Redo the cso cache to map driver data in a lot more pleasing way.

Drivers can now create whatever they want from the state template. We
use cso_state object to store the template (necessary during lookups),
and the driver data. Convert blend state to the new semantics.

3 files changed, 38 insertions, 5 deletions

diff --git a/src/mesa/pipe/failover/fo_context.h b/src/mesa/pipe/failover/fo_context.h
index 9556a17e4db..ea7fb109b3b 100644
--- a/src/mesa/pipe/failover/fo_context.h
+++ b/src/mesa/pipe/failover/fo_context.h
@@ -60,13 +60,17 @@
 #define FO_HW 0
 #define FO_SW 1
 
+struct fo_state {
+   void *sw_state;
+   void *hw_state;
+};
 struct failover_context {     
    struct pipe_context pipe;  /**< base class */
 
 
    /* The most recent drawing state as set by the driver:
     */
-   const struct pipe_blend_state         *blend;
+   const struct fo_state                 *blend;
    const struct pipe_sampler_state       *sampler[PIPE_MAX_SAMPLERS];
    const struct pipe_depth_stencil_state *depth_stencil;
    const struct pipe_rasterizer_state    *rasterizer;
diff --git a/src/mesa/pipe/failover/fo_state.c b/src/mesa/pipe/failover/fo_state.c
index 04ebd33d0d4..ba110a6e4ff 100644
--- a/src/mesa/pipe/failover/fo_state.c
+++ b/src/mesa/pipe/failover/fo_state.c
@@ -57,17 +57,43 @@ failover_set_alpha_test_state(struct pipe_context *pipe,
 }
 
 
-static void 
+static void *
+failover_create_blend_state( struct pipe_context *pipe,
+                             const struct pipe_blend_state *blend )
+{
+   struct fo_state *state = malloc(sizeof(struct fo_state));
+   struct failover_context *failover = failover_context(pipe);
+
+   state->sw_state = failover->sw->create_blend_state(pipe, blend);
+   state->hw_state = failover->hw->create_blend_state(pipe, blend);
+
+   return state;
+}
+
+static void
 failover_bind_blend_state( struct pipe_context *pipe,
-			  const struct pipe_blend_state *blend )
+                           void *blend )
 {
    struct failover_context *failover = failover_context(pipe);
 
-   failover->blend = blend;
+   failover->blend = (struct fo_state *)blend;
    failover->dirty |= FO_NEW_BLEND;
    failover->hw->bind_blend_state( failover->hw, blend );
 }
 
+static void
+failover_delete_blend_state( struct pipe_context *pipe,
+                             void *blend )
+{
+   struct fo_state *state = (struct fo_state*)blend;
+   struct failover_context *failover = failover_context(pipe);
+
+   failover->sw->delete_blend_state(pipe, state->sw_state);
+   failover->hw->delete_blend_state(pipe, state->hw_state);
+   state->sw_state = 0;
+   state->hw_state = 0;
+   free(state);
+}
 
 static void 
 failover_set_blend_color( struct pipe_context *pipe,
@@ -253,7 +279,9 @@ failover_set_vertex_element(struct pipe_context *pipe,
 void
 failover_init_state_functions( struct failover_context *failover )
 {
+   failover->pipe.create_blend_state = failover_create_blend_state;
    failover->pipe.bind_blend_state = failover_bind_blend_state;
+   failover->pipe.delete_blend_state = failover_delete_blend_state;
    failover->pipe.bind_sampler_state = failover_bind_sampler_state;
    failover->pipe.bind_depth_stencil_state = failover_bind_depth_stencil_state;
    failover->pipe.bind_rasterizer_state = failover_bind_rasterizer_state;
diff --git a/src/mesa/pipe/failover/fo_state_emit.c b/src/mesa/pipe/failover/fo_state_emit.c
index 9d304074d0f..72697c01a9e 100644
--- a/src/mesa/pipe/failover/fo_state_emit.c
+++ b/src/mesa/pipe/failover/fo_state_emit.c
@@ -59,7 +59,8 @@ failover_state_emit( struct failover_context *failover )
       failover->sw->set_alpha_test_state( failover->sw, &failover->alpha_test );
 
    if (failover->dirty & FO_NEW_BLEND)
-      failover->sw->bind_blend_state( failover->sw, failover->blend );
+      failover->sw->bind_blend_state( failover->sw,
+                                      failover->blend->sw_state );
 
    if (failover->dirty & FO_NEW_BLEND_COLOR)
       failover->sw->set_blend_color( failover->sw, &failover->blend_color );