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Add SDL2 support

This commit is contained in:
Jeffrey Pfau 2014-02-02 02:39:34 -08:00
parent 020aec4e7b
commit 02aec4fc65
3 changed files with 38 additions and 1 deletions
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17
src/platform/sdl/CMakeLists.txt
View File

@ -1,4 +1,19 @@
find_package(SDL 1.2 REQUIRED)
set(SDL_VERSION "2" CACHE STRING "Version of SDL to use (1.2 or 2)")
if (SDL_VERSION EQUAL "2")
include(FindPkgConfig)
pkg_search_module(SDL2 sdl2)
if (SDL2_FOUND)
set(SDL_INCLUDE_DIR ${SDL2_INCLUDE_DIRS})
set(SDL_LIBRARY ${SDL2_LIBRARIES})
set(SDLMAIN_LIBRARY "")
endif()
endif()
if(SDL_VERSION EQUAL "1.2" OR NOT SDL2_FOUND)
find_package(SDL 1.2 REQUIRED)
endif()
file(GLOB PLATFORM_SRC ${CMAKE_SOURCE_DIR}/src/platform/sdl/sdl-*.c)
set(PLATFORM_LIBRARY "${SDL_LIBRARY};${SDLMAIN_LIBRARY}")
include_directories(${CMAKE_SOURCE_DIR}/src/platform/sdl)

20
src/platform/sdl/gl-main.c
View File

@ -22,6 +22,9 @@ struct GLSoftwareRenderer {
struct GBAVideoSoftwareRenderer d;
struct GBASDLAudio audio;
struct GBASDLEvents events;
#if SDL_VERSION_ATLEAST(2, 0, 0)
SDL_Window* window;
#endif
int viewportWidth;
int viewportHeight;
@ -105,15 +108,25 @@ static int _GBASDLInit(struct GLSoftwareRenderer* renderer) {
GBASDLInitEvents(&renderer->events);
GBASDLInitAudio(&renderer->audio);
#if SDL_VERSION_ATLEAST(2, 0, 0)
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
#else
SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, 1);
#endif
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
#if SDL_VERSION_ATLEAST(2, 0, 0)
renderer->window = SDL_CreateWindow("GBAc", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, renderer->viewportWidth, renderer->viewportHeight, SDL_WINDOW_OPENGL);
SDL_GL_CreateContext(renderer->window);
SDL_GetWindowSize(renderer->window, &renderer->viewportWidth, &renderer->viewportHeight);
#else
#ifdef COLOR_16_BIT
SDL_SetVideoMode(renderer->viewportWidth, renderer->viewportHeight, 16, SDL_OPENGL);
#else
SDL_SetVideoMode(renderer->viewportWidth, renderer->viewportHeight, 32, SDL_OPENGL);
#endif
#endif
renderer->d.outputBuffer = malloc(256 * 256 * 4);
@ -158,7 +171,11 @@ static void _GBASDLRunloop(struct GBAThread* context, struct GLSoftwareRenderer*
}
}
GBASyncWaitFrameEnd(&context->sync);
#if SDL_VERSION_ATLEAST(2, 0, 0)
SDL_GL_SwapWindow(renderer->window);
#else
SDL_GL_SwapBuffers();
#endif
while (SDL_PollEvent(&event)) {
GBASDLHandleEvent(context, &event);
@ -171,6 +188,9 @@ static void _GBASDLDeinit(struct GLSoftwareRenderer* renderer) {
GBASDLDeinitEvents(&renderer->events);
GBASDLDeinitAudio(&renderer->audio);
#if SDL_VERSION_ATLEAST(2, 0, 0)
SDL_DestroyWindow(renderer->window);
#endif
SDL_Quit();
}

2
src/platform/sdl/sdl-events.c
View File

@ -11,7 +11,9 @@ int GBASDLInitEvents(struct GBASDLEvents* context) {
}
SDL_JoystickEventState(SDL_ENABLE);
context->joystick = SDL_JoystickOpen(0);
#if !SDL_VERSION_ATLEAST(2, 0, 0)
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
#endif
return 1;
}