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Switch: Configurable fast forward cap

This commit is contained in:
Vicki Pfau 2018-09-19 16:23:41 -07:00
parent 35d2e0eee9
commit d3a018c35b
1 changed files with 34 additions and 11 deletions
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45
src/platform/switch/main.c
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@ -10,6 +10,7 @@
#include <mgba/internal/gba/input.h>
#include <mgba-util/gui.h>
#include <mgba-util/gui/font.h>
#include <mgba-util/gui/menu.h>
#include <switch.h>
#include <EGL/egl.h>
@ -19,7 +20,6 @@
#define SAMPLES 0x400
#define BUFFER_SIZE 0x1000
#define N_BUFFERS 4
#define FRAME_LIMIT 10
TimeType __nx_time_type = TimeType_UserSystemClock;
@ -79,7 +79,8 @@ static struct GBAStereoSample audioBuffer[N_BUFFERS][SAMPLES] __attribute__((__a
static AudioOutBuffer audoutBuffer[N_BUFFERS];
static int enqueuedBuffers;
static bool frameLimiter = true;
static int framecount = 0;
static unsigned framecount = 0;
static unsigned framecap = 10;
static bool initEgl() {
s_display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
@ -150,8 +151,9 @@ static void _drawStart(void) {
}
static void _drawEnd(void) {
if (frameLimiter || (framecount % FRAME_LIMIT) == 0) {
if (frameLimiter || framecount >= framecap) {
eglSwapBuffers(s_display, s_surface);
framecount = 0;
}
}
@ -198,6 +200,8 @@ static void _gameLoaded(struct mGUIRunner* runner) {
double ratio = GBAAudioCalculateRatio(1, 60.0, 1);
blip_set_rates(runner->core->getAudioChannel(runner->core, 0), runner->core->frequency(runner->core), samplerate * ratio);
blip_set_rates(runner->core->getAudioChannel(runner->core, 1), runner->core->frequency(runner->core), samplerate * ratio);
mCoreConfigGetUIntValue(&runner->config, "fastForwardCap", &framecap);
}
static void _drawTex(struct mGUIRunner* runner, unsigned width, unsigned height, bool faded) {
@ -233,11 +237,21 @@ static void _drawTex(struct mGUIRunner* runner, unsigned width, unsigned height,
glUseProgram(0);
}
static void _prepareForFrame(struct mGUIRunner* runner) {
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pbo);
frameBuffer = glMapBufferRange(GL_PIXEL_UNPACK_BUFFER, 0, 256 * 256 * 4, GL_MAP_WRITE_BIT);
if (frameBuffer) {
runner->core->setVideoBuffer(runner->core, frameBuffer, 256);
}
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
}
static void _drawFrame(struct mGUIRunner* runner, bool faded) {
++framecount;
if (!frameLimiter && (framecount % FRAME_LIMIT) != 0) {
if (!frameLimiter && framecount < framecap) {
return;
}
unsigned width, height;
runner->core->desiredVideoDimensions(runner->core, &width, &height);
@ -250,11 +264,6 @@ static void _drawFrame(struct mGUIRunner* runner, bool faded) {
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
_drawTex(runner, width, height, faded);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pbo);
frameBuffer = glMapBufferRange(GL_PIXEL_UNPACK_BUFFER, 0, 256 * 256 * 4, GL_MAP_WRITE_BIT);
runner->core->setVideoBuffer(runner->core, frameBuffer, 256);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
}
static void _drawScreenshot(struct mGUIRunner* runner, const color_t* pixels, unsigned width, unsigned height, bool faded) {
@ -475,12 +484,26 @@ int main(int argc, char* argv[]) {
},
{ .id = 0 }
},
.nConfigExtra = 0,
.configExtra = (struct GUIMenuItem[]) {
{
.title = "Fast forward cap",
.data = "fastForwardCap",
.submenu = 0,
.state = 7,
.validStates = (const char*[]) {
"3", "4", "5", "6", "7", "8", "9",
"10", "11", "12", "13", "14", "15",
"20", "30"
},
.nStates = 15
},
},
.nConfigExtra = 1,
.setup = _setup,
.teardown = NULL,
.gameLoaded = _gameLoaded,
.gameUnloaded = NULL,
.prepareForFrame = NULL,
.prepareForFrame = _prepareForFrame,
.drawFrame = _drawFrame,
.drawScreenshot = _drawScreenshot,
.paused = NULL,