pandory500/redquark-amiberry-rb
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redquark-amiberry-rb/src/osdep/amiberry_gfx.cpp

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#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdio.h>
#include <cmath>
#include "sysdeps.h"
#include "uae.h"
#include "options.h"
#include "custom.h"
#include "xwin.h"
#include "drawing.h"
#include "savestate.h"
#include "picasso96.h"
#include "amiberry_gfx.h"
#include <png.h>
#include "inputdevice.h"
#if 0
#ifdef ANDROID
#include <SDL_screenkeyboard.h>
#endif
#endif
#ifdef USE_DISPMANX
#include "threaddep/thread.h"
static uae_thread_id display_tid = nullptr;
static smp_comm_pipe *volatile display_pipe = nullptr;
static uae_sem_t display_sem = nullptr;
static bool volatile display_thread_busy = false;
static unsigned int current_vsync_frame = 0;
unsigned long time_per_frame = 20000; // Default for PAL (50 Hz): 20000 microsecs
static int vsync_modulo = 1;
#endif
/* SDL Surface for output of emulation */
SDL_DisplayMode sdlMode;
SDL_Surface* screen = nullptr;
SDL_Texture* texture;
SDL_Rect renderQuad;
SDL_Thread * renderthread = nullptr;
SDL_Renderer* renderer;
const char* sdl_video_driver;
#ifdef ANDROID
#include <android/log.h>
#endif
static int display_width;
static int display_height;
int window_width = 800, window_height = 600;
bool can_have_linedouble;
static unsigned long last_synctime;
static int host_hz = 50;
/* Possible screen modes (x and y resolutions) */
#define MAX_SCREEN_MODES 14
static int x_size_table[MAX_SCREEN_MODES] = { 640, 640, 720, 800, 800, 960, 1024, 1280, 1280, 1280, 1360, 1366, 1680, 1920 };
static int y_size_table[MAX_SCREEN_MODES] = { 400, 480, 400, 480, 600, 540, 768, 720, 800, 1024, 768, 768, 1050, 1080 };
struct PicassoResolution* DisplayModes;
struct MultiDisplay Displays[MAX_DISPLAYS];
int screen_is_picasso = 0;
static SDL_Surface* current_screenshot = nullptr;
static char screenshot_filename_default[MAX_DPATH] =
{
'/', 't', 'm', 'p', '/', 'n', 'u', 'l', 'l', '.', 'p', 'n', 'g', '\0'
};
char* screenshot_filename = static_cast<char *>(&screenshot_filename_default[0]);
FILE* screenshot_file = nullptr;
static void create_screenshot();
static int save_thumb(char* path);
int delay_savestate_frame = 0;
#ifdef USE_DISPMANX
static unsigned long next_synctime = 0;
DISPMANX_DISPLAY_HANDLE_T displayHandle;
DISPMANX_MODEINFO_T modeInfo;
DISPMANX_RESOURCE_HANDLE_T amigafb_resource_1 = 0;
DISPMANX_RESOURCE_HANDLE_T amigafb_resource_2 = 0;
DISPMANX_RESOURCE_HANDLE_T blackfb_resource = 0;
DISPMANX_ELEMENT_HANDLE_T elementHandle;
DISPMANX_ELEMENT_HANDLE_T blackscreen_element;
DISPMANX_UPDATE_HANDLE_T updateHandle;
VC_RECT_T src_rect;
VC_RECT_T dst_rect;
VC_RECT_T blit_rect;
VC_RECT_T black_rect;
VC_IMAGE_TYPE_T rgb_mode = VC_IMAGE_RGB565;
static int DispManXElementpresent = 0;
static unsigned char current_resource_amigafb = 0;
static volatile uae_atomic vsync_counter = 0;
void vsync_callback(unsigned int a, void* b)
{
atomic_inc(&vsync_counter);
}
static int display_thread(void *unused)
{
VC_DISPMANX_ALPHA_T alpha = {
DISPMANX_FLAGS_ALPHA_T(DISPMANX_FLAGS_ALPHA_FROM_SOURCE | DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS),
255, 0
};
uint32_t vc_image_ptr;
int width, height, depth;
SDL_Rect viewport;
for (;;) {
display_thread_busy = false;
auto signal = read_comm_pipe_u32_blocking(display_pipe);
display_thread_busy = true;
switch (signal) {
case DISPLAY_SIGNAL_SETUP:
vc_dispmanx_vsync_callback(displayHandle, vsync_callback, nullptr);
break;
case DISPLAY_SIGNAL_SUBSHUTDOWN:
if (DispManXElementpresent == 1)
{
DispManXElementpresent = 0;
updateHandle = vc_dispmanx_update_start(0);
vc_dispmanx_element_remove(updateHandle, elementHandle);
elementHandle = 0;
vc_dispmanx_element_remove(updateHandle, blackscreen_element);
blackscreen_element = 0;
vc_dispmanx_update_submit_sync(updateHandle);
}
if (amigafb_resource_1) {
vc_dispmanx_resource_delete(amigafb_resource_1);
amigafb_resource_1 = 0;
}
if (amigafb_resource_2) {
vc_dispmanx_resource_delete(amigafb_resource_2);
amigafb_resource_2 = 0;
}
if (blackfb_resource)
{
vc_dispmanx_resource_delete(blackfb_resource);
blackfb_resource = 0;
}
uae_sem_post(&display_sem);
break;
case DISPLAY_SIGNAL_OPEN:
width = display_width;
height = display_height;
if (screen_is_picasso)
{
if (picasso96_state.RGBFormat == RGBFB_R5G6B5
|| picasso96_state.RGBFormat == RGBFB_R5G6B5PC
|| picasso96_state.RGBFormat == RGBFB_CLUT)
{
depth = 16;
rgb_mode = VC_IMAGE_RGB565;
}
else
{
depth = 32;
rgb_mode = VC_IMAGE_RGBA32;
}
}
else
{
depth = 16;
rgb_mode = VC_IMAGE_RGB565;
}
if (!screen)
screen = SDL_CreateRGBSurface(0, display_width, display_height, depth, 0, 0, 0, 0);
displayHandle = vc_dispmanx_display_open(0);
if (!amigafb_resource_1)
amigafb_resource_1 = vc_dispmanx_resource_create(rgb_mode, width, height, &vc_image_ptr);
if (!amigafb_resource_2)
amigafb_resource_2 = vc_dispmanx_resource_create(rgb_mode, width, height, &vc_image_ptr);
if (!blackfb_resource)
blackfb_resource = vc_dispmanx_resource_create(rgb_mode, width, height, &vc_image_ptr);
vc_dispmanx_rect_set(&blit_rect, 0, 0, width, height);
vc_dispmanx_resource_write_data(amigafb_resource_1, rgb_mode, screen->pitch, screen->pixels, &blit_rect);
vc_dispmanx_resource_write_data(blackfb_resource, rgb_mode, screen->pitch, screen->pixels, &blit_rect);
vc_dispmanx_rect_set(&src_rect, 0, 0, width << 16, height << 16);
// Use the full screen size for the black frame
vc_dispmanx_rect_set(&black_rect, 0, 0, modeInfo.width, modeInfo.height);
// Correct Aspect Ratio
if (changed_prefs.gfx_correct_aspect == 0)
{
// Fullscreen.
vc_dispmanx_rect_set(&dst_rect, 0, 0, modeInfo.width, modeInfo.height);
}
else
{
if (screen_is_picasso)
{
width = display_width;
height = display_height;
}
else
{
width = display_width * 2 >> changed_prefs.gfx_resolution;
height = display_height * 2 >> changed_prefs.gfx_vresolution;
}
const auto want_aspect = float(width) / float(height);
const auto real_aspect = float(modeInfo.width) / float(modeInfo.height);
if (want_aspect > real_aspect)
{
const auto scale = float(modeInfo.width) / float(width);
viewport.x = 0;
viewport.w = modeInfo.width;
viewport.h = int(std::ceil(height * scale));
viewport.y = (modeInfo.height - viewport.h) / 2;
}
else
{
const auto scale = float(modeInfo.height) / float(height);
viewport.y = 0;
viewport.h = modeInfo.height;
viewport.w = int(std::ceil(width * scale));
viewport.x = (modeInfo.width - viewport.w) / 2;
}
vc_dispmanx_rect_set(&dst_rect, viewport.x, viewport.y, viewport.w, viewport.h);
}
if (DispManXElementpresent == 0)
{
DispManXElementpresent = 1;
updateHandle = vc_dispmanx_update_start(0);
blackscreen_element = vc_dispmanx_element_add(updateHandle, displayHandle, 0,
&black_rect, blackfb_resource, &src_rect, DISPMANX_PROTECTION_NONE, &alpha,
nullptr, DISPMANX_NO_ROTATE);
elementHandle = vc_dispmanx_element_add(updateHandle, displayHandle, 2, // layer
&dst_rect, amigafb_resource_1, &src_rect, DISPMANX_PROTECTION_NONE, &alpha,
nullptr, // clamp
DISPMANX_NO_ROTATE);
vc_dispmanx_update_submit(updateHandle, nullptr, nullptr);
}
uae_sem_post(&display_sem);
break;
case DISPLAY_SIGNAL_SHOW:
if (current_resource_amigafb == 1)
{
current_resource_amigafb = 0;
vc_dispmanx_resource_write_data(amigafb_resource_1,
rgb_mode,
screen->pitch,
screen->pixels,
&blit_rect);
updateHandle = vc_dispmanx_update_start(0);
vc_dispmanx_element_change_source(updateHandle, elementHandle, amigafb_resource_1);
}
else
{
current_resource_amigafb = 1;
vc_dispmanx_resource_write_data(amigafb_resource_2,
rgb_mode,
screen->pitch,
screen->pixels,
&blit_rect);
updateHandle = vc_dispmanx_update_start(0);
vc_dispmanx_element_change_source(updateHandle, elementHandle, amigafb_resource_2);
}
vc_dispmanx_update_submit(updateHandle, nullptr, nullptr);
break;
case DISPLAY_SIGNAL_QUIT:
vc_dispmanx_vsync_callback(displayHandle, nullptr, nullptr);
vc_dispmanx_display_close(displayHandle);
display_tid = nullptr;
return 0;
default:
break;
}
}
return 0;
}
#endif
int graphics_setup(void)
{
#ifdef PICASSO96
picasso_init_resolutions();
InitPicasso96();
#endif
#ifdef USE_DISPMANX
bcm_host_init();
displayHandle = vc_dispmanx_display_open(0);
vc_dispmanx_display_get_info(displayHandle, &modeInfo);
can_have_linedouble = modeInfo.height >= 540;
VCHI_INSTANCE_T vchi_instance;
VCHI_CONNECTION_T* vchi_connection;
TV_DISPLAY_STATE_T tvstate;
if (vchi_initialise(&vchi_instance) == 0) {
if (vchi_connect(nullptr, 0, vchi_instance) == 0)
{
vc_vchi_tv_init(vchi_instance, &vchi_connection, 1);
if (vc_tv_get_display_state(&tvstate) == 0)
{
HDMI_PROPERTY_PARAM_T property;
property.property = HDMI_PROPERTY_PIXEL_CLOCK_TYPE;
vc_tv_hdmi_get_property(&property);
const auto frame_rate = property.param1 == HDMI_PIXEL_CLOCK_TYPE_NTSC ? tvstate.display.hdmi.frame_rate * (1000.0f / 1001.0f) : tvstate.display.hdmi.frame_rate;
host_hz = int(frame_rate);
}
vc_vchi_tv_stop();
vchi_disconnect(vchi_instance);
}
}
if (sdl_window == nullptr)
{
sdl_window = SDL_CreateWindow("Amiberry",
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
0,
0,
SDL_WINDOW_FULLSCREEN_DESKTOP);
check_error_sdl(sdl_window == nullptr, "Unable to create window");
}
#else
write_log("Trying to get Current Video Driver...\n");
sdl_video_driver = SDL_GetCurrentVideoDriver();
SDL_DisplayMode current_mode;
const auto should_be_zero = SDL_GetCurrentDisplayMode(0, &current_mode);
if (should_be_zero == 0)
{
write_log("Current Display mode: bpp %i\t%s\t%i x %i\t%iHz\n", SDL_BITSPERPIXEL(current_mode.format), SDL_GetPixelFormatName(current_mode.format), current_mode.w, current_mode.h, current_mode.refresh_rate);
host_hz = current_mode.refresh_rate;
can_have_linedouble = current_mode.h >= 540;
}
Uint32 sdl_window_mode;
if (sdl_video_driver != nullptr && strcmp(sdl_video_driver,"x11") == 0
&& current_mode.w >= 800 && current_mode.h >= 600)
{
// Only enable Windowed mode if we're running under x11 and the resolution is at least 800x600
sdl_window_mode = SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE;
}
else
{
// otherwise go for Fullscreen
sdl_window_mode = SDL_WINDOW_FULLSCREEN_DESKTOP;
}
write_log("Trying to create window...\n");
if (sdl_window == nullptr)
{
if (rotation_angle != 0 && rotation_angle != 180)
{
sdl_window = SDL_CreateWindow("Amiberry",
SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED,
window_height,
window_width,
sdl_window_mode);
}
else
{
sdl_window = SDL_CreateWindow("Amiberry",
SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED,
window_width,
window_height,
sdl_window_mode);
}
check_error_sdl(sdl_window == nullptr, "Unable to create window:");
}
SDL_ShowCursor(SDL_DISABLE);
#endif
if (renderer == nullptr)
{
renderer = SDL_CreateRenderer(sdl_window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
check_error_sdl(renderer == nullptr, "Unable to create a renderer:");
}
if (SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1") != SDL_TRUE)
write_log("SDL could not grab the keyboard");
currprefs.gfx_apmode[1].gfx_refreshrate = host_hz;
#ifdef USE_DISPMANX
if (display_pipe == nullptr) {
display_pipe = xmalloc(smp_comm_pipe, 1);
init_comm_pipe(display_pipe, 20, 1);
}
if (display_sem == nullptr) {
uae_sem_init(&display_sem, 0, 0);
}
if (display_tid == nullptr && display_pipe != nullptr && display_sem != nullptr) {
uae_start_thread(_T("render"), display_thread, nullptr, &display_tid);
}
write_comm_pipe_u32(display_pipe, DISPLAY_SIGNAL_SETUP, 1);
#endif
return 1;
}
void toggle_fullscreen()
{
#ifdef USE_DISPMANX
#else
const Uint32 fullscreen_flag = SDL_WINDOW_FULLSCREEN_DESKTOP;
if (sdl_window)
{
const bool is_fullscreen = SDL_GetWindowFlags(sdl_window) & fullscreen_flag;
SDL_SetWindowFullscreen(sdl_window, is_fullscreen ? 0 : fullscreen_flag);
SDL_ShowCursor(is_fullscreen);
}
#endif
}
#ifdef USE_DISPMANX
static void wait_for_display_thread(void)
{
while (display_thread_busy)
usleep(10);
}
#endif
void allocsoftbuffer(struct uae_prefs* p)
{
/* Initialize structure for Amiga video modes */
auto ad = &adisplays;
ad->gfxvidinfo.drawbuffer.pixbytes = screen->format->BytesPerPixel;
ad->gfxvidinfo.drawbuffer.width_allocated = screen->w;
ad->gfxvidinfo.drawbuffer.height_allocated = screen->h;
ad->gfxvidinfo.drawbuffer.bufmem = static_cast<uae_u8*>(screen->pixels);
ad->gfxvidinfo.drawbuffer.rowbytes = screen->pitch;
}
void graphics_subshutdown()
{
#ifdef USE_DISPMANX
if (display_tid != nullptr) {
wait_for_display_thread();
write_comm_pipe_u32(display_pipe, DISPLAY_SIGNAL_SUBSHUTDOWN, 1);
uae_sem_wait(&display_sem);
}
#else
if (renderthread)
{
SDL_WaitThread(renderthread, NULL);
renderthread = NULL;
}
if (texture != nullptr)
{
SDL_DestroyTexture(texture);
texture = nullptr;
}
#endif
if (screen)
{
SDL_FreeSurface(screen);
screen = nullptr;
}
}
#if 0 // Disabled until we see how this is implemented in SDL2
#ifdef ANDROID
void update_onscreen()
{
SDL_ANDROID_SetScreenKeyboardFloatingJoystick(changed_prefs.floatingJoystick);
if (changed_prefs.onScreen==0)
{
SDL_ANDROID_SetScreenKeyboardShown(0);
}
else
{
SDL_ANDROID_SetScreenKeyboardShown(1);
SDL_Rect pos_textinput, pos_dpad, pos_button1, pos_button2, pos_button3, pos_button4, pos_button5, pos_button6;
pos_textinput.x = changed_prefs.pos_x_textinput*(SDL_ListModes(NULL, 0)[0]->w/(float)480);
pos_textinput.y = changed_prefs.pos_y_textinput*(SDL_ListModes(NULL, 0)[0]->h/(float)360);
pos_textinput.h=SDL_ListModes(NULL, 0)[0]->h / (float)10;
pos_textinput.w=pos_textinput.h;
SDL_ANDROID_SetScreenKeyboardButtonPos(SDL_ANDROID_SCREENKEYBOARD_BUTTON_TEXT, &pos_textinput);
pos_dpad.x = changed_prefs.pos_x_dpad*(SDL_ListModes(NULL, 0)[0]->w/(float)480);
pos_dpad.y = changed_prefs.pos_y_dpad*(SDL_ListModes(NULL, 0)[0]->h/(float)360);
pos_dpad.h=SDL_ListModes(NULL, 0)[0]->h / (float)2.5;
pos_dpad.w=pos_dpad.h;
SDL_ANDROID_SetScreenKeyboardButtonPos(SDL_ANDROID_SCREENKEYBOARD_BUTTON_DPAD, &pos_dpad);
pos_button1.x = changed_prefs.pos_x_button1*(SDL_ListModes(NULL, 0)[0]->w/(float)480);
pos_button1.y = changed_prefs.pos_y_button1*(SDL_ListModes(NULL, 0)[0]->h/(float)360);
pos_button1.h=SDL_ListModes(NULL, 0)[0]->h / (float)5;
pos_button1.w=pos_button1.h;
SDL_ANDROID_SetScreenKeyboardButtonPos(SDL_ANDROID_SCREENKEYBOARD_BUTTON_0, &pos_button1);
pos_button2.x = changed_prefs.pos_x_button2*(SDL_ListModes(NULL, 0)[0]->w/(float)480);
pos_button2.y = changed_prefs.pos_y_button2*(SDL_ListModes(NULL, 0)[0]->h/(float)360);
pos_button2.h=SDL_ListModes(NULL, 0)[0]->h / (float)5;
pos_button2.w=pos_button2.h;
SDL_ANDROID_SetScreenKeyboardButtonPos(SDL_ANDROID_SCREENKEYBOARD_BUTTON_1, &pos_button2);
pos_button3.x = changed_prefs.pos_x_button3*(SDL_ListModes(NULL, 0)[0]->w/(float)480);
pos_button3.y = changed_prefs.pos_y_button3*(SDL_ListModes(NULL, 0)[0]->h/(float)360);
pos_button3.h=SDL_ListModes(NULL, 0)[0]->h / (float)5;
pos_button3.w=pos_button3.h;
SDL_ANDROID_SetScreenKeyboardButtonPos(SDL_ANDROID_SCREENKEYBOARD_BUTTON_2, &pos_button3);
pos_button4.x = changed_prefs.pos_x_button4*(SDL_ListModes(NULL, 0)[0]->w/(float)480);
pos_button4.y = changed_prefs.pos_y_button4*(SDL_ListModes(NULL, 0)[0]->h/(float)360);
pos_button4.h=SDL_ListModes(NULL, 0)[0]->h / (float)5;
pos_button4.w=pos_button4.h;
SDL_ANDROID_SetScreenKeyboardButtonPos(SDL_ANDROID_SCREENKEYBOARD_BUTTON_3, &pos_button4);
pos_button5.x = changed_prefs.pos_x_button5*(SDL_ListModes(NULL, 0)[0]->w/(float)480);
pos_button5.y = changed_prefs.pos_y_button5*(SDL_ListModes(NULL, 0)[0]->h/(float)360);
pos_button5.h=SDL_ListModes(NULL, 0)[0]->h / (float)5;
pos_button5.w=pos_button5.h;
SDL_ANDROID_SetScreenKeyboardButtonPos(SDL_ANDROID_SCREENKEYBOARD_BUTTON_4, &pos_button5);
pos_button6.x = changed_prefs.pos_x_button6*(SDL_ListModes(NULL, 0)[0]->w/(float)480);
pos_button6.y = changed_prefs.pos_y_button6*(SDL_ListModes(NULL, 0)[0]->h/(float)360);
pos_button6.h=SDL_ListModes(NULL, 0)[0]->h / (float)5;
pos_button6.w=pos_button6.h;
SDL_ANDROID_SetScreenKeyboardButtonPos(SDL_ANDROID_SCREENKEYBOARD_BUTTON_5, &pos_button6);
SDL_ANDROID_SetScreenKeyboardButtonShown(SDL_ANDROID_SCREENKEYBOARD_BUTTON_TEXT, changed_prefs.onScreen_textinput);
SDL_ANDROID_SetScreenKeyboardButtonShown(SDL_ANDROID_SCREENKEYBOARD_BUTTON_DPAD, changed_prefs.onScreen_dpad);
SDL_ANDROID_SetScreenKeyboardButtonShown(SDL_ANDROID_SCREENKEYBOARD_BUTTON_0, changed_prefs.onScreen_button1);
SDL_ANDROID_SetScreenKeyboardButtonShown(SDL_ANDROID_SCREENKEYBOARD_BUTTON_1, changed_prefs.onScreen_button2);
SDL_ANDROID_SetScreenKeyboardButtonShown(SDL_ANDROID_SCREENKEYBOARD_BUTTON_2, changed_prefs.onScreen_button3);
SDL_ANDROID_SetScreenKeyboardButtonShown(SDL_ANDROID_SCREENKEYBOARD_BUTTON_3, changed_prefs.onScreen_button4);
SDL_ANDROID_SetScreenKeyboardButtonShown(SDL_ANDROID_SCREENKEYBOARD_BUTTON_4, changed_prefs.onScreen_button5);
SDL_ANDROID_SetScreenKeyboardButtonShown(SDL_ANDROID_SCREENKEYBOARD_BUTTON_5, changed_prefs.onScreen_button6);
}
}
#endif
#endif
// Check if the requested Amiga resolution can be displayed with the current Screen mode as a direct multiple
// Based on this we make the decision to use Linear (smooth) or Nearest Neighbor (pixelated) scaling
bool isModeAspectRatioExact(SDL_DisplayMode* mode, const int width, const int height)
{
return mode->w % width == 0 && mode->h % height == 0;
}
static void open_screen(struct uae_prefs* p)
{
struct vidbuf_description* avidinfo = &adisplays.gfxvidinfo;
graphics_subshutdown();
if (max_uae_width == 0 || max_uae_height == 0)
{
max_uae_width = 1920;
max_uae_height = 1080;
}
#if 0
#ifdef ANDROID
update_onscreen();
#endif
#endif
if (screen_is_picasso)
{
display_width = picasso_vidinfo.width ? picasso_vidinfo.width : 720;
display_height = picasso_vidinfo.height ? picasso_vidinfo.height : 284;
#ifdef USE_DISPMANX
//TODO Check if we can implement this in DISPMANX
#else
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear"); // we always use linear for Picasso96 modes
#endif
}
else
{
if (currprefs.gfx_resolution > avidinfo->gfx_resolution_reserved)
avidinfo->gfx_resolution_reserved = currprefs.gfx_resolution;
if (currprefs.gfx_vresolution > avidinfo->gfx_vresolution_reserved)
avidinfo->gfx_vresolution_reserved = currprefs.gfx_vresolution;
display_width = p->gfx_monitor.gfx_size.width ? p->gfx_monitor.gfx_size.width : 720;
display_height = (p->gfx_monitor.gfx_size.height ? p->gfx_monitor.gfx_size.height : 284) << p->gfx_vresolution;
#ifdef USE_DISPMANX
#else
if (p->scaling_method == -1)
{
if (isModeAspectRatioExact(&sdlMode, display_width, display_height))
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "nearest");
else
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
}
else if (p->scaling_method == 0)
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "nearest");
else if (p->scaling_method == 1)
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear");
#endif
}
#ifdef USE_DISPMANX
next_synctime = 0;
current_resource_amigafb = 0;
write_comm_pipe_u32(display_pipe, DISPLAY_SIGNAL_OPEN, 1);
uae_sem_wait(&display_sem);
vsync_counter = 0;
current_vsync_frame = 2;
#else
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0xFF);
SDL_RenderClear(renderer);
if (sdl_window && strcmp(sdl_video_driver, "x11") == 0)
{
const bool is_fullscreen = SDL_GetWindowFlags(sdl_window) & SDL_WINDOW_FULLSCREEN_DESKTOP;
if (p->gfx_apmode[0].gfx_fullscreen == GFX_FULLSCREEN)
{
// Switch to Fullscreen mode, if we don't have it already
if (!is_fullscreen)
SDL_SetWindowFullscreen(sdl_window, SDL_WINDOW_FULLSCREEN_DESKTOP);
}
else
{
// Switch to Window mode, if we don't have it already
if (is_fullscreen)
SDL_SetWindowFullscreen(sdl_window, 0);
}
if (!is_fullscreen)
if ((SDL_GetWindowFlags(sdl_window) & SDL_WINDOW_MAXIMIZED) == 0)
{
if (screen_is_picasso)
SDL_SetWindowSize(sdl_window, display_width, display_height);
else
SDL_SetWindowSize(sdl_window, display_width * 2 >> p->gfx_resolution, display_height * 2 >> p->gfx_vresolution);
}
}
int depth;
Uint32 pixel_format;
if (screen_is_picasso)
{
if (picasso96_state.RGBFormat == RGBFB_R5G6B5
|| picasso96_state.RGBFormat == RGBFB_R5G6B5PC
|| picasso96_state.RGBFormat == RGBFB_CLUT)
{
depth = 16;
pixel_format = SDL_PIXELFORMAT_RGB565;
}
else
{
depth = 32;
pixel_format = SDL_PIXELFORMAT_RGBA32;
}
if (rotation_angle == 0 || rotation_angle == 180)
{
SDL_RenderSetLogicalSize(renderer, display_width, display_height);
renderQuad = { 0, 0, display_width, display_height };
}
else
{
SDL_RenderSetLogicalSize(renderer, display_height, display_width);
renderQuad = { -(display_width - display_height) / 2, (display_width - display_height) / 2, display_width, display_height };
}
}
else
{
depth = 16;
pixel_format = SDL_PIXELFORMAT_RGB565;
const auto width = display_width * 2 >> p->gfx_resolution;
const auto height = display_height * 2 >> p->gfx_vresolution;
if (rotation_angle == 0 || rotation_angle == 180)
{
SDL_RenderSetLogicalSize(renderer, width, height);
renderQuad = { 0, 0, width, height };
}
else
{
SDL_RenderSetLogicalSize(renderer, height, width);
renderQuad = { -(width - height) / 2, (width - height) / 2, width, height };
}
}
screen = SDL_CreateRGBSurface(0, display_width, display_height, depth, 0, 0, 0, 0);
check_error_sdl(screen == nullptr, "Unable to create a surface");
texture = SDL_CreateTexture(renderer, pixel_format, SDL_TEXTUREACCESS_STREAMING, screen->w, screen->h);
check_error_sdl(texture == nullptr, "Unable to create texture");
#endif
if (screen != nullptr)
{
allocsoftbuffer(p);
notice_screen_contents_lost();
init_row_map();
}
}
void update_display(struct uae_prefs* p)
{
struct amigadisplay *ad = &adisplays;
open_screen(p);
SDL_SetRelativeMouseMode(SDL_TRUE);
SDL_ShowCursor(SDL_DISABLE);
ad->framecnt = 1; // Don't draw frame before reset done
}
int check_prefs_changed_gfx()
{
auto changed = 0;
if (currprefs.gfx_monitor.gfx_size.height != changed_prefs.gfx_monitor.gfx_size.height ||
currprefs.gfx_monitor.gfx_size.width != changed_prefs.gfx_monitor.gfx_size.width ||
currprefs.gfx_apmode[0].gfx_fullscreen != changed_prefs.gfx_apmode[0].gfx_fullscreen ||
currprefs.gfx_apmode[1].gfx_fullscreen != changed_prefs.gfx_apmode[1].gfx_fullscreen ||
currprefs.gfx_resolution != changed_prefs.gfx_resolution ||
currprefs.gfx_vresolution != changed_prefs.gfx_vresolution ||
currprefs.gfx_iscanlines != changed_prefs.gfx_iscanlines ||
currprefs.gfx_pscanlines != changed_prefs.gfx_pscanlines ||
currprefs.gfx_correct_aspect != changed_prefs.gfx_correct_aspect ||
currprefs.gfx_lores_mode != changed_prefs.gfx_lores_mode ||
currprefs.gfx_scandoubler != changed_prefs.gfx_scandoubler)
{
currprefs.gfx_monitor.gfx_size.height = changed_prefs.gfx_monitor.gfx_size.height;
currprefs.gfx_monitor.gfx_size.width = changed_prefs.gfx_monitor.gfx_size.width;
currprefs.gfx_apmode[0].gfx_fullscreen = changed_prefs.gfx_apmode[0].gfx_fullscreen;
currprefs.gfx_apmode[1].gfx_fullscreen = changed_prefs.gfx_apmode[1].gfx_fullscreen;
currprefs.gfx_resolution = changed_prefs.gfx_resolution;
currprefs.gfx_vresolution = changed_prefs.gfx_vresolution;
currprefs.gfx_iscanlines = changed_prefs.gfx_iscanlines;
currprefs.gfx_pscanlines = changed_prefs.gfx_pscanlines;
currprefs.gfx_correct_aspect = changed_prefs.gfx_correct_aspect;
currprefs.gfx_lores_mode = changed_prefs.gfx_lores_mode;
currprefs.gfx_scandoubler = changed_prefs.gfx_scandoubler;
update_display(&currprefs);
changed = 1;
}
if (currprefs.gf[0].gfx_filter_autoscale != changed_prefs.gf[0].gfx_filter_autoscale ||
currprefs.gfx_xcenter_pos != changed_prefs.gfx_xcenter_pos ||
currprefs.gfx_ycenter_pos != changed_prefs.gfx_ycenter_pos ||
currprefs.gfx_xcenter_size != changed_prefs.gfx_xcenter_size ||
currprefs.gfx_ycenter_size != changed_prefs.gfx_ycenter_size ||
currprefs.gfx_xcenter != changed_prefs.gfx_xcenter ||
currprefs.gfx_ycenter != changed_prefs.gfx_ycenter)
{
currprefs.gfx_xcenter_pos = changed_prefs.gfx_xcenter_pos;
currprefs.gfx_ycenter_pos = changed_prefs.gfx_ycenter_pos;
currprefs.gfx_xcenter_size = changed_prefs.gfx_xcenter_size;
currprefs.gfx_ycenter_size = changed_prefs.gfx_ycenter_size;
currprefs.gfx_xcenter = changed_prefs.gfx_xcenter;
currprefs.gfx_ycenter = changed_prefs.gfx_ycenter;
currprefs.gf[0].gfx_filter_autoscale = changed_prefs.gf[0].gfx_filter_autoscale;
get_custom_limits(NULL, NULL, NULL, NULL, NULL);
fixup_prefs_dimensions(&changed_prefs);
return 1;
}
if (currprefs.leds_on_screen != changed_prefs.leds_on_screen ||
currprefs.hide_idle_led != changed_prefs.hide_idle_led)
{
currprefs.leds_on_screen = changed_prefs.leds_on_screen;
currprefs.hide_idle_led = changed_prefs.hide_idle_led;
changed = 1;
}
if (currprefs.chipset_refreshrate != changed_prefs.chipset_refreshrate)
{
currprefs.chipset_refreshrate = changed_prefs.chipset_refreshrate;
changed = 1;
}
currprefs.filesys_limit = changed_prefs.filesys_limit;
currprefs.harddrive_read_only = changed_prefs.harddrive_read_only;
if (changed)
init_custom();
return changed;
}
int lockscr()
{
if (screen && SDL_MUSTLOCK(screen))
SDL_LockSurface(screen);
init_row_map();
return 1;
}
void unlockscr()
{
if (screen && SDL_MUSTLOCK(screen))
SDL_UnlockSurface(screen);
}
#ifdef USE_DISPMANX
void wait_for_vsync()
{
const auto start = read_processor_time();
const auto wait_till = current_vsync_frame;
do
{
usleep(10);
current_vsync_frame = vsync_counter;
} while (wait_till >= current_vsync_frame && read_processor_time() - start < 20000);
}
#endif
bool render_screen(bool immediate)
{
if (savestate_state == STATE_DOSAVE)
{
if (delay_savestate_frame > 0)
--delay_savestate_frame;
else
{
create_screenshot();
save_thumb(screenshot_filename);
savestate_state = 0;
}
}
return true;
}
// All the moving and copying of data, happens here.
int sdl2_render_thread(void *ptr) {
if (texture == NULL || renderer == NULL || screen == NULL) {
return 0;
}
SDL_UpdateTexture(texture, nullptr, screen->pixels, screen->pitch);
SDL_RenderClear(renderer);
SDL_RenderCopyEx(renderer, texture, nullptr, &renderQuad, rotation_angle, nullptr, SDL_FLIP_NONE);
return 0;
}
void show_screen(int mode)
{
const auto start = read_processor_time();
#ifdef USE_DISPMANX
const auto wait_till = current_vsync_frame;
if (vsync_modulo == 1)
{
// Amiga framerate is equal to host framerate
do
{
usleep(10);
current_vsync_frame = vsync_counter;
} while (wait_till >= current_vsync_frame && read_processor_time() - start < 40000);
if (wait_till + 1 != current_vsync_frame)
{
// We missed a vsync...
next_synctime = 0;
}
}
else
{
// Amiga framerate differs from host framerate
const auto wait_till_time = next_synctime != 0 ? next_synctime : last_synctime + time_per_frame;
if (current_vsync_frame % vsync_modulo == 0)
{
// Real vsync
if (start < wait_till_time)
{
// We are in time, wait for vsync
atomic_set(&vsync_counter, current_vsync_frame);
do
{
usleep(10);
current_vsync_frame = vsync_counter;
} while (wait_till >= current_vsync_frame && read_processor_time() - start < 40000);
}
else
{
// Too late for vsync
}
}
else
{
// Estimate vsync by time
while (wait_till_time > read_processor_time())
{
usleep(10);
}
++current_vsync_frame;
}
}
if (currprefs.gfx_framerate == 2)
current_vsync_frame++;
#endif
#ifdef USE_DISPMANX
wait_for_display_thread();
write_comm_pipe_u32(display_pipe, DISPLAY_SIGNAL_SHOW, 1);
#else
if (use_sdl2_render_thread)
{
// Wait for the last thread to finish before rendering it.
SDL_WaitThread(renderthread, NULL);
renderthread = NULL;
// RenderPresent must be done in the main thread.
SDL_RenderPresent(renderer);
// Then start the next render thread.
renderthread = SDL_CreateThread(sdl2_render_thread, "AmigaScreen", nullptr);
}
else
{
SDL_UpdateTexture(texture, nullptr, screen->pixels, screen->pitch);
SDL_RenderClear(renderer);
SDL_RenderCopyEx(renderer, texture, nullptr, &renderQuad, rotation_angle, nullptr, SDL_FLIP_NONE);
SDL_RenderPresent(renderer);
}
#endif
last_synctime = read_processor_time();
idletime += last_synctime - start;
#ifdef USE_DISPMANX
if (last_synctime - next_synctime > time_per_frame - 5000)
next_synctime = last_synctime + time_per_frame * currprefs.gfx_framerate;
else
next_synctime = next_synctime + time_per_frame * currprefs.gfx_framerate;
#endif
}
unsigned long target_lastsynctime()
{
return last_synctime;
}
bool show_screen_maybe(const bool show)
{
if (show)
show_screen(0);
return false;
}
void black_screen_now()
{
if (renderthread)
{
SDL_WaitThread(renderthread, NULL);
renderthread = NULL;
}
if (screen != nullptr)
{
SDL_FillRect(screen, nullptr, 0);
render_screen(true);
show_screen(0);
}
}
static void graphics_subinit()
{
if (screen == nullptr)
{
open_screen(&currprefs);
if (screen == nullptr)
fprintf(stderr, "Unable to set video mode: %s\n", SDL_GetError());
}
else
{
SDL_ShowCursor(SDL_DISABLE);
allocsoftbuffer(&currprefs);
}
}
static int red_bits, green_bits, blue_bits, alpha_bits;
static int red_shift, green_shift, blue_shift, alpha_shift;
static int alpha;
static int init_colors()
{
/* Truecolor: */
red_bits = bits_in_mask(screen->format->Rmask);
green_bits = bits_in_mask(screen->format->Gmask);
blue_bits = bits_in_mask(screen->format->Bmask);
red_shift = mask_shift(screen->format->Rmask);
green_shift = mask_shift(screen->format->Gmask);
blue_shift = mask_shift(screen->format->Bmask);
alpha_bits = bits_in_mask(screen->format->Amask);
alpha_shift = mask_shift(screen->format->Amask);
alloc_colors64k(red_bits, green_bits, blue_bits, red_shift, green_shift, blue_shift, alpha_bits, alpha_shift, alpha, 0, false);
notice_new_xcolors();
return 1;
}
/*
* Find the colour depth of the display
*/
static int get_display_depth()
{
const int depth = screen->format->BytesPerPixel == 4 ? 32 : 16;
return depth;
}
int GetSurfacePixelFormat()
{
const auto depth = get_display_depth();
const auto unit = depth + 1 & 0xF8;
return unit == 8
? RGBFB_CHUNKY
: depth == 15 && unit == 16
? RGBFB_R5G5B5
: depth == 16 && unit == 16
? RGBFB_R5G6B5PC
: unit == 24
? RGBFB_R8G8B8
: unit == 32
? RGBFB_R8G8B8A8
: RGBFB_NONE;
}
int graphics_init(bool mousecapture)
{
inputdevice_unacquire();
graphics_subinit();
if (!init_colors())
return 0;
inputdevice_acquire(TRUE);
return 1;
}
void graphics_leave()
{
graphics_subshutdown();
#ifdef USE_DISPMANX
if (display_tid != nullptr) {
write_comm_pipe_u32(display_pipe, DISPLAY_SIGNAL_QUIT, 1);
while (display_tid != nullptr) {
sleep_millis(10);
}
destroy_comm_pipe(display_pipe);
xfree(display_pipe);
display_pipe = nullptr;
uae_sem_destroy(&display_sem);
display_sem = nullptr;
}
bcm_host_deinit();
#else
if (texture)
{
SDL_DestroyTexture(texture);
texture = nullptr;
}
#endif
if (renderer)
{
SDL_DestroyRenderer(renderer);
renderer = nullptr;
}
if (sdl_window)
{
SDL_DestroyWindow(sdl_window);
sdl_window = nullptr;
}
SDL_VideoQuit();
}
#define SYSTEM_RED_SHIFT (screen->format->Rshift)
#define SYSTEM_GREEN_SHIFT (screen->format->Gshift)
#define SYSTEM_BLUE_SHIFT (screen->format->Bshift)
#define SYSTEM_RED_MASK (screen->format->Rmask)
#define SYSTEM_GREEN_MASK (screen->format->Gmask)
#define SYSTEM_BLUE_MASK (screen->format->Bmask)
static int save_png(SDL_Surface* surface, char* path)
{
const auto w = surface->w;
const auto h = surface->h;
const auto pix = static_cast<unsigned char *>(surface->pixels);
unsigned char writeBuffer[1024 * 3];
const auto f = fopen(path, "wbe");
if (!f) return 0;
auto png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING,
nullptr,
nullptr,
nullptr);
if (!png_ptr)
{
fclose(f);
return 0;
}
auto info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr)
{
png_destroy_write_struct(&png_ptr, nullptr);
fclose(f);
return 0;
}
png_init_io(png_ptr, f);
png_set_IHDR(png_ptr,
info_ptr,
w,
h,
8,
PNG_COLOR_TYPE_RGB,
PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_DEFAULT,
PNG_FILTER_TYPE_DEFAULT);
png_write_info(png_ptr, info_ptr);
auto b = writeBuffer;
const auto sizeX = w;
const auto sizeY = h;
auto p = reinterpret_cast<unsigned short *>(pix);
for (auto y = 0; y < sizeY; y++)
{
for (auto x = 0; x < sizeX; x++)
{
auto v = p[x];
*b++ = ((v & SYSTEM_RED_MASK) >> SYSTEM_RED_SHIFT) << 3; // R
*b++ = ((v & SYSTEM_GREEN_MASK) >> SYSTEM_GREEN_SHIFT) << 2; // G
*b++ = ((v & SYSTEM_BLUE_MASK) >> SYSTEM_BLUE_SHIFT) << 3; // B
}
p += surface->pitch / 2;
png_write_row(png_ptr, writeBuffer);
b = writeBuffer;
}
png_write_end(png_ptr, info_ptr);
png_destroy_write_struct(&png_ptr, &info_ptr);
fclose(f);
return 1;
}
static void create_screenshot()
{
if (renderthread)
{
SDL_WaitThread(renderthread, NULL);
renderthread = NULL;
}
if (current_screenshot != nullptr)
{
SDL_FreeSurface(current_screenshot);
current_screenshot = nullptr;
}
if (screen != nullptr) {
current_screenshot = SDL_CreateRGBSurfaceFrom(screen->pixels,
screen->w,
screen->h,
screen->format->BitsPerPixel,
screen->pitch,
screen->format->Rmask,
screen->format->Gmask,
screen->format->Bmask,
screen->format->Amask);
}
}
static int save_thumb(char* path)
{
if (renderthread)
{
SDL_WaitThread(renderthread, NULL);
renderthread = NULL;
}
auto ret = 0;
if (current_screenshot != nullptr)
{
ret = save_png(current_screenshot, path);
SDL_FreeSurface(current_screenshot);
current_screenshot = nullptr;
}
return ret;
}
static int currVSyncRate = 0;
bool vsync_switchmode(int hz)
{
struct amigadisplay* ad = &adisplays;
auto changed_height = changed_prefs.gfx_monitor.gfx_size.height;
if (hz >= 55)
hz = 60;
else
hz = 50;
if (hz == 50 && currVSyncRate == 60)
{
// Switch from NTSC -> PAL
switch (changed_height)
{
case 200: changed_height = 240; break;
case 216: changed_height = 262; break;
case 240: changed_height = 288; break;
case 256: changed_height = 288; break;
case 262: changed_height = 288; break;
case 288: changed_height = 288; break;
default: break;
}
}
else if (hz == 60 && currVSyncRate == 50)
{
// Switch from PAL -> NTSC
switch (changed_height)
{
case 200: changed_height = 200; break;
case 216: changed_height = 200; break;
case 240: changed_height = 200; break;
case 256: changed_height = 216; break;
case 262: changed_height = 216; break;
case 288: changed_height = 240; break;
default: break;
}
}
if (hz != currVSyncRate)
{
currVSyncRate = hz;
fpscounter_reset();
#ifdef USE_DISPMANX
time_per_frame = 1000 * 1000 / (hz);
if (hz == host_hz)
vsync_modulo = 1;
else if (hz > host_hz)
vsync_modulo = 6; // Amiga draws 6 frames while host has 5 vsyncs -> sync every 6th Amiga frame
else
vsync_modulo = 5; // Amiga draws 5 frames while host has 6 vsyncs -> sync every 5th Amiga frame
#endif
}
if (!ad->picasso_on && !ad->picasso_requested_on)
changed_prefs.gfx_monitor.gfx_size.height = changed_height;
return true;
}
bool target_graphics_buffer_update()
{
auto rate_changed = false;
if (currprefs.gfx_monitor.gfx_size.height != changed_prefs.gfx_monitor.gfx_size.height)
{
update_display(&changed_prefs);
rate_changed = true;
}
if (rate_changed)
{
fpscounter_reset();
#ifdef USE_DISPMANX
time_per_frame = 1000 * 1000 / currprefs.chipset_refreshrate;
#endif
}
return true;
}
#ifdef PICASSO96
int picasso_palette(struct MyCLUTEntry *CLUT, uae_u32 *clut)
{
int changed = 0;
for (int i = 0; i < 256; i++) {
int r = CLUT[i].Red;
int g = CLUT[i].Green;
int b = CLUT[i].Blue;
uae_u32 v = (doMask256 (r, red_bits, red_shift)
| doMask256 (g, green_bits, green_shift)
| doMask256 (b, blue_bits, blue_shift))
| doMask256 (0xff, alpha_bits, alpha_shift);
if (v != clut[i]) {
//write_log (_T("%d:%08x\n"), i, v);
clut[i] = v;
changed = 1;
}
}
return changed;
}
static int resolution_compare(const void* a, const void* b)
{
auto ma = (struct PicassoResolution *)a;
auto mb = (struct PicassoResolution *)b;
if (ma->res.width < mb->res.width)
return -1;
if (ma->res.width > mb->res.width)
return 1;
if (ma->res.height < mb->res.height)
return -1;
if (ma->res.height > mb->res.height)
return 1;
return ma->depth - mb->depth;
}
static void sortmodes()
{
auto i = 0, idx = -1;
unsigned int pw = -1, ph = -1;
while (DisplayModes[i].depth >= 0)
i++;
qsort(DisplayModes, i, sizeof(struct PicassoResolution), resolution_compare);
for (i = 0; DisplayModes[i].depth >= 0; i++)
{
if (DisplayModes[i].res.height != ph || DisplayModes[i].res.width != pw)
{
ph = DisplayModes[i].res.height;
pw = DisplayModes[i].res.width;
idx++;
}
DisplayModes[i].residx = idx;
}
}
static void modes_list()
{
auto i = 0;
while (DisplayModes[i].depth >= 0)
{
write_log("%d: %s (", i, DisplayModes[i].name);
auto j = 0;
while (DisplayModes[i].refresh[j] > 0)
{
if (j > 0)
write_log(",");
write_log("%d", DisplayModes[i].refresh[j]);
j++;
}
write_log(")\n");
i++;
}
}
void picasso_init_resolutions()
{
auto count = 0;
char tmp[200];
int bits[] = { 8, 16, 32 };
Displays[0].primary = 1;
Displays[0].disabled = 0;
Displays[0].rect.left = 0;
Displays[0].rect.top = 0;
Displays[0].rect.right = 800;
Displays[0].rect.bottom = 600;
sprintf(tmp, "%s (%d*%d)", "Display", Displays[0].rect.right, Displays[0].rect.bottom);
Displays[0].name = my_strdup(tmp);
Displays[0].name2 = my_strdup("Display");
const auto md1 = Displays;
DisplayModes = md1->DisplayModes = xmalloc(struct PicassoResolution, MAX_PICASSO_MODES);
for (auto i = 0; i < MAX_SCREEN_MODES && count < MAX_PICASSO_MODES; i++)
{
for (auto bitdepth : bits)
{
const auto bit_unit = bitdepth + 1 & 0xF8;
const auto rgbFormat =
bitdepth == 8 ? RGBFB_CLUT :
bitdepth == 16 ? RGBFB_R5G6B5PC : RGBFB_R8G8B8A8;
auto pixelFormat = 1 << rgbFormat;
pixelFormat |= RGBFF_CHUNKY;
DisplayModes[count].res.width = x_size_table[i];
DisplayModes[count].res.height = y_size_table[i];
DisplayModes[count].depth = bit_unit >> 3;
DisplayModes[count].refresh[0] = 50;
DisplayModes[count].refresh[1] = 60;
DisplayModes[count].refresh[2] = 0;
DisplayModes[count].colormodes = pixelFormat;
sprintf(DisplayModes[count].name, "%dx%d, %d-bit",
DisplayModes[count].res.width, DisplayModes[count].res.height, DisplayModes[count].depth * 8);
count++;
}
}
DisplayModes[count].depth = -1;
sortmodes();
modes_list();
DisplayModes = Displays[0].DisplayModes;
}
#endif
#ifdef PICASSO96
void gfx_set_picasso_state(int on)
{
if (on == screen_is_picasso)
return;
screen_is_picasso = on;
open_screen(&currprefs);
if (screen != nullptr)
picasso_vidinfo.rowbytes = screen->pitch;
}
void gfx_set_picasso_modeinfo(uae_u32 w, uae_u32 h, uae_u32 depth, RGBFTYPE rgbfmt)
{
depth >>= 3;
if (unsigned(picasso_vidinfo.width) == w &&
unsigned(picasso_vidinfo.height) == h &&
unsigned(picasso_vidinfo.depth) == depth &&
picasso_vidinfo.selected_rgbformat == rgbfmt)
return;
picasso_vidinfo.selected_rgbformat = rgbfmt;
picasso_vidinfo.width = w;
picasso_vidinfo.height = h;
picasso_vidinfo.depth = screen->format->BitsPerPixel; // Native depth
picasso_vidinfo.extra_mem = 1;
picasso_vidinfo.rowbytes = screen->pitch;
picasso_vidinfo.pixbytes = screen->format->BytesPerPixel; // Native bytes
picasso_vidinfo.offset = 0;
if (screen_is_picasso)
{
open_screen(&currprefs);
if(screen != nullptr) {
picasso_vidinfo.rowbytes = screen->pitch;
picasso_vidinfo.rgbformat =
screen->format->BytesPerPixel == 4 ? RGBFB_R8G8B8A8 : RGBFB_R5G6B5PC;
}
}
}
void gfx_set_picasso_colors(RGBFTYPE rgbfmt)
{
alloc_colors_picasso(red_bits, green_bits, blue_bits, red_shift, green_shift, blue_shift, rgbfmt, p96_rgbx16);
}
uae_u8* gfx_lock_picasso()
{
if (screen == nullptr || screen_is_picasso == 0)
return nullptr;
if (SDL_MUSTLOCK(screen))
SDL_LockSurface(screen);
picasso_vidinfo.pixbytes = screen->format->BytesPerPixel;
picasso_vidinfo.rowbytes = screen->pitch;
return static_cast<uae_u8 *>(screen->pixels);
}
void gfx_unlock_picasso(const bool dorender)
{
if (SDL_MUSTLOCK(screen))
SDL_UnlockSurface(screen);
if (dorender)
{
render_screen(true);
show_screen(0);
}
}
#endif // PICASSO96
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