diff options
| -rw-r--r-- | src/gui/rhi/qrhigles2.cpp | 5 | ||||
| -rw-r--r-- | src/gui/rhi/qrhinull.cpp | 116 | ||||
| -rw-r--r-- | src/gui/rhi/qrhinull_p_p.h | 5 | ||||
| -rw-r--r-- | tests/auto/gui/rhi/qrhi/tst_qrhi.cpp | 408 |
4 files changed, 509 insertions, 25 deletions
diff --git a/src/gui/rhi/qrhigles2.cpp b/src/gui/rhi/qrhigles2.cpp index 13dc016fd6..a6094183fb 100644 --- a/src/gui/rhi/qrhigles2.cpp +++ b/src/gui/rhi/qrhigles2.cpp @@ -1532,8 +1532,9 @@ void QRhiGles2::enqueueResourceUpdates(QRhiCommandBuffer *cb, QRhiResourceUpdate trackedImageBarrier(cbD, texD, QGles2Texture::AccessRead); cmd.args.readPixels.texture = texD ? texD->texture : 0; if (texD) { - cmd.args.readPixels.w = texD->m_pixelSize.width(); - cmd.args.readPixels.h = texD->m_pixelSize.height(); + const QSize readImageSize = q->sizeForMipLevel(u.rb.level(), texD->m_pixelSize); + cmd.args.readPixels.w = readImageSize.width(); + cmd.args.readPixels.h = readImageSize.height(); cmd.args.readPixels.format = texD->m_format; const GLenum faceTargetBase = texD->m_flags.testFlag(QRhiTexture::CubeMap) ? GL_TEXTURE_CUBE_MAP_POSITIVE_X : texD->target; diff --git a/src/gui/rhi/qrhinull.cpp b/src/gui/rhi/qrhinull.cpp index de6616b677..d78b5e20c5 100644 --- a/src/gui/rhi/qrhinull.cpp +++ b/src/gui/rhi/qrhinull.cpp @@ -36,6 +36,7 @@ #include "qrhinull_p_p.h" #include <qmath.h> +#include <QPainter> QT_BEGIN_NAMESPACE @@ -385,6 +386,67 @@ QRhi::FrameOpResult QRhiNull::finish() return QRhi::FrameOpSuccess; } +void QRhiNull::simulateTextureUpload(const QRhiResourceUpdateBatchPrivate::TextureOp &u) +{ + QNullTexture *texD = QRHI_RES(QNullTexture, u.dst); + for (int layer = 0; layer < QRhi::MAX_LAYERS; ++layer) { + for (int level = 0; level < QRhi::MAX_LEVELS; ++level) { + for (const QRhiTextureSubresourceUploadDescription &subresDesc : qAsConst(u.subresDesc[layer][level])) { + if (!subresDesc.image().isNull()) { + const QImage src = subresDesc.image(); + QPainter painter(&texD->image[layer][level]); + const QSize srcSize = subresDesc.sourceSize().isEmpty() + ? src.size() : subresDesc.sourceSize(); + painter.drawImage(subresDesc.destinationTopLeft(), src, + QRect(subresDesc.sourceTopLeft(), srcSize)); + } else if (!subresDesc.data().isEmpty()) { + const QSize subresSize = q->sizeForMipLevel(level, texD->pixelSize()); + int w = subresSize.width(); + int h = subresSize.height(); + if (!subresDesc.sourceSize().isEmpty()) { + w = subresDesc.sourceSize().width(); + h = subresDesc.sourceSize().height(); + } + // sourceTopLeft is not supported on this path as per QRhi docs + const char *src = subresDesc.data().constData(); + const int srcBpl = w * 4; + const QPoint dstOffset = subresDesc.destinationTopLeft(); + uchar *dst = texD->image[layer][level].bits(); + const int dstBpl = texD->image[layer][level].bytesPerLine(); + for (int y = 0; y < h; ++y) { + memcpy(dst + dstOffset.x() * 4 + (y + dstOffset.y()) * dstBpl, + src + y * srcBpl, + size_t(srcBpl)); + } + } + } + } + } +} + +void QRhiNull::simulateTextureCopy(const QRhiResourceUpdateBatchPrivate::TextureOp &u) +{ + QNullTexture *srcD = QRHI_RES(QNullTexture, u.src); + QNullTexture *dstD = QRHI_RES(QNullTexture, u.dst); + const QImage &srcImage(srcD->image[u.desc.sourceLayer()][u.desc.sourceLevel()]); + QImage &dstImage(dstD->image[u.desc.destinationLayer()][u.desc.destinationLevel()]); + const QPoint dstPos = u.desc.destinationTopLeft(); + const QSize size = u.desc.pixelSize().isEmpty() ? srcD->pixelSize() : u.desc.pixelSize(); + const QPoint srcPos = u.desc.sourceTopLeft(); + + QPainter painter(&dstImage); + painter.drawImage(QRect(dstPos, size), srcImage, QRect(srcPos, size)); +} + +void QRhiNull::simulateTextureGenMips(const QRhiResourceUpdateBatchPrivate::TextureOp &u) +{ + QNullTexture *texD = QRHI_RES(QNullTexture, u.dst); + const QSize baseSize = texD->pixelSize(); + const int levelCount = q->mipLevelsForSize(baseSize); + for (int level = 1; level < levelCount; ++level) + texD->image[0][level] = texD->image[0][0].scaled(q->sizeForMipLevel(level, baseSize)); +} + void QRhiNull::resourceUpdate(QRhiCommandBuffer *cb, QRhiResourceUpdateBatch *resourceUpdates) { Q_UNUSED(cb); @@ -405,22 +467,42 @@ void QRhiNull::resourceUpdate(QRhiCommandBuffer *cb, QRhiResourceUpdateBatch *re } } for (const QRhiResourceUpdateBatchPrivate::TextureOp &u : ud->textureOps) { - if (u.type == QRhiResourceUpdateBatchPrivate::TextureOp::Read) { + if (u.type == QRhiResourceUpdateBatchPrivate::TextureOp::Upload) { + if (u.dst->format() == QRhiTexture::RGBA8) + simulateTextureUpload(u); + } else if (u.type == QRhiResourceUpdateBatchPrivate::TextureOp::Copy) { + if (u.src->format() == QRhiTexture::RGBA8 && u.dst->format() == QRhiTexture::RGBA8) + simulateTextureCopy(u); + } else if (u.type == QRhiResourceUpdateBatchPrivate::TextureOp::Read) { QRhiReadbackResult *result = u.result; - QRhiTexture *tex = u.rb.texture(); - if (tex) { - result->format = tex->format(); - result->pixelSize = q->sizeForMipLevel(u.rb.level(), tex->pixelSize()); + QNullTexture *texD = QRHI_RES(QNullTexture, u.rb.texture()); + if (texD) { + result->format = texD->format(); + result->pixelSize = q->sizeForMipLevel(u.rb.level(), texD->pixelSize()); } else { Q_ASSERT(currentSwapChain); result->format = QRhiTexture::RGBA8; result->pixelSize = currentSwapChain->currentPixelSize(); } + quint32 bytesPerLine = 0; quint32 byteSize = 0; - textureFormatInfo(result->format, result->pixelSize, nullptr, &byteSize); - result->data.fill(0, int(byteSize)); + textureFormatInfo(result->format, result->pixelSize, &bytesPerLine, &byteSize); + if (result->format == QRhiTexture::RGBA8) { + result->data.resize(int(byteSize)); + const QImage &src(texD->image[u.rb.layer()][u.rb.level()]); + char *dst = result->data.data(); + for (int y = 0, h = src.height(); y < h; ++y) { + memcpy(dst, src.constScanLine(y), bytesPerLine); + dst += bytesPerLine; + } + } else { + result->data.fill(0, int(byteSize)); + } if (result->completed) result->completed(); + } else if (u.type == QRhiResourceUpdateBatchPrivate::TextureOp::GenMips) { + if (u.dst->format() == QRhiTexture::RGBA8) + simulateTextureGenMips(u); } } ud->free(); @@ -532,22 +614,36 @@ void QNullTexture::release() bool QNullTexture::build() { + QRHI_RES_RHI(QRhiNull); const bool isCube = m_flags.testFlag(CubeMap); const bool hasMipMaps = m_flags.testFlag(MipMapped); QSize size = m_pixelSize.isEmpty() ? QSize(1, 1) : m_pixelSize; - const int mipLevelCount = hasMipMaps ? qCeil(log2(qMax(size.width(), size.height()))) + 1 : 1; + const int mipLevelCount = hasMipMaps ? rhiD->q->mipLevelsForSize(size) : 1; + const int layerCount = isCube ? 6 : 1; + + if (m_format == RGBA8) { + for (int layer = 0; layer < layerCount; ++layer) { + for (int level = 0; level < mipLevelCount; ++level) { + image[layer][level] = QImage(rhiD->q->sizeForMipLevel(level, size), + QImage::Format_RGBA8888_Premultiplied); + image[layer][level].fill(Qt::yellow); + } + } + } + QRHI_PROF; - QRHI_PROF_F(newTexture(this, true, mipLevelCount, isCube ? 6 : 1, 1)); + QRHI_PROF_F(newTexture(this, true, mipLevelCount, layerCount, 1)); return true; } bool QNullTexture::buildFrom(const QRhiNativeHandles *src) { Q_UNUSED(src); + QRHI_RES_RHI(QRhiNull); const bool isCube = m_flags.testFlag(CubeMap); const bool hasMipMaps = m_flags.testFlag(MipMapped); QSize size = m_pixelSize.isEmpty() ? QSize(1, 1) : m_pixelSize; - const int mipLevelCount = hasMipMaps ? qCeil(log2(qMax(size.width(), size.height()))) + 1 : 1; + const int mipLevelCount = hasMipMaps ? rhiD->q->mipLevelsForSize(size) : 1; QRHI_PROF; QRHI_PROF_F(newTexture(this, false, mipLevelCount, isCube ? 6 : 1, 1)); return true; diff --git a/src/gui/rhi/qrhinull_p_p.h b/src/gui/rhi/qrhinull_p_p.h index 93e298481c..ce517bfa63 100644 --- a/src/gui/rhi/qrhinull_p_p.h +++ b/src/gui/rhi/qrhinull_p_p.h @@ -84,6 +84,7 @@ struct QNullTexture : public QRhiTexture const QRhiNativeHandles *nativeHandles() override; QRhiNullTextureNativeHandles nativeHandlesStruct; + QImage image[QRhi::MAX_LAYERS][QRhi::MAX_LEVELS]; }; struct QNullSampler : public QRhiSampler @@ -288,6 +289,10 @@ public: void releaseCachedResources() override; bool isDeviceLost() const override; + void simulateTextureUpload(const QRhiResourceUpdateBatchPrivate::TextureOp &u); + void simulateTextureCopy(const QRhiResourceUpdateBatchPrivate::TextureOp &u); + void simulateTextureGenMips(const QRhiResourceUpdateBatchPrivate::TextureOp &u); + QRhiNullNativeHandles nativeHandlesStruct; QRhiSwapChain *currentSwapChain = nullptr; QNullCommandBuffer offscreenCommandBuffer; diff --git a/tests/auto/gui/rhi/qrhi/tst_qrhi.cpp b/tests/auto/gui/rhi/qrhi/tst_qrhi.cpp index 409152db0d..a17495f317 100644 --- a/tests/auto/gui/rhi/qrhi/tst_qrhi.cpp +++ b/tests/auto/gui/rhi/qrhi/tst_qrhi.cpp @@ -30,6 +30,8 @@ #include <QThread> #include <QFile> #include <QOffscreenSurface> +#include <QPainter> + #include <QtGui/private/qrhi_p.h> #include <QtGui/private/qrhinull_p.h> @@ -73,6 +75,12 @@ private slots: void nativeHandles(); void resourceUpdateBatchBuffer_data(); void resourceUpdateBatchBuffer(); + void resourceUpdateBatchRGBATextureUpload_data(); + void resourceUpdateBatchRGBATextureUpload(); + void resourceUpdateBatchRGBATextureCopy_data(); + void resourceUpdateBatchRGBATextureCopy(); + void resourceUpdateBatchRGBATextureMip_data(); + void resourceUpdateBatchRGBATextureMip(); private: struct { @@ -505,6 +513,23 @@ void tst_QRhi::nativeHandles() } } +static bool submitResourceUpdates(QRhi *rhi, QRhiResourceUpdateBatch *batch) +{ + QRhiCommandBuffer *cb = nullptr; + QRhi::FrameOpResult result = rhi->beginOffscreenFrame(&cb); + if (result != QRhi::FrameOpSuccess) { + qWarning("beginOffscreenFrame returned %d", result); + return false; + } + if (!cb) { + qWarning("No command buffer from beginOffscreenFrame"); + return false; + } + cb->resourceUpdate(batch); + rhi->endOffscreenFrame(); + return true; +} + void tst_QRhi::resourceUpdateBatchBuffer_data() { rhiTestData(); @@ -517,7 +542,7 @@ void tst_QRhi::resourceUpdateBatchBuffer() QScopedPointer<QRhi> rhi(QRhi::create(impl, initParams, QRhi::Flags(), nullptr)); if (!rhi) - QSKIP("QRhi could not be created, skipping testing resource updates"); + QSKIP("QRhi could not be created, skipping testing buffer resource updates"); const int bufferSize = 23; const QByteArray a(bufferSize, 'A'); @@ -539,12 +564,7 @@ void tst_QRhi::resourceUpdateBatchBuffer() readResult.completed = [&readCompleted] { readCompleted = true; }; batch->readBackBuffer(dynamicBuffer.data(), 5, 10, &readResult); - QRhiCommandBuffer *cb = nullptr; - QRhi::FrameOpResult result = rhi->beginOffscreenFrame(&cb); - QVERIFY(result == QRhi::FrameOpSuccess); - QVERIFY(cb); - cb->resourceUpdate(batch); - rhi->endOffscreenFrame(); + QVERIFY(submitResourceUpdates(rhi.data(), batch)); // Offscreen frames are synchronous, so the readback must have // completed at this point. With swapchain frames this would not be the @@ -573,12 +593,7 @@ void tst_QRhi::resourceUpdateBatchBuffer() if (rhi->isFeatureSupported(QRhi::ReadBackNonUniformBuffer)) batch->readBackBuffer(dynamicBuffer.data(), 5, 10, &readResult); - QRhiCommandBuffer *cb = nullptr; - QRhi::FrameOpResult result = rhi->beginOffscreenFrame(&cb); - QVERIFY(result == QRhi::FrameOpSuccess); - QVERIFY(cb); - cb->resourceUpdate(batch); - rhi->endOffscreenFrame(); + QVERIFY(submitResourceUpdates(rhi.data(), batch)); if (rhi->isFeatureSupported(QRhi::ReadBackNonUniformBuffer)) { QVERIFY(readCompleted); @@ -591,5 +606,372 @@ void tst_QRhi::resourceUpdateBatchBuffer() } } +inline bool imageRGBAEquals(const QImage &a, const QImage &b) +{ + const int maxFuzz = 1; + + if (a.size() != b.size()) + return false; + + const QImage image0 = a.convertToFormat(QImage::Format_RGBA8888_Premultiplied); + const QImage image1 = b.convertToFormat(QImage::Format_RGBA8888_Premultiplied); + + const int width = image0.width(); + const int height = image0.height(); + for (int y = 0; y < height; ++y) { + const quint32 *p0 = reinterpret_cast<const quint32 *>(image0.constScanLine(y)); + const quint32 *p1 = reinterpret_cast<const quint32 *>(image1.constScanLine(y)); + int x = width - 1; + while (x-- >= 0) { + const QRgb c0(*p0++); + const QRgb c1(*p1++); + const int red = qAbs(qRed(c0) - qRed(c1)); + const int green = qAbs(qGreen(c0) - qGreen(c1)); + const int blue = qAbs(qBlue(c0) - qBlue(c1)); + const int alpha = qAbs(qAlpha(c0) - qAlpha(c1)); + if (red > maxFuzz || green > maxFuzz || blue > maxFuzz || alpha > maxFuzz) + return false; + } + } + + return true; +} + +void tst_QRhi::resourceUpdateBatchRGBATextureUpload_data() +{ + rhiTestData(); +} + +void tst_QRhi::resourceUpdateBatchRGBATextureUpload() +{ + QFETCH(QRhi::Implementation, impl); + QFETCH(QRhiInitParams *, initParams); + + QScopedPointer<QRhi> rhi(QRhi::create(impl, initParams, QRhi::Flags(), nullptr)); + if (!rhi) + QSKIP("QRhi could not be created, skipping testing texture resource updates"); + + QImage image(234, 123, QImage::Format_RGBA8888_Premultiplied); + image.fill(Qt::red); + QPainter painter; + const QPoint greenRectPos(35, 50); + const QSize greenRectSize(100, 50); + painter.begin(&image); + painter.fillRect(QRect(greenRectPos, greenRectSize), Qt::green); + painter.end(); + + // simple image upload; uploading and reading back RGBA8 is supported by the Null backend even + { + QScopedPointer<QRhiTexture> texture(rhi->newTexture(QRhiTexture::RGBA8, image.size(), + 1, QRhiTexture::UsedAsTransferSource)); + QVERIFY(texture->build()); + + QRhiResourceUpdateBatch *batch = rhi->nextResourceUpdateBatch(); + batch->uploadTexture(texture.data(), image); + + QRhiReadbackResult readResult; + bool readCompleted = false; + readResult.completed = [&readCompleted] { readCompleted = true; }; + batch->readBackTexture(texture.data(), &readResult); + + QVERIFY(submitResourceUpdates(rhi.data(), batch)); + // like with buffers, the readback is now complete due to endOffscreenFrame() + QVERIFY(readCompleted); + QCOMPARE(readResult.format, QRhiTexture::RGBA8); + QCOMPARE(readResult.pixelSize, image.size()); + + QImage wrapperImage(reinterpret_cast<const uchar *>(readResult.data.constData()), + readResult.pixelSize.width(), readResult.pixelSize.height(), + image.format()); + + QVERIFY(imageRGBAEquals(image, wrapperImage)); + } + + // the same with raw data + { + QScopedPointer<QRhiTexture> texture(rhi->newTexture(QRhiTexture::RGBA8, image.size(), + 1, QRhiTexture::UsedAsTransferSource)); + QVERIFY(texture->build()); + + QRhiResourceUpdateBatch *batch = rhi->nextResourceUpdateBatch(); + + QRhiTextureUploadEntry upload(0, 0, { image.constBits(), int(image.sizeInBytes()) }); + QRhiTextureUploadDescription uploadDesc(upload); + batch->uploadTexture(texture.data(), uploadDesc); + + QRhiReadbackResult readResult; + bool readCompleted = false; + readResult.completed = [&readCompleted] { readCompleted = true; }; + batch->readBackTexture(texture.data(), &readResult); + + QVERIFY(submitResourceUpdates(rhi.data(), batch)); + QVERIFY(readCompleted); + QCOMPARE(readResult.format, QRhiTexture::RGBA8); + QCOMPARE(readResult.pixelSize, image.size()); + + QImage wrapperImage(reinterpret_cast<const uchar *>(readResult.data.constData()), + readResult.pixelSize.width(), readResult.pixelSize.height(), + image.format()); + + QVERIFY(imageRGBAEquals(image, wrapperImage)); + } + + // partial image upload at a non-zero destination position + { + const QSize copySize(30, 40); + const int gap = 10; + const QSize fullSize(copySize.width() + gap, copySize.height() + gap); + QScopedPointer<QRhiTexture> texture(rhi->newTexture(QRhiTexture::RGBA8, fullSize, + 1, QRhiTexture::UsedAsTransferSource)); + QVERIFY(texture->build()); + + QRhiResourceUpdateBatch *batch = rhi->nextResourceUpdateBatch(); + + QImage clearImage(fullSize, image.format()); + clearImage.fill(Qt::black); + batch->uploadTexture(texture.data(), clearImage); + + // copy green pixels of copySize to (gap, gap), leaving a black bar of + // gap pixels on the left and top + QRhiTextureSubresourceUploadDescription desc; + desc.setImage(image); + desc.setSourceSize(copySize); + desc.setDestinationTopLeft(QPoint(gap, gap)); + desc.setSourceTopLeft(greenRectPos); + + batch->uploadTexture(texture.data(), QRhiTextureUploadDescription({ 0, 0, desc })); + + QRhiReadbackResult readResult; + bool readCompleted = false; + readResult.completed = [&readCompleted] { readCompleted = true; }; + batch->readBackTexture(texture.data(), &readResult); + + QVERIFY(submitResourceUpdates(rhi.data(), batch)); + QVERIFY(readCompleted); + QCOMPARE(readResult.format, QRhiTexture::RGBA8); + QCOMPARE(readResult.pixelSize, clearImage.size()); + + QImage wrapperImage(reinterpret_cast<const uchar *>(readResult.data.constData()), + readResult.pixelSize.width(), readResult.pixelSize.height(), + image.format()); + + QVERIFY(!imageRGBAEquals(clearImage, wrapperImage)); + + QImage expectedImage = clearImage; + QPainter painter(&expectedImage); + painter.fillRect(QRect(QPoint(gap, gap), QSize(copySize)), Qt::green); + painter.end(); + + QVERIFY(imageRGBAEquals(expectedImage, wrapperImage)); + } + + // the same (partial upload) with raw data as source + { + const QSize copySize(30, 40); + const int gap = 10; + const QSize fullSize(copySize.width() + gap, copySize.height() + gap); + QScopedPointer<QRhiTexture> texture(rhi->newTexture(QRhiTexture::RGBA8, fullSize, + 1, QRhiTexture::UsedAsTransferSource)); + QVERIFY(texture->build()); + + QRhiResourceUpdateBatch *batch = rhi->nextResourceUpdateBatch(); + + QImage clearImage(fullSize, image.format()); + clearImage.fill(Qt::black); + batch->uploadTexture(texture.data(), clearImage); + + // SourceTopLeft is not supported for non-QImage-based uploads. + const QImage im = image.copy(QRect(greenRectPos, copySize)); + QRhiTextureSubresourceUploadDescription desc; + desc.setData(QByteArray::fromRawData(reinterpret_cast<const char *>(im.constBits()), + int(im.sizeInBytes()))); + desc.setSourceSize(copySize); + desc.setDestinationTopLeft(QPoint(gap, gap)); + + batch->uploadTexture(texture.data(), QRhiTextureUploadDescription({ 0, 0, desc })); + + QRhiReadbackResult readResult; + bool readCompleted = false; + readResult.completed = [&readCompleted] { readCompleted = true; }; + batch->readBackTexture(texture.data(), &readResult); + + QVERIFY(submitResourceUpdates(rhi.data(), batch)); + QVERIFY(readCompleted); + QCOMPARE(readResult.format, QRhiTexture::RGBA8); + QCOMPARE(readResult.pixelSize, clearImage.size()); + + QImage wrapperImage(reinterpret_cast<const uchar *>(readResult.data.constData()), + readResult.pixelSize.width(), readResult.pixelSize.height(), + image.format()); + + QVERIFY(!imageRGBAEquals(clearImage, wrapperImage)); + + QImage expectedImage = clearImage; + QPainter painter(&expectedImage); + painter.fillRect(QRect(QPoint(gap, gap), QSize(copySize)), Qt::green); + painter.end(); + + QVERIFY(imageRGBAEquals(expectedImage, wrapperImage)); + } +} + +void tst_QRhi::resourceUpdateBatchRGBATextureCopy_data() +{ + rhiTestData(); +} + +void tst_QRhi::resourceUpdateBatchRGBATextureCopy() +{ + QFETCH(QRhi::Implementation, impl); + QFETCH(QRhiInitParams *, initParams); + + QScopedPointer<QRhi> rhi(QRhi::create(impl, initParams, QRhi::Flags(), nullptr)); + if (!rhi) + QSKIP("QRhi could not be created, skipping testing texture resource updates"); + + QImage red(256, 256, QImage::Format_RGBA8888_Premultiplied); + red.fill(Qt::red); + + QImage green(35, 73, red.format()); + green.fill(Qt::green); + + QRhiResourceUpdateBatch *batch = rhi->nextResourceUpdateBatch(); + + QScopedPointer<QRhiTexture> redTexture(rhi->newTexture(QRhiTexture::RGBA8, red.size(), + 1, QRhiTexture::UsedAsTransferSource)); + QVERIFY(redTexture->build()); + batch->uploadTexture(redTexture.data(), red); + + QScopedPointer<QRhiTexture> greenTexture(rhi->newTexture(QRhiTexture::RGBA8, green.size(), + 1, QRhiTexture::UsedAsTransferSource)); + QVERIFY(greenTexture->build()); + batch->uploadTexture(greenTexture.data(), green); + + // 1. simple copy red -> texture; 2. subimage copy green -> texture; 3. partial subimage copy green -> texture + { + QScopedPointer<QRhiTexture> texture(rhi->newTexture(QRhiTexture::RGBA8, red.size(), + 1, QRhiTexture::UsedAsTransferSource)); + QVERIFY(texture->build()); + + // 1. + batch->copyTexture(texture.data(), redTexture.data()); + + QRhiReadbackResult readResult; + bool readCompleted = false; + readResult.completed = [&readCompleted] { readCompleted = true; }; + batch->readBackTexture(texture.data(), &readResult); + QVERIFY(submitResourceUpdates(rhi.data(), batch)); + QVERIFY(readCompleted); + QImage wrapperImage(reinterpret_cast<const uchar *>(readResult.data.constData()), + readResult.pixelSize.width(), readResult.pixelSize.height(), + red.format()); + QVERIFY(imageRGBAEquals(red, wrapperImage)); + + batch = rhi->nextResourceUpdateBatch(); + readCompleted = false; + + // 2. + QRhiTextureCopyDescription copyDesc; + copyDesc.setDestinationTopLeft(QPoint(15, 23)); + batch->copyTexture(texture.data(), greenTexture.data(), copyDesc); + + batch->readBackTexture(texture.data(), &readResult); + QVERIFY(submitResourceUpdates(rhi.data(), batch)); + QVERIFY(readCompleted); + wrapperImage = QImage(reinterpret_cast<const uchar *>(readResult.data.constData()), + readResult.pixelSize.width(), readResult.pixelSize.height(), + red.format()); + + QImage expectedImage = red; + QPainter painter(&expectedImage); + painter.drawImage(copyDesc.destinationTopLeft(), green); + painter.end(); + + QVERIFY(imageRGBAEquals(expectedImage, wrapperImage)); + + batch = rhi->nextResourceUpdateBatch(); + readCompleted = false; + + // 3. + copyDesc.setDestinationTopLeft(QPoint(125, 89)); + copyDesc.setSourceTopLeft(QPoint(5, 5)); + copyDesc.setPixelSize(QSize(26, 45)); + batch->copyTexture(texture.data(), greenTexture.data(), copyDesc); + + batch->readBackTexture(texture.data(), &readResult); + QVERIFY(submitResourceUpdates(rhi.data(), batch)); + QVERIFY(readCompleted); + wrapperImage = QImage(reinterpret_cast<const uchar *>(readResult.data.constData()), + readResult.pixelSize.width(), readResult.pixelSize.height(), + red.format()); + + painter.begin(&expectedImage); + painter.drawImage(copyDesc.destinationTopLeft(), green, + QRect(copyDesc.sourceTopLeft(), copyDesc.pixelSize())); + painter.end(); + + QVERIFY(imageRGBAEquals(expectedImage, wrapperImage)); + } +} + +void tst_QRhi::resourceUpdateBatchRGBATextureMip_data() +{ + rhiTestData(); +} + +void tst_QRhi::resourceUpdateBatchRGBATextureMip() +{ + QFETCH(QRhi::Implementation, impl); + QFETCH(QRhiInitParams *, initParams); + + QScopedPointer<QRhi> rhi(QRhi::create(impl, initParams, QRhi::Flags(), nullptr)); + if (!rhi) + QSKIP("QRhi could not be created, skipping testing texture resource updates"); + + + QImage red(512, 512, QImage::Format_RGBA8888_Premultiplied); + red.fill(Qt::red); + + const QRhiTexture::Flags textureFlags = + QRhiTexture::UsedAsTransferSource + | QRhiTexture::MipMapped + | QRhiTexture::UsedWithGenerateMips; + QScopedPointer<QRhiTexture> texture(rhi->newTexture(QRhiTexture::RGBA8, red.size(), 1, textureFlags)); + QVERIFY(texture->build()); + + QRhiResourceUpdateBatch *batch = rhi->nextResourceUpdateBatch(); + batch->uploadTexture(texture.data(), red); + batch->generateMips(texture.data()); + QVERIFY(submitResourceUpdates(rhi.data(), batch)); + + const int levelCount = rhi->mipLevelsForSize(red.size()); + QCOMPARE(levelCount, 10); + for (int level = 0; level < levelCount; ++level) { + batch = rhi->nextResourceUpdateBatch(); + + QRhiReadbackDescription readDesc(texture.data()); + readDesc.setLevel(level); + QRhiReadbackResult readResult; + bool readCompleted = false; + readResult.completed = [&readCompleted] { readCompleted = true; }; + batch->readBackTexture(readDesc, &readResult); + + QVERIFY(submitResourceUpdates(rhi.data(), batch)); + QVERIFY(readCompleted); + + const QSize expectedSize = rhi->sizeForMipLevel(level, texture->pixelSize()); + QCOMPARE(readResult.pixelSize, expectedSize); + + QImage wrapperImage(reinterpret_cast<const uchar *>(readResult.data.constData()), + readResult.pixelSize.width(), readResult.pixelSize.height(), + red.format()); + + // Compare to a scaled version; we can do this safely only because we + // only have plain red pixels in the source image. + QImage expectedImage = red.scaled(expectedSize); + QVERIFY(imageRGBAEquals(expectedImage, wrapperImage)); + } +} + #include <tst_qrhi.moc> QTEST_MAIN(tst_QRhi) |