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old backend selector

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a dinosaur
2023-06-28 06:43:46 +10:00
parent a75e480155
commit 8f7bf116aa
2 changed files with 19 additions and 32 deletions
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27
CMakeLists.txt
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@ -2,25 +2,12 @@ cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
project(padlab C)
set(TARGET padlab)
option(USE_METAL "use Metal for drawing" ${APPLE})
if (USE_METAL)
option(USE_OPENGL "Use OpenGL for drawing (WIP)" OFF)
option(USE_OPENGL_LEGACY "Use legacy OpenGL for drawing" OFF)
if (USE_OPENGL)
message(FATAL_ERROR "USE_METAL and USE_OPENGL are both ON but only one backend can be used at a time, turn one OFF and regenerate. (or delete cache and try again)")
elseif (USE_OPENGL_LEGACY)
message(FATAL_ERROR "USE_METAL and USE_OPENGL_LEGACY are both ON but only one backend can be used at a time, turn one OFF and regenerate. (or delete cache and try again)")
endif()
else()
option(USE_OPENGL "Use OpenGL for drawing (WIP)" OFF)
if (USE_OPENGL)
option(USE_OPENGL_LEGACY "Use legacy OpenGL for drawing" OFF)
if (USE_OPENGL_LEGACY)
message(FATAL_ERROR "USE_OPENGL and USE_OPENGL_LEGACY are both ON but only one backend can be used at a time, turn one OFF and regenerate. (or delete cache and try again)")
endif()
else()
option(USE_OPENGL_LEGACY "Use legacy OpenGL for drawing" ON)
endif()
set(GFX_BACKEND "OPENGL_LEGACY" CACHE STRING "Graphics API to render with: \"SDL\", \"OPENGL_LEGACY\" 1.1 compatibility profile, \"OPENGL\" 3.3 core profile (WIP), \"METAL\"")
set(GL_BACKENDS OPENGL_LEGACY OPENGL)
set(BACKENDS SDL ${GL_BACKENDS} METAL)
if (NOT GFX_BACKEND IN_LIST BACKENDS)
message(FATAL_ERROR "\"${GFX_BACKEND}\" is not a valid graphics backend, GFX_BACKEND may be one of: ${BACKENDS}")
endif()
list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
@ -33,7 +20,7 @@ elseif (MSVC)
endif()
find_package(SDL2 REQUIRED)
if (USE_OPENGL OR USE_OPENGL_LEGACY)
if (GFX_BACKEND IN_LIST GL_BACKENDS)
if (NOT DEFINED OpenGL_GL_PREFERENCE)
set(OpenGL_GL_PREFERENCE "GLVND")
endif()