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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()

24
src/CMakeLists.txt
View File

@ -2,15 +2,15 @@ set(SOURCES
maths.h
draw.h
draw_common.c
$<$<NOT:$<OR:$<BOOL:${USE_METAL}>,$<BOOL:${USE_OPENGL}>,$<BOOL:${USE_OPENGL_LEGACY}>>>:draw.c>
$<$<BOOL:${USE_METAL}>:draw_metal.m metal_shader_types.h>
$<$<BOOL:${USE_OPENGL}>:draw_opengl_core.c>
$<$<BOOL:${USE_OPENGL_LEGACY}>:draw_opengl.c>
$<$<NOT:$<OR:$<STREQUAL:${GFX_BACKEND},OPENGL>,$<STREQUAL:${GFX_BACKEND},OPENGL_LEGACY>,$<STREQUAL:${GFX_BACKEND},METAL>>>:draw.c>
$<$<STREQUAL:${GFX_BACKEND},METAL>:draw_metal.m metal_shader_types.h>
$<$<STREQUAL:${GFX_BACKEND},OPENGL>:draw_opengl_core.c>
$<$<STREQUAL:${GFX_BACKEND},OPENGL_LEGACY>:draw_opengl.c>
stick.h
stick.c
analogue.c)
if (USE_METAL)
if (GFX_BACKEND STREQUAL "METAL")
find_library(METAL Metal REQUIRED)
find_library(FOUNDATION Foundation REQUIRED)
find_library(QUARTZCORE QuartzCore REQUIRED)
@ -19,7 +19,7 @@ if (USE_METAL)
include(BinHelper)
bin2h_compile(OUTPUT metalShader.h BIN ${CMAKE_CURRENT_BINARY_DIR}/shader.metallib)
list(APPEND SOURCES ${CMAKE_CURRENT_BINARY_DIR}/metalShader.h)
elseif (USE_OPENGL)
elseif (GFX_BACKEND STREQUAL "OPENGL")
include(GL3WHelper)
add_gl3w(gl3w)
include(BinHelper)
@ -29,16 +29,16 @@ endif()
add_executable(${TARGET} ${SOURCES})
target_include_directories(${TARGET} PRIVATE
$<$<OR:$<BOOL:${USE_METAL}>,$<BOOL:${USE_OPENGL}>>:${CMAKE_CURRENT_BINARY_DIR}>)
$<$<OR:$<STREQUAL:${GFX_BACKEND},OPENGL>,$<STREQUAL:${GFX_BACKEND},METAL>>:${CMAKE_CURRENT_BINARY_DIR}>)
target_link_libraries(${TARGET}
$<$<PLATFORM_ID:Windows>:SDL2::SDL2main>
SDL2::SDL2
$<$<BOOL:${USE_METAL}>:${METAL} ${QUARTZCORE} ${FOUNDATION}>
$<$<OR:$<BOOL:${USE_OPENGL}>,$<BOOL:${USE_OPENGL_LEGACY}>>:OpenGL::GL>
$<$<BOOL:${USE_OPENGL}>:gl3w>
$<$<STREQUAL:${GFX_BACKEND},METAL>:${METAL} ${QUARTZCORE} ${FOUNDATION}>
$<$<OR:$<STREQUAL:${GFX_BACKEND},OPENGL>,$<STREQUAL:${GFX_BACKEND},OPENGL_LEGACY>>:OpenGL::GL>
$<$<STREQUAL:${GFX_BACKEND},OPENGL>:gl3w>
$<$<BOOL:${GNU}>:m>)
target_compile_options(${TARGET} PRIVATE
$<$<BOOL:${GNU}>:-Wall -Wextra -pedantic -Wno-unused-parameter>)
target_compile_definitions(${TARGET} PRIVATE
$<$<BOOL:${USE_METAL}>:USE_METAL>
$<$<OR:$<BOOL:${USE_OPENGL}>,$<BOOL:${USE_OPENGL_LEGACY}>>:USE_OPENGL>)
$<$<STREQUAL:${GFX_BACKEND},METAL>:USE_METAL>
$<$<OR:$<STREQUAL:${GFX_BACKEND},OPENGL>,$<STREQUAL:${GFX_BACKEND},OPENGL_LEGACY>>:USE_OPENGL>)