[PATCH] Add a function which checks the SRGBREAD capabilities.

[Roderick Colenbrander]

---
 dlls/wined3d/directx.c |   29 +++++++++++++++++++++++++++++
 1 files changed, 29 insertions(+), 0 deletions(-)

diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index 170b3a5..e4158a6 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -1968,6 +1968,35 @@ static BOOL CheckRenderTargetCapability(WINED3DFORMAT AdapterFormat, WINED3DFORM
     return FALSE;
 }
 
+static BOOL CheckSrgbReadCapability(UINT Adapter, WINED3DFORMAT CheckFormat)
+{
+    /* Check for supported sRGB formats (Texture loading and framebuffer) */
+    if(!GL_SUPPORT(EXT_TEXTURE_SRGB)) {
+        TRACE_(d3d_caps)("[FAILED] GL_EXT_texture_sRGB not supported\n");
+        return FALSE;
+    }
+
+    switch (CheckFormat) {
+        case WINED3DFMT_A8R8G8B8:
+        case WINED3DFMT_X8R8G8B8:
+        case WINED3DFMT_A4R4G4B4:
+        case WINED3DFMT_L8:
+        case WINED3DFMT_A8L8:
+        case WINED3DFMT_DXT1:
+        case WINED3DFMT_DXT2:
+        case WINED3DFMT_DXT3:
+        case WINED3DFMT_DXT4:
+        case WINED3DFMT_DXT5:
+            TRACE_(d3d_caps)("[OK]\n");
+            return TRUE;
+
+        default:
+            TRACE_(d3d_caps)("[FAILED] Gamma texture format %s not supported.\n", debug_d3dformat(CheckFormat));
+            return FALSE;
+    }
+    return FALSE;
+}
+
 static HRESULT WINAPI IWineD3DImpl_CheckDeviceFormat(IWineD3D *iface, UINT Adapter, WINED3DDEVTYPE DeviceType, 
                                               WINED3DFORMAT AdapterFormat, DWORD Usage, WINED3DRESOURCETYPE RType, WINED3DFORMAT CheckFormat) {
     IWineD3DImpl *This = (IWineD3DImpl *)iface;
-- 
1.5.3.4


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