| /* |
| * 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" |
| #include "TestUtils.h" |
| #if SK_SUPPORT_GPU |
| #include "GrContext.h" |
| #include "GrContextFactory.h" |
| #include "GrContextPriv.h" |
| #include "GrRenderTargetContext.h" |
| #include "GrShaderCaps.h" |
| #include "GrSurfacePriv.h" |
| #include "GrTest.h" |
| #include "GrTexture.h" |
| #include "GrTextureContext.h" |
| #include "GrTextureProxyPriv.h" |
| #include "gl/GLTestContext.h" |
| #include "gl/GrGLGpu.h" |
| #include "gl/GrGLUtil.h" |
| |
| using sk_gpu_test::GLTestContext; |
| |
| static void cleanup(GLTestContext* glctx0, GrGLuint texID0, GLTestContext* glctx1, |
| sk_sp<GrContext> grctx1, GrBackendTexture* backendTex1, |
| GrEGLImage image1) { |
| if (glctx1) { |
| glctx1->makeCurrent(); |
| if (grctx1) { |
| if (backendTex1 && backendTex1->isValid()) { |
| GrGLGpu* gpu1 = static_cast<GrGLGpu*>(grctx1->contextPriv().getGpu()); |
| gpu1->deleteTestingOnlyBackendTexture(*backendTex1); |
| } |
| } |
| if (GR_EGL_NO_IMAGE != image1) { |
| glctx1->destroyEGLImage(image1); |
| } |
| } |
| |
| glctx0->makeCurrent(); |
| if (texID0) { |
| GR_GL_CALL(glctx0->gl(), DeleteTextures(1, &texID0)); |
| } |
| } |
| |
| DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(EGLImageTest, reporter, ctxInfo) { |
| GrContext* context0 = ctxInfo.grContext(); |
| sk_gpu_test::GLTestContext* glCtx0 = ctxInfo.glContext(); |
| |
| // Try to create a second GL context and then check if the contexts have necessary |
| // extensions to run this test. |
| |
| if (kGLES_GrGLStandard != glCtx0->gl()->fStandard) { |
| return; |
| } |
| GrGLGpu* gpu0 = static_cast<GrGLGpu*>(context0->contextPriv().getGpu()); |
| if (!gpu0->glCaps().shaderCaps()->externalTextureSupport()) { |
| return; |
| } |
| |
| std::unique_ptr<GLTestContext> glCtx1 = glCtx0->makeNew(); |
| if (!glCtx1) { |
| return; |
| } |
| sk_sp<GrContext> context1 = GrContext::MakeGL(sk_ref_sp(glCtx1->gl())); |
| GrBackendTexture backendTexture1; |
| GrEGLImage image = GR_EGL_NO_IMAGE; |
| GrGLTextureInfo externalTexture; |
| externalTexture.fID = 0; |
| |
| if (!context1) { |
| cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image); |
| return; |
| } |
| |
| if (!glCtx1->gl()->hasExtension("EGL_KHR_image") || |
| !glCtx1->gl()->hasExtension("EGL_KHR_gl_texture_2D_image")) { |
| cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image); |
| return; |
| } |
| |
| ///////////////////////////////// CONTEXT 1 /////////////////////////////////// |
| |
| // Use GL Context 1 to create a texture unknown to GrContext. |
| context1->flush(); |
| GrGpu* gpu1 = context1->contextPriv().getGpu(); |
| static const int kSize = 100; |
| backendTexture1 = |
| gpu1->createTestingOnlyBackendTexture(nullptr, kSize, kSize, kRGBA_8888_GrPixelConfig, |
| false, GrMipMapped::kNo); |
| |
| if (!backendTexture1.isValid() || !gpu1->isTestingOnlyBackendTexture(backendTexture1)) { |
| ERRORF(reporter, "Error creating texture for EGL Image"); |
| cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image); |
| return; |
| } |
| |
| GrGLTextureInfo texInfo; |
| if (!backendTexture1.getGLTextureInfo(&texInfo)) { |
| ERRORF(reporter, "Failed to get GrGLTextureInfo"); |
| return; |
| } |
| |
| if (GR_GL_TEXTURE_2D != texInfo.fTarget) { |
| ERRORF(reporter, "Expected backend texture to be 2D"); |
| cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image); |
| return; |
| } |
| |
| // Wrap the texture in an EGLImage |
| image = glCtx1->texture2DToEGLImage(texInfo.fID); |
| if (GR_EGL_NO_IMAGE == image) { |
| ERRORF(reporter, "Error creating EGL Image from texture"); |
| cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image); |
| return; |
| } |
| |
| // Since we are dealing with two different GL contexts here, we need to call finish so that the |
| // clearing of the texture that happens in createTextingOnlyBackendTexture occurs before we call |
| // TexSubImage below on the other context. Otherwise, it is possible the calls get reordered and |
| // the clearing overwrites the TexSubImage writes. |
| GR_GL_CALL(glCtx1->gl(), Finish()); |
| |
| // 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(texInfo.fTarget, texInfo.fID)); |
| GR_GL_CALL(glCtx1->gl(), TexSubImage2D(texInfo.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); |
| if (0 == externalTexture.fID) { |
| ERRORF(reporter, "Error converting EGL Image back to texture"); |
| cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image); |
| return; |
| } |
| |
| // Wrap this texture ID in a GrTexture |
| GrBackendTexture backendTex(kSize, kSize, kRGBA_8888_GrPixelConfig, externalTexture); |
| |
| // TODO: If I make this TopLeft origin to match resolve_origin calls for kDefault, this test |
| // fails on the Nexus5. Why? |
| sk_sp<GrTextureContext> surfaceContext = context0->contextPriv().makeBackendTextureContext( |
| backendTex, kBottomLeft_GrSurfaceOrigin, nullptr); |
| |
| if (!surfaceContext) { |
| ERRORF(reporter, "Error wrapping external texture in GrSurfaceContext."); |
| cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image); |
| return; |
| } |
| |
| GrTextureProxy* proxy = surfaceContext->asTextureProxy(); |
| REPORTER_ASSERT(reporter, proxy->texPriv().doesNotSupportMipMaps()); |
| REPORTER_ASSERT(reporter, proxy->priv().peekTexture()->surfacePriv().doesNotSupportMipMaps()); |
| |
| REPORTER_ASSERT(reporter, proxy->texPriv().isClampOnly()); |
| REPORTER_ASSERT(reporter, proxy->priv().peekTexture()->surfacePriv().isClampOnly()); |
| |
| // Should not be able to wrap as a RT |
| { |
| sk_sp<GrRenderTargetContext> temp = |
| context0->contextPriv().makeBackendTextureRenderTargetContext( |
| backendTex, kBottomLeft_GrSurfaceOrigin, 1, nullptr); |
| if (temp) { |
| ERRORF(reporter, "Should not be able to wrap an EXTERNAL texture as a RT."); |
| } |
| } |
| |
| test_read_pixels(reporter, surfaceContext.get(), pixels.get(), "EGLImageTest-read"); |
| |
| // We should not be able to write to a EXTERNAL texture |
| test_write_pixels(reporter, surfaceContext.get(), false, "EGLImageTest-write"); |
| |
| // Only test RT-config |
| // TODO: why do we always need to draw to copy from an external texture? |
| test_copy_from_surface(reporter, context0, surfaceContext->asSurfaceProxy(), |
| pixels.get(), true, "EGLImageTest-copy"); |
| |
| cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image); |
| } |
| |
| #endif |