From 016f5954e3815e098d4ed9897de13eb424860b45 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Sun, 3 Nov 2019 08:05:47 +0100
Subject: [PATCH] python: exposed framebuffer blit.

---
 doc/python/pages/changelog.rst |  8 ++++++++
 src/python/magnum/gl.cpp       | 18 ++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/doc/python/pages/changelog.rst b/doc/python/pages/changelog.rst
index 49e4711..8e18cfc 100644
--- a/doc/python/pages/changelog.rst
+++ b/doc/python/pages/changelog.rst
@@ -26,9 +26,17 @@
 Changelog
 #########
 
+:ref-prefix:
+    corrade
+    magnum
 :some_directive: TODO: why can't the title below "just work" and I have to
     add some bogus content before?
 
+`Changes since 2019.10`_
+========================
+
+-   Exposed `gl.AbstractFramebuffer.blit()` functions and related enums
+
 `2019.10`_
 ==========
 
diff --git a/src/python/magnum/gl.cpp b/src/python/magnum/gl.cpp
index f7bc2ec..d4abffa 100644
--- a/src/python/magnum/gl.cpp
+++ b/src/python/magnum/gl.cpp
@@ -673,12 +673,30 @@ void gl(py::module& m) {
         .value("STENCIL", GL::FramebufferClear::Stencil);
     corrade::enumOperators(framebufferClear);
 
+    py::enum_<GL::FramebufferBlit> framebufferBlit{m, "FramebufferBlit", "Mask for framebuffer blitting"};
+    framebufferBlit
+        .value("COLOR", GL::FramebufferBlit::Color)
+        .value("DEPTH", GL::FramebufferBlit::Depth)
+        .value("STENCIL", GL::FramebufferBlit::Stencil);
+    corrade::enumOperators(framebufferBlit);
+
+    py::enum_<GL::FramebufferBlitFilter>{m, "FramebufferBlitFilter", "Framebuffer blit filtering"}
+        .value("NEAREST", GL::FramebufferBlitFilter::Nearest)
+        .value("LINEAR", GL::FramebufferBlitFilter::Linear);
+
     py::class_<GL::AbstractFramebuffer, NonDefaultFramebufferHolder<GL::AbstractFramebuffer>> abstractFramebuffer{m,
         "AbstractFramebuffer", "Base for default and named framebuffers"};
 
     abstractFramebuffer
         /** @todo limit queries */
 
+        /* Using lambdas to supply an enum and not enum set */
+        .def_static("blit", [](GL::AbstractFramebuffer& source, GL::AbstractFramebuffer& destination, const Range2Di& sourceRectangle, const Range2Di& destinationRectangle, GL::FramebufferBlit mask, GL::FramebufferBlitFilter filter) {
+            GL::AbstractFramebuffer::blit(source, destination, sourceRectangle, destinationRectangle, mask, filter);
+        }, "Copy a block of pixels", py::arg("source"), py::arg("destination"), py::arg("source_rectangle"), py::arg("destination_rectangle"), py::arg("mask"), py::arg("filter"))
+        .def_static("blit", [](GL::AbstractFramebuffer& source, GL::AbstractFramebuffer& destination, const Range2Di& rectangle, GL::FramebufferBlit mask) {
+            GL::AbstractFramebuffer::blit(source, destination, rectangle, mask);
+        }, "Copy a block of pixels", py::arg("source"), py::arg("destination"), py::arg("rectangle"), py::arg("mask"))
         .def("bind", &GL::AbstractFramebuffer::bind, "Bind framebuffer for drawing")
         .def_property("viewport", &GL::AbstractFramebuffer::viewport, &GL::AbstractFramebuffer::setViewport, "Viewport")
         /* Using lambdas to avoid method chaining getting into signatures */