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List:       wine-devel
Subject:    [PATCH 3/4] wined3d: Use PBO for read-only staging textures.
From:       Andrew Wesie <awesie () gmail ! com>
Date:       2018-09-30 17:01:59
Message-ID: 1538326920-5825-3-git-send-email-awesie () gmail ! com
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Signed-off-by: Andrew Wesie <awesie@gmail.com>
---
 dlls/wined3d/texture.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/dlls/wined3d/texture.c b/dlls/wined3d/texture.c
index 60d1e5b..78e9364 100644
--- a/dlls/wined3d/texture.c
+++ b/dlls/wined3d/texture.c
@@ -46,11 +46,15 @@ struct wined3d_rect_f
 
 static BOOL wined3d_texture_use_pbo(const struct wined3d_texture *texture, const \
struct wined3d_gl_info *gl_info)  {
-    return !(texture->resource.access & WINED3D_RESOURCE_ACCESS_CPU)
-            && texture->resource.usage & WINED3DUSAGE_DYNAMIC
-            && gl_info->supported[ARB_PIXEL_BUFFER_OBJECT]
-            && !texture->resource.format->conv_byte_count
-            && !(texture->flags & (WINED3D_TEXTURE_PIN_SYSMEM | \
WINED3D_TEXTURE_COND_NP2_EMULATED)); +    if \
(!gl_info->supported[ARB_PIXEL_BUFFER_OBJECT] +            || \
texture->resource.format->conv_byte_count +            || (texture->flags & \
(WINED3D_TEXTURE_PIN_SYSMEM | WINED3D_TEXTURE_COND_NP2_EMULATED))) +        return \
FALSE; +
+    /* Use a PBO for dynamic textures and read-only staging textures. */
+    return (!(texture->resource.access & WINED3D_RESOURCE_ACCESS_CPU)
+                && texture->resource.usage & WINED3DUSAGE_DYNAMIC)
+            || texture->resource.access == (WINED3D_RESOURCE_ACCESS_CPU | \
WINED3D_RESOURCE_ACCESS_MAP_R);  }
 
 static BOOL wined3d_texture_use_immutable_storage(const struct wined3d_texture \
                *texture,
-- 
2.7.4


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