Henri Verbeet : wined3d: Allow OpenGL uniform buffer objects to be suballocated from a larger buffer.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 8f0c9e490bc8266787cb1adf07f11791ca2d23ae
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=8f0c9e490bc8266787cb1adf07f11791ca2d23ae

Author: Henri Verbeet <hverbeet at codeweavers.com>
Date:   Thu Nov 18 21:06:20 2021 -0600

wined3d: Allow OpenGL uniform buffer objects to be suballocated from a larger buffer.

Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/wined3d/state.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dlls/wined3d/state.c b/dlls/wined3d/state.c
index adbaa50a349..e0dba8701bc 100644
--- a/dlls/wined3d/state.c
+++ b/dlls/wined3d/state.c
@@ -4577,6 +4577,7 @@ static void state_cb(struct wined3d_context *context, const struct wined3d_state
     enum wined3d_shader_type shader_type;
     struct wined3d_buffer *buffer;
     unsigned int i, base, count;
+    struct wined3d_bo_gl *bo_gl;
 
     TRACE("context %p, state %p, state_id %#x.\n", context, state, state_id);
 
@@ -4597,8 +4598,9 @@ static void state_cb(struct wined3d_context *context, const struct wined3d_state
         }
 
         buffer = buffer_state->buffer;
+        bo_gl = wined3d_bo_gl(buffer->buffer_object);
         GL_EXTCALL(glBindBufferRange(GL_UNIFORM_BUFFER, base + i,
-                wined3d_bo_gl(buffer->buffer_object)->id, buffer_state->offset, buffer_state->size));
+                bo_gl->id, bo_gl->buffer_offset + buffer_state->offset, buffer_state->size));
         buffer->bo_user.valid = true;
     }
     checkGLcall("bind constant buffers");