From d4b63bbd87a221c725aff56b300224e55aa1f0a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20D=C3=B6singer?= <stefan@codeweavers.com>
Date: Wed, 10 Jan 2007 11:28:42 +0100
Subject: [PATCH] wined3d: Store the scissor rect in the stateblock.

---
 dlls/wined3d/device.c          | 19 ++++++++++---------
 dlls/wined3d/stateblock.c      | 14 ++++++++++++++
 dlls/wined3d/wined3d_private.h |  4 ++++
 3 files changed, 28 insertions(+), 9 deletions(-)

diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 3300cddfebe..7b81f0e42fb 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -3180,6 +3180,15 @@ static HRESULT WINAPI IWineD3DDeviceImpl_SetScissorRect(IWineD3DDevice *iface, C
     RECT windowRect;
     UINT winHeight;
 
+    This->updateStateBlock->set.scissorRect = TRUE;
+    This->updateStateBlock->changed.scissorRect = TRUE;
+    memcpy(&This->updateStateBlock->scissorRect, pRect, sizeof(*pRect));
+
+    if(This->isRecordingState) {
+        TRACE("Recording... not performing anything\n");
+        return WINED3D_OK;
+    }
+
     GetClientRect(((IWineD3DSwapChainImpl *)This->swapchains[0])->win_handle, &windowRect);
     /* Warning: glScissor uses window coordinates, not viewport coordinates, so our viewport correction does not apply
     * Warning2: Even in windowed mode the coords are relative to the window, not the screen
@@ -3197,17 +3206,9 @@ static HRESULT WINAPI IWineD3DDeviceImpl_SetScissorRect(IWineD3DDevice *iface, C
 
 static HRESULT WINAPI IWineD3DDeviceImpl_GetScissorRect(IWineD3DDevice *iface, RECT* pRect) {
     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
-    GLint scissorBox[4];
 
-    ENTER_GL();
-    /** FIXME: Windows uses a top,left origin openGL uses a bottom Right? **/
-    glGetIntegerv(GL_SCISSOR_BOX, scissorBox);
-    pRect->left = scissorBox[0];
-    pRect->top = scissorBox[1];
-    pRect->right = scissorBox[0] + scissorBox[2];
-    pRect->bottom = scissorBox[1] + scissorBox[3];
+    memcpy(pRect, &This->updateStateBlock->scissorRect, sizeof(pRect));
     TRACE("(%p)Returning a Scissor Rect of %d:%d-%d:%d\n", This, pRect->left, pRect->top, pRect->right, pRect->bottom);
-    LEAVE_GL();
     return WINED3D_OK;
 }
 
diff --git a/dlls/wined3d/stateblock.c b/dlls/wined3d/stateblock.c
index dba9e8a0704..093c83d8714 100644
--- a/dlls/wined3d/stateblock.c
+++ b/dlls/wined3d/stateblock.c
@@ -78,6 +78,7 @@ void stateblock_savedstates_copy(
     dest->vertexDecl = source->vertexDecl;
     dest->pixelShader = source->pixelShader;
     dest->vertexShader = source->vertexShader;
+    dest->scissorRect = dest->scissorRect;
 
     /* Fixed size arrays */
     memcpy(dest->streamSource, source->streamSource, bsize * MAX_STREAMS);
@@ -115,6 +116,7 @@ void stateblock_savedstates_set(
     states->vertexDecl = value;
     states->pixelShader = value;
     states->vertexShader = value;
+    states->scissorRect = value;
 
     /* Fixed size arrays */
     memset(states->streamSource, value, bsize * MAX_STREAMS);
@@ -168,6 +170,7 @@ void stateblock_copy(
     Dest->material = This->material;
     Dest->pixelShader = This->pixelShader;
     Dest->glsl_program = This->glsl_program;
+    memcpy(&Dest->scissorRect, &This->scissorRect, sizeof(Dest->scissorRect));
 
     /* Fixed size arrays */
     memcpy(Dest->vertexShaderConstantB, This->vertexShaderConstantB, sizeof(BOOL) * MAX_CONST_B);
@@ -484,6 +487,14 @@ static HRESULT  WINAPI IWineD3DStateBlockImpl_Capture(IWineD3DStateBlock *iface)
             memcpy(&This->viewport, &targetStateBlock->viewport, sizeof(WINED3DVIEWPORT));
         }
 
+        if(This->set.scissorRect && memcmp(&targetStateBlock->scissorRect,
+                                           &This->scissorRect,
+                                           sizeof(targetStateBlock->scissorRect)))
+        {
+            TRACE("Updating scissor rect\n");
+            memcpy(&targetStateBlock->scissorRect, &This->scissorRect, sizeof(targetStateBlock->scissorRect));
+        }
+
         for (i = 0; i < MAX_STREAMS; i++) {
             if (This->set.streamSource[i] &&
                             ((This->streamStride[i] != targetStateBlock->streamStride[i]) ||
@@ -656,6 +667,9 @@ should really perform a delta so that only the changes get updated*/
         if (This->set.viewport && This->changed.viewport)
             IWineD3DDevice_SetViewport(pDevice, &This->viewport);
 
+        if (This->set.scissorRect && This->changed.scissorRect)
+            IWineD3DDevice_SetScissorRect(pDevice, &This->scissorRect);
+
         /* TODO: Proper implementation using SetStreamSource offset (set to 0 for the moment)\n") */
         for (i=0; i<MAX_STREAMS; i++) {
             if (This->set.streamSource[i] && This->changed.streamSource[i])
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 323fa38e6d4..0166637c7a6 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -1155,6 +1155,7 @@ typedef struct SAVEDSTATES {
         BOOL                      vertexShaderConstantsB[MAX_CONST_B];
         BOOL                      vertexShaderConstantsI[MAX_CONST_I];
         BOOL                     *vertexShaderConstantsF;
+        BOOL                      scissorRect;
 } SAVEDSTATES;
 
 typedef struct {
@@ -1243,6 +1244,9 @@ struct IWineD3DStateBlockImpl
 
     /* Current GLSL Shader Program */
     struct glsl_shader_prog_link *glsl_program;
+
+    /* Scissor test rectangle */
+    RECT                      scissorRect;
 };
 
 extern void stateblock_savedstates_set(