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-rw-r--r--gfx/skia/skia/include/gpu/GrTexture.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/gfx/skia/skia/include/gpu/GrTexture.h b/gfx/skia/skia/include/gpu/GrTexture.h
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+++ b/gfx/skia/skia/include/gpu/GrTexture.h
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+
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrTexture_DEFINED
+#define GrTexture_DEFINED
+
+#include "GrSurface.h"
+#include "SkPoint.h"
+#include "SkRefCnt.h"
+
+class GrTextureParams;
+class GrTexturePriv;
+
+class GrTexture : virtual public GrSurface {
+public:
+ GrTexture* asTexture() override { return this; }
+ const GrTexture* asTexture() const override { return this; }
+ GrSLType samplerType() const { return fSamplerType; }
+
+ /**
+ * Return the native ID or handle to the texture, depending on the
+ * platform. e.g. on OpenGL, return the texture ID.
+ */
+ virtual GrBackendObject getTextureHandle() const = 0;
+
+ /**
+ * This function indicates that the texture parameters (wrap mode, filtering, ...) have been
+ * changed externally to Skia.
+ */
+ virtual void textureParamsModified() = 0;
+
+#ifdef SK_DEBUG
+ void validate() const {
+ this->INHERITED::validate();
+ this->validateDesc();
+ }
+#endif
+
+ /** Access methods that are only to be used within Skia code. */
+ inline GrTexturePriv texturePriv();
+ inline const GrTexturePriv texturePriv() const;
+
+protected:
+ GrTexture(GrGpu*, const GrSurfaceDesc&, GrSLType, bool wasMipMapDataProvided);
+
+ void validateDesc() const;
+
+private:
+ void computeScratchKey(GrScratchKey*) const override;
+ size_t onGpuMemorySize() const override;
+ void dirtyMipMaps(bool mipMapsDirty);
+
+ enum MipMapsStatus {
+ kNotAllocated_MipMapsStatus,
+ kAllocated_MipMapsStatus,
+ kValid_MipMapsStatus
+ };
+
+ GrSLType fSamplerType;
+ MipMapsStatus fMipMapsStatus;
+ int fMaxMipMapLevel;
+ SkSourceGammaTreatment fGammaTreatment;
+
+ friend class GrTexturePriv;
+
+ typedef GrSurface INHERITED;
+};
+
+#endif