commit 33fee47bc7a0879eb09bf167bad9a15a651ac8f4
Author: Sergey Isakov <isakov-sl@bk.ru>
Date:   Tue Feb 16 23:04:44 2016 +0300

    wined3d: implement conversion from WINED3DFMT_P8_UINT to WINED3DFMT_B5G6R5_UNORM
    
    Signed-off-by: Sergey Isakov <isakov-sl@bk.ru>

diff --git a/dlls/wined3d/surface.c b/dlls/wined3d/surface.c
index c1d7b18..7d20eaf 100644
--- a/dlls/wined3d/surface.c
+++ b/dlls/wined3d/surface.c
@@ -1952,7 +1952,7 @@ HRESULT wined3d_surface_update_desc(struct wined3d_surface *surface, const struc
 }
 
 static void convert_r32_float_r16_float(const BYTE *src, BYTE *dst,
-        DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h)
+        DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h, const struct wined3d_palette *palette)
 {
     unsigned short *dst_s;
     const float *src_f;
@@ -1972,7 +1972,7 @@ static void convert_r32_float_r16_float(const BYTE *src, BYTE *dst,
 }
 
 static void convert_r5g6b5_x8r8g8b8(const BYTE *src, BYTE *dst,
-        DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h)
+        DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h, const struct wined3d_palette *palette)
 {
     static const unsigned char convert_5to8[] =
     {
@@ -2014,7 +2014,7 @@ static void convert_r5g6b5_x8r8g8b8(const BYTE *src, BYTE *dst,
 /* We use this for both B8G8R8A8 -> B8G8R8X8 and B8G8R8X8 -> B8G8R8A8, since
  * in both cases we're just setting the X / Alpha channel to 0xff. */
 static void convert_a8r8g8b8_x8r8g8b8(const BYTE *src, BYTE *dst,
-        DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h)
+        DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h, const struct wined3d_palette *palette)
 {
     unsigned int x, y;
 
@@ -2038,7 +2038,7 @@ static inline BYTE cliptobyte(int x)
 }
 
 static void convert_yuy2_x8r8g8b8(const BYTE *src, BYTE *dst,
-        DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h)
+        DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h, const struct wined3d_palette *palette)
 {
     int c2, d, e, r2 = 0, g2 = 0, b2 = 0;
     unsigned int x, y;
@@ -2080,7 +2080,7 @@ static void convert_yuy2_x8r8g8b8(const BYTE *src, BYTE *dst,
 }
 
 static void convert_yuy2_r5g6b5(const BYTE *src, BYTE *dst,
-        DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h)
+        DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h, const struct wined3d_palette *palette)
 {
     unsigned int x, y;
     int c2, d, e, r2 = 0, g2 = 0, b2 = 0;
@@ -2120,10 +2120,37 @@ static void convert_yuy2_r5g6b5(const BYTE *src, BYTE *dst,
     }
 }
 
+static void convert_p8_r5g6b5(const BYTE *src, BYTE *dst,
+                              DWORD src_pitch, DWORD dst_pitch, unsigned int width, unsigned int height,
+                              const struct wined3d_palette *palette)
+{
+    unsigned int x, y;
+    const BYTE *src_row;
+    WORD *dst_row;
+    WORD grey = 0x0821;
+
+    for (y = 0; y < height; ++y)
+    {
+        src_row = &src[src_pitch * y];
+        dst_row = (WORD *)&dst[dst_pitch * y];
+        for (x = 0; x < width; ++x)
+        {
+            BYTE src_color = src_row[x];
+            if (palette) {
+                dst_row[x] =  (palette->colors[src_color].rgbRed << 11)
+                | (palette->colors[src_color].rgbGreen << 5)
+                |  palette->colors[src_color].rgbBlue;
+            } else {
+                dst_row[x] = grey * (src_color / 8);
+            }
+        }
+    }
+}
+
 struct d3dfmt_converter_desc
 {
     enum wined3d_format_id from, to;
-    void (*convert)(const BYTE *src, BYTE *dst, DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h);
+    void (*convert)(const BYTE *src, BYTE *dst, DWORD pitch_in, DWORD pitch_out, unsigned int w, unsigned int h, const struct wined3d_palette *palette);
 };
 
 static const struct d3dfmt_converter_desc converters[] =
@@ -2134,6 +2161,7 @@ static const struct d3dfmt_converter_desc converters[] =
     {WINED3DFMT_B8G8R8X8_UNORM, WINED3DFMT_B8G8R8A8_UNORM,  convert_a8r8g8b8_x8r8g8b8},
     {WINED3DFMT_YUY2,           WINED3DFMT_B8G8R8X8_UNORM,  convert_yuy2_x8r8g8b8},
     {WINED3DFMT_YUY2,           WINED3DFMT_B5G6R5_UNORM,    convert_yuy2_r5g6b5},
+    {WINED3DFMT_P8_UINT,        WINED3DFMT_B5G6R5_UNORM,    convert_p8_r5g6b5},
 };
 
 static inline const struct d3dfmt_converter_desc *find_converter(enum wined3d_format_id from,
@@ -2199,7 +2227,7 @@ static struct wined3d_texture *surface_convert_format(struct wined3d_surface *so
     }
 
     conv->convert(src_map.data, dst_map.data, src_map.row_pitch, dst_map.row_pitch,
-            source->resource.width, source->resource.height);
+            source->resource.width, source->resource.height, source->container->swapchain->palette);
 
     wined3d_surface_unmap(dst);
     wined3d_surface_unmap(source);