示例#1
0
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(WrappedProxyTest, reporter, ctxInfo) {
    GrProxyProvider* proxyProvider = ctxInfo.grContext()->priv().proxyProvider();
    GrContext* context = ctxInfo.grContext();
    GrResourceProvider* resourceProvider = context->priv().resourceProvider();
    GrGpu* gpu = context->priv().getGpu();
    const GrCaps& caps = *context->priv().caps();

    static const int kWidthHeight = 100;

    for (auto origin : { kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin }) {
        for (auto colorType : { kAlpha_8_SkColorType, kRGBA_8888_SkColorType,
                                kRGBA_1010102_SkColorType }) {
            // External on-screen render target.
            // Tests wrapBackendRenderTarget with a GrBackendRenderTarget
            // Our test-only function that creates a backend render target doesn't currently support
            // sample counts :(.
            if (ctxInfo.grContext()->colorTypeSupportedAsSurface(colorType)) {
                GrBackendRenderTarget backendRT = gpu->createTestingOnlyBackendRenderTarget(
                        kWidthHeight, kWidthHeight, SkColorTypeToGrColorType(colorType));
                sk_sp<GrSurfaceProxy> sProxy(
                        proxyProvider->wrapBackendRenderTarget(backendRT, origin, nullptr,
                                                               nullptr));
                check_surface(reporter, sProxy.get(), origin, kWidthHeight, kWidthHeight,
                              backendRT.pixelConfig(), SkBudgeted::kNo);
                static constexpr int kExpectedNumSamples = 1;
                check_rendertarget(reporter, caps, resourceProvider, sProxy->asRenderTargetProxy(),
                                   kExpectedNumSamples, SkBackingFit::kExact,
                                   caps.maxWindowRectangles());
                gpu->deleteTestingOnlyBackendRenderTarget(backendRT);
            }

            for (auto numSamples : {1, 4}) {
                GrPixelConfig config = SkColorType2GrPixelConfig(colorType);
                SkASSERT(kUnknown_GrPixelConfig != config);
                int supportedNumSamples = caps.getRenderTargetSampleCount(numSamples, config);

                if (!supportedNumSamples) {
                    continue;
                }

                // Test wrapping FBO 0 (with made up properties). This tests sample count and the
                // special case where FBO 0 doesn't support window rectangles.
                if (GrBackendApi::kOpenGL == ctxInfo.backend()) {
                    GrGLFramebufferInfo fboInfo;
                    fboInfo.fFBOID = 0;
                    fboInfo.fFormat = GR_GL_RGBA8;
                    static constexpr int kStencilBits = 8;
                    GrBackendRenderTarget backendRT(kWidthHeight, kWidthHeight, numSamples,
                                                    kStencilBits, fboInfo);
                    backendRT.setPixelConfig(config);
                    sk_sp<GrSurfaceProxy> sProxy(
                            proxyProvider->wrapBackendRenderTarget(backendRT, origin, nullptr,
                                                                   nullptr));
                    check_surface(reporter, sProxy.get(), origin,
                                  kWidthHeight, kWidthHeight,
                                  backendRT.pixelConfig(), SkBudgeted::kNo);
                    check_rendertarget(reporter, caps, resourceProvider,
                                       sProxy->asRenderTargetProxy(),
                                       supportedNumSamples, SkBackingFit::kExact, 0);
                }

                // Tests wrapBackendRenderTarget with a GrBackendTexture
                {
                    GrBackendTexture backendTex =
                            context->createBackendTexture(kWidthHeight, kWidthHeight,
                                                          colorType,
                                                          GrMipMapped::kNo,
                                                          GrRenderable::kYes);
                    sk_sp<GrSurfaceProxy> sProxy = proxyProvider->wrapBackendTextureAsRenderTarget(
                            backendTex, origin, supportedNumSamples);
                    if (!sProxy) {
                        context->deleteBackendTexture(backendTex);
                        continue;  // This can fail on Mesa
                    }

                    check_surface(reporter, sProxy.get(), origin,
                                  kWidthHeight, kWidthHeight,
                                  backendTex.pixelConfig(), SkBudgeted::kNo);
                    check_rendertarget(reporter, caps, resourceProvider,
                                       sProxy->asRenderTargetProxy(),
                                       supportedNumSamples, SkBackingFit::kExact,
                                       caps.maxWindowRectangles());

                    context->deleteBackendTexture(backendTex);
                }

                // Tests wrapBackendTexture that is only renderable
                {
                    GrBackendTexture backendTex =
                            context->createBackendTexture(kWidthHeight, kWidthHeight,
                                                          colorType,
                                                          GrMipMapped::kNo,
                                                          GrRenderable::kYes);

                    sk_sp<GrSurfaceProxy> sProxy = proxyProvider->wrapRenderableBackendTexture(
                            backendTex, origin, supportedNumSamples, kBorrow_GrWrapOwnership,
                            GrWrapCacheable::kNo, nullptr, nullptr);
                    if (!sProxy) {
                        context->deleteBackendTexture(backendTex);
                        continue;  // This can fail on Mesa
                    }

                    check_surface(reporter, sProxy.get(), origin,
                                  kWidthHeight, kWidthHeight,
                                  backendTex.pixelConfig(), SkBudgeted::kNo);
                    check_rendertarget(reporter, caps, resourceProvider,
                                       sProxy->asRenderTargetProxy(),
                                       supportedNumSamples, SkBackingFit::kExact,
                                       caps.maxWindowRectangles());

                    context->deleteBackendTexture(backendTex);
                }

                // Tests wrapBackendTexture that is only textureable
                {
                    // Internal offscreen texture
                    GrBackendTexture backendTex =
                            context->createBackendTexture(kWidthHeight, kWidthHeight,
                                                          colorType,
                                                          GrMipMapped::kNo,
                                                          GrRenderable::kNo);

                    sk_sp<GrSurfaceProxy> sProxy = proxyProvider->wrapBackendTexture(
                            backendTex, origin, kBorrow_GrWrapOwnership, GrWrapCacheable::kNo,
                            kRead_GrIOType);
                    if (!sProxy) {
                        context->deleteBackendTexture(backendTex);
                        continue;
                    }

                    check_surface(reporter, sProxy.get(), origin,
                                  kWidthHeight, kWidthHeight,
                                  backendTex.pixelConfig(), SkBudgeted::kNo);
                    check_texture(reporter, resourceProvider, sProxy->asTextureProxy(),
                                  SkBackingFit::kExact);

                    context->deleteBackendTexture(backendTex);
                }
            }
        }
    }
}