI2_FLUSH_VERSION },
+    intelDRI2Flush,
+    intelDRI2FlushInvalidate,
+};
+
 static const __DRIextension *intelScreenExtensions[] = {
     &driReadDrawableExtension,
     &intelTexOffsetExtension.base,
     &intelTexBufferExtension.base,
+    &intelFlushExtension.base,
     NULL
 };
 
@@ -174,7 +202,7 @@ intelCreateBuffer(__DRIscreen * driScrnPriv,
       if (!fb)
 	 return GL_FALSE;
 
-      _mesa_initialize_framebuffer(fb, mesaVis);
+      _mesa_initialize_window_framebuffer(fb, mesaVis);
 
       if (mesaVis->redBits == 5)
 	 rgbFormat = MESA_FORMAT_RGB565;
@@ -311,11 +339,10 @@ __DRIconfig **intelInitScreen2(__DRIscreen *psp)
    intelScreenPrivate *intelScreen;
    GLenum fb_format[3];
    GLenum fb_type[3];
-   /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't
-    * support pageflipping at all.
-    */
+
    static const GLenum back_buffer_modes[] = {
-      GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
+       GLX_NONE, GLX_SWAP_UNDEFINED_OML,
+       GLX_SWAP_EXCHANGE_OML, GLX_SWAP_COPY_OML
    };
    uint8_t depth_bits[4], stencil_bits[4], msaa_samples_array[1];
    int color;