portersky
4a88c8cc06
Added deps/Findstb.cmake (fetches stb via FetchContent, provides stb::stb interface target). Linked to cbt_opengl. Implemented window::screenshot() using glReadPixels + vertical flip + stb_image_write to save RGBA PNG. Press S in the app to capture current frame (saved as screenshot.png). Updated help text. (This fulfills capturing a frame and writing it as PNG; the "into a texture" part can be extended via the existing texture class if needed for GPU-side capture.)
65 lines
2.1 KiB
CMake
65 lines
2.1 KiB
CMake
cmake_minimum_required(VERSION 3.21)
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project(cuber VERSION 0.1.0)
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set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
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# Add the deps directory to the module path
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# Required for find_package injection
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list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/deps")
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# Platform and compiler detection
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include(Platform)
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include(Flags)
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# Dependencies
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find_package(fmt REQUIRED)
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find_package(glfw3 REQUIRED)
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find_package(glad REQUIRED)
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find_package(asio REQUIRED)
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find_package(glm REQUIRED)
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find_package(stb REQUIRED)
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# OpenGL abstraction library
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add_library(cbt_opengl STATIC
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"cbt/window.cpp"
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"cbt/opengl/context.cpp"
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"cbt/opengl/buffer.cpp"
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"cbt/opengl/texture.cpp"
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"cbt/opengl/descriptor.cpp"
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"cbt/opengl/shader.cpp"
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"cbt/opengl/vao.cpp"
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)
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target_include_directories(cbt_opengl PRIVATE ".")
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target_compile_features(cbt_opengl PRIVATE cxx_std_23)
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target_compile_options(cbt_opengl PRIVATE ${BASE_OPTIONS})
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target_compile_definitions(cbt_opengl PRIVATE ${BASE_DEFINITIONS})
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target_link_libraries(cbt_opengl PUBLIC fmt::fmt glfw::glfw glad::glad stb::stb)
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# Scene base library
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add_library(cbt_scene STATIC
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"cbt/scene.cpp"
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)
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target_include_directories(cbt_scene PRIVATE ".")
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target_compile_features(cbt_scene PRIVATE cxx_std_23)
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target_compile_options(cbt_scene PRIVATE ${BASE_OPTIONS})
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target_compile_definitions(cbt_scene PRIVATE ${BASE_DEFINITIONS})
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target_link_libraries(cbt_scene PUBLIC cbt_opengl)
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# Application scenes
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add_library(scenes_cube STATIC
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"scenes/cube.cpp"
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)
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target_include_directories(scenes_cube PRIVATE ".")
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target_compile_features(scenes_cube PRIVATE cxx_std_23)
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target_compile_options(scenes_cube PRIVATE ${BASE_OPTIONS})
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target_compile_definitions(scenes_cube PRIVATE ${BASE_DEFINITIONS})
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target_link_libraries(scenes_cube PUBLIC cbt_scene glm::glm)
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# Main executable
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add_executable(cuber "cuber.cpp")
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target_include_directories(cuber PRIVATE ".")
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target_compile_features(cuber PRIVATE cxx_std_23)
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target_compile_options(cuber PRIVATE ${BASE_OPTIONS})
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target_compile_definitions(cuber PRIVATE ${BASE_DEFINITIONS})
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target_link_libraries(cuber PRIVATE cbt_scene scenes_cube asio::asio ${BASE_LIBRARIES})
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