void AbstractFramebuffer::read(const Range2Di& rectangle, Image2D& image) {
bindInternal(FramebufferTarget::Read);
const std::size_t dataSize = image.dataSize(rectangle.size());
char* const data = new char[dataSize];
(Context::current()->state().framebuffer->readImplementation)(rectangle, image.format(), image.type(), dataSize, data);
image.setData(image.format(), image.type(), rectangle.size(), data);
}
void AbstractFramebuffer::read(const Range2Di& rectangle, BufferImage2D& image, BufferUsage usage) {
bindInternal(FramebufferTarget::Read);
/* If the buffer doesn't have sufficient size, resize it */
/** @todo Explicitly reset also when buffer usage changes */
if(image.size() != rectangle.size())
image.setData(image.format(), image.type(), rectangle.size(), nullptr, usage);
image.buffer().bindInternal(Buffer::TargetHint::PixelPack);
(Context::current()->state().framebuffer->readImplementation)(rectangle, image.format(), image.type(), image.dataSize(rectangle.size()), nullptr);
}
void AbstractFramebuffer::read(const Range2Di& rectangle, BufferImage2D& image, BufferUsage usage) {
bindInternal(FramebufferTarget::Read);
/* Reallocate only if needed */
const std::size_t dataSize = Implementation::imageDataSizeFor(image, rectangle.size());
if(image.dataSize() < dataSize)
image.setData(image.storage(), image.format(), image.type(), rectangle.size(), {nullptr, dataSize}, usage);
else
image.setData(image.storage(), image.format(), image.type(), rectangle.size(), nullptr, usage);
image.buffer().bindInternal(Buffer::TargetHint::PixelPack);
image.storage().applyPack();
(Context::current().state().framebuffer->readImplementation)(rectangle, image.format(), image.type(), dataSize, nullptr);
}
void AbstractFramebuffer::blitImplementationNV(AbstractFramebuffer& source, AbstractFramebuffer& destination, const Range2Di& sourceRectangle, const Range2Di& destinationRectangle, const FramebufferBlitMask mask, const FramebufferBlitFilter filter) {
#ifndef CORRADE_TARGET_NACL
source.bindInternal(FramebufferTarget::Read);
destination.bindInternal(FramebufferTarget::Draw);
glBlitFramebufferNV(sourceRectangle.left(), sourceRectangle.bottom(), sourceRectangle.right(), sourceRectangle.top(), destinationRectangle.left(), destinationRectangle.bottom(), destinationRectangle.right(), destinationRectangle.top(), GLbitfield(mask), GLenum(filter));
#else
static_cast<void>(source);
static_cast<void>(destination);
static_cast<void>(sourceRectangle);
static_cast<void>(destinationRectangle);
static_cast<void>(mask);
static_cast<void>(filter);
CORRADE_ASSERT_UNREACHABLE();
#endif
}
void RangeTest::center() {
const Range1Di line(34, 47);
const Range2Di rect({34, 23}, {47, 30});
const Range3Di cube({34, 23, -17}, {47, 30, 12});
CORRADE_COMPARE(line.center(), 40);
CORRADE_COMPARE(rect.center(), Vector2i(40, 26));
CORRADE_COMPARE(cube.center(), Vector3i(40, 26, -2));
CORRADE_COMPARE(rect.centerX(), 40);
CORRADE_COMPARE(rect.centerY(), 26);
CORRADE_COMPARE(cube.centerX(), 40);
CORRADE_COMPARE(cube.centerY(), 26);
CORRADE_COMPARE(cube.centerZ(), -2);
}
void RangeTest::size() {
const Range1Di line(34, 47);
const Range2Di rect({34, 23}, {47, 30});
const Range3Di cube({34, 23, -17}, {47, 30, 12});
CORRADE_COMPARE(line.size(), 13);
CORRADE_COMPARE(rect.size(), Vector2i(13, 7));
CORRADE_COMPARE(cube.size(), Vector3i(13, 7, 29));
CORRADE_COMPARE(rect.sizeX(), 13);
CORRADE_COMPARE(rect.sizeY(), 7);
CORRADE_COMPARE(cube.sizeX(), 13);
CORRADE_COMPARE(cube.sizeY(), 7);
CORRADE_COMPARE(cube.sizeZ(), 29);
}
void GlyphCache::insert(const UnsignedInt glyph, const Vector2i& position, const Range2Di& rectangle) {
const std::pair<Vector2i, Range2Di> glyphData = {position-_padding, rectangle.padded(_padding)};
/* Overwriting "Not Found" glyph */
if(glyph == 0) glyphs[0] = glyphData;
/* Inserting new glyph */
else CORRADE_INTERNAL_ASSERT_OUTPUT(glyphs.insert({glyph, glyphData}).second);
}
void AbstractFramebuffer::read(const Range2Di& rectangle, Image2D& image) {
bindInternal(FramebufferTarget::Read);
/* Reallocate only if needed */
const std::size_t dataSize = Implementation::imageDataSizeFor(image, rectangle.size());
Containers::Array<char> data{image.release()};
if(data.size() < dataSize)
data = Containers::Array<char>{dataSize};
#ifndef MAGNUM_TARGET_GLES2
Buffer::unbindInternal(Buffer::TargetHint::PixelPack);
#endif
image.storage().applyPack();
(Context::current().state().framebuffer->readImplementation)(rectangle, image.format(), image.type(), data.size(), data
#ifdef MAGNUM_TARGET_GLES2
+ Implementation::pixelStorageSkipOffsetFor(image, rectangle.size())
#endif
);
image.setData(image.storage(), image.format(), image.type(), rectangle.size(), std::move(data));
}
void AbstractFramebuffer::readImplementationRobustness(const Range2Di& rectangle, const ColorFormat format, const ColorType type, const std::size_t dataSize, GLvoid* const data) {
#ifndef MAGNUM_TARGET_GLES
glReadnPixelsARB(rectangle.min().x(), rectangle.min().y(), rectangle.sizeX(), rectangle.sizeY(), GLenum(format), GLenum(type), dataSize, data);
#elif !defined(CORRADE_TARGET_NACL)
glReadnPixelsEXT(rectangle.min().x(), rectangle.min().y(), rectangle.sizeX(), rectangle.sizeY(), GLenum(format), GLenum(type), dataSize, data);
#else
static_cast<void>(rectangle);
static_cast<void>(format);
static_cast<void>(type);
static_cast<void>(dataSize);
static_cast<void>(data);
CORRADE_ASSERT_UNREACHABLE();
#endif
}
void AbstractFramebuffer::readImplementationDefault(const Range2Di& rectangle, const ColorFormat format, const ColorType type, const std::size_t, GLvoid* const data) {
glReadPixels(rectangle.min().x(), rectangle.min().y(), rectangle.sizeX(), rectangle.sizeY(), GLenum(format), GLenum(type), data);
}
void AbstractFramebuffer::invalidateImplementationDSA(const GLsizei count, const GLenum* const attachments, const Range2Di& rectangle) {
glInvalidateNamedFramebufferSubData(_id, count, attachments, rectangle.left(), rectangle.bottom(), rectangle.sizeX(), rectangle.sizeY());
}
void AbstractFramebuffer::invalidateImplementationDefault(const GLsizei count, const GLenum* const attachments, const Range2Di& rectangle) {
glInvalidateSubFramebuffer(GLenum(bindInternal()), count, attachments, rectangle.left(), rectangle.bottom(), rectangle.sizeX(), rectangle.sizeY());
}
void AbstractFramebuffer::blitImplementationDSA(AbstractFramebuffer& source, AbstractFramebuffer& destination, const Range2Di& sourceRectangle, const Range2Di& destinationRectangle, const FramebufferBlitMask mask, const FramebufferBlitFilter filter) {
glBlitNamedFramebuffer(source._id, destination._id, sourceRectangle.left(), sourceRectangle.bottom(), sourceRectangle.right(), sourceRectangle.top(), destinationRectangle.left(), destinationRectangle.bottom(), destinationRectangle.right(), destinationRectangle.top(), GLbitfield(mask), GLenum(filter));
}
void AbstractFramebuffer::blitImplementationDefault(AbstractFramebuffer& source, AbstractFramebuffer& destination, const Range2Di& sourceRectangle, const Range2Di& destinationRectangle, const FramebufferBlitMask mask, const FramebufferBlitFilter filter) {
source.bindInternal(FramebufferTarget::Read);
destination.bindInternal(FramebufferTarget::Draw);
glBlitFramebuffer(sourceRectangle.left(), sourceRectangle.bottom(), sourceRectangle.right(), sourceRectangle.top(), destinationRectangle.left(), destinationRectangle.bottom(), destinationRectangle.right(), destinationRectangle.top(), GLbitfield(mask), GLenum(filter));
}
