Stefan Dösinger : d3d9: Nvidia drivers don' t like unused output formats.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 218b9cec6fc0f7c3e417d82f62608ffcf3bbf37a
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=218b9cec6fc0f7c3e417d82f62608ffcf3bbf37a

Author: Stefan Dösinger <stefan at codeweavers.com>
Date:   Sat Jul  3 11:54:42 2010 +0200

d3d9: Nvidia drivers don't like unused output formats.

Newer nvidia drivers return garbage when using a COUNTx where x is bigger
than the amount of coordinates the texture can consume. So stick to COUNT3 for
volume textures. The tests don't need COUNT4 anyway.

---

 dlls/d3d9/tests/visual.c |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/dlls/d3d9/tests/visual.c b/dlls/d3d9/tests/visual.c
index 1da7cca..b3d1103 100644
--- a/dlls/d3d9/tests/visual.c
+++ b/dlls/d3d9/tests/visual.c
@@ -3937,10 +3937,10 @@ static void texture_transform_flags_test(IDirect3DDevice9 *device)
         hr = IDirect3DDevice9_DrawPrimitiveUP(device, D3DPT_TRIANGLESTRIP, 2, quad2, 6 * sizeof(float));
         ok(hr == D3D_OK, "DrawPrimitiveUP failed (%08x)\n", hr);
 
-        /* default values? Set up the identity matrix, pass in 2 vertex coords, and enable 4 */
+        /* default values? Set up the identity matrix, pass in 2 vertex coords, and enable 3 */
         hr = IDirect3DDevice9_SetTransform(device, D3DTS_TEXTURE0, (D3DMATRIX *) identity);
         ok(hr == D3D_OK, "IDirect3DDevice9_SetTransform failed with %08x\n", hr);
-        IDirect3DDevice9_SetTextureStageState(device, 0, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_COUNT4);
+        IDirect3DDevice9_SetTextureStageState(device, 0, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_COUNT3);
         ok(hr == D3D_OK, "IDirect3DDevice9_SetTextureStageState failed (%08x)\n", hr);
         hr = IDirect3DDevice9_SetFVF(device, D3DFVF_XYZ | D3DFVF_TEX1);
         ok(hr == D3D_OK, "IDirect3DDevice9_SetFVF failed with %08x\n", hr);
@@ -4013,10 +4013,14 @@ static void texture_transform_flags_test(IDirect3DDevice9 *device)
         ok(hr == D3D_OK, "IDirect3DDevice9_SetVertexDeclaration failed with %08x\n", hr);
 
         /* Default values? 4 coords used, 3 passed. What happens to the 4th?
+         * Use COUNT3 because newer Nvidia drivers return black when there are more (output) coords
+         * than being used by the texture(volume tex -> 3). Again, as shown in earlier test the COUNTx
+         * affects the post-transformation output, so COUNT3 plus the matrix above is OK for testing the
+         * 4th *input* coordinate.
          */
         hr = IDirect3DDevice9_SetTransform(device, D3DTS_TEXTURE0, (D3DMATRIX *) mat);
         ok(hr == D3D_OK, "IDirect3DDevice9_SetTransform failed with %08x\n", hr);
-        IDirect3DDevice9_SetTextureStageState(device, 0, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_COUNT4);
+        IDirect3DDevice9_SetTextureStageState(device, 0, D3DTSS_TEXTURETRANSFORMFLAGS, D3DTTFF_COUNT3);
         ok(hr == D3D_OK, "IDirect3DDevice9_SetTextureStageState failed (%08x)\n", hr);
         hr = IDirect3DDevice9_DrawPrimitiveUP(device, D3DPT_TRIANGLESTRIP, 2, quad1, 6 * sizeof(float));
         ok(hr == D3D_OK, "DrawPrimitiveUP failed (%08x)\n", hr);