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3DS: Support camera

This commit is contained in:
Vicki Pfau 2017-07-27 15:11:37 -07:00
parent 8a3d54c769
commit 22400e336f
1 changed files with 147 additions and 6 deletions
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153
src/platform/3ds/main.c
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@ -27,6 +27,9 @@
#include <3ds.h>
#include <3ds/gpu/gx.h>
mLOG_DECLARE_CATEGORY(GUI_3DS);
mLOG_DEFINE_CATEGORY(GUI_3DS, "3DS", "gui.3ds");
static enum ScreenMode {
SM_PA_BOTTOM,
SM_AF_BOTTOM,
@ -58,12 +61,21 @@ static enum DarkenMode {
#define AUDIO_SAMPLE_BUFFER (AUDIO_SAMPLES * 16)
#define DSP_BUFFERS 4
static struct GBA3DSRotationSource {
static struct m3DSRotationSource {
struct mRotationSource d;
accelVector accel;
angularRate gyro;
} rotation;
static struct m3DSImageSource {
struct mImageSource d;
Handle handles[2];
u32 bufferSize;
u32 transferSize;
void* buffer;
unsigned cam;
} camera;
static enum {
NO_SOUND,
DSP_SUPPORTED,
@ -128,6 +140,7 @@ static void _cleanup(void) {
ndspExit();
}
camExit();
csndExit();
ptmuExit();
}
@ -234,6 +247,19 @@ static void _guiFinish(void) {
ctrFlushBatch();
}
static void _resetCamera(struct m3DSImageSource* imageSource) {
if (!imageSource->cam) {
return;
}
CAMU_SetSize(imageSource->cam, SIZE_QCIF, CONTEXT_A);
CAMU_SetOutputFormat(imageSource->cam, OUTPUT_RGB_565, CONTEXT_A);
CAMU_SetFrameRate(imageSource->cam, FRAME_RATE_30);
CAMU_SetNoiseFilter(imageSource->cam, true);
CAMU_SetAutoExposure(imageSource->cam, false);
CAMU_SetAutoWhiteBalance(imageSource->cam, false);
}
static void _setup(struct mGUIRunner* runner) {
bool isNew3DS = false;
APT_CheckNew3DS(&isNew3DS);
@ -243,6 +269,7 @@ static void _setup(struct mGUIRunner* runner) {
}
runner->core->setPeripheral(runner->core, mPERIPH_ROTATION, &rotation.d);
runner->core->setPeripheral(runner->core, mPERIPH_IMAGE_SOURCE, &camera.d);
if (hasSound != NO_SOUND) {
runner->core->setAVStream(runner->core, &stream);
}
@ -284,6 +311,7 @@ static void _setup(struct mGUIRunner* runner) {
static void _gameLoaded(struct mGUIRunner* runner) {
switch (runner->core->platform(runner->core)) {
#ifdef M_CORE_GBA
// TODO: Move these to callbacks
case PLATFORM_GBA:
if (((struct GBA*) runner->core->board)->memory.hw.devices & HW_TILT) {
HIDUSER_EnableAccelerometer();
@ -334,6 +362,27 @@ static void _gameLoaded(struct mGUIRunner* runner) {
if (mCoreConfigGetUIntValue(&runner->config, "darkenMode", &mode) && mode < DM_MAX) {
darkenMode = mode;
}
if (mCoreConfigGetUIntValue(&runner->config, "camera", &mode)) {
switch (mode) {
case 0:
default:
mode = SELECT_NONE;
break;
case 1:
mode = SELECT_IN1;
break;
case 2:
mode = SELECT_OUT1;
break;
}
if (mode != camera.cam) {
camera.cam = mode;
if (camera.buffer) {
_resetCamera(&camera);
CAMU_Activate(camera.cam);
}
}
}
}
static void _gameUnloaded(struct mGUIRunner* runner) {
@ -347,6 +396,7 @@ static void _gameUnloaded(struct mGUIRunner* runner) {
switch (runner->core->platform(runner->core)) {
#ifdef M_CORE_GBA
// TODO: Move these to callbacks
case PLATFORM_GBA:
if (((struct GBA*) runner->core->board)->memory.hw.devices & HW_TILT) {
HIDUSER_DisableAccelerometer();
@ -600,27 +650,97 @@ static enum GUICursorState _pollCursor(unsigned* x, unsigned* y) {
}
static void _sampleRotation(struct mRotationSource* source) {
struct GBA3DSRotationSource* rotation = (struct GBA3DSRotationSource*) source;
struct m3DSRotationSource* rotation = (struct m3DSRotationSource*) source;
// Work around ctrulib getting the entries wrong
rotation->accel = *(accelVector*) &hidSharedMem[0x48];
rotation->gyro = *(angularRate*) &hidSharedMem[0x5C];
}
static int32_t _readTiltX(struct mRotationSource* source) {
struct GBA3DSRotationSource* rotation = (struct GBA3DSRotationSource*) source;
struct m3DSRotationSource* rotation = (struct m3DSRotationSource*) source;
return rotation->accel.x << 18L;
}
static int32_t _readTiltY(struct mRotationSource* source) {
struct GBA3DSRotationSource* rotation = (struct GBA3DSRotationSource*) source;
struct m3DSRotationSource* rotation = (struct m3DSRotationSource*) source;
return rotation->accel.y << 18L;
}
static int32_t _readGyroZ(struct mRotationSource* source) {
struct GBA3DSRotationSource* rotation = (struct GBA3DSRotationSource*) source;
struct m3DSRotationSource* rotation = (struct m3DSRotationSource*) source;
return rotation->gyro.y << 18L; // Yes, y
}
static void _startRequestImage(struct mImageSource* source, unsigned w, unsigned h, int colorFormats) {
UNUSED(colorFormats);
struct m3DSImageSource* imageSource = (struct m3DSImageSource*) source;
_resetCamera(imageSource);
CAMU_SetTrimming(PORT_CAM1, true);
CAMU_SetTrimmingParamsCenter(PORT_CAM1, w, h, 176, 144);
CAMU_GetBufferErrorInterruptEvent(&imageSource->handles[1], PORT_CAM1);
if (imageSource->bufferSize != w * h * 2 && imageSource->buffer) {
free(imageSource->buffer);
imageSource->buffer = NULL;
}
imageSource->bufferSize = w * h * 2;
if (!imageSource->buffer) {
imageSource->buffer = malloc(imageSource->bufferSize);
}
CAMU_GetMaxBytes(&imageSource->transferSize, w, h);
CAMU_SetTransferBytes(PORT_CAM1, imageSource->transferSize, w, h);
CAMU_Activate(imageSource->cam);
CAMU_ClearBuffer(PORT_CAM1);
CAMU_StartCapture(PORT_CAM1);
CAMU_PlayShutterSound(SHUTTER_SOUND_TYPE_MOVIE);
if (imageSource->cam) {
CAMU_SetReceiving(&imageSource->handles[0], imageSource->buffer, PORT_CAM1, imageSource->bufferSize, imageSource->transferSize);
}
}
static void _stopRequestImage(struct mImageSource* source) {
struct m3DSImageSource* imageSource = (struct m3DSImageSource*) source;
free(imageSource->buffer);
imageSource->buffer = NULL;
svcCloseHandle(imageSource->handles[0]);
svcCloseHandle(imageSource->handles[1]);
CAMU_StopCapture(PORT_CAM1);
CAMU_Activate(SELECT_NONE);
}
static void _requestImage(struct mImageSource* source, const void** buffer, size_t* stride, enum mColorFormat* colorFormat) {
struct m3DSImageSource* imageSource = (struct m3DSImageSource*) source;
if (!imageSource->cam) {
memset(imageSource->buffer, 0, imageSource->bufferSize);
*buffer = imageSource->buffer;
*stride = 128;
*colorFormat = mCOLOR_RGB565;
return;
}
s32 i;
svcWaitSynchronizationN(&i, imageSource->handles, 2, false, U64_MAX);
if (i == 0) {
*buffer = imageSource->buffer;
*stride = 128;
*colorFormat = mCOLOR_RGB565;
} else {
CAMU_ClearBuffer(PORT_CAM1);
CAMU_StartCapture(PORT_CAM1);
}
svcCloseHandle(imageSource->handles[0]);
CAMU_SetReceiving(&imageSource->handles[0], imageSource->buffer, PORT_CAM1, imageSource->bufferSize, imageSource->transferSize);
}
static void _postAudioBuffer(struct mAVStream* stream, blip_t* left, blip_t* right) {
UNUSED(stream);
if (hasSound == CSND_SUPPORTED) {
@ -670,6 +790,13 @@ int main() {
stream.postAudioFrame = 0;
stream.postAudioBuffer = _postAudioBuffer;
camera.d.startRequestImage = _startRequestImage;
camera.d.stopRequestImage = _stopRequestImage;
camera.d.requestImage = _requestImage;
camera.buffer = NULL;
camera.bufferSize = 0;
camera.cam = SELECT_IN1;
if (!allocateRomBuffer()) {
return 1;
}
@ -677,6 +804,8 @@ int main() {
aptHook(&cookie, _aptHook, 0);
ptmuInit();
camInit();
hasSound = NO_SOUND;
if (!ndspInit()) {
hasSound = DSP_SUPPORTED;
@ -819,9 +948,21 @@ int main() {
"Grayed",
},
.nStates = 4
},
{
.title = "Camera",
.data = "camera",
.submenu = 0,
.state = 1,
.validStates = (const char*[]) {
"None",
"Inner",
"Outer",
},
.nStates = 3
}
},
.nConfigExtra = 3,
.nConfigExtra = 4,
.setup = _setup,
.teardown = 0,
.gameLoaded = _gameLoaded,