[PATCH 1/5] wined3d: Always mark vertex buffers as used in context_apply_draw_state().

[Henri Verbeet]

The issue this solves is that buffer_internal_preload() is only called when
STATE_VDECL or STATE_STREAMSRC is invalidated, but that doesn't happen for
regular buffer maps. We'd like to be able to just call
buffer_internal_preload() here, but buffer_internal_preload() has dependencies
on context_stream_info_from_declaration() and vice versa.
---
 dlls/wined3d/buffer.c          |    7 ++++++-
 dlls/wined3d/context.c         |   11 +++++++++++
 dlls/wined3d/wined3d_private.h |    1 +
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/dlls/wined3d/buffer.c b/dlls/wined3d/buffer.c
index fbbe398..901382c 100644
--- a/dlls/wined3d/buffer.c
+++ b/dlls/wined3d/buffer.c
@@ -721,6 +721,11 @@ static void buffer_direct_upload(struct wined3d_buffer *This, const struct wined
     checkGLcall("glUnmapBufferARB");
 }
 
+void buffer_mark_used(struct wined3d_buffer *buffer)
+{
+    buffer->flags &= ~(WINED3D_BUFFER_NOSYNC | WINED3D_BUFFER_DISCARD);
+}
+
 /* Context activation is done by the caller. */
 void buffer_internal_preload(struct wined3d_buffer *buffer, struct wined3d_context *context,
         const struct wined3d_state *state)
@@ -741,7 +746,7 @@ void buffer_internal_preload(struct wined3d_buffer *buffer, struct wined3d_conte
         return;
     }
 
-    buffer->flags &= ~(WINED3D_BUFFER_NOSYNC | WINED3D_BUFFER_DISCARD);
+    buffer_mark_used(buffer);
 
     if (!buffer->buffer_object)
     {
diff --git a/dlls/wined3d/context.c b/dlls/wined3d/context.c
index 32cc191..e8423f4 100644
--- a/dlls/wined3d/context.c
+++ b/dlls/wined3d/context.c
@@ -2958,6 +2958,7 @@ BOOL context_apply_draw_state(struct wined3d_context *context, struct wined3d_de
     const struct StateEntry *state_table = context->state_table;
     const struct wined3d_fb_state *fb = state->fb;
     unsigned int i;
+    WORD map;
 
     if (!context_validate_rt_config(context->gl_info->limits.buffers,
             fb->render_targets, fb->depth_stencil))
@@ -2974,7 +2975,17 @@ BOOL context_apply_draw_state(struct wined3d_context *context, struct wined3d_de
     context_update_tex_unit_map(context, state);
     context_preload_textures(context, state);
     if (isStateDirty(context, STATE_VDECL) || isStateDirty(context, STATE_STREAMSRC))
+    {
         context_update_stream_info(context, state);
+    }
+    else
+    {
+        for (i = 0, map = context->stream_info.use_map; map; map >>= 1, ++i)
+        {
+            if (map & 1)
+                buffer_mark_used(state->streams[context->stream_info.elements[i].stream_idx].buffer);
+        }
+    }
     if (state->index_buffer)
     {
         if (context->stream_info.all_vbo)
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 8f411cd..0c11528 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -2590,6 +2590,7 @@ void buffer_get_memory(struct wined3d_buffer *buffer, struct wined3d_context *co
 BYTE *buffer_get_sysmem(struct wined3d_buffer *This, struct wined3d_context *context) DECLSPEC_HIDDEN;
 void buffer_internal_preload(struct wined3d_buffer *buffer, struct wined3d_context *context,
         const struct wined3d_state *state) DECLSPEC_HIDDEN;
+void buffer_mark_used(struct wined3d_buffer *buffer) DECLSPEC_HIDDEN;
 
 struct wined3d_rendertarget_view
 {
-- 
1.7.10.4