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

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

wined3d: Allow OpenGL indirect draw buffer objects to be suballocated from a larger buffer.
2e67ea19 · Zebediah Figura · Alexandre Julliard · 3220ea24 · 2e67ea19
Commit 2e67ea19 authored Nov 19, 2021 by Zebediah Figura Committed by Alexandre Julliard Nov 22, 2021
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context_gl.c dlls/wined3d/context_gl.c +1 -1

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--- a/dlls/wined3d/context_gl.c
+++ b/dlls/wined3d/context_gl.c
@@ -4738,7 +4738,7 @@ static void wined3d_context_gl_draw_indirect(struct wined3d_context_gl *context_

    GL_EXTCALL(glBindBuffer(GL_DRAW_INDIRECT_BUFFER, bo_gl->id));

-    offset = (void *)(GLintptr)parameters->offset;
+    offset = (const uint8_t *)bo_gl->b.buffer_offset + parameters->offset;
    if (idx_size)
    {
        GLenum idx_type = idx_size == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT;