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Start porting sw-main to SDL2

This commit is contained in:
Jeffrey Pfau 2014-04-25 03:34:03 -07:00
parent 82f3a45888
commit 7e90eb2631
1 changed files with 51 additions and 0 deletions
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51
src/platform/sdl/sw-main.c
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@ -22,6 +22,13 @@ struct SoftwareRenderer {
struct GBAVideoSoftwareRenderer d;
struct GBASDLAudio audio;
struct GBASDLEvents events;
#if SDL_VERSION_ATLEAST(2, 0, 0)
SDL_Window* window;
SDL_Texture* tex;
SDL_Renderer* sdlRenderer;
int viewportWidth;
int viewportHeight;
#endif
};
static int _GBASDLInit(struct SoftwareRenderer* renderer);
@ -57,6 +64,31 @@ int main(int argc, char** argv) {
GBAMapOptionsToContext(&opts, &context);
#if SDL_VERSION_ATLEAST(2, 0, 0)
renderer.viewportWidth = opts.width;
renderer.viewportHeight = opts.height;
renderer.window = SDL_CreateWindow("GBAc", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, renderer.viewportWidth, renderer.viewportHeight, SDL_WINDOW_OPENGL | (SDL_WINDOW_FULLSCREEN_DESKTOP * renderer.events.fullscreen));
SDL_GetWindowSize(renderer.window, &renderer.viewportWidth, &renderer.viewportHeight);
renderer.events.window = renderer.window;
renderer.events.fullscreen = 0;
renderer.sdlRenderer = SDL_CreateRenderer(renderer.window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
#ifdef COLOR_16_BIT
#ifdef COLOR_5_6_5
renderer.tex = SDL_CreateTexture(renderer.sdlRenderer, SDL_PIXELFORMAT_RGB565, SDL_TEXTUREACCESS_STREAMING, VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
#else
renderer.tex = SDL_CreateTexture(renderer.sdlRenderer, SDL_PIXELFORMAT_ABGR1555, SDL_TEXTUREACCESS_STREAMING, VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
#endif
#else
renderer.tex = SDL_CreateTexture(renderer.sdlRenderer, SDL_PIXELFORMAT_ABGR8888, SDL_TEXTUREACCESS_STREAMING, VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
#endif
SDL_LockTexture(renderer.tex, 0, &renderer.d.outputBuffer, &renderer.d.outputBufferStride);
#ifdef COLOR_16_BIT
renderer.d.outputBufferStride /= 2;
#else
renderer.d.outputBufferStride /= 4;
#endif
#else
SDL_Surface* surface = SDL_GetVideoSurface();
SDL_LockSurface(surface);
renderer.d.outputBuffer = surface->pixels;
@ -64,13 +96,16 @@ int main(int argc, char** argv) {
renderer.d.outputBufferStride = surface->pitch / 2;
#else
renderer.d.outputBufferStride = surface->pitch / 4;
#endif
#endif
GBAThreadStart(&context);
_GBASDLRunloop(&context, &renderer);
#if !SDL_VERSION_ATLEAST(2, 0, 0)
SDL_UnlockSurface(surface);
#endif
GBAThreadJoin(&context);
close(opts.fd);
if (opts.biosFd >= 0) {
@ -91,10 +126,12 @@ static int _GBASDLInit(struct SoftwareRenderer* renderer) {
GBASDLInitEvents(&renderer->events);
GBASDLInitAudio(&renderer->audio);
#if !SDL_VERSION_ATLEAST(2, 0, 0)
#ifdef COLOR_16_BIT
SDL_SetVideoMode(240, 160, 16, SDL_DOUBLEBUF | SDL_HWSURFACE);
#else
SDL_SetVideoMode(240, 160, 32, SDL_DOUBLEBUF | SDL_HWSURFACE);
#endif
#endif
return 1;
@ -102,13 +139,27 @@ static int _GBASDLInit(struct SoftwareRenderer* renderer) {
static void _GBASDLRunloop(struct GBAThread* context, struct SoftwareRenderer* renderer) {
SDL_Event event;
#if !SDL_VERSION_ATLEAST(2, 0, 0)
SDL_Surface* surface = SDL_GetVideoSurface();
#endif
while (context->state < THREAD_EXITING) {
if (GBASyncWaitFrameStart(&context->sync, context->frameskip)) {
#if SDL_VERSION_ATLEAST(2, 0, 0)
SDL_UnlockTexture(renderer->tex);
SDL_RenderCopy(renderer->sdlRenderer, renderer->tex, 0, 0);
SDL_RenderPresent(renderer->sdlRenderer);
SDL_LockTexture(renderer->tex, 0, &renderer->d.outputBuffer, &renderer->d.outputBufferStride);
#ifdef COLOR_16_BIT
renderer->d.outputBufferStride /= 2;
#else
renderer->d.outputBufferStride /= 4;
#endif
#else
SDL_UnlockSurface(surface);
SDL_Flip(surface);
SDL_LockSurface(surface);
#endif
}
GBASyncWaitFrameEnd(&context->sync);