From 798504700b9a6122740d243fc51478b37b82cfae Mon Sep 17 00:00:00 2001
From: Henri Verbeet <hverbeet@codeweavers.com>
Date: Mon, 29 Jan 2018 21:10:22 +0330
Subject: [PATCH] wined3d: Introduce WINED3D_RESOURCE_ACCESS_MAP.

In order to distinguish between resources that exist purely in CPU memory and
resources that exist in GPU memory but can be mapped.

Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
---
 dlls/wined3d/resource.c        |  8 ++++----
 dlls/wined3d/texture.c         | 10 +++++-----
 dlls/wined3d/wined3d_private.h |  7 ++++---
 3 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/dlls/wined3d/resource.c b/dlls/wined3d/resource.c
index dcaa0727075..7817f85c98f 100644
--- a/dlls/wined3d/resource.c
+++ b/dlls/wined3d/resource.c
@@ -36,11 +36,11 @@ static DWORD resource_access_from_pool(enum wined3d_pool pool)
             return WINED3D_RESOURCE_ACCESS_GPU;
 
         case WINED3D_POOL_MANAGED:
-            return WINED3D_RESOURCE_ACCESS_GPU | WINED3D_RESOURCE_ACCESS_CPU;
+            return WINED3D_RESOURCE_ACCESS_GPU | WINED3D_RESOURCE_ACCESS_CPU | WINED3D_RESOURCE_ACCESS_MAP;
 
         case WINED3D_POOL_SCRATCH:
         case WINED3D_POOL_SYSTEM_MEM:
-            return WINED3D_RESOURCE_ACCESS_CPU;
+            return WINED3D_RESOURCE_ACCESS_CPU | WINED3D_RESOURCE_ACCESS_MAP;
 
         default:
             FIXME("Unhandled pool %#x.\n", pool);
@@ -191,9 +191,9 @@ HRESULT resource_init(struct wined3d_resource *resource, struct wined3d_device *
     resource->multisample_quality = multisample_quality;
     resource->usage = usage;
     resource->pool = pool;
-    resource->access_flags = resource_access_from_pool(pool);
+    resource->access = resource_access_from_pool(pool);
     if (usage & WINED3DUSAGE_DYNAMIC)
-        resource->access_flags |= WINED3D_RESOURCE_ACCESS_CPU;
+        resource->access |= WINED3D_RESOURCE_ACCESS_MAP;
     resource->width = width;
     resource->height = height;
     resource->depth = depth;
diff --git a/dlls/wined3d/texture.c b/dlls/wined3d/texture.c
index 4dc739cc4c0..36d46ad917a 100644
--- a/dlls/wined3d/texture.c
+++ b/dlls/wined3d/texture.c
@@ -33,7 +33,7 @@ WINE_DECLARE_DEBUG_CHANNEL(winediag);
 static BOOL wined3d_texture_use_pbo(const struct wined3d_texture *texture, const struct wined3d_gl_info *gl_info)
 {
     return texture->resource.pool == WINED3D_POOL_DEFAULT
-            && texture->resource.access_flags & WINED3D_RESOURCE_ACCESS_CPU
+            && texture->resource.access & WINED3D_RESOURCE_ACCESS_MAP
             && gl_info->supported[ARB_PIXEL_BUFFER_OBJECT]
             && !texture->resource.format->conv_byte_count
             && !(texture->flags & (WINED3D_TEXTURE_PIN_SYSMEM | WINED3D_TEXTURE_COND_NP2_EMULATED));
@@ -243,9 +243,9 @@ BOOL wined3d_texture_load_location(struct wined3d_texture *texture,
     if (WARN_ON(d3d))
     {
         DWORD required_access = wined3d_resource_access_from_location(location);
-        if ((texture->resource.access_flags & required_access) != required_access)
+        if ((texture->resource.access & required_access) != required_access)
             WARN("Operation requires %#x access, but texture only has %#x.\n",
-                    required_access, texture->resource.access_flags);
+                    required_access, texture->resource.access);
     }
 
     if (current & WINED3D_LOCATION_DISCARDED)
@@ -369,7 +369,7 @@ static HRESULT wined3d_texture_init(struct wined3d_texture *texture, const struc
     }
     wined3d_resource_update_draw_binding(&texture->resource);
     if ((flags & WINED3D_TEXTURE_CREATE_MAPPABLE) || desc->format == WINED3DFMT_D16_LOCKABLE)
-        texture->resource.access_flags |= WINED3D_RESOURCE_ACCESS_CPU;
+        texture->resource.access |= WINED3D_RESOURCE_ACCESS_MAP;
 
     texture->texture_ops = texture_ops;
 
@@ -1874,7 +1874,7 @@ static HRESULT texture_resource_sub_resource_map(struct wined3d_resource *resour
             return WINED3DERR_INVALIDCALL;
     }
 
-    if (!(resource->access_flags & WINED3D_RESOURCE_ACCESS_CPU))
+    if (!(resource->access & WINED3D_RESOURCE_ACCESS_MAP))
     {
         WARN("Trying to map unmappable texture.\n");
         if (resource->type != WINED3D_RTYPE_TEXTURE_2D)
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 9f68b0ad30f..082c1ecc4af 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -2961,8 +2961,9 @@ static inline BOOL isStateDirty(const struct wined3d_context *context, DWORD sta
     return context->isStateDirty[idx] & (1u << shift);
 }
 
-#define WINED3D_RESOURCE_ACCESS_GPU     0x1
-#define WINED3D_RESOURCE_ACCESS_CPU     0x2
+#define WINED3D_RESOURCE_ACCESS_GPU     0x1u
+#define WINED3D_RESOURCE_ACCESS_CPU     0x2u
+#define WINED3D_RESOURCE_ACCESS_MAP     0x4u
 
 struct wined3d_resource_ops
 {
@@ -2990,7 +2991,7 @@ struct wined3d_resource
     UINT multisample_quality;
     DWORD usage;
     enum wined3d_pool pool;
-    DWORD access_flags;
+    unsigned int access;
     WORD draw_binding;
     WORD map_binding;
     UINT width;