rhi: Enable sampler address mode W in the API

Internally this is already supported by all backends. The frontend was just
not exposing addressW, instead defaulting to the (arbitrarily chosen) ClampToEdge.

Add the parameter to newSampler(), but make it optional, defaulting to the more
natural Repeat (because that's what one would get with OpenGL for WRAP_R by default)

Change-Id: I0b991d8b649db37d4da86ac8e98ab7845601cf67
Reviewed-by: Christian Strømme <christian.stromme@qt.io>

1 files changed, 5 insertions, 2 deletions

diff --git a/src/gui/rhi/qrhi_p_p.h b/src/gui/rhi/qrhi_p_p.h
index baffe28202..4a4c044a29 100644
--- a/src/gui/rhi/qrhi_p_p.h
+++ b/src/gui/rhi/qrhi_p_p.h
@@ -85,9 +85,12 @@ public:
                                        const QSize &pixelSize,
                                        int sampleCount,
                                        QRhiTexture::Flags flags) = 0;
-    virtual QRhiSampler *createSampler(QRhiSampler::Filter magFilter, QRhiSampler::Filter minFilter,
+    virtual QRhiSampler *createSampler(QRhiSampler::Filter magFilter,
+                                       QRhiSampler::Filter minFilter,
                                        QRhiSampler::Filter mipmapMode,
-                                       QRhiSampler:: AddressMode u, QRhiSampler::AddressMode v) = 0;
+                                       QRhiSampler:: AddressMode u,
+                                       QRhiSampler::AddressMode v,
+                                       QRhiSampler::AddressMode w) = 0;
 
     virtual QRhiTextureRenderTarget *createTextureRenderTarget(const QRhiTextureRenderTargetDescription &desc,
                                                                QRhiTextureRenderTarget::Flags flags) = 0;