Roderick Colenbrander : wined3d: Add D3DUSAGE_QUERY_PIXELSHADER_BLENDING to CheckDeviceFormat.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 69a40127c64ddce1908d72556bc0d6dcec86b396
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=69a40127c64ddce1908d72556bc0d6dcec86b396

Author: Roderick Colenbrander <thunderbird2k at gmx.net>
Date:   Sat Mar 22 21:41:30 2008 +0000

wined3d: Add D3DUSAGE_QUERY_PIXELSHADER_BLENDING to CheckDeviceFormat.

---

 dlls/wined3d/directx.c |   47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 47 insertions(+), 0 deletions(-)

diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index bd66cfd..c8e9325 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -2054,6 +2054,23 @@ static BOOL CheckSrgbWriteCapability(UINT Adapter, WINED3DDEVTYPE DeviceType, WI
     return FALSE;
 }
 
+/* Check if a format support blending in combination with pixel shaders */
+static BOOL CheckPostPixelShaderBlendingCapability(UINT Adapter, WINED3DFORMAT CheckFormat)
+{
+    const GlPixelFormatDesc *glDesc;
+    const StaticPixelFormatDesc *desc = getFormatDescEntry(CheckFormat, &GLINFO_LOCATION, &glDesc);
+
+    /* Fail if we weren't able to get a description of the format */
+    if(!desc || !glDesc)
+        return FALSE;
+
+    /* The flags entry of a format contains the post pixel shader blending capability */
+    if(glDesc->Flags & WINED3DFMT_FLAG_POSTPIXELSHADER_BLENDING)
+        return TRUE;
+
+    return FALSE;
+}
+
 /* Check if a texture format is supported on the given adapter */
 static BOOL CheckTextureCapability(UINT Adapter, WINED3DFORMAT CheckFormat)
 {
@@ -2342,6 +2359,16 @@ static HRESULT WINAPI IWineD3DImpl_CheckDeviceFormat(IWineD3D *iface, UINT Adapt
                     }
                 }
 
+                /* Check QUERY_POSTPIXELSHADER_BLENDING support */
+                if(Usage & WINED3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING) {
+                    if(CheckPostPixelShaderBlendingCapability(Adapter, CheckFormat)) {
+                        UsageCaps |= WINED3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING;
+                    } else {
+                        TRACE_(d3d_caps)("[FAILED] - No query post pixelshader blending support\n");
+                        return WINED3DERR_NOTAVAILABLE;
+                    }
+                }
+
                 /* Check QUERY_SRGBREAD support */
                 if(Usage & WINED3DUSAGE_QUERY_SRGBREAD) {
                     if(CheckSrgbReadCapability(Adapter, CheckFormat)) {
@@ -2464,6 +2491,16 @@ static HRESULT WINAPI IWineD3DImpl_CheckDeviceFormat(IWineD3D *iface, UINT Adapt
                 }
             }
 
+            /* Check QUERY_POSTPIXELSHADER_BLENDING support */
+            if(Usage & WINED3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING) {
+                if(CheckPostPixelShaderBlendingCapability(Adapter, CheckFormat)) {
+                    UsageCaps |= WINED3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING;
+                } else {
+                    TRACE_(d3d_caps)("[FAILED] - No query post pixelshader blending support\n");
+                    return WINED3DERR_NOTAVAILABLE;
+                }
+            }
+
             /* Check QUERY_SRGBREAD support */
             if(Usage & WINED3DUSAGE_QUERY_SRGBREAD) {
                 if(CheckSrgbReadCapability(Adapter, CheckFormat)) {
@@ -2535,6 +2572,16 @@ static HRESULT WINAPI IWineD3DImpl_CheckDeviceFormat(IWineD3D *iface, UINT Adapt
                 }
             }
 
+            /* Check QUERY_POSTPIXELSHADER_BLENDING support */
+            if(Usage & WINED3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING) {
+                if(CheckPostPixelShaderBlendingCapability(Adapter, CheckFormat)) {
+                    UsageCaps |= WINED3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING;
+                } else {
+                    TRACE_(d3d_caps)("[FAILED] - No query post pixelshader blending support\n");
+                    return WINED3DERR_NOTAVAILABLE;
+                }
+            }
+
             /* Check QUERY_SRGBREAD support */
             if(Usage & WINED3DUSAGE_QUERY_SRGBREAD) {
                 if(CheckSrgbReadCapability(Adapter, CheckFormat)) {