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mgba
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Turbo mode

This commit is contained in:
Jeffrey Pfau 2013-04-23 22:32:15 -07:00
parent 190f9b41e6
commit 7c7e934dac
3 changed files with 19 additions and 2 deletions
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3
src/gba/gba-video.h
View File

@ -143,6 +143,9 @@ struct GBAVideoRenderer {
uint16_t* palette;
uint16_t* vram;
union GBAOAM* oam;
int framesPending;
int turbo;
};
struct GBAVideo {

8
src/gba/renderers/video-software.c
View File

@ -26,6 +26,9 @@ void GBAVideoSoftwareRendererCreate(struct GBAVideoSoftwareRenderer* renderer) {
renderer->d.drawScanline = GBAVideoSoftwareRendererDrawScanline;
renderer->d.finishFrame = GBAVideoSoftwareRendererFinishFrame;
renderer->d.turbo = 0;
renderer->d.framesPending = 0;
renderer->sortedBg[0] = &renderer->bg[0];
renderer->sortedBg[1] = &renderer->bg[1];
renderer->sortedBg[2] = &renderer->bg[2];
@ -170,7 +173,10 @@ static void GBAVideoSoftwareRendererFinishFrame(struct GBAVideoRenderer* rendere
struct GBAVideoSoftwareRenderer* softwareRenderer = (struct GBAVideoSoftwareRenderer*) renderer;
pthread_mutex_lock(&softwareRenderer->mutex);
pthread_cond_wait(&softwareRenderer->cond, &softwareRenderer->mutex);
renderer->framesPending++;
if (!renderer->turbo) {
pthread_cond_wait(&softwareRenderer->cond, &softwareRenderer->mutex);
}
pthread_mutex_unlock(&softwareRenderer->mutex);
}

10
src/main.c
View File

@ -110,8 +110,13 @@ static void _GBASDLRunloop(struct GBAThread* context, struct GLSoftwareRenderer*
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB5, 256, 256, 0, GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV, renderer->d.outputBuffer);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
SDL_GL_SwapBuffers();
pthread_mutex_lock(&renderer->d.mutex);
if (renderer->d.d.framesPending) {
--renderer->d.d.framesPending;
pthread_mutex_unlock(&renderer->d.mutex);
SDL_GL_SwapBuffers();
pthread_mutex_lock(&renderer->d.mutex);
}
pthread_cond_broadcast(&renderer->d.cond);
pthread_mutex_unlock(&renderer->d.mutex);
while (SDL_PollEvent(&event)) {
@ -168,6 +173,9 @@ static void _GBASDLHandleKeypress(struct GBAThread* context, const struct SDL_Ke
case SDLK_RIGHT:
key = GBA_KEY_RIGHT;
break;
case SDLK_TAB:
context->renderer->turbo = !context->renderer->turbo;
return;
default:
return;
}