Fabian Bieler : wined3d: Add support for float texture formats back in.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 7df5deab23acf47e662d2eaede22d3e69b4fe6ec
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=7df5deab23acf47e662d2eaede...

Author: Fabian Bieler 
Date:   Thu Mar 29 19:53:52 2007 +0200

wined3d: Add support for float texture formats back in.

---

dlls/wined3d/directx.c |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index dea1d43..2d4024f 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -1702,6 +1702,23 @@ static HRESULT WINAPI IWineD3DImpl_CheckDeviceFormat(IWineD3D *iface, UINT Adapt
         }
     }

+    if (GL_SUPPORT(ARB_TEXTURE_FLOAT)) {
+
+        BOOL half_pixel_support = GL_SUPPORT(ARB_HALF_FLOAT_PIXEL);
+
+        switch (CheckFormat) {
+            case WINED3DFMT_R16F:
+            case WINED3DFMT_A16B16G16R16F:
+                if (!half_pixel_support) break;
+            case WINED3DFMT_R32F:
+            case WINED3DFMT_A32B32G32R32F:
+                TRACE_(d3d_caps)("[OK]\n");
+                return WINED3D_OK;
+            default:
+                break; /* Avoid compiler warnings */
+        }
+    }
+
     /* This format is nothing special and it is supported perfectly.
      * However, ati and nvidia driver on windows do not mark this format as
      * supported (tested with the dxCapsViewer) and pretending to