Zebediah Figura : ddraw: Move pitch validation to ddraw_surface_create_wined3d_texture().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 655af198dfbac077dea1fbbba6a55b2ee619f344
URL:    https://gitlab.winehq.org/wine/wine/-/commit/655af198dfbac077dea1fbbba6a55b2...

Author: Zebediah Figura 
Date:   Thu Dec 22 16:19:36 2022 -0600

ddraw: Move pitch validation to ddraw_surface_create_wined3d_texture().

It makes use of the wined3d_format, and we want to move wined3d desc creation to
ddraw_surface_create_wined3d_texture() so that we can use it to recreate the
wined3d texture in SetSurfaceDesc().

---

dlls/ddraw/surface.c | 48 ++++++++++++++++++++++++++++--------------------
 1 file changed, 28 insertions(+), 20 deletions(-)

diff --git a/dlls/ddraw/surface.c b/dlls/ddraw/surface.c
index aec0bba8dc3..d01ab5294a1 100644
--- a/dlls/ddraw/surface.c
+++ b/dlls/ddraw/surface.c
@@ -5995,10 +5995,11 @@ static HRESULT ddraw_surface_reserve_memory(struct wined3d_texture *wined3d_text
     return hr;
 }

-static HRESULT ddraw_surface_create_wined3d_texture(struct wined3d_device *wined3d_device,
+static HRESULT ddraw_surface_create_wined3d_texture(struct ddraw *ddraw,
         const struct wined3d_resource_desc *wined3d_desc, unsigned int layers, unsigned int levels,
         struct ddraw_texture *texture, struct wined3d_texture **wined3d_texture)
 {
+    struct wined3d_device *wined3d_device = ddraw->wined3d_device;
     const DDSURFACEDESC2 *desc = &texture->surface_desc;
     struct wined3d_resource_desc draw_texture_desc;
     struct wined3d_texture *draw_texture;
@@ -6007,6 +6008,30 @@ static HRESULT ddraw_surface_create_wined3d_texture(struct wined3d_device *wined
     unsigned int i;
     HRESULT hr;

+    /* Validate the pitch. */
+    if (desc->dwFlags & DDSD_LPSURFACE)
+    {
+        if (format_is_compressed(&desc->u4.ddpfPixelFormat))
+        {
+            if ((desc->dwFlags & DDSD_LINEARSIZE)
+                    && desc->u1.dwLinearSize < wined3d_calculate_format_pitch(ddraw->wined3d_adapter,
+                            wined3d_desc->format, wined3d_desc->width) * ((wined3d_desc->height + 3) / 4))
+            {
+                WARN("Invalid linear size %lu specified.\n", desc->u1.dwLinearSize);
+                return DDERR_INVALIDPARAMS;
+            }
+        }
+        else
+        {
+            if (desc->u1.lPitch < wined3d_calculate_format_pitch(ddraw->wined3d_adapter,
+                    wined3d_desc->format, wined3d_desc->width) || desc->u1.lPitch & 3)
+            {
+                WARN("Invalid pitch %lu specified.\n", desc->u1.lPitch);
+                return DDERR_INVALIDPARAMS;
+            }
+        }
+    }
+
     bind_flags = 0;
     if ((desc->ddsCaps.dwCaps2 & DDSCAPS2_CUBEMAP)
             || (desc->ddsCaps.dwCaps & DDSCAPS_TEXTURE))
@@ -6526,15 +6551,6 @@ HRESULT ddraw_surface_create(struct ddraw *ddraw, const DDSURFACEDESC2 *surface_
                 heap_free(texture);
                 return DDERR_INVALIDPARAMS;
             }
-
-            if ((desc->dwFlags & DDSD_LINEARSIZE)
-                    && desc->u1.dwLinearSize < wined3d_calculate_format_pitch(ddraw->wined3d_adapter,
-                            wined3d_desc.format, wined3d_desc.width) * ((desc->dwHeight + 3) / 4))
-            {
-                WARN("Invalid linear size %lu specified.\n", desc->u1.dwLinearSize);
-                heap_free(texture);
-                return DDERR_INVALIDPARAMS;
-            }
         }
         else
         {
@@ -6545,14 +6561,6 @@ HRESULT ddraw_surface_create(struct ddraw *ddraw, const DDSURFACEDESC2 *surface_
                 return DDERR_INVALIDPARAMS;
             }

-            if (desc->u1.lPitch < wined3d_calculate_format_pitch(ddraw->wined3d_adapter,
-                    wined3d_desc.format, wined3d_desc.width) || desc->u1.lPitch & 3)
-            {
-                WARN("Invalid pitch %lu specified.\n", desc->u1.lPitch);
-                heap_free(texture);
-                return DDERR_INVALIDPARAMS;
-            }
-
             pitch = desc->u1.lPitch;
         }
     }
@@ -6590,7 +6598,7 @@ HRESULT ddraw_surface_create(struct ddraw *ddraw, const DDSURFACEDESC2 *surface_
         layers = 6;
     }

-    if (FAILED(hr = ddraw_surface_create_wined3d_texture(ddraw->wined3d_device, &wined3d_desc, layers, levels,
+    if (FAILED(hr = ddraw_surface_create_wined3d_texture(ddraw, &wined3d_desc, layers, levels,
             texture, &wined3d_texture)))
     {
         WARN("Failed to create wined3d texture, hr %#lx.\n", hr);
@@ -6724,7 +6732,7 @@ HRESULT ddraw_surface_create(struct ddraw *ddraw, const DDSURFACEDESC2 *surface_
                 desc->ddsCaps.dwCaps |= DDSCAPS_BACKBUFFER;
             desc->u5.dwBackBufferCount = 0;

-            if (FAILED(hr = ddraw_surface_create_wined3d_texture(ddraw->wined3d_device, &wined3d_desc, 1, 1,
+            if (FAILED(hr = ddraw_surface_create_wined3d_texture(ddraw, &wined3d_desc, 1, 1,
                     texture, &wined3d_texture)))
             {
                 heap_free(texture);