[PATCH 1/6] wined3d: Respect WINED3D_SWAPCHAIN_LOCKABLE_BACKBUFFER.
Henri Verbeet
hverbeet at codeweavers.com
Thu Nov 8 11:59:02 CST 2018
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
---
dlls/wined3d/device.c | 5 +++++
dlls/wined3d/swapchain.c | 3 +++
2 files changed, 8 insertions(+)
diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 3697b8f0005..b1a322e33de 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -4756,6 +4756,11 @@ static void update_swapchain_flags(struct wined3d_texture *texture)
{
unsigned int flags = texture->swapchain->desc.flags;
+ if (flags & WINED3D_SWAPCHAIN_LOCKABLE_BACKBUFFER)
+ texture->resource.access |= WINED3D_RESOURCE_ACCESS_MAP_R | WINED3D_RESOURCE_ACCESS_MAP_W;
+ else
+ texture->resource.access &= ~(WINED3D_RESOURCE_ACCESS_MAP_R | WINED3D_RESOURCE_ACCESS_MAP_W);
+
if (flags & WINED3D_SWAPCHAIN_GDI_COMPATIBLE)
texture->flags |= WINED3D_TEXTURE_GET_DC;
else
diff --git a/dlls/wined3d/swapchain.c b/dlls/wined3d/swapchain.c
index 499e1631f18..b95623be7ca 100644
--- a/dlls/wined3d/swapchain.c
+++ b/dlls/wined3d/swapchain.c
@@ -838,6 +838,8 @@ static HRESULT swapchain_init(struct wined3d_swapchain *swapchain, struct wined3
texture_desc.usage |= WINED3DUSAGE_OWNDC;
texture_desc.bind_flags = 0;
texture_desc.access = WINED3D_RESOURCE_ACCESS_GPU;
+ if (swapchain->desc.flags & WINED3D_SWAPCHAIN_LOCKABLE_BACKBUFFER)
+ texture_desc.access |= WINED3D_RESOURCE_ACCESS_MAP_R | WINED3D_RESOURCE_ACCESS_MAP_W;
texture_desc.width = swapchain->desc.backbuffer_width;
texture_desc.height = swapchain->desc.backbuffer_height;
texture_desc.depth = 1;
@@ -947,6 +949,7 @@ static HRESULT swapchain_init(struct wined3d_swapchain *swapchain, struct wined3
texture_desc.format = swapchain->desc.auto_depth_stencil_format;
texture_desc.usage = 0;
texture_desc.bind_flags = WINED3D_BIND_DEPTH_STENCIL;
+ texture_desc.access = WINED3D_RESOURCE_ACCESS_GPU;
if (FAILED(hr = device->device_parent->ops->create_swapchain_texture(device->device_parent,
device->device_parent, &texture_desc, 0, &ds)))
--
2.11.0
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