frontend: add an option to disable scaling (Caanoo)

[pcsx_rearmed.git] / frontend / plat_pollux.c

diff --git a/frontend/plat_pollux.c b/frontend/plat_pollux.c
index af12f1e..d402e84 100644 (file)
--- a/frontend/plat_pollux.c
+++ b/frontend/plat_pollux.c
@@ -46,7 +46,7 @@ static unsigned int saved_video_regs[2][6];
 static unsigned short *psx_vram;
 static unsigned int psx_vram_padds[512];
 static int psx_step, psx_width, psx_height, psx_bpp;
-static int psx_offset_x, psx_offset_y;
+static int psx_offset_x, psx_offset_y, psx_src_width, psx_src_height;
 static int fb_offset_x, fb_offset_y;
 
 // TODO: get rid of this
@@ -60,6 +60,7 @@ int omap_enable_layer(int enabled)
 }
 
 static void caanoo_init(void);
+static void *pl_vout_set_mode(int w, int h, int bpp);
 
 
 static void *fb_flip(void)
@@ -248,9 +249,7 @@ void plat_video_menu_leave(void)
 
        memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
        g_menuscreen_ptr = fb_flip();
-       memset(g_menuscreen_ptr, 0, 320*240 * psx_bpp/8);
-
-       pollux_changemode(psx_bpp, 1);
+       pl_vout_set_mode(psx_width, psx_height, psx_bpp);
 }
 
 void *plat_prepare_screenshot(int *w, int *h, int *bpp)
@@ -304,7 +303,7 @@ static void raw_flip_dma(int x, int y)
        int spsx_line = y + psx_offset_y;
        int spsx_offset = (x + psx_offset_x) & 0x3f8;
        int dst_stride = 320 * psx_bpp / 8;
-       int len = psx_width * psx_bpp / 8;
+       int len = psx_src_width * psx_bpp / 8;
        int i;
 
        warm_cache_op_all(WOP_D_CLEAN);
@@ -322,7 +321,7 @@ static void raw_flip_dma(int x, int y)
                DMA_REG(0x24) = 1;
        }
 
-       for (i = psx_height; i > 0; i--, spsx_line += psx_step, dst += dst_stride) {
+       for (i = psx_src_height; i > 0; i--, spsx_line += psx_step, dst += dst_stride) {
                while ((DMA_REG(0x2c) & 0x0f) < 4)
                        spend_cycles(10);
 
@@ -336,7 +335,7 @@ static void raw_flip_dma(int x, int y)
 
        if (psx_bpp == 16) {
                pl_vout_buf = g_menuscreen_ptr;
-               pl_print_hud(320, fb_offset_y + psx_height, fb_offset_x);
+               pl_print_hud(320, fb_offset_y + psx_src_height, fb_offset_x);
        }
 
        g_menuscreen_ptr = fb_flip();
@@ -353,19 +352,19 @@ static void name(int x, int y)
                         (fb_offset_y * 320 + fb_offset_x) * psx_bpp / 8;                \
         unsigned int src = (y + psx_offset_y) * 1024 + x + psx_offset_x;                \
         int dst_stride = 320 * psx_bpp / 8;                                             \
-        int len = psx_width * psx_bpp / 8;                                              \
+        int len = psx_src_width * psx_bpp / 8;                                          \
         int i;                                                                          \
                                                                                         \
         pcnt_start(PCNT_BLIT);                                                          \
                                                                                         \
-        for (i = psx_height; i > 0; i--, src += psx_step * 1024, dst += dst_stride) {   \
+        for (i = psx_src_height; i > 0; i--, src += psx_step * 1024, dst += dst_stride) { \
                 src &= 1024*512-1;                                                      \
                 blitfunc(dst, vram + src, len);                                         \
         }                                                                               \
                                                                                         \
         if (psx_bpp == 16) {                                                            \
                 pl_vout_buf = g_menuscreen_ptr;                                         \
-                pl_print_hud(320, fb_offset_y + psx_height, fb_offset_x);               \
+                pl_print_hud(320, fb_offset_y + psx_src_height, fb_offset_x);           \
         }                                                                               \
                                                                                         \
         g_menuscreen_ptr = fb_flip();                                                   \
@@ -381,15 +380,17 @@ make_flip_func(raw_flip_soft_640, blit320_640)
 
 static void *pl_vout_set_mode(int w, int h, int bpp)
 {
-       static int old_w, old_h, old_bpp;
        int poff_w, poff_h, w_max;
 
-       if (!w || !h || !bpp || (w == old_w && h == old_h && bpp == old_bpp))
+       if (!w || !h || !bpp)
                return NULL;
 
        printf("psx mode: %dx%d@%d\n", w, h, bpp);
+       psx_width = w;
+       psx_height = h;
+       psx_bpp = bpp;
 
-       switch (w + (bpp != 16)) {
+       switch (w + (bpp != 16) + !soft_scaling) {
        case 640:
                pl_rearmed_cbs.pl_vout_raw_flip = raw_flip_soft_640;
                w_max = 640;
@@ -431,9 +432,8 @@ static void *pl_vout_set_mode(int w, int h, int bpp)
 
        psx_offset_x = poff_w;
        psx_offset_y = poff_h;
-       psx_width = w;
-       psx_height = h;
-       psx_bpp = bpp;
+       psx_src_width = w;
+       psx_src_height = h;
 
        if (fb_offset_x || fb_offset_y) {
                // not fullscreen, must clear borders
@@ -521,6 +521,7 @@ void plat_init(void)
        }
        fb_vaddrs[1] = (char *)fb_vaddrs[0] + 320*240*4;
 
+       memset(fb_vaddrs[0], 0, FB_VRAM_SIZE);
        pollux_changemode(16, 0);
        g_menuscreen_w = 320;
        g_menuscreen_h = 240;
@@ -607,8 +608,8 @@ void plat_init(void)
        pl_rearmed_cbs.pl_vout_set_mode = pl_vout_set_mode;
        pl_rearmed_cbs.pl_vout_set_raw_vram = pl_vout_set_raw_vram;
 
-       psx_width = 320;
-       psx_height = 240;
+       psx_src_width = 320;
+       psx_src_height = 240;
        psx_bpp = 16;
 
        pl_rearmed_cbs.screen_w = 320;