cell: Use code-gen for alpha blend

So far this is only tested when GL_BLEND is disabled.

2 files changed, 22 insertions, 6 deletions

diff --git a/src/gallium/drivers/cell/ppu/cell_pipe_state.c b/src/gallium/drivers/cell/ppu/cell_pipe_state.c
index c880760e4b..4ca8c153b0 100644
--- a/src/gallium/drivers/cell/ppu/cell_pipe_state.c
+++ b/src/gallium/drivers/cell/ppu/cell_pipe_state.c
@@ -54,14 +54,19 @@ cell_create_blend_state(struct pipe_context *pipe,
 
 
 static void
-cell_bind_blend_state(struct pipe_context *pipe, void *blend)
+cell_bind_blend_state(struct pipe_context *pipe, void *state)
 {
    struct cell_context *cell = cell_context(pipe);
+   struct cell_blend_state *blend = (struct cell_blend_state *) state;
+
 
    draw_flush(cell->draw);
 
-   cell->blend = (const struct cell_blend_state *)blend;
+   if ((blend != NULL) && (blend->code.store == NULL)) {
+      cell_generate_depth_stencil_test(blend);
+   }
 
+   cell->blend = blend;
    cell->dirty |= CELL_NEW_BLEND;
 }
 
@@ -70,7 +75,7 @@ static void
 cell_delete_blend_state(struct pipe_context *pipe, void *blend)
 {
    struct cell_blend_state *cb = (struct cell_blend_state *) blend;
-   
+
    spe_release_func(& cb->code);
    FREE(cb);
 }
diff --git a/src/gallium/drivers/cell/ppu/cell_state_emit.c b/src/gallium/drivers/cell/ppu/cell_state_emit.c
index 31cc938f07..5709b48f12 100644
--- a/src/gallium/drivers/cell/ppu/cell_state_emit.c
+++ b/src/gallium/drivers/cell/ppu/cell_state_emit.c
@@ -65,9 +65,20 @@ cell_emit_state(struct cell_context *cell)
    }
 
    if (cell->dirty & CELL_NEW_BLEND) {
-      emit_state_cmd(cell, CELL_CMD_STATE_BLEND,
-                     cell->blend,
-                     sizeof(struct pipe_blend_state));
+      struct cell_command_blend blend;
+
+      if (cell->blend != NULL) {
+         blend.base = (intptr_t) cell->blend->code.store;
+         blend.size = (char *) cell->blend->code.csr
+             - (char *) cell->blend->code.store;
+         blend.read_fb = TRUE;
+      } else {
+         blend.base = 0;
+         blend.size = 0;
+         blend.read_fb = FALSE;
+      }
+
+      emit_state_cmd(cell, CELL_CMD_STATE_BLEND, &blend, sizeof(blend));
    }
 
    if (cell->dirty & CELL_NEW_DEPTH_STENCIL) {