Initial SDL 1.2 backend
This commit is contained in:
Cameron Cawley
parent
79ec91c851
commit
cf8789f887
4 changed files with 378 additions and 2 deletions
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@ -26,7 +26,7 @@ option(FREETYPE_FONTS "Use FreeType2 to render the DejaVu Mono (English) or Migu
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set(BACKEND_RENDERER "SDLTexture" CACHE STRING "Which renderer the game should use: 'OpenGL3' for an OpenGL 3.2 renderer, 'OpenGLES2' for an OpenGL ES 2.0 renderer, 'SDLTexture' for SDL2's hardware-accelerated Texture API, 'SDLSurface' for SDL2's software-rendered Surface API, 'Wii U' for the Wii U's hardware-accelerated GX2 API, '3DS' for the 3DS's hardware accelerated Citro2D/Citro3D API, or 'Software' for a handwritten software renderer")
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set(BACKEND_AUDIO "SDL2" CACHE STRING "Which audio backend the game should use: 'SDL2', 'miniaudio', 'WiiU-Hardware', 'WiiU-Software', '3DS-Hardware', '3DS-Software', or 'Null'")
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set(BACKEND_PLATFORM "SDL2" CACHE STRING "Which platform backend the game should use: 'SDL2', 'GLFW3', 'WiiU', '3DS', or 'Null'")
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set(BACKEND_PLATFORM "SDL2" CACHE STRING "Which platform backend the game should use: 'SDL2', 'SDL1', 'GLFW3', 'WiiU', '3DS', or 'Null'")
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option(LTO "Enable link-time optimisation" OFF)
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option(PKG_CONFIG_STATIC_LIBS "On platforms with pkg-config, static-link the dependencies (good for Windows builds, so you don't need to bundle DLL files)" OFF)
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@ -393,10 +393,15 @@ endif()
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if(BACKEND_PLATFORM MATCHES "SDL2")
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target_sources(CSE2 PRIVATE
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"src/Backends/Controller/SDL2.cpp"
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"src/Backends/Controller/SDL.cpp"
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"src/Backends/Platform/SDL2.cpp"
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"src/Backends/Shared/SDL2.h"
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)
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elseif(BACKEND_PLATFORM MATCHES "SDL1")
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target_sources(CSE2 PRIVATE
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"src/Backends/Controller/SDL.cpp"
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"src/Backends/Platform/SDL1.cpp"
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)
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elseif(BACKEND_PLATFORM MATCHES "GLFW3")
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target_sources(CSE2 PRIVATE
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"src/Backends/Controller/GLFW3.cpp"
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@ -428,6 +433,8 @@ elseif(BACKEND_PLATFORM MATCHES "SDL2" AND BACKEND_RENDERER MATCHES "SDLTexture"
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elseif(BACKEND_PLATFORM MATCHES "SDL2" AND BACKEND_RENDERER MATCHES "SDLSurface")
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elseif(BACKEND_PLATFORM MATCHES "SDL2" AND BACKEND_RENDERER MATCHES "Software")
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target_sources(CSE2 PRIVATE "src/Backends/Rendering/Window/Software/SDL2.cpp")
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elseif(BACKEND_PLATFORM MATCHES "SDL1" AND BACKEND_RENDERER MATCHES "Software")
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target_sources(CSE2 PRIVATE "src/Backends/Rendering/Window/Software/SDL1.cpp")
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elseif(BACKEND_PLATFORM MATCHES "GLFW3" AND BACKEND_RENDERER MATCHES "OpenGL3")
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target_sources(CSE2 PRIVATE "src/Backends/Rendering/Window/OpenGL3/GLFW3.cpp")
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elseif(BACKEND_PLATFORM MATCHES "GLFW3" AND BACKEND_RENDERER MATCHES "OpenGLES2")
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@ -599,6 +606,41 @@ if(BACKEND_PLATFORM MATCHES "SDL2" OR BACKEND_AUDIO MATCHES "SDL2")
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endif()
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endif()
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if(BACKEND_PLATFORM MATCHES "SDL1")
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find_package(SDL 1.2.15)
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if (PKG_CONFIG_FOUND)
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pkg_check_modules(sdl QUIET IMPORTED_TARGET sdl)
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endif()
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if(TARGET PkgConfig::sdl)
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# pkg-config
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if (PKG_CONFIG_STATIC_LIBS)
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message(STATUS "Using system SDL1 (pkg-config, static)")
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# Do not link libSDLmain.a, otherwise we get weird linker errors about SDL_main not being found.
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# We don't need SDL's WinMain->main shim anyway, so we can just ignore it.
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list(REMOVE_ITEM sdl_STATIC_CFLAGS "-Dmain=SDL_main")
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list(REMOVE_ITEM sdl_STATIC_LDFLAGS "-lSDLmain")
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target_compile_options(CSE2 PRIVATE ${sdl_STATIC_CFLAGS})
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target_link_libraries(CSE2 PRIVATE ${sdl_STATIC_LDFLAGS})
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else()
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message(STATUS "Using system SDL1 (pkg-config, dynamic)")
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# Do not link libSDLmain.a, otherwise we get weird linker errors about SDL_main not being found.
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# We don't need SDL's WinMain->main shim anyway, so we can just ignore it.
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list(REMOVE_ITEM sdl_CFLAGS "-Dmain=SDL_main")
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list(REMOVE_ITEM sdl_LDFLAGS "-lSDLmain")
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target_compile_options(CSE2 PRIVATE ${sdl_CFLAGS})
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target_link_libraries(CSE2 PRIVATE ${sdl_LDFLAGS})
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endif()
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elseif(SDL_FOUND)
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message(STATUS "Using system SDL1 (CMake)")
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target_include_directories(CSE2 PRIVATE ${SDL_INCLUDE_DIR})
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target_link_libraries(CSE2 PRIVATE ${SDL_LIBRARY})
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else()
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message(FATAL_ERROR "SDL1 not installed!")
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endif()
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endif()
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if(FREETYPE_FONTS)
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if(NOT FORCE_LOCAL_LIBS)
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find_package(Freetype)
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@ -6,7 +6,9 @@
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#include "SDL.h"
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#include "../Misc.h"
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#if SDL_VERSION_ATLEAST(2, 0, 0)
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#include "../Shared/SDL2.h"
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#endif
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#define DEADZONE 10000
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@ -126,6 +128,7 @@ bool ControllerBackend_GetJoystickStatus(bool **buttons, unsigned int *button_co
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return true;
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}
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#if SDL_VERSION_ATLEAST(2, 0, 0)
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void ControllerBackend_JoystickConnect(Sint32 joystick_id)
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{
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const char *joystick_name = SDL_JoystickNameForIndex(joystick_id);
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@ -199,3 +202,4 @@ void ControllerBackend_JoystickDisconnect(Sint32 joystick_id)
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free(axis_neutrals);
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}
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}
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#endif
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254
src/Backends/Platform/SDL1.cpp
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254
src/Backends/Platform/SDL1.cpp
Normal file
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@ -0,0 +1,254 @@
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#include "../Misc.h"
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string>
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#include "SDL.h"
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#include "../Rendering.h"
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#include "../../Main.h"
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#include "../../Organya.h"
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#include "../../Profile.h"
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#include "../../Resource.h"
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#define DO_KEY(SDL_KEY, BACKEND_KEY) \
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case SDL_KEY: \
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keyboard_state[BACKEND_KEY] = event.key.type == SDL_KEYDOWN; \
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break;
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static bool keyboard_state[BACKEND_KEYBOARD_TOTAL];
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bool Backend_Init(void)
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{
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if (SDL_Init(SDL_INIT_VIDEO) == 0)
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{
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char driver[20];
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if (SDL_VideoDriverName(driver, 20) != NULL)
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{
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Backend_PrintInfo("Selected SDL video driver: %s", driver);
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return true;
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}
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else
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{
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Backend_PrintError("No SDL video driver initialized!");
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SDL_Quit();
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}
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}
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else
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{
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std::string error_message = std::string("Could not initialise SDL: ") + SDL_GetError();
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Backend_ShowMessageBox("Fatal error", error_message.c_str());
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}
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return false;
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}
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void Backend_Deinit(void)
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{
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SDL_Quit();
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}
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void Backend_PostWindowCreation(void)
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{
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}
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bool Backend_GetBasePath(char *string_buffer)
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{
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return false;
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}
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void Backend_HideMouse(void)
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{
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SDL_ShowCursor(SDL_DISABLE);
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}
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void Backend_SetWindowIcon(const unsigned char *rgb_pixels, unsigned int width, unsigned int height)
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{
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SDL_Surface *surface = SDL_CreateRGBSurfaceFrom((void*)rgb_pixels, width, height, 24, width * 3, 0x0000FF, 0x00FF00, 0xFF0000, 0);
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if (surface != NULL)
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{
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SDL_WM_SetIcon(surface, NULL);
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SDL_FreeSurface(surface);
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}
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else
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{
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Backend_PrintError("Couldn't create RGB surface for window icon: %s", SDL_GetError());
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}
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}
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void Backend_SetCursor(const unsigned char *rgb_pixels, unsigned int width, unsigned int height)
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{
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(void)rgb_pixels;
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(void)width;
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(void)height;
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// SDL1 only supports black and white cursors
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}
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void PlaybackBackend_EnableDragAndDrop(void)
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{
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}
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bool Backend_SystemTask(bool active)
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{
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if (SDL_PollEvent(NULL) || !active)
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{
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SDL_Event event;
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if (!SDL_WaitEvent(&event))
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return false;
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switch (event.type)
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{
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case SDL_KEYUP:
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case SDL_KEYDOWN:
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switch (event.key.keysym.sym)
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{
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DO_KEY(SDLK_a, BACKEND_KEYBOARD_A)
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DO_KEY(SDLK_b, BACKEND_KEYBOARD_B)
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DO_KEY(SDLK_c, BACKEND_KEYBOARD_C)
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DO_KEY(SDLK_d, BACKEND_KEYBOARD_D)
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DO_KEY(SDLK_e, BACKEND_KEYBOARD_E)
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DO_KEY(SDLK_f, BACKEND_KEYBOARD_F)
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DO_KEY(SDLK_g, BACKEND_KEYBOARD_G)
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DO_KEY(SDLK_h, BACKEND_KEYBOARD_H)
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DO_KEY(SDLK_i, BACKEND_KEYBOARD_I)
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DO_KEY(SDLK_j, BACKEND_KEYBOARD_J)
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DO_KEY(SDLK_k, BACKEND_KEYBOARD_K)
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DO_KEY(SDLK_l, BACKEND_KEYBOARD_L)
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DO_KEY(SDLK_m, BACKEND_KEYBOARD_M)
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DO_KEY(SDLK_n, BACKEND_KEYBOARD_N)
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DO_KEY(SDLK_o, BACKEND_KEYBOARD_O)
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DO_KEY(SDLK_p, BACKEND_KEYBOARD_P)
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DO_KEY(SDLK_q, BACKEND_KEYBOARD_Q)
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DO_KEY(SDLK_r, BACKEND_KEYBOARD_R)
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DO_KEY(SDLK_s, BACKEND_KEYBOARD_S)
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DO_KEY(SDLK_t, BACKEND_KEYBOARD_T)
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DO_KEY(SDLK_u, BACKEND_KEYBOARD_U)
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DO_KEY(SDLK_v, BACKEND_KEYBOARD_V)
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DO_KEY(SDLK_w, BACKEND_KEYBOARD_W)
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DO_KEY(SDLK_x, BACKEND_KEYBOARD_X)
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DO_KEY(SDLK_y, BACKEND_KEYBOARD_Y)
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DO_KEY(SDLK_z, BACKEND_KEYBOARD_Z)
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DO_KEY(SDLK_0, BACKEND_KEYBOARD_0)
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DO_KEY(SDLK_1, BACKEND_KEYBOARD_1)
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DO_KEY(SDLK_2, BACKEND_KEYBOARD_2)
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DO_KEY(SDLK_3, BACKEND_KEYBOARD_3)
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DO_KEY(SDLK_4, BACKEND_KEYBOARD_4)
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DO_KEY(SDLK_5, BACKEND_KEYBOARD_5)
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DO_KEY(SDLK_6, BACKEND_KEYBOARD_6)
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DO_KEY(SDLK_7, BACKEND_KEYBOARD_7)
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DO_KEY(SDLK_8, BACKEND_KEYBOARD_8)
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DO_KEY(SDLK_9, BACKEND_KEYBOARD_9)
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DO_KEY(SDLK_F1, BACKEND_KEYBOARD_F1)
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DO_KEY(SDLK_F2, BACKEND_KEYBOARD_F2)
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DO_KEY(SDLK_F3, BACKEND_KEYBOARD_F3)
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DO_KEY(SDLK_F4, BACKEND_KEYBOARD_F4)
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DO_KEY(SDLK_F5, BACKEND_KEYBOARD_F5)
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DO_KEY(SDLK_F6, BACKEND_KEYBOARD_F6)
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DO_KEY(SDLK_F7, BACKEND_KEYBOARD_F7)
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DO_KEY(SDLK_F8, BACKEND_KEYBOARD_F8)
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DO_KEY(SDLK_F9, BACKEND_KEYBOARD_F9)
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DO_KEY(SDLK_F10, BACKEND_KEYBOARD_F10)
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DO_KEY(SDLK_F11, BACKEND_KEYBOARD_F11)
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DO_KEY(SDLK_F12, BACKEND_KEYBOARD_F12)
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DO_KEY(SDLK_UP, BACKEND_KEYBOARD_UP)
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DO_KEY(SDLK_DOWN, BACKEND_KEYBOARD_DOWN)
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DO_KEY(SDLK_LEFT, BACKEND_KEYBOARD_LEFT)
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DO_KEY(SDLK_RIGHT, BACKEND_KEYBOARD_RIGHT)
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DO_KEY(SDLK_ESCAPE, BACKEND_KEYBOARD_ESCAPE)
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DO_KEY(SDLK_BACKQUOTE, BACKEND_KEYBOARD_BACK_QUOTE)
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DO_KEY(SDLK_TAB, BACKEND_KEYBOARD_TAB)
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DO_KEY(SDLK_CAPSLOCK, BACKEND_KEYBOARD_CAPS_LOCK)
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DO_KEY(SDLK_LSHIFT, BACKEND_KEYBOARD_LEFT_SHIFT)
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DO_KEY(SDLK_LCTRL, BACKEND_KEYBOARD_LEFT_CTRL)
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DO_KEY(SDLK_LALT, BACKEND_KEYBOARD_LEFT_ALT)
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DO_KEY(SDLK_SPACE, BACKEND_KEYBOARD_SPACE)
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DO_KEY(SDLK_RALT, BACKEND_KEYBOARD_RIGHT_ALT)
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DO_KEY(SDLK_RCTRL, BACKEND_KEYBOARD_RIGHT_CTRL)
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DO_KEY(SDLK_RSHIFT, BACKEND_KEYBOARD_RIGHT_SHIFT)
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DO_KEY(SDLK_RETURN, BACKEND_KEYBOARD_ENTER)
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DO_KEY(SDLK_BACKSPACE, BACKEND_KEYBOARD_BACKSPACE)
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DO_KEY(SDLK_MINUS, BACKEND_KEYBOARD_MINUS)
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DO_KEY(SDLK_EQUALS, BACKEND_KEYBOARD_EQUALS)
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DO_KEY(SDLK_LEFTBRACKET, BACKEND_KEYBOARD_LEFT_BRACKET)
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DO_KEY(SDLK_RIGHTBRACKET, BACKEND_KEYBOARD_RIGHT_BRACKET)
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DO_KEY(SDLK_BACKSLASH, BACKEND_KEYBOARD_BACK_SLASH)
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DO_KEY(SDLK_SEMICOLON, BACKEND_KEYBOARD_SEMICOLON)
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DO_KEY(SDLK_QUOTE, BACKEND_KEYBOARD_APOSTROPHE)
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DO_KEY(SDLK_COMMA, BACKEND_KEYBOARD_COMMA)
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DO_KEY(SDLK_PERIOD, BACKEND_KEYBOARD_PERIOD)
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DO_KEY(SDLK_SLASH, BACKEND_KEYBOARD_FORWARD_SLASH)
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default:
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break;
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}
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break;
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case SDL_ACTIVEEVENT:
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if (event.active.state & SDL_APPINPUTFOCUS)
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{
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if (event.active.gain)
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ActiveWindow();
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else
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InactiveWindow();
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}
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break;
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case SDL_VIDEORESIZE:
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RenderBackend_HandleWindowResize(event.resize.w, event.resize.h);
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break;
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case SDL_QUIT:
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StopOrganyaMusic();
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return false;
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}
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}
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return true;
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}
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void Backend_GetKeyboardState(bool *out_keyboard_state)
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{
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memcpy(out_keyboard_state, keyboard_state, sizeof(keyboard_state));
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}
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void Backend_ShowMessageBox(const char *title, const char *message)
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{
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fprintf(stderr, "ShowMessageBox - '%s' - '%s'\n", title, message);
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}
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ATTRIBUTE_FORMAT_PRINTF(1, 2) void Backend_PrintError(const char *format, ...)
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{
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va_list argumentList;
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va_start(argumentList, format);
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fputs("ERROR: ", stderr);
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vfprintf(stderr, format, argumentList);
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fputc('\n', stderr);
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va_end(argumentList);
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}
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ATTRIBUTE_FORMAT_PRINTF(1, 2) void Backend_PrintInfo(const char *format, ...)
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{
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va_list argumentList;
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va_start(argumentList, format);
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fputs("INFO: ", stdout);
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vprintf(format, argumentList);
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putchar('\n');
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va_end(argumentList);
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}
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unsigned long Backend_GetTicks(void)
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{
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return SDL_GetTicks();
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}
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void Backend_Delay(unsigned int ticks)
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{
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SDL_Delay(ticks);
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}
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76
src/Backends/Rendering/Window/Software/SDL1.cpp
Normal file
76
src/Backends/Rendering/Window/Software/SDL1.cpp
Normal file
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@ -0,0 +1,76 @@
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#include "../Software.h"
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#include <stddef.h>
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#include <stdlib.h>
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#include <string>
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#include "SDL.h"
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#include "../../../Misc.h"
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static Uint32 window_flags = SDL_HWSURFACE | SDL_DOUBLEBUF;
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static SDL_Surface *window_sdlsurface;
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static SDL_Surface *framebuffer_sdlsurface;
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bool WindowBackend_Software_CreateWindow(const char *window_title, int screen_width, int screen_height, bool fullscreen)
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{
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if (fullscreen)
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window_flags |= SDL_FULLSCREEN;
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else
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window_flags &= ~SDL_FULLSCREEN;
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window_sdlsurface = SDL_SetVideoMode(screen_width, screen_height, 24, window_flags);
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if (window_sdlsurface != NULL)
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{
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SDL_WM_SetCaption(window_title, NULL);
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framebuffer_sdlsurface = SDL_CreateRGBSurface(SDL_SWSURFACE, window_sdlsurface->w, window_sdlsurface->h, 24, 0x0000FF, 0x00FF00, 0xFF0000, 0);
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if (framebuffer_sdlsurface != NULL)
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{
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Backend_PostWindowCreation();
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return true;
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}
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else
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{
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std::string error_message = std::string("Couldn't create framebuffer surface: ") + SDL_GetError();
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Backend_ShowMessageBox("Fatal error (software rendering backend)", error_message.c_str());
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}
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}
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else
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{
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std::string error_message = std::string("Couldn't create window: ") + SDL_GetError();
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Backend_ShowMessageBox("Fatal error (software rendering backend)", error_message.c_str());
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}
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return false;
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}
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|
||||
void WindowBackend_Software_DestroyWindow(void)
|
||||
{
|
||||
SDL_FreeSurface(framebuffer_sdlsurface);
|
||||
}
|
||||
|
||||
unsigned char* WindowBackend_Software_GetFramebuffer(size_t *pitch)
|
||||
{
|
||||
*pitch = framebuffer_sdlsurface->pitch;
|
||||
|
||||
return (unsigned char*)framebuffer_sdlsurface->pixels;
|
||||
}
|
||||
|
||||
void WindowBackend_Software_Display(void)
|
||||
{
|
||||
if (SDL_BlitSurface(framebuffer_sdlsurface, NULL, window_sdlsurface, NULL) < 0)
|
||||
Backend_PrintError("Couldn't blit framebuffer surface to window surface: %s", SDL_GetError());
|
||||
|
||||
if (SDL_Flip(window_sdlsurface) < 0)
|
||||
Backend_PrintError("Couldn't copy window surface to the screen: %s", SDL_GetError());
|
||||
}
|
||||
|
||||
void WindowBackend_Software_HandleWindowResize(unsigned int width, unsigned int height)
|
||||
{
|
||||
window_sdlsurface = SDL_SetVideoMode(width, height, 24, window_flags);
|
||||
if (window_sdlsurface == NULL)
|
||||
Backend_PrintError("Couldn't get SDL surface associated with window: %s", SDL_GetError());
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue