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Add cmake configuration for using OpenGL on the Raspberry Pi 4. #119

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Add cmake configuration for using OpenGL on the Raspberry Pi 4. #119

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dbb9f26
Add cmake configuration for using OpenGL on the Raspberry Pi 4.
vanfanel Dec 4, 2021
e97c0b8
Fix flickering background on the GLES renderer on certain configurati…
vanfanel Dec 4, 2021
61c9097
Properly fix backgrund flashing on GLES, and correct spacing.
vanfanel Dec 5, 2021
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45 changes: 45 additions & 0 deletions cmake/pi4-opengl.cmake
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Original file line number Diff line number Diff line change
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# -----------------------------------------------------------------------------
# CannonBall Raspberry Pi4 (Smarty Hardware)
#
# I am using Visual Studio 2019 and cross-compiling on a PC with VisualGDB
# (https://visualgdb.com/)
#
# This works well in terms of being able to use the Visual Studio debugger,
# but if your environment is different, you may need a different cmake file.
#
# I referred to the following tutorial:
# https://gnutoolchains.com/raspberry/tutorial/
#
# I downloaded the 2019-07-10 raspbian-buster-full executable from here:
# https://gnutoolchains.com/raspberry/
# -----------------------------------------------------------------------------

# Library Locations
set(lib_base c:/coding/lib)
set(boost_dir ${lib_base}/boost_1_74_0)
set(sdl2_dir ${lib_base}/SDL2-2.0.12)

# Use OpenGL for rendering.
find_package(OpenGL QUIET)
IF(OpenGL_FOUND)
message(STATUS "Using OpenGL GLX for OpenGL")
ELSE(OpenGL_FOUND)
# If we couldn't find old GLX package, try to use modern libglvnd libOpenGL.so instead,
# which is the way to have full OpenGL without any X11 dependencies.
message(STATUS "Using GLVND for OpenGL")
FIND_LIBRARY(OPENGL_LIBRARIES OpenGL)
ENDIF(OpenGL_FOUND)

# GCC Specific flags (optimize for Pi4 CPU)
set(CMAKE_CXX_FLAGS "-O3 -mtune=cortex-a72")

# Platform Specific Libraries
set(platform_link_libs
SDL2
${OPENGL_LIBRARIES}
)

# Platform Specific Link Directories
set(platform_link_dirs

)
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