From ca980e1b0a60cc459f96fbf36e6ee837d25d2c9e Mon Sep 17 00:00:00 2001 From: notaz Date: Sun, 7 Jan 2024 00:46:36 +0200 Subject: [PATCH] pandora: allow to move the overlay partially offscreen to allow to cut off black bars, if the user chooses to do so --- platform/pandora/menu.c | 69 +++++++++++++++++++++++++++-------------- platform/pandora/plat.c | 66 ++++++++++++++++++++++----------------- platform/pandora/plat.h | 2 ++ 3 files changed, 86 insertions(+), 51 deletions(-) diff --git a/platform/pandora/menu.c b/platform/pandora/menu.c index 476af311..45936d97 100644 --- a/platform/pandora/menu.c +++ b/platform/pandora/menu.c @@ -1,5 +1,8 @@ #include "plat.h" +static int min(int x, int y) { return x < y ? x : y; } +static int max(int x, int y) { return x > y ? x : y; } + static const char *men_scaler[] = { "1x1, 1x1", "2x2, 3x2", "2x2, 2x2", "fullscreen", "custom", NULL }; static const char h_scaler[] = "Scalers for 40 and 32 column modes\n" "(320 and 256 pixel wide horizontal)"; @@ -8,6 +11,7 @@ static const char h_cscaler[] = "Displays the scaler layer, you can resize it\ static int menu_loop_cscaler(int id, int keys) { + int was_layer_clipped = 0; unsigned int inp; currentConfig.scaling = SCALE_CUSTOM; @@ -15,21 +19,32 @@ static int menu_loop_cscaler(int id, int keys) pnd_setup_layer(1, g_layer_cx, g_layer_cy, g_layer_cw, g_layer_ch); pnd_restore_layer_data(); + menu_draw_begin(0, 1); + menuscreen_memset_lines(g_menuscreen_ptr, 0, g_menuscreen_h); + menu_draw_end(); + for (;;) { - menu_draw_begin(0, 1); - menuscreen_memset_lines(g_menuscreen_ptr, 0, g_menuscreen_h); - text_out16(2, 480 - 18, "%dx%d | d-pad to resize, R+d-pad to move", g_layer_cw, g_layer_ch); - menu_draw_end(); + int top_x = max(0, -g_layer_cx * g_screen_ppitch / 800) + 1; + int top_y = max(0, -g_layer_cy * g_screen_height / 480) + 1; + char text[128]; + memcpy(g_screen_ptr, g_menubg_src_ptr, + g_screen_ppitch * g_screen_height * 2); + snprintf(text, sizeof(text), "%d,%d %dx%d", + g_layer_cx, g_layer_cy, g_layer_cw, g_layer_ch); + basic_text_out16_nf(g_screen_ptr, g_screen_ppitch, + saved_start_col + top_x, saved_start_line + top_y, text); + basic_text_out16_nf(g_screen_ptr, g_screen_ppitch, 2, + g_screen_height - 20, "d-pad: resize, R+d-pad: move"); + plat_video_flip(); inp = in_menu_wait(PBTN_UP|PBTN_DOWN|PBTN_LEFT|PBTN_RIGHT |PBTN_R|PBTN_MOK|PBTN_MBACK, NULL, 40); - if (inp & PBTN_R) { - if (inp & PBTN_UP) g_layer_cy--; - if (inp & PBTN_DOWN) g_layer_cy++; - if (inp & PBTN_LEFT) g_layer_cx--; - if (inp & PBTN_RIGHT) g_layer_cx++; - } else { + if (inp & PBTN_UP) g_layer_cy--; + if (inp & PBTN_DOWN) g_layer_cy++; + if (inp & PBTN_LEFT) g_layer_cx--; + if (inp & PBTN_RIGHT) g_layer_cx++; + if (!(inp & PBTN_R)) { if (inp & PBTN_UP) g_layer_ch += 2; if (inp & PBTN_DOWN) g_layer_ch -= 2; if (inp & PBTN_LEFT) g_layer_cw += 2; @@ -39,17 +54,25 @@ static int menu_loop_cscaler(int id, int keys) break; if (inp & (PBTN_UP|PBTN_DOWN|PBTN_LEFT|PBTN_RIGHT)) { - if (g_layer_cx < 0) g_layer_cx = 0; - if (g_layer_cx > 640) g_layer_cx = 640; - if (g_layer_cy < 0) g_layer_cy = 0; - if (g_layer_cy > 420) g_layer_cy = 420; - if (g_layer_cw < 160) g_layer_cw = 160; - if (g_layer_ch < 60) g_layer_ch = 60; - if (g_layer_cx + g_layer_cw > 800) - g_layer_cw = 800 - g_layer_cx; - if (g_layer_cy + g_layer_ch > 480) - g_layer_ch = 480 - g_layer_cy; + int layer_clipped = 0; + g_layer_cx = max(-320, min(g_layer_cx, 640)); + g_layer_cy = max(-240, min(g_layer_cy, 420)); + g_layer_cw = max(160, g_layer_cw); + g_layer_ch = max( 60, g_layer_ch); + if (g_layer_cx < 0 || g_layer_cx + g_layer_cw > 800) + layer_clipped = 1; + if (g_layer_cw > 800+400) + g_layer_cw = 800+400; + if (g_layer_cy < 0 || g_layer_cy + g_layer_ch > 480) + layer_clipped = 1; + if (g_layer_ch > 480+360) + g_layer_ch = 480+360; + // resize the layer pnd_setup_layer(1, g_layer_cx, g_layer_cy, g_layer_cw, g_layer_ch); + if (layer_clipped || was_layer_clipped) + emu_video_mode_change(saved_start_line, saved_line_count, + saved_start_col, saved_col_count); + was_layer_clipped = layer_clipped; } } @@ -62,9 +85,9 @@ static int menu_loop_cscaler(int id, int keys) mee_enum_h ("Scaler", MA_OPT_SCALING, currentConfig.scaling, \ men_scaler, h_scaler), \ mee_onoff ("Vsync", MA_OPT2_VSYNC, currentConfig.EmuOpt, EOPT_VSYNC), \ - mee_cust_h ("Setup custom scaler", MA_NONE, menu_loop_cscaler, NULL, h_cscaler), \ - mee_range_hide("layer_x", MA_OPT3_LAYER_X, g_layer_cx, 0, 640), \ - mee_range_hide("layer_y", MA_OPT3_LAYER_Y, g_layer_cy, 0, 420), \ + mee_cust_s_h ("Setup custom scaler", MA_NONE, 0, menu_loop_cscaler, NULL, h_cscaler), \ + mee_range_hide("layer_x", MA_OPT3_LAYER_X, g_layer_cx, -320, 640), \ + mee_range_hide("layer_y", MA_OPT3_LAYER_Y, g_layer_cy, -240, 420), \ mee_range_hide("layer_w", MA_OPT3_LAYER_W, g_layer_cw, 160, 800), \ mee_range_hide("layer_h", MA_OPT3_LAYER_H, g_layer_ch, 60, 480), \ diff --git a/platform/pandora/plat.c b/platform/pandora/plat.c index be1f5781..e072a266 100644 --- a/platform/pandora/plat.c +++ b/platform/pandora/plat.c @@ -38,6 +38,8 @@ static struct vout_fbdev *main_fb, *layer_fb; // g_layer_* - in use, g_layer_c* - configured custom int g_layer_cx = 80, g_layer_cy, g_layer_cw = 640, g_layer_ch = 480; +int saved_start_line = 0, saved_line_count = 240; +int saved_start_col = 0, saved_col_count = 320; static int g_layer_x, g_layer_y; static int g_layer_w = 320, g_layer_h = 240; static int g_osd_start_x, g_osd_fps_x, g_osd_y, doing_bg_frame; @@ -47,22 +49,6 @@ static void *temp_frame; const char *renderer_names[] = { NULL }; const char *renderer_names32x[] = { NULL }; -static const char * const pandora_gpio_keys[KEY_MAX + 1] = { - [KEY_UP] = "Up", - [KEY_LEFT] = "Left", - [KEY_RIGHT] = "Right", - [KEY_DOWN] = "Down", - [KEY_HOME] = "A", - [KEY_PAGEDOWN] = "X", - [KEY_END] = "B", - [KEY_PAGEUP] = "Y", - [KEY_RIGHTSHIFT]= "L", - [KEY_RIGHTCTRL] = "R", - [KEY_LEFTALT] = "Start", - [KEY_LEFTCTRL] = "Select", - [KEY_MENU] = "Pandora", -}; - static struct in_default_bind in_evdev_defbinds[] = { { KEY_UP, IN_BINDTYPE_PLAYER12, GBTN_UP }, @@ -314,6 +300,13 @@ static int pnd_setup_layer_(int fd, int enabled, int x, int y, int w, int h) int pnd_setup_layer(int enabled, int x, int y, int w, int h) { + // it's not allowed for the layer to be partially offscreen, + // instead it is faked by emu_video_mode_change() + if (x < 0) { w += x; x = 0; } + if (y < 0) { h += y; y = 0; } + if (x + w > 800) w = 800 - x; + if (y + h > 480) h = 480 - y; + return pnd_setup_layer_(vout_fbdev_get_fd(layer_fb), enabled, x, y, w, h); } @@ -332,26 +325,22 @@ void pnd_restore_layer_data(void) void emu_video_mode_change(int start_line, int line_count, int start_col, int col_count) { - int fb_w = 320, fb_h = 240, fb_left = 0, fb_right = 0, fb_top = 0, fb_bottom = 0; + int fb_w, fb_h = 240, fb_left = 0, fb_right = 0, fb_top = 0, fb_bottom = 0; if (doing_bg_frame) return; - fb_w = col_count; - fb_left = start_col; - fb_right = 320 - (fb_w + fb_left); - switch (currentConfig.scaling) { case SCALE_1x1: - g_layer_w = fb_w; + g_layer_w = col_count; g_layer_h = fb_h; break; case SCALE_2x2_3x2: - g_layer_w = fb_w * (col_count < 320 ? 3 : 2); + g_layer_w = col_count * (col_count < 320 ? 3 : 2); g_layer_h = fb_h * 2; break; case SCALE_2x2_2x2: - g_layer_w = fb_w * 2; + g_layer_w = col_count * 2; g_layer_h = fb_h * 2; break; case SCALE_FULLSCREEN: @@ -376,17 +365,38 @@ void emu_video_mode_change(int start_line, int line_count, int start_col, int co case SCALE_FULLSCREEN: case SCALE_CUSTOM: fb_top = start_line; - fb_h = line_count; + fb_h = start_line + line_count; break; } - g_osd_start_x = start_col; - g_osd_fps_x = start_col + col_count - 5*8 - 2; - g_osd_y = fb_top + fb_h - 8; + fb_w = 320; + fb_left = start_col; + fb_right = 320 - (start_col + col_count); + if (currentConfig.scaling == SCALE_CUSTOM) { + int right = g_layer_x + g_layer_w; + int bottom = g_layer_y + g_layer_h; + if (g_layer_x < 0) + fb_left += -g_layer_x * col_count / g_menuscreen_w; + if (g_layer_y < 0) + fb_top += -g_layer_y * line_count / g_menuscreen_h; + if (right > g_menuscreen_w) + fb_right += (right - g_menuscreen_w) * col_count / g_menuscreen_w; + if (bottom > g_menuscreen_h) + fb_bottom += (bottom - g_menuscreen_h) * line_count / g_menuscreen_h; + } + fb_w -= fb_left + fb_right; + fb_h -= fb_top + fb_bottom; pnd_setup_layer(1, g_layer_x, g_layer_y, g_layer_w, g_layer_h); vout_fbdev_resize(layer_fb, fb_w, fb_h, 16, fb_left, fb_right, fb_top, fb_bottom, 4, 0); vout_fbdev_clear(layer_fb); plat_video_flip(); + + g_osd_start_x = start_col; + g_osd_fps_x = start_col + col_count - 5*8 - 2; + g_osd_y = fb_top + fb_h - 8; + + saved_start_line = start_line, saved_line_count = line_count; + saved_start_col = start_col, saved_col_count = col_count; } void plat_video_loop_prepare(void) diff --git a/platform/pandora/plat.h b/platform/pandora/plat.h index 8e6816ad..2ac1b09c 100644 --- a/platform/pandora/plat.h +++ b/platform/pandora/plat.h @@ -1,6 +1,8 @@ extern int g_layer_cx, g_layer_cy; extern int g_layer_cw, g_layer_ch; +extern int saved_start_line, saved_line_count; +extern int saved_start_col, saved_col_count; void pnd_menu_init(void); int pnd_setup_layer(int enabled, int x, int y, int w, int h); -- 2.39.5