Mesa (gallium-vertexelementcso): i915g: adapt to new vertex element cso

[Roland Scheidegger]

Module: Mesa
Branch: gallium-vertexelementcso
Commit: 8e2df0dcb92b7b092b35df3d35591c31d5f2ca5f
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8e2df0dcb92b7b092b35df3d35591c31d5f2ca5f

Author: Roland Scheidegger <sroland at vmware.com>
Date:   Mon Mar  1 18:47:17 2010 +0100

i915g: adapt to new vertex element cso

---

 src/gallium/drivers/i915/i915_context.h |    8 +++++-
 src/gallium/drivers/i915/i915_state.c   |   35 +++++++++++++++++++++++++-----
 2 files changed, 35 insertions(+), 8 deletions(-)

diff --git a/src/gallium/drivers/i915/i915_context.h b/src/gallium/drivers/i915/i915_context.h
index da769e7..369c63e 100644
--- a/src/gallium/drivers/i915/i915_context.h
+++ b/src/gallium/drivers/i915/i915_context.h
@@ -148,7 +148,7 @@ struct i915_state
 
    /** Describes the current hardware vertex layout */
    struct vertex_info vertex_info;
-   
+
    unsigned id;			/* track lost context events */
 };
 
@@ -187,6 +187,11 @@ struct i915_sampler_state {
    unsigned maxlod;
 };
 
+struct i915_velems_state {
+   unsigned count;
+   struct pipe_vertex_element velem[];
+};
+
 struct i915_texture {
    struct pipe_texture base;
 
@@ -247,7 +252,6 @@ struct i915_context
 
    unsigned num_samplers;
    unsigned num_textures;
-   unsigned num_vertex_elements;
    unsigned num_vertex_buffers;
 
    struct intel_batchbuffer *batch;
diff --git a/src/gallium/drivers/i915/i915_state.c b/src/gallium/drivers/i915/i915_state.c
index 6216991..4640606 100644
--- a/src/gallium/drivers/i915/i915_state.c
+++ b/src/gallium/drivers/i915/i915_state.c
@@ -742,21 +742,42 @@ static void i915_set_vertex_buffers(struct pipe_context *pipe,
    draw_set_vertex_buffers(i915->draw, count, buffers);
 }
 
-static void i915_set_vertex_elements(struct pipe_context *pipe,
-                                     unsigned count,
-                                     const struct pipe_vertex_element *elements)
+static void *
+i915_create_vertex_elements_state(struct pipe_context *pipe,
+                                  unsigned count,
+                                  const struct pipe_vertex_element *attribs)
+{
+   struct i915_velems_state *velems;
+   assert(count <= PIPE_MAX_ATTRIBS);
+   velems = (struct i915_velems_state *) MALLOC(sizeof(struct i915_velems_state) + count * sizeof(*attribs));
+   if (velems) {
+      velems->count = count;
+      memcpy(velems->velem, attribs, sizeof(*attribs) * count);
+   }
+   return velems;
+}
+
+static void
+i915_bind_vertex_elements_state(struct pipe_context *pipe,
+                                void *velems)
 {
    struct i915_context *i915 = i915_context(pipe);
+   struct i915_velems_state *i915_velems = (struct i915_velems_state *) velems;
+
    /* Because we change state before the draw_set_vertex_buffers call
     * we need a flush here, just to be sure.
     */
    draw_flush(i915->draw);
 
-   i915->num_vertex_elements = count;
    /* pass-through to draw module */
-   draw_set_vertex_elements(i915->draw, count, elements);
+   draw_set_vertex_elements(i915->draw, i915_velems->count, i915_velems->velem);
 }
 
+static void
+i915_delete_vertex_elements_state(struct pipe_context *pipe, void *velems)
+{
+   FREE( velems );
+}
 
 void
 i915_init_state_functions( struct i915_context *i915 )
@@ -782,6 +803,9 @@ i915_init_state_functions( struct i915_context *i915 )
    i915->base.create_vs_state = i915_create_vs_state;
    i915->base.bind_vs_state = i915_bind_vs_state;
    i915->base.delete_vs_state = i915_delete_vs_state;
+   i915->base.create_vertex_elements_state = i915_create_vertex_elements_state;
+   i915->base.bind_vertex_elements_state = i915_bind_vertex_elements_state;
+   i915->base.delete_vertex_elements_state = i915_delete_vertex_elements_state;
 
    i915->base.set_blend_color = i915_set_blend_color;
    i915->base.set_stencil_ref = i915_set_stencil_ref;
@@ -794,5 +818,4 @@ i915_init_state_functions( struct i915_context *i915 )
    i915->base.set_fragment_sampler_textures = i915_set_sampler_textures;
    i915->base.set_viewport_state = i915_set_viewport_state;
    i915->base.set_vertex_buffers = i915_set_vertex_buffers;
-   i915->base.set_vertex_elements = i915_set_vertex_elements;
 }