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Unified Diff: tools/gpu/gl/GLContext.h

Issue 1849463002: rename sk_gpu_test::GLContext to sk_gpu_test::GLTestContext (Closed) Base URL: https://chromium.googlesource.com/skia.git@move
Patch Set: readd gpu.gypi Created 4 years, 9 months ago
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Index: tools/gpu/gl/GLContext.h
diff --git a/tools/gpu/gl/GLContext.h b/tools/gpu/gl/GLContext.h
deleted file mode 100644
index 3f47613722330a607c26ab6f129336499d604fd4..0000000000000000000000000000000000000000
--- a/tools/gpu/gl/GLContext.h
+++ /dev/null
@@ -1,141 +0,0 @@
-
-/*
- * Copyright 2013 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-#ifndef GLContext_DEFINED
-#define GLContext_DEFINED
-
-#include "gl/GrGLInterface.h"
-#include "../private/SkGpuFenceSync.h"
-
-
-namespace sk_gpu_test {
-/**
- * Create an offscreen Oppengl context. Provides a GrGLInterface struct of function pointers for
- * the context. This class is intended for Skia's internal testing needs and not for general use.
- */
-class GLContext : public SkNoncopyable {
-public:
- virtual ~GLContext();
-
- bool isValid() const { return NULL != gl(); }
-
- const GrGLInterface *gl() const { return fGL.get(); }
-
- bool fenceSyncSupport() const { return fFenceSync != nullptr; }
-
- bool getMaxGpuFrameLag(int *maxFrameLag) const {
- if (!fFenceSync) {
- return false;
- }
- *maxFrameLag = kMaxFrameLag;
- return true;
- }
-
- void makeCurrent() const;
-
- /** Used for testing EGLImage integration. Take a GL_TEXTURE_2D and wraps it in an EGL Image */
- virtual GrEGLImage texture2DToEGLImage(GrGLuint /*texID*/) const { return 0; }
-
- virtual void destroyEGLImage(GrEGLImage) const { }
-
- /** Used for testing GL_TEXTURE_RECTANGLE integration. */
- GrGLint createTextureRectangle(int width, int height, GrGLenum internalFormat,
- GrGLenum externalFormat, GrGLenum externalType,
- GrGLvoid *data);
-
- /**
- * Used for testing EGLImage integration. Takes a EGLImage and wraps it in a
- * GL_TEXTURE_EXTERNAL_OES.
- */
- virtual GrGLuint eglImageToExternalTexture(GrEGLImage) const { return 0; }
-
- void swapBuffers();
-
- /**
- * The only purpose of this function it to provide a means of scheduling
- * work on the GPU (since all of the subclasses create primary buffers for
- * testing that are small and not meant to be rendered to the screen).
- *
- * If the platform supports fence sync (OpenGL 3.2+ or EGL_KHR_fence_sync),
- * this will not swap any buffers, but rather emulate triple buffer
- * synchronization using fences.
- *
- * Otherwise it will call the platform SwapBuffers method. This may or may
- * not perform some sort of synchronization, depending on whether the
- * drawing surface provided by the platform is double buffered.
- */
- void waitOnSyncOrSwap();
-
- /**
- * This notifies the context that we are deliberately testing abandoning
- * the context. It is useful for debugging contexts that would otherwise
- * test that GPU resources are properly deleted. It also allows a debugging
- * context to test that further GL calls are not made by Skia GPU code.
- */
- void testAbandon();
-
- /**
- * Creates a new GL context of the same type and makes the returned context current
- * (if not null).
- */
- virtual GLContext *createNew() const { return nullptr; }
-
- class GLFenceSync; // SkGpuFenceSync implementation that uses the OpenGL functionality.
-
- /*
- * returns the fencesync object owned by this GLContext
- */
- SkGpuFenceSync *fenceSync() { return fFenceSync.get(); }
-
-protected:
- GLContext();
-
- /*
- * Methods that sublcasses must call from their constructors and destructors.
- */
- void init(const GrGLInterface *, SkGpuFenceSync * = NULL);
-
- void teardown();
-
- /*
- * Operations that have a platform-dependent implementation.
- */
- virtual void onPlatformMakeCurrent() const = 0;
-
- virtual void onPlatformSwapBuffers() const = 0;
-
- virtual GrGLFuncPtr onPlatformGetProcAddress(const char *) const = 0;
-
-private:
- enum {
- kMaxFrameLag = 3
- };
-
- SkAutoTDelete <SkGpuFenceSync> fFenceSync;
- SkPlatformGpuFence fFrameFences[kMaxFrameLag - 1];
- int fCurrentFenceIdx;
-
- /** Subclass provides the gl interface object if construction was
- * successful. */
- SkAutoTUnref<const GrGLInterface> fGL;
-
- friend class GLFenceSync; // For onPlatformGetProcAddress.
-};
-
-
-/** Creates platform-dependent GL context object. The shareContext parameter is in an optional
- * context with which to share display lists. This should be a pointer to an GLContext created
- * with SkCreatePlatformGLContext. NULL indicates that no sharing is to take place. Returns a valid
- * gl context object or NULL if such can not be created.
- * Note: If Skia embedder needs a custom GL context that sets up the GL interface, this function
- * should be implemented by the embedder. Otherwise, the default implementation for the platform
- * should be compiled in the library.
- */
-GLContext* CreatePlatformGLContext(GrGLStandard forcedGpuAPI, GLContext *shareContext = nullptr);
-
-} // namespace sk_gpu_test
-#endif
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