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201 lines
7.9 KiB
201 lines
7.9 KiB
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Test.h"
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#include "TestUtils.h"
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#include "GrContext.h"
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#include "GrContextFactory.h"
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#include "GrContextPriv.h"
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#include "GrRenderTargetContext.h"
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#include "GrShaderCaps.h"
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#include "GrSurfacePriv.h"
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#include "GrTexture.h"
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#include "GrTextureContext.h"
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#include "GrTexturePriv.h"
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#include "GrTextureProxyPriv.h"
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#include "gl/GLTestContext.h"
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#include "gl/GrGLGpu.h"
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#include "gl/GrGLUtil.h"
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using sk_gpu_test::GLTestContext;
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static void cleanup(GLTestContext* glctx0, GrGLuint texID0, GLTestContext* glctx1,
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sk_sp<GrContext> grctx1, GrBackendTexture* backendTex1,
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GrEGLImage image1) {
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if (glctx1) {
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glctx1->makeCurrent();
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if (grctx1) {
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if (backendTex1 && backendTex1->isValid()) {
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GrGLGpu* gpu1 = static_cast<GrGLGpu*>(grctx1->contextPriv().getGpu());
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gpu1->deleteTestingOnlyBackendTexture(*backendTex1);
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}
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}
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if (GR_EGL_NO_IMAGE != image1) {
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glctx1->destroyEGLImage(image1);
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}
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}
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glctx0->makeCurrent();
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if (texID0) {
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GR_GL_CALL(glctx0->gl(), DeleteTextures(1, &texID0));
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}
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}
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DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(EGLImageTest, reporter, ctxInfo) {
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GrContext* context0 = ctxInfo.grContext();
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sk_gpu_test::GLTestContext* glCtx0 = ctxInfo.glContext();
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// Try to create a second GL context and then check if the contexts have necessary
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// extensions to run this test.
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if (kGLES_GrGLStandard != glCtx0->gl()->fStandard) {
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return;
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}
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GrGLGpu* gpu0 = static_cast<GrGLGpu*>(context0->contextPriv().getGpu());
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if (!gpu0->glCaps().shaderCaps()->externalTextureSupport()) {
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return;
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}
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std::unique_ptr<GLTestContext> glCtx1 = glCtx0->makeNew();
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if (!glCtx1) {
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return;
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}
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sk_sp<GrContext> context1 = GrContext::MakeGL(sk_ref_sp(glCtx1->gl()));
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GrBackendTexture backendTexture1;
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GrEGLImage image = GR_EGL_NO_IMAGE;
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GrGLTextureInfo externalTexture;
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externalTexture.fID = 0;
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if (!context1) {
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cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
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return;
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}
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if (!glCtx1->gl()->hasExtension("EGL_KHR_image") ||
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!glCtx1->gl()->hasExtension("EGL_KHR_gl_texture_2D_image")) {
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cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
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return;
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}
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///////////////////////////////// CONTEXT 1 ///////////////////////////////////
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// Use GL Context 1 to create a texture unknown to GrContext.
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context1->flush();
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GrGpu* gpu1 = context1->contextPriv().getGpu();
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static const int kSize = 100;
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backendTexture1 =
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gpu1->createTestingOnlyBackendTexture(nullptr, kSize, kSize, GrColorType::kRGBA_8888,
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false, GrMipMapped::kNo);
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if (!backendTexture1.isValid() || !gpu1->isTestingOnlyBackendTexture(backendTexture1)) {
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ERRORF(reporter, "Error creating texture for EGL Image");
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cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
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return;
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}
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GrGLTextureInfo texInfo;
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if (!backendTexture1.getGLTextureInfo(&texInfo)) {
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ERRORF(reporter, "Failed to get GrGLTextureInfo");
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return;
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}
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if (GR_GL_TEXTURE_2D != texInfo.fTarget) {
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ERRORF(reporter, "Expected backend texture to be 2D");
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cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
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return;
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}
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// Wrap the texture in an EGLImage
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image = glCtx1->texture2DToEGLImage(texInfo.fID);
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if (GR_EGL_NO_IMAGE == image) {
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ERRORF(reporter, "Error creating EGL Image from texture");
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cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
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return;
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}
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// Since we are dealing with two different GL contexts here, we need to call finish so that the
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// clearing of the texture that happens in createTextingOnlyBackendTexture occurs before we call
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// TexSubImage below on the other context. Otherwise, it is possible the calls get reordered and
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// the clearing overwrites the TexSubImage writes.
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GR_GL_CALL(glCtx1->gl(), Finish());
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// Populate the texture using GL context 1. Important to use TexSubImage as TexImage orphans
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// the EGL image. Also, this must be done after creating the EGLImage as the texture
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// contents may not be preserved when the image is created.
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SkAutoTMalloc<uint32_t> pixels(kSize * kSize);
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for (int i = 0; i < kSize*kSize; ++i) {
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pixels.get()[i] = 0xDDAABBCC;
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}
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GR_GL_CALL(glCtx1->gl(), ActiveTexture(GR_GL_TEXTURE0));
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GR_GL_CALL(glCtx1->gl(), BindTexture(texInfo.fTarget, texInfo.fID));
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GR_GL_CALL(glCtx1->gl(), TexSubImage2D(texInfo.fTarget, 0, 0, 0, kSize, kSize,
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GR_GL_RGBA, GR_GL_UNSIGNED_BYTE, pixels.get()));
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GR_GL_CALL(glCtx1->gl(), Finish());
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// We've been making direct GL calls in GL context 1, let GrContext 1 know its internal
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// state is invalid.
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context1->resetContext();
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///////////////////////////////// CONTEXT 0 ///////////////////////////////////
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// Make a new texture ID in GL Context 0 from the EGL Image
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glCtx0->makeCurrent();
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externalTexture.fTarget = GR_GL_TEXTURE_EXTERNAL;
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externalTexture.fID = glCtx0->eglImageToExternalTexture(image);
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if (0 == externalTexture.fID) {
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ERRORF(reporter, "Error converting EGL Image back to texture");
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cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
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return;
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}
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// Wrap this texture ID in a GrTexture
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GrBackendTexture backendTex(kSize, kSize, GrMipMapped::kNo, externalTexture);
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backendTex.setPixelConfig(kRGBA_8888_GrPixelConfig);
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// TODO: If I make this TopLeft origin to match resolve_origin calls for kDefault, this test
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// fails on the Nexus5. Why?
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sk_sp<GrTextureContext> surfaceContext = context0->contextPriv().makeBackendTextureContext(
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backendTex, kBottomLeft_GrSurfaceOrigin, nullptr);
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if (!surfaceContext) {
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ERRORF(reporter, "Error wrapping external texture in GrSurfaceContext.");
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cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
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return;
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}
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GrTextureProxy* proxy = surfaceContext->asTextureProxy();
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REPORTER_ASSERT(reporter, proxy->mipMapped() == GrMipMapped::kNo);
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REPORTER_ASSERT(reporter, proxy->peekTexture()->texturePriv().mipMapped() == GrMipMapped::kNo);
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REPORTER_ASSERT(reporter, proxy->textureType() == GrTextureType::kExternal);
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REPORTER_ASSERT(reporter,
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proxy->peekTexture()->texturePriv().textureType() == GrTextureType::kExternal);
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REPORTER_ASSERT(reporter, proxy->hasRestrictedSampling());
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REPORTER_ASSERT(reporter, proxy->peekTexture()->texturePriv().hasRestrictedSampling());
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// Should not be able to wrap as a RT
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{
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sk_sp<GrRenderTargetContext> temp =
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context0->contextPriv().makeBackendTextureRenderTargetContext(
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backendTex, kBottomLeft_GrSurfaceOrigin, 1, nullptr);
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if (temp) {
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ERRORF(reporter, "Should not be able to wrap an EXTERNAL texture as a RT.");
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}
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}
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test_read_pixels(reporter, surfaceContext.get(), pixels.get(), "EGLImageTest-read");
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// We should not be able to write to a EXTERNAL texture
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test_write_pixels(reporter, surfaceContext.get(), false, "EGLImageTest-write");
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// Only test RT-config
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// TODO: why do we always need to draw to copy from an external texture?
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test_copy_from_surface(reporter, context0, surfaceContext->asSurfaceProxy(),
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pixels.get(), true, "EGLImageTest-copy");
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cleanup(glCtx0, externalTexture.fID, glCtx1.get(), context1, &backendTexture1, image);
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}
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