Mesa (master): intel: tools: import ImGui

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Module: Mesa
Branch: master
Commit: ea83a1d304dc97d1d155a633e95d902a08703175
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ea83a1d304dc97d1d155a633e95d902a08703175

Author: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Date:   Sun Jul 29 19:32:45 2018 +0100

intel: tools: import ImGui

We want to add a new UI tool to decode aub files. This will use the
Dear ImGui library to render its interface. The build of this UI
toolkit is conditional to -Dwith_tools=intel-ui which superseeds
-Dwith_tools=intel.

The main way to use ImGui is to embed its source code at a particular
revision. Most embedding projects have to do a bit of integration
which is really specific to one's project. In our case the only
modification is to include libepoxy. We also choose to use Gtk+3 for
the window system integration. As oppose to the previous previous
version of this patch using GLFW, Gtk+ is able to handle X11/Wayland
session as well as property DPI scaling on retina monitors.

The import was done at this commit (https://github.com/ocornut/imgui) :

commit 6211f40f3d903dd9df961256e044029c49793aa3
Author: omar <omarcornut at gmail.com>
Date:   Fri Jul 27 12:29:33 2018 +0200

    Internals: Drag and Drop: default drop preview use a narrower clipping rectangle (no effect here, but other branches uses a narrow clipping rectangle that was too small so this is a fix for it) + Comments

v2: Switch from GLFW to GTK+ (Lionel)

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
Acked-by: Rafael Antognolli <rafael.antognolli at intel.com>

---

 meson_options.txt                            |     2 +-
 src/intel/Makefile.am                        |    16 +
 src/intel/meson.build                        |     2 +-
 src/intel/tools/imgui/LICENSE.txt            |    21 +
 src/intel/tools/imgui/README                 |    15 +
 src/intel/tools/imgui/imconfig.h             |    72 +
 src/intel/tools/imgui/imgui.cpp              | 14184 +++++++++++++++++++++++++
 src/intel/tools/imgui/imgui.h                |  1936 ++++
 src/intel/tools/imgui/imgui_demo.cpp         |  3471 ++++++
 src/intel/tools/imgui/imgui_draw.cpp         |  3077 ++++++
 src/intel/tools/imgui/imgui_impl_gtk3.cpp    |   284 +
 src/intel/tools/imgui/imgui_impl_gtk3.h      |    15 +
 src/intel/tools/imgui/imgui_impl_opengl3.cpp |   437 +
 src/intel/tools/imgui/imgui_impl_opengl3.h   |    25 +
 src/intel/tools/imgui/imgui_internal.h       |  1225 +++
 src/intel/tools/imgui/meson.build            |    24 +
 src/intel/tools/imgui/stb_rect_pack.h        |   623 ++
 src/intel/tools/imgui/stb_textedit.h         |  1409 +++
 src/intel/tools/imgui/stb_truetype.h         |  4854 +++++++++
 src/intel/tools/meson.build                  |     5 +-
 20 files changed, 31694 insertions(+), 3 deletions(-)

Diff:   http://cgit.freedesktop.org/mesa/mesa/diff/?id=ea83a1d304dc97d1d155a633e95d902a08703175