Revert of Initial version of external_oes texture support and unit test

tests/EGLImageTest.cpp

-/*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "Test.h"
-#if SK_SUPPORT_GPU
-#include "GrContext.h"
-#include "GrContextFactory.h"
-#include "gl/GrGLGpu.h"
-#include "gl/GrGLUtil.h"
-#include "gl/SkGLContext.h"
-
-static void cleanup(SkGLContext* glctx0, GrGLuint texID0, SkGLContext* glctx1, GrContext* grctx1,
-                    const GrGLTextureInfo* grbackendtex1, GrEGLImage image1) {
-    if (glctx1) {
-        glctx1->makeCurrent();
-        if (grctx1) {
-            if (grbackendtex1) {
-                GrGLGpu* gpu1 = static_cast<GrGLGpu*>(grctx1->getGpu());
-                GrBackendObject handle = reinterpret_cast<GrBackendObject>(grbackendtex1);
-                gpu1->deleteTestingOnlyBackendTexture(handle, false);
-            }
-            grctx1->unref();
-        }
-        if (GR_EGL_NO_IMAGE != image1) {
-            glctx1->destroyEGLImage(image1);
-        }
-        glctx1->unref();
-    }
-
-    glctx0->makeCurrent();
-    if (texID0) {
-        GR_GL_CALL(glctx0->gl(), DeleteTextures(1, &texID0));
-    }
-}
-
-DEF_GPUTEST(EGLImageTest, reporter, factory) {
-    for (int glCtxType = 0; glCtxType < GrContextFactory::kGLContextTypeCnt; ++glCtxType) {
-        GrContextFactory::GLContextType type = (GrContextFactory::GLContextType)glCtxType;
-        if (!GrContextFactory::IsRenderingGLContext(type)) {
-            continue;
-        }
-        
-        // Try to create a second GL context and then check if the contexts have necessary
-        // extensions to run this test.
-
-        GrContext* context0 = factory->get(type);
-        if (!context0) {
-            continue;
-        }
-        SkGLContext* glCtx0 = factory->getGLContext(type);
-        SkGLContext* glCtx1 = glCtx0->createNew();
-        if (!glCtx1) {
-            continue;
-        }
-        GrContext* context1 = GrContext::Create(kOpenGL_GrBackend, (GrBackendContext)glCtx1->gl());
-        const GrGLTextureInfo* backendTexture1 = nullptr;
-        GrEGLImage image = GR_EGL_NO_IMAGE;
-        GrGLTextureInfo externalTexture;
-        externalTexture.fID = 0;
-
-        if (!context1) {
-            cleanup(glCtx0, externalTexture.fID, glCtx1, context1, backendTexture1, image);
-            continue;
-        }
-
-        SkASSERT(glCtx0);
-        if (!glCtx0->gl()->hasExtension("EGL_KHR_image") ||
-            !glCtx0->gl()->hasExtension("GL_OES_EGL_image_external") ||
-            !glCtx1->gl()->hasExtension("EGL_KHR_image") ||
-            !glCtx1->gl()->hasExtension("EGL_KHR_gl_texture_2D_image")) {
-            cleanup(glCtx0, externalTexture.fID, glCtx1, context1, backendTexture1, image);
-            continue;
-        }
-
-///////////////////////////////// CONTEXT 1 ///////////////////////////////////
-
-        // Use GL Context 1 to create a texture unknown to GrContext.
-        context1->flush();
-        GrGpu* gpu1 = context1->getGpu();
-        static const int kSize = 100;
-        backendTexture1 = reinterpret_cast<const GrGLTextureInfo*>(
-            gpu1->createTestingOnlyBackendTexture(nullptr, kSize, kSize, kRGBA_8888_GrPixelConfig));
-        if (!backendTexture1 || !backendTexture1->fID) {
-            ERRORF(reporter, "Error creating texture for EGL Image");
-            cleanup(glCtx0, externalTexture.fID, glCtx1, context1, backendTexture1, image);
-            continue;
-        }
-        if (GR_GL_TEXTURE_2D != backendTexture1->fTarget) {
-            ERRORF(reporter, "Expected backend texture to be 2D");
-            cleanup(glCtx0, externalTexture.fID, glCtx1, context1, backendTexture1, image);
-            continue;
-        }
-
-        // Wrap the texture in an EGLImage
-        image = glCtx1->texture2DToEGLImage(backendTexture1->fID);
-        if (GR_EGL_NO_IMAGE == image) {
-            ERRORF(reporter, "Error creating EGL Image from texture");
-            cleanup(glCtx0, externalTexture.fID, glCtx1, context1, backendTexture1, image);
-            continue;
-        }
-
-        // Populate the texture using GL context 1. Important to use TexSubImage as TexImage orphans
-        // the EGL image. Also, this must be done after creating the EGLImage as the texture
-        // contents may not be preserved when the image is created.
-        SkAutoTMalloc<uint32_t> pixels(kSize * kSize);
-        for (int i = 0; i < kSize*kSize; ++i) {
-            pixels.get()[i] = 0xDDAABBCC;
-        }
-        GR_GL_CALL(glCtx1->gl(), ActiveTexture(GR_GL_TEXTURE0));
-        GR_GL_CALL(glCtx1->gl(), BindTexture(backendTexture1->fTarget, backendTexture1->fID));
-        GR_GL_CALL(glCtx1->gl(), TexSubImage2D(backendTexture1->fTarget, 0, 0, 0, kSize, kSize,
-                                               GR_GL_RGBA, GR_GL_UNSIGNED_BYTE, pixels.get()));
-        GR_GL_CALL(glCtx1->gl(), Finish());
-        // We've been making direct GL calls in GL context 1, let GrContext 1 know its internal
-        // state is invalid.
-        context1->resetContext();        
-
-///////////////////////////////// CONTEXT 0 ///////////////////////////////////
-
-        // Make a new texture ID in GL Context 0 from the EGL Image
-        glCtx0->makeCurrent();
-        externalTexture.fTarget = GR_GL_TEXTURE_EXTERNAL;
-        externalTexture.fID = glCtx0->eglImageToExternalTexture(image);
-
-        // Wrap this texture ID in a GrTexture
-        GrBackendTextureDesc externalDesc;
-        externalDesc.fConfig = kRGBA_8888_GrPixelConfig;
-        externalDesc.fWidth = kSize;
-        externalDesc.fHeight = kSize;
-        externalDesc.fTextureHandle = reinterpret_cast<GrBackendObject>(&externalTexture);
-        SkAutoTUnref<GrTexture> externalTextureObj(
-            context0->textureProvider()->wrapBackendTexture(externalDesc));
-        if (!externalTextureObj) {
-            ERRORF(reporter, "Error wrapping external texture in GrTexture.");
-            cleanup(glCtx0, externalTexture.fID, glCtx1, context1, backendTexture1, image);
-            continue;
-        }
-
-        // Read the pixels and see if we get the values set in GL context 1
-        memset(pixels.get(), 0, sizeof(uint32_t)*kSize*kSize);
-        bool read = externalTextureObj->readPixels(0, 0, kSize, kSize, kRGBA_8888_GrPixelConfig,
-                                                   pixels.get());
-        if (!read) {
-            ERRORF(reporter, "Error reading external texture.");
-            cleanup(glCtx0, externalTexture.fID, glCtx1, context1, backendTexture1, image);
-            continue;
-        }
-        for (int i = 0; i < kSize*kSize; ++i) {
-            if (pixels.get()[i] != 0xDDAABBCC) {
-                ERRORF(reporter, "Error, external texture pixel value %d should be 0xDDAABBCC,"
-                                 " got 0x%08x.", pixels.get()[i]);
-                break;
-            }
-        }
-        cleanup(glCtx0, externalTexture.fID, glCtx1, context1, backendTexture1, image);
-    }
-}
-
-#endif