Handle glFlush/glFinish through the state tracker.

3 files changed, 44 insertions, 47 deletions

diff --git a/src/mesa/drivers/dri/intel_winsys/intel_context.c b/src/mesa/drivers/dri/intel_winsys/intel_context.c
index 1032fc2d0f2..a1746e09657 100644
--- a/src/mesa/drivers/dri/intel_winsys/intel_context.c
+++ b/src/mesa/drivers/dri/intel_winsys/intel_context.c
@@ -240,51 +240,7 @@ intelFlush(GLcontext * ctx)
 }
 
 
-/**
- * Check if we need to rotate/warp the front color buffer to the
- * rotated screen.  We generally need to do this when we get a glFlush
- * or glFinish after drawing to the front color buffer.
- * If no rotation, just copy the private fake front buffer to the real one.
- */
-static void
-intelCheckFrontUpdate(GLcontext * ctx)
-{
-   struct intel_context *intel = intel_context(ctx);
-   /* rely on _ColorDrawBufferMask being kept up to date by mesa
-      even for window-fbos. */
-   /* not sure. Might need that for all masks including
-      BUFFER_BIT_FRONT_LEFT maybe? */
-   if (intel->ctx.DrawBuffer->_ColorDrawBufferMask[0] ==
-       BUFFER_BIT_FRONT_LEFT) {
-      __DRIdrawablePrivate *dPriv = intel->driDrawable;
-      intelCopyBuffer(dPriv, NULL);
-   }
-}
-
 
-/**
- * Called via glFlush.
- */
-static void
-intelglFlush(GLcontext * ctx)
-{
-   intelFlush(ctx);
-   intelCheckFrontUpdate(ctx);
-}
-
-void
-intelFinish(GLcontext * ctx)
-{
-   struct intel_context *intel = intel_context(ctx);
-   intelFlush(ctx);
-   if (intel->batch->last_fence) {
-      driFenceFinish(intel->batch->last_fence,
-                     0, GL_FALSE);
-      driFenceUnReference(intel->batch->last_fence);
-      intel->batch->last_fence = NULL;
-   }
-   intelCheckFrontUpdate(ctx);
-}
 
 
 static void
@@ -292,8 +248,6 @@ intelInitDriverFunctions(struct dd_function_table *functions)
 {
    _mesa_init_driver_functions(functions);
 
-   functions->Flush = intelglFlush;
-   functions->Finish = intelFinish;
    functions->GetString = intelGetString;
    functions->UpdateState = intelInvalidateState;
 
diff --git a/src/mesa/drivers/dri/intel_winsys/intel_pipe_i915simple.c b/src/mesa/drivers/dri/intel_winsys/intel_pipe_i915simple.c
index c0e8c2349ca..d78d81aa1ce 100644
--- a/src/mesa/drivers/dri/intel_winsys/intel_pipe_i915simple.c
+++ b/src/mesa/drivers/dri/intel_winsys/intel_pipe_i915simple.c
@@ -37,6 +37,7 @@
 #include "intel_context.h"
 #include "intel_batchbuffer.h"
 #include "intel_pipe.h"
+#include "intel_blit.h"
 
 #include "pipe/i915simple/i915_winsys.h"
 
@@ -171,7 +172,7 @@ static unsigned *intel_i915_batch_start( struct i915_winsys *sws,
    if (intel_batchbuffer_space( intel->batch ) >= dwords * 4) {
       /* XXX: Hmm, the driver can't really do much with this pointer: 
        */
-      return intel->batch->ptr;	
+      return (unsigned *)intel->batch->ptr;	
    }
    else 
       return NULL;
@@ -242,6 +243,16 @@ static void intel_i915_printf( struct i915_winsys *sws,
 }
 
 
+static void
+intel_i915_flush_frontbuffer( struct i915_winsys *sws )
+{
+   struct intel_context *intel = intel_i915_winsys(sws)->intel;
+   __DRIdrawablePrivate *dPriv = intel->driDrawable;
+   
+   intelCopyBuffer(dPriv, NULL);
+}
+
+
 struct pipe_context *
 intel_create_i915simple( struct intel_context *intel )
 {
@@ -264,6 +275,7 @@ intel_create_i915simple( struct intel_context *intel )
    iws->winsys.batch_reloc = intel_i915_batch_reloc;
    iws->winsys.batch_flush = intel_i915_batch_flush;
    iws->winsys.batch_wait_idle = intel_i915_batch_wait_idle;
+   iws->winsys.flush_frontbuffer = intel_i915_flush_frontbuffer;
    iws->intel = intel;
 
    /* Create the i915simple context:
diff --git a/src/mesa/drivers/dri/intel_winsys/intel_pipe_softpipe.c b/src/mesa/drivers/dri/intel_winsys/intel_pipe_softpipe.c
index 06db5c9f432..439bb372e1f 100644
--- a/src/mesa/drivers/dri/intel_winsys/intel_pipe_softpipe.c
+++ b/src/mesa/drivers/dri/intel_winsys/intel_pipe_softpipe.c
@@ -36,6 +36,8 @@
 
 #include "intel_context.h"
 #include "intel_pipe.h"
+#include "intel_batchbuffer.h"
+#include "intel_blit.h"
 
 #include "pipe/softpipe/sp_winsys.h"
 #include "pipe/p_defines.h"
@@ -175,6 +177,33 @@ intel_supported_formats(struct pipe_context *pipe, GLuint *numFormats)
 }
 
 
+static void intel_wait_idle( struct softpipe_winsys *sws )
+{
+   struct intel_context *intel = intel_softpipe_winsys(sws)->intel;
+
+   if (intel->batch->last_fence) {
+      driFenceFinish(intel->batch->last_fence, 
+		     DRM_FENCE_TYPE_EXE | DRM_I915_FENCE_TYPE_RW, GL_FALSE);
+      driFenceUnReference(intel->batch->last_fence);
+      intel->batch->last_fence = NULL;
+   }
+}
+
+
+/* The state tracker (should!) keep track of whether the fake
+ * frontbuffer has been touched by any rendering since the last time
+ * we copied its contents to the real frontbuffer.  Our task is easy:
+ */
+static void
+intel_flush_frontbuffer( struct softpipe_winsys *sws )
+{
+   struct intel_context *intel = intel_softpipe_winsys(sws)->intel;
+   __DRIdrawablePrivate *dPriv = intel->driDrawable;
+   
+   intelCopyBuffer(dPriv, NULL);
+}
+
+
 
 struct pipe_context *
 intel_create_softpipe( struct intel_context *intel )
@@ -197,6 +226,8 @@ intel_create_softpipe( struct intel_context *intel )
    isws->sws.buffer_data = intel_buffer_data;
    isws->sws.buffer_subdata = intel_buffer_subdata;
    isws->sws.buffer_get_subdata = intel_buffer_get_subdata;
+   isws->sws.flush_frontbuffer = intel_flush_frontbuffer;
+   isws->sws.wait_idle = intel_wait_idle;
    isws->intel = intel;
 
    /* Create the softpipe context: