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Add experimental 24bpp video mode

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This commit is contained in:
Stefanos Kornilios Mitsis Poiitidis
2025-03-28 21:56:51 +02:00
parent e97d96c6ad
commit 5ef077fa14
1 changed files with 46 additions and 19 deletions
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65
vendor/librw/src/dc/rwdc.cpp vendored
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@@ -1093,8 +1093,27 @@ chunked_vector<move_only_function<void()>> opCallbacks;
chunked_vector<move_only_function<void()>> blendCallbacks;
chunked_vector<move_only_function<void()>> ptCallbacks;
static const unsigned short VIDEO_MODES = 2;
static unsigned short VIDEO_MODE = 0;
static rw::VideoMode videoModes[VIDEO_MODES] = {
{ 640, 480, 16, VIDEOMODEEXCLUSIVE },
{ 640, 480, 24, VIDEOMODEEXCLUSIVE },
};
static pvr_init_params_t pvr_params = {
.opb_sizes = {
PVR_BINSIZE_16, PVR_BINSIZE_0, PVR_BINSIZE_8, PVR_BINSIZE_0,
PVR_BINSIZE_8
},
.autosort_disabled = true
};
void dcMotionBlur_v1(uint8_t a, uint8_t r, uint8_t g, uint8_t b) {
// not supported on 24 bpp
if (videoModes[VIDEO_MODE].depth == 24) {
return;
}
uint32_t col = (a << 24) | (r << 16) | (g << 8) | b;
blendCallbacks.emplace_back([=]() {
@@ -1204,6 +1223,11 @@ void dcMotionBlur_v1(uint8_t a, uint8_t r, uint8_t g, uint8_t b) {
}
void dcMotionBlur_v3(uint8_t a, uint8_t r, uint8_t g, uint8_t b) {
// not supported on 24 bpp
if (videoModes[VIDEO_MODE].depth == 24) {
return;
}
uint32_t alpha = a;
uint32_t col = (alpha * r / 255 << 16) | (alpha * g / 255 << 8) | alpha * b / 255;
uint32_t mask_col = ((255 - a) << 16) | ((255 - a) << 8) | (255 - a);
@@ -4977,14 +5001,6 @@ rasterToImage(Raster*)
return nil;
}
static pvr_init_params_t pvr_params = {
.opb_sizes = {
PVR_BINSIZE_16, PVR_BINSIZE_0, PVR_BINSIZE_8, PVR_BINSIZE_0,
PVR_BINSIZE_8
},
.autosort_disabled = true
};
int
deviceSystem(DeviceReq req, void *arg0, int32 n)
{
@@ -5014,10 +5030,10 @@ deviceSystem(DeviceReq req, void *arg0, int32 n)
case DEVICEGETVIDEOMODEINFO:{
auto rwmode = (VideoMode*)arg0;
rwmode->width = 640;
rwmode->height = 480;
rwmode->depth = 16;
rwmode->flags = VIDEOMODEEXCLUSIVE;
rwmode->width = videoModes[n].width;
rwmode->height = videoModes[n].height;
rwmode->depth = videoModes[n].depth;
rwmode->flags = videoModes[n].flags;
return 1;
}
case DEVICEGETMAXMULTISAMPLINGLEVELS:
@@ -5028,22 +5044,19 @@ deviceSystem(DeviceReq req, void *arg0, int32 n)
if (n == 1) {
VIDEO_MODE_SCALE_X = 1;
pvr_params.fsaa_enabled = 0;
pvr_params.vertex_buf_size = (1024 + 1024) * 1024;
pvr_params.opb_overflow_count = 7; // 268800 bytes
} else {
VIDEO_MODE_SCALE_X = 2;
pvr_params.fsaa_enabled = 1;
pvr_params.vertex_buf_size = (1024 + 768) * 1024;
pvr_params.opb_overflow_count = 4; // 307200 bytes
}
return 1;
case DEVICESETSUBSYSTEM:
return 1;
case DEVICEGETNUMVIDEOMODES:
return 1;
return VIDEO_MODES;
case DEVICEGETCURRENTVIDEOMODE:
return 0;
return VIDEO_MODE;
case DEVICESETVIDEOMODE:
VIDEO_MODE = n;
return 1;
default:
assert(0 && "not implemented");
@@ -5132,6 +5145,20 @@ driverOpen(void *o, int32, int32)
dbglog(DBG_CRITICAL, "ptCallbacks: %d per %d allocation\n", decltype(ptCallbacks)::chunk::item_count, decltype(atomicContexts)::chunk_size);
#endif
if (pvr_params.fsaa_enabled) {
pvr_params.vertex_buf_size = (1024 + 768) * 1024;
pvr_params.opb_overflow_count = 4; // 307200 bytes
} else {
pvr_params.vertex_buf_size = (1024 + 1024) * 1024;
pvr_params.opb_overflow_count = 7; // 268800 bytes
}
if (videoModes[VIDEO_MODE].depth == 24) {
pvr_params.vertex_buf_size -= 128 * 1024;
pvr_params.opb_overflow_count -= pvr_params.fsaa_enabled ? 1 : 2;
}
vid_set_mode(DM_640x480, videoModes[VIDEO_MODE].depth == 24 ? PM_RGB888P : PM_RGB565);
pvr_init(&pvr_params);
fake_tex = pvr_mem_malloc(sizeof(fake_tex_data));