Józef Kucia : wined3d: Add support for WINED3DFMT_BC4_UNORM format.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 24b951389efdd741f3af75ccf93866ea7adba697
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=24b951389efdd741f3af75ccf9...

Author: Józef Kucia 
Date:   Thu Mar  3 12:58:14 2016 +0100

wined3d: Add support for WINED3DFMT_BC4_UNORM format.

Signed-off-by: Józef Kucia 
Signed-off-by: Henri Verbeet 
Signed-off-by: Alexandre Julliard

---

dlls/wined3d/utils.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/dlls/wined3d/utils.c b/dlls/wined3d/utils.c
index 4e33f86..60ff776 100644
--- a/dlls/wined3d/utils.c
+++ b/dlls/wined3d/utils.c
@@ -241,6 +241,7 @@ static const struct wined3d_typed_format_info typed_formats[] =
     {WINED3DFMT_BC2_UNORM,              WINED3DFMT_BC2_TYPELESS,          ""},
     {WINED3DFMT_BC3_UNORM_SRGB,         WINED3DFMT_BC3_TYPELESS,          ""},
     {WINED3DFMT_BC3_UNORM,              WINED3DFMT_BC3_TYPELESS,          ""},
+    {WINED3DFMT_BC4_UNORM,              WINED3DFMT_BC4_TYPELESS,          ""},
     {WINED3DFMT_B8G8R8A8_UNORM_SRGB,    WINED3DFMT_B8G8R8A8_TYPELESS,     "uuuu"},
     {WINED3DFMT_B8G8R8A8_UNORM,         WINED3DFMT_B8G8R8A8_TYPELESS,     "uuuu"},
     {WINED3DFMT_B8G8R8X8_UNORM_SRGB,    WINED3DFMT_B8G8R8X8_TYPELESS,     "uuu"},
@@ -294,6 +295,7 @@ static const struct wined3d_format_block_info format_block_info[] =
     {WINED3DFMT_BC1_UNORM, 4,  4,  8,  TRUE},
     {WINED3DFMT_BC2_UNORM, 4,  4,  16, TRUE},
     {WINED3DFMT_BC3_UNORM, 4,  4,  16, TRUE},
+    {WINED3DFMT_BC4_UNORM, 4,  4,  8,  TRUE},
     {WINED3DFMT_ATI1N,     4,  4,  8,  FALSE},
     {WINED3DFMT_ATI2N,     4,  4,  16, FALSE},
     {WINED3DFMT_YUY2,      2,  1,  4,  FALSE},
@@ -1053,6 +1055,11 @@ static const struct wined3d_format_texture_info format_texture_info[] =
             WINED3DFMT_FLAG_TEXTURE | WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING
             | WINED3DFMT_FLAG_COMPRESSED,
             EXT_TEXTURE_COMPRESSION_S3TC, NULL},
+    {WINED3DFMT_BC4_UNORM,              GL_COMPRESSED_RED_RGTC1,          GL_COMPRESSED_RED_RGTC1,                0,
+            GL_RED,                     GL_UNSIGNED_BYTE,                 0,
+            WINED3DFMT_FLAG_TEXTURE | WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING | WINED3DFMT_FLAG_FILTERING
+            | WINED3DFMT_FLAG_COMPRESSED,
+            ARB_TEXTURE_COMPRESSION_RGTC, NULL},
     /* IEEE formats */
     {WINED3DFMT_R32_FLOAT,              GL_RGB32F_ARB,                    GL_RGB32F_ARB,                          0,
             GL_RED,                     GL_FLOAT,                         0,