vbo: Move vbo_bind_arrays into a dd_driver_functions draw callback.

Factor out that common call into the almost single place.
Remove the _mesa_set_drawing_arrays call from vbo_{exec,save}_draw code
paths as the function is now called through vbo_bind_arrays.
Prepare updating the list of struct gl_vertex_array entries via
calling _vbo_update_inputs for being pushed into those drivers that
finally work on that long list of gl_vertex_array pointers.

Reviewed-by: Brian Paul <brianp@vmware.com>
Signed-off-by: Mathias Fröhlich <Mathias.Froehlich@web.de>

src/mesa/vbo/vbo_context.c

@@ -309,6 +309,31 @@ vbo_set_indirect_draw_func(struct gl_context *ctx,
 }
 
 
+/**
+ * Examine the enabled vertex arrays to set the exec->array.inputs[] values.
+ * These will point to the arrays to actually use for drawing.  Some will
+ * be user-provided arrays, other will be zero-stride const-valued arrays.
+ */
+static void
+vbo_bind_arrays(struct gl_context *ctx)
+{
+   struct vbo_context *vbo = vbo_context(ctx);
+   struct vbo_exec_context *exec = &vbo->exec;
+
+   _mesa_set_drawing_arrays(ctx, vbo->draw_arrays.inputs);
+
+   if (exec->array.recalculate_inputs) {
+      /* Finally update the inputs array */
+      _vbo_update_inputs(ctx, &vbo->draw_arrays);
+      ctx->NewDriverState |= ctx->DriverFlags.NewArray;
+      exec->array.recalculate_inputs = GL_FALSE;
+   }
+
+   assert(ctx->NewState == 0);
+   assert(ctx->Array._DrawVAO->NewArrays == 0);
+}
+
+
 void
 _vbo_draw(struct gl_context *ctx, const struct _mesa_prim *prims,
                GLuint nr_prims, const struct _mesa_index_buffer *ib,
@@ -317,6 +342,7 @@ _vbo_draw(struct gl_context *ctx, const struct _mesa_prim *prims,
                unsigned tfb_stream, struct gl_buffer_object *indirect)
 {
    struct vbo_context *vbo = vbo_context(ctx);
+   vbo_bind_arrays(ctx);
    vbo->draw_prims(ctx, prims, nr_prims, ib, index_bounds_valid,
                    min_index, max_index, tfb_vertcount, tfb_stream, indirect);
 }
@@ -332,6 +358,7 @@ _vbo_draw_indirect(struct gl_context *ctx, GLuint mode,
                         const struct _mesa_index_buffer *ib)
 {
    struct vbo_context *vbo = vbo_context(ctx);
+   vbo_bind_arrays(ctx);
    vbo->draw_indirect_prims(ctx, mode, indirect_data, indirect_offset,
                             draw_count, stride, indirect_draw_count_buffer,
                             indirect_draw_count_offset, ib);

src/mesa/vbo/vbo_exec_array.c

@@ -360,30 +360,6 @@ enabled_filter(const struct gl_context *ctx)
 }
 
 
-/**
- * Examine the enabled vertex arrays to set the exec->array.inputs[] values.
- * These will point to the arrays to actually use for drawing.  Some will
- * be user-provided arrays, other will be zero-stride const-valued arrays.
- */
-static void
-vbo_bind_arrays(struct gl_context *ctx)
-{
-   struct vbo_context *vbo = vbo_context(ctx);
-   struct vbo_exec_context *exec = &vbo->exec;
-
-   _mesa_set_drawing_arrays(ctx, vbo->draw_arrays.inputs);
-
-   if (exec->array.recalculate_inputs) {
-      /* Finally update the inputs array */
-      _vbo_update_inputs(ctx, &vbo->draw_arrays);
-      ctx->NewDriverState |= ctx->DriverFlags.NewArray;
-      exec->array.recalculate_inputs = GL_FALSE;
-
-      assert(ctx->NewState == 0);
-   }
-}
-
-
 /**
  * Helper function called by the other DrawArrays() functions below.
  * This is where we handle primitive restart for drawing non-indexed
@@ -400,8 +376,6 @@ vbo_draw_arrays(struct gl_context *ctx, GLenum mode, GLint start,
    if (skip_validated_draw(ctx))
       return;
 
-   vbo_bind_arrays(ctx);
-
    /* OpenGL 4.5 says that primitive restart is ignored with non-indexed
     * draws.
     */
@@ -818,8 +792,6 @@ vbo_validated_drawrangeelements(struct gl_context *ctx, GLenum mode,
    if (skip_draw_elements(ctx, count, indices))
       return;
 
-   vbo_bind_arrays(ctx);
-
    ib.count = count;
    ib.index_size = sizeof_ib_type(type);
    ib.obj = ctx->Array.VAO->IndexBufferObj;
@@ -1251,8 +1223,6 @@ vbo_validated_multidrawelements(struct gl_context *ctx, GLenum mode,
       return;
    }
 
-   vbo_bind_arrays(ctx);
-
    min_index_ptr = (uintptr_t) indices[0];
    max_index_ptr = 0;
    for (i = 0; i < primcount; i++) {
@@ -1458,8 +1428,6 @@ vbo_draw_transform_feedback(struct gl_context *ctx, GLenum mode,
    if (skip_validated_draw(ctx))
       return;
 
-   vbo_bind_arrays(ctx);
-
    /* init most fields to zero */
    memset(&prim, 0, sizeof(prim));
    prim.begin = 1;
@@ -1557,8 +1525,6 @@ static void
 vbo_validated_drawarraysindirect(struct gl_context *ctx,
                                  GLenum mode, const GLvoid *indirect)
 {
-   vbo_bind_arrays(ctx);
-
    ctx->Driver.DrawIndirect(ctx, mode,
                             ctx->DrawIndirectBuffer, (GLsizeiptr) indirect,
                             1 /* draw_count */ , 16 /* stride */ ,
@@ -1580,8 +1546,6 @@ vbo_validated_multidrawarraysindirect(struct gl_context *ctx,
    if (primcount == 0)
       return;
 
-   vbo_bind_arrays(ctx);
-
    ctx->Driver.DrawIndirect(ctx, mode, ctx->DrawIndirectBuffer, offset,
                             primcount, stride, NULL, 0, NULL);
 
@@ -1597,8 +1561,6 @@ vbo_validated_drawelementsindirect(struct gl_context *ctx,
 {
    struct _mesa_index_buffer ib;
 
-   vbo_bind_arrays(ctx);
-
    ib.count = 0;                /* unknown */
    ib.index_size = sizeof_ib_type(type);
    ib.obj = ctx->Array.VAO->IndexBufferObj;
@@ -1626,8 +1588,6 @@ vbo_validated_multidrawelementsindirect(struct gl_context *ctx,
    if (primcount == 0)
       return;
 
-   vbo_bind_arrays(ctx);
-
    /* NOTE: IndexBufferObj is guaranteed to be a VBO. */
 
    ib.count = 0;                /* unknown */
@@ -1798,8 +1758,6 @@ vbo_validated_multidrawarraysindirectcount(struct gl_context *ctx,
    if (maxdrawcount == 0)
       return;
 
-   vbo_bind_arrays(ctx);
-
    ctx->Driver.DrawIndirect(ctx, mode,
                             ctx->DrawIndirectBuffer, offset,
                             maxdrawcount, stride,
@@ -1824,8 +1782,6 @@ vbo_validated_multidrawelementsindirectcount(struct gl_context *ctx,
    if (maxdrawcount == 0)
       return;
 
-   vbo_bind_arrays(ctx);
-
    /* NOTE: IndexBufferObj is guaranteed to be a VBO. */
 
    ib.count = 0;                /* unknown */

src/mesa/vbo/vbo_exec_draw.c

@@ -238,7 +238,6 @@ vbo_exec_bind_arrays(struct gl_context *ctx)
    /* The exec VAO is not immutable, so we need to set manually */
    ctx->NewDriverState |= ctx->DriverFlags.NewArray;
 
-   _mesa_set_drawing_arrays(ctx, vbo->draw_arrays.inputs);
    /* Finally update the inputs array */
    _vbo_update_inputs(ctx, &vbo->draw_arrays);
 }

src/mesa/vbo/vbo_save_draw.c

@@ -208,7 +208,6 @@ vbo_save_playback_vertex_list(struct gl_context *ctx, void *data)
 
       /* Finally update the inputs array */
       _vbo_update_inputs(ctx, &vbo->draw_arrays);
-      _mesa_set_drawing_arrays(ctx, vbo->draw_arrays.inputs);
 
       assert(ctx->NewState == 0);