[PATCH 2/5] wined3d: Add a conversion function for WINED3DFMT_X8D24_UNORM.

[Henri Verbeet]

Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
---
 dlls/wined3d/utils.c | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/dlls/wined3d/utils.c b/dlls/wined3d/utils.c
index 78ada57..2bdc9e2 100644
--- a/dlls/wined3d/utils.c
+++ b/dlls/wined3d/utils.c
@@ -828,6 +828,26 @@ static void convert_s8_uint_d24_float(const BYTE *src, BYTE *dst, UINT src_row_p
     }
 }
 
+static void convert_x8_d24_unorm(const BYTE *src, BYTE *dst, UINT src_row_pitch, UINT src_slice_pitch,
+        UINT dst_row_pitch, UINT dst_slice_pitch, UINT width, UINT height, UINT depth)
+{
+    unsigned int x, y, z;
+
+    for (z = 0; z < depth; ++z)
+    {
+        for (y = 0; y < height; ++y)
+        {
+            const DWORD *source = (const DWORD *)(src + z * src_slice_pitch + y * src_row_pitch);
+            DWORD *dest = (DWORD *)(dst + z * dst_slice_pitch + y * dst_row_pitch);
+
+            for (x = 0; x < width; ++x)
+            {
+                dest[x] = source[x] << 8 | source[x] >> 16;
+            }
+        }
+    }
+}
+
 static BOOL color_in_range(const struct wined3d_color_key *color_key, DWORD color)
 {
     /* FIXME: Is this really how color keys are supposed to work? I think it
@@ -1571,14 +1591,14 @@ static const struct wined3d_format_texture_info format_texture_info[] =
             | WINED3DFMT_FLAG_DEPTH | WINED3DFMT_FLAG_STENCIL | WINED3DFMT_FLAG_SHADOW,
             ARB_FRAMEBUFFER_OBJECT,     NULL},
     {WINED3DFMT_X8D24_UNORM,            GL_DEPTH_COMPONENT,               GL_DEPTH_COMPONENT,                     0,
-            GL_DEPTH_COMPONENT,         GL_UNSIGNED_INT,                  0,
+            GL_DEPTH_COMPONENT,         GL_UNSIGNED_INT,                  4,
             WINED3DFMT_FLAG_DEPTH,
-            WINED3D_GL_EXT_NONE,        NULL},
+            WINED3D_GL_EXT_NONE,        convert_x8_d24_unorm},
     {WINED3DFMT_X8D24_UNORM,            GL_DEPTH_COMPONENT24_ARB,         GL_DEPTH_COMPONENT24_ARB,               0,
-            GL_DEPTH_COMPONENT,         GL_UNSIGNED_INT,                  0,
+            GL_DEPTH_COMPONENT,         GL_UNSIGNED_INT,                  4,
             WINED3DFMT_FLAG_TEXTURE | WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING
             | WINED3DFMT_FLAG_DEPTH | WINED3DFMT_FLAG_SHADOW,
-            ARB_DEPTH_TEXTURE,          NULL},
+            ARB_DEPTH_TEXTURE,          convert_x8_d24_unorm},
     {WINED3DFMT_S4X4_UINT_D24_UNORM,    GL_DEPTH_COMPONENT24_ARB,         GL_DEPTH_COMPONENT24_ARB,               0,
             GL_DEPTH_COMPONENT,         GL_UNSIGNED_INT,                  0,
             WINED3DFMT_FLAG_DEPTH | WINED3DFMT_FLAG_SHADOW,
-- 
2.1.4