1 files changed, 77 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_pipe_fb.c b/src/gallium/drivers/i965/brw_pipe_fb.c
new file mode 100644
index 00000000000..6b03094f502
--- /dev/null
+++ b/src/gallium/drivers/i965/brw_pipe_fb.c
@@ -0,0 +1,77 @@
+#include "util/u_math.h"
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+
+#include "brw_context.h"
+
+/**
+ * called from intelDrawBuffer()
+ */
+static void brw_set_framebuffer_state( struct pipe_context *pipe, 
+				       const struct pipe_framebuffer_state *fb )
+{
+   struct brw_context *brw = brw_context(pipe);
+   unsigned i;
+
+   /* Dimensions:
+    */
+   if (brw->curr.fb.width != fb->width ||
+       brw->curr.fb.height != fb->height) {
+      brw->curr.fb.width = fb->width;
+      brw->curr.fb.height = fb->height;
+      brw->state.dirty.mesa |= PIPE_NEW_FRAMEBUFFER_DIMENSIONS;
+   }
+   
+   /* Z/Stencil
+    */
+   if (brw->curr.fb.zsbuf != fb->zsbuf) {
+      pipe_surface_reference(&brw->curr.fb.zsbuf, fb->zsbuf);
+      brw->state.dirty.mesa |= PIPE_NEW_DEPTH_BUFFER;
+   }
+
+   /* Color buffers:
+    */
+   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
+      if (brw->curr.fb.cbufs[i] != fb->cbufs[i]) {
+	 brw->state.dirty.mesa |= PIPE_NEW_COLOR_BUFFERS;
+	 pipe_surface_reference(&brw->curr.fb.cbufs[i], fb->cbufs[i]);
+      }
+   }
+   
+   if (brw->curr.fb.nr_cbufs != fb->nr_cbufs) {
+      brw->curr.fb.nr_cbufs = MIN2(BRW_MAX_DRAW_BUFFERS, fb->nr_cbufs);
+      brw->state.dirty.mesa |= PIPE_NEW_NR_CBUFS;
+   }
+}
+
+
+static void brw_set_viewport_state( struct pipe_context *pipe,
+				    const struct pipe_viewport_state *viewport )
+{
+   struct brw_context *brw = brw_context(pipe);
+
+   brw->curr.viewport = *viewport;
+   brw->curr.ccv.min_depth = 0.0;         /* XXX: near */
+   brw->curr.ccv.max_depth = 1.0;         /* XXX: far */
+
+   brw->state.dirty.mesa |= PIPE_NEW_VIEWPORT;
+}
+
+
+void brw_pipe_framebuffer_init( struct brw_context *brw )
+{
+   brw->base.set_framebuffer_state = brw_set_framebuffer_state;
+   brw->base.set_viewport_state = brw_set_viewport_state;
+}
+
+void brw_pipe_framebuffer_cleanup( struct brw_context *brw )
+{
+   struct pipe_framebuffer_state *fb = &brw->curr.fb;
+   int i;
+
+   for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
+      pipe_surface_reference(&fb->cbufs[i], NULL);
+   }
+
+   pipe_surface_reference(&fb->zsbuf, NULL);
+}