[Mesa-dev] [PATCH 21/30] i965: Move framebuffer fetch to the new resolve functions

[Jason Ekstrand]

---
 src/mesa/drivers/dri/i965/brw_context.c       |  6 ++---
 src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 37 ++++++++++++++++++++++-----
 src/mesa/drivers/dri/i965/intel_mipmap_tree.h |  4 +++
 3 files changed, 36 insertions(+), 11 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index 6e60237..671af42 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -285,10 +285,8 @@ intel_update_state(struct gl_context * ctx, GLuint new_state)
             intel_renderbuffer(fb->_ColorDrawBuffers[i]);
 
          if (irb) {
-             intel_miptree_resolve_color(brw, irb->mt,
-                                         irb->mt_level, 1,
-                                         irb->mt_layer, irb->layer_count,
-                                         INTEL_MIPTREE_IGNORE_CCS_E);
+            intel_miptree_prepare_fb_fetch(brw, irb->mt, irb->mt_level,
+                                           irb->mt_layer, irb->layer_count);
          }
       }
    }
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index 1774ed5..76fe8b8 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -2401,11 +2401,13 @@ intel_texture_view_requires_resolve(struct brw_context *brw,
    return true;
 }
 
-void
-intel_miptree_prepare_texture(struct brw_context *brw,
-                              struct intel_mipmap_tree *mt,
-                              mesa_format view_format,
-                              bool *aux_supported_out)
+static void
+intel_miptree_prepare_texture_slices(struct brw_context *brw,
+                                     struct intel_mipmap_tree *mt,
+                                     mesa_format view_format,
+                                     uint32_t start_level, uint32_t num_levels,
+                                     uint32_t start_layer, uint32_t num_layers,
+                                     bool *aux_supported_out)
 {
    bool aux_supported;
    if (_mesa_is_format_color_format(mt->format)) {
@@ -2417,14 +2419,35 @@ intel_miptree_prepare_texture(struct brw_context *brw,
       aux_supported = intel_miptree_sample_with_hiz(brw, mt);
    }
 
-   intel_miptree_prepare_access(brw, mt, 0, INTEL_REMAINING_LEVELS,
-                                0, INTEL_REMAINING_LAYERS,
+   intel_miptree_prepare_access(brw, mt, start_level, num_levels,
+                                start_layer, num_layers,
                                 aux_supported, aux_supported);
    if (aux_supported_out)
       *aux_supported_out = aux_supported;
 }
 
 void
+intel_miptree_prepare_texture(struct brw_context *brw,
+                              struct intel_mipmap_tree *mt,
+                              mesa_format view_format,
+                              bool *aux_supported_out)
+{
+   intel_miptree_prepare_texture_slices(brw, mt, view_format,
+                                        0, INTEL_REMAINING_LEVELS,
+                                        0, INTEL_REMAINING_LAYERS,
+                                        aux_supported_out);
+}
+
+void
+intel_miptree_prepare_fb_fetch(struct brw_context *brw,
+                               struct intel_mipmap_tree *mt, uint32_t level,
+                               uint32_t start_layer, uint32_t num_layers)
+{
+   intel_miptree_prepare_texture_slices(brw, mt, mt->format, level, 1,
+                                        start_layer, num_layers, NULL);
+}
+
+void
 intel_miptree_prepare_render(struct brw_context *brw,
                              struct intel_mipmap_tree *mt, uint32_t level,
                              uint32_t start_layer, uint32_t layer_count,
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
index 0392935..9ab9039 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
@@ -1016,6 +1016,10 @@ intel_miptree_prepare_texture(struct brw_context *brw,
                               mesa_format view_format,
                               bool *aux_supported_out);
 void
+intel_miptree_prepare_fb_fetch(struct brw_context *brw,
+                               struct intel_mipmap_tree *mt, uint32_t level,
+                               uint32_t start_layer, uint32_t num_layers);
+void
 intel_miptree_prepare_render(struct brw_context *brw,
                              struct intel_mipmap_tree *mt, uint32_t level,
                              uint32_t start_layer, uint32_t layer_count,
-- 
2.5.0.400.gff86faf