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-rw-r--r--firmware/target/hosted/sdl/lcd-bitmap.c416
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diff --git a/firmware/target/hosted/sdl/lcd-bitmap.c b/firmware/target/hosted/sdl/lcd-bitmap.c
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+++ b/firmware/target/hosted/sdl/lcd-bitmap.c
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+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2006 Dan Everton
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "debug.h"
+#include "sim-ui-defines.h"
+#include "system.h"
+#include "lcd-sdl.h"
+#include "screendump.h"
+
+SDL_Surface* lcd_surface;
+
+#if LCD_DEPTH <= 8
+#ifdef HAVE_BACKLIGHT
+SDL_Color lcd_bl_color_dark = {RED_CMP(LCD_BL_DARKCOLOR),
+ GREEN_CMP(LCD_BL_DARKCOLOR),
+ BLUE_CMP(LCD_BL_DARKCOLOR), 0};
+SDL_Color lcd_bl_color_bright = {RED_CMP(LCD_BL_BRIGHTCOLOR),
+ GREEN_CMP(LCD_BL_BRIGHTCOLOR),
+ BLUE_CMP(LCD_BL_BRIGHTCOLOR), 0};
+#ifdef HAVE_LCD_SPLIT
+SDL_Color lcd_bl_color2_dark = {RED_CMP(LCD_BL_DARKCOLOR_2),
+ GREEN_CMP(LCD_BL_DARKCOLOR_2),
+ BLUE_CMP(LCD_BL_DARKCOLOR_2), 0};
+SDL_Color lcd_bl_color2_bright = {RED_CMP(LCD_BL_BRIGHTCOLOR_2),
+ GREEN_CMP(LCD_BL_BRIGHTCOLOR_2),
+ BLUE_CMP(LCD_BL_BRIGHTCOLOR_2), 0};
+#endif
+#endif /* HAVE_BACKLIGHT */
+SDL_Color lcd_color_dark = {RED_CMP(LCD_DARKCOLOR),
+ GREEN_CMP(LCD_DARKCOLOR),
+ BLUE_CMP(LCD_DARKCOLOR), 0};
+SDL_Color lcd_color_bright = {RED_CMP(LCD_BRIGHTCOLOR),
+ GREEN_CMP(LCD_BRIGHTCOLOR),
+ BLUE_CMP(LCD_BRIGHTCOLOR), 0};
+#ifdef HAVE_LCD_SPLIT
+SDL_Color lcd_color2_dark = {RED_CMP(LCD_DARKCOLOR_2),
+ GREEN_CMP(LCD_DARKCOLOR_2),
+ BLUE_CMP(LCD_DARKCOLOR_2), 0};
+SDL_Color lcd_color2_bright = {RED_CMP(LCD_BRIGHTCOLOR_2),
+ GREEN_CMP(LCD_BRIGHTCOLOR_2),
+ BLUE_CMP(LCD_BRIGHTCOLOR_2), 0};
+#endif
+
+#ifdef HAVE_LCD_SPLIT
+#define NUM_SHADES 128
+#else
+#define NUM_SHADES 129
+#endif
+
+#else /* LCD_DEPTH > 8 */
+
+#ifdef HAVE_TRANSFLECTIVE_LCD
+#define BACKLIGHT_OFF_ALPHA 85 /* 1/3 brightness */
+#else
+#define BACKLIGHT_OFF_ALPHA 0 /* pitch black */
+#endif
+
+#endif /* LCD_DEPTH */
+
+#if LCD_DEPTH < 8
+unsigned long (*lcd_ex_getpixel)(int, int) = NULL;
+#endif /* LCD_DEPTH < 8 */
+
+#if LCD_DEPTH == 2
+/* Only defined for positive, non-split LCD for now */
+static const unsigned char colorindex[4] = {128, 85, 43, 0};
+#endif
+
+static unsigned long get_lcd_pixel(int x, int y)
+{
+#if LCD_DEPTH == 1
+#ifdef HAVE_NEGATIVE_LCD
+ return (lcd_framebuffer[y/8][x] & (1 << (y & 7))) ? (NUM_SHADES-1) : 0;
+#else
+ return (lcd_framebuffer[y/8][x] & (1 << (y & 7))) ? 0 : (NUM_SHADES-1);
+#endif
+#elif LCD_DEPTH == 2
+#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
+ return colorindex[(lcd_framebuffer[y][x/4] >> (2 * (~x & 3))) & 3];
+#elif LCD_PIXELFORMAT == VERTICAL_PACKING
+ return colorindex[(lcd_framebuffer[y/4][x] >> (2 * (y & 3))) & 3];
+#elif LCD_PIXELFORMAT == VERTICAL_INTERLEAVED
+ unsigned bits = (lcd_framebuffer[y/8][x] >> (y & 7)) & 0x0101;
+ return colorindex[(bits | (bits >> 7)) & 3];
+#endif
+#elif LCD_DEPTH == 16
+#if LCD_PIXELFORMAT == RGB565SWAPPED
+ unsigned bits = lcd_framebuffer[y][x];
+ return (bits >> 8) | (bits << 8);
+#else
+#if defined(LCD_STRIDEFORMAT) && LCD_STRIDEFORMAT == VERTICAL_STRIDE
+ return *(&lcd_framebuffer[0][0]+LCD_HEIGHT*x+y);
+#else
+ return lcd_framebuffer[y][x];
+#endif
+#endif
+#endif
+}
+
+void lcd_update(void)
+{
+ /* update a full screen rect */
+ lcd_update_rect(0, 0, LCD_WIDTH, LCD_HEIGHT);
+}
+
+void lcd_update_rect(int x_start, int y_start, int width, int height)
+{
+ sdl_update_rect(lcd_surface, x_start, y_start, width, height,
+ LCD_WIDTH, LCD_HEIGHT, get_lcd_pixel);
+ sdl_gui_update(lcd_surface, x_start, y_start, width,
+ height + LCD_SPLIT_LINES, SIM_LCD_WIDTH, SIM_LCD_HEIGHT,
+ background ? UI_LCD_POSX : 0, background? UI_LCD_POSY : 0);
+}
+
+#ifdef HAVE_BACKLIGHT
+void sim_backlight(int value)
+{
+#if LCD_DEPTH <= 8
+ if (value > 0) {
+ sdl_set_gradient(lcd_surface, &lcd_bl_color_dark,
+ &lcd_bl_color_bright, 0, NUM_SHADES);
+#ifdef HAVE_LCD_SPLIT
+ sdl_set_gradient(lcd_surface, &lcd_bl_color2_dark,
+ &lcd_bl_color2_bright, NUM_SHADES, NUM_SHADES);
+#endif
+ } else {
+ sdl_set_gradient(lcd_surface, &lcd_color_dark,
+ &lcd_color_bright, 0, NUM_SHADES);
+#ifdef HAVE_LCD_SPLIT
+ sdl_set_gradient(lcd_surface, &lcd_color2_dark,
+ &lcd_color2_bright, NUM_SHADES, NUM_SHADES);
+#endif
+ }
+#else /* LCD_DEPTH > 8 */
+ SDL_SetAlpha(lcd_surface, SDL_SRCALPHA, (value * 255) / 100);
+#endif /* LCD_DEPTH */
+
+ sdl_gui_update(lcd_surface, 0, 0, SIM_LCD_WIDTH, SIM_LCD_HEIGHT,
+ SIM_LCD_WIDTH, SIM_LCD_HEIGHT,
+ background ? UI_LCD_POSX : 0, background? UI_LCD_POSY : 0);
+}
+#endif /* HAVE_BACKLIGHT */
+
+/* initialise simulator lcd driver */
+void sim_lcd_init(void)
+{
+#if LCD_DEPTH == 16
+ lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE,
+ SIM_LCD_WIDTH * display_zoom,
+ SIM_LCD_HEIGHT * display_zoom,
+ LCD_DEPTH, 0, 0, 0, 0);
+#elif LCD_DEPTH <= 8
+ lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE,
+ SIM_LCD_WIDTH * display_zoom,
+ SIM_LCD_HEIGHT * display_zoom,
+ 8, 0, 0, 0, 0);
+
+#ifdef HAVE_BACKLIGHT
+ sdl_set_gradient(lcd_surface, &lcd_bl_color_dark,
+ &lcd_bl_color_bright, 0, NUM_SHADES);
+#ifdef HAVE_LCD_SPLIT
+ sdl_set_gradient(lcd_surface, &lcd_bl_color2_dark,
+ &lcd_bl_color2_bright, NUM_SHADES, NUM_SHADES);
+#endif
+#else /* !HAVE_BACKLIGHT */
+ sdl_set_gradient(lcd_surface, &lcd_color_dark,
+ &lcd_color_bright, 0, NUM_SHADES);
+#ifdef HAVE_LCD_SPLIT
+ sdl_set_gradient(lcd_surface, &lcd_color2_dark,
+ &lcd_color2_bright, NUM_SHADES, NUM_SHADES);
+#endif
+#endif /* !HAVE_BACKLIGHT */
+#endif /* LCD_DEPTH */
+}
+
+#if LCD_DEPTH < 8
+void sim_lcd_ex_init(unsigned long (*getpixel)(int, int))
+{
+ lcd_ex_getpixel = getpixel;
+}
+
+void sim_lcd_ex_update_rect(int x_start, int y_start, int width, int height)
+{
+ if (lcd_ex_getpixel) {
+ sdl_update_rect(lcd_surface, x_start, y_start, width, height,
+ LCD_WIDTH, LCD_HEIGHT, lcd_ex_getpixel);
+ sdl_gui_update(lcd_surface, x_start, y_start, width,
+ height + LCD_SPLIT_LINES, SIM_LCD_WIDTH, SIM_LCD_HEIGHT,
+ background ? UI_LCD_POSX : 0,
+ background ? UI_LCD_POSY : 0);
+ }
+}
+#endif
+
+#ifdef HAVE_LCD_COLOR
+/**
+ * |R| |1.000000 -0.000001 1.402000| |Y'|
+ * |G| = |1.000000 -0.334136 -0.714136| |Pb|
+ * |B| |1.000000 1.772000 0.000000| |Pr|
+ * Scaled, normalized, rounded and tweaked to yield RGB 565:
+ * |R| |74 0 101| |Y' - 16| >> 9
+ * |G| = |74 -24 -51| |Cb - 128| >> 8
+ * |B| |74 128 0| |Cr - 128| >> 9
+ */
+#define YFAC (74)
+#define RVFAC (101)
+#define GUFAC (-24)
+#define GVFAC (-51)
+#define BUFAC (128)
+
+static inline int clamp(int val, int min, int max)
+{
+ if (val < min)
+ val = min;
+ else if (val > max)
+ val = max;
+ return val;
+}
+
+void lcd_yuv_set_options(unsigned options)
+{
+ (void)options;
+}
+
+/* Draw a partial YUV colour bitmap - similiar behavior to lcd_blit_yuv
+ in the core */
+void lcd_blit_yuv(unsigned char * const src[3],
+ int src_x, int src_y, int stride,
+ int x, int y, int width, int height)
+{
+ const unsigned char *ysrc, *usrc, *vsrc;
+ int linecounter;
+ fb_data *dst, *row_end;
+ long z;
+
+ /* width and height must be >= 2 and an even number */
+ width &= ~1;
+ linecounter = height >> 1;
+
+#if LCD_WIDTH >= LCD_HEIGHT
+ dst = &lcd_framebuffer[y][x];
+ row_end = dst + width;
+#else
+ dst = &lcd_framebuffer[x][LCD_WIDTH - y - 1];
+ row_end = dst + LCD_WIDTH * width;
+#endif
+
+ z = stride * src_y;
+ ysrc = src[0] + z + src_x;
+ usrc = src[1] + (z >> 2) + (src_x >> 1);
+ vsrc = src[2] + (usrc - src[1]);
+
+ /* stride => amount to jump from end of last row to start of next */
+ stride -= width;
+
+ /* upsampling, YUV->RGB conversion and reduction to RGB565 in one go */
+
+ do
+ {
+ do
+ {
+ int y, cb, cr, rv, guv, bu, r, g, b;
+
+ y = YFAC*(*ysrc++ - 16);
+ cb = *usrc++ - 128;
+ cr = *vsrc++ - 128;
+
+ rv = RVFAC*cr;
+ guv = GUFAC*cb + GVFAC*cr;
+ bu = BUFAC*cb;
+
+ r = y + rv;
+ g = y + guv;
+ b = y + bu;
+
+ if ((unsigned)(r | g | b) > 64*256-1)
+ {
+ r = clamp(r, 0, 64*256-1);
+ g = clamp(g, 0, 64*256-1);
+ b = clamp(b, 0, 64*256-1);
+ }
+
+ *dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9);
+
+#if LCD_WIDTH >= LCD_HEIGHT
+ dst++;
+#else
+ dst += LCD_WIDTH;
+#endif
+
+ y = YFAC*(*ysrc++ - 16);
+ r = y + rv;
+ g = y + guv;
+ b = y + bu;
+
+ if ((unsigned)(r | g | b) > 64*256-1)
+ {
+ r = clamp(r, 0, 64*256-1);
+ g = clamp(g, 0, 64*256-1);
+ b = clamp(b, 0, 64*256-1);
+ }
+
+ *dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9);
+
+#if LCD_WIDTH >= LCD_HEIGHT
+ dst++;
+#else
+ dst += LCD_WIDTH;
+#endif
+ }
+ while (dst < row_end);
+
+ ysrc += stride;
+ usrc -= width >> 1;
+ vsrc -= width >> 1;
+
+#if LCD_WIDTH >= LCD_HEIGHT
+ row_end += LCD_WIDTH;
+ dst += LCD_WIDTH - width;
+#else
+ row_end -= 1;
+ dst -= LCD_WIDTH*width + 1;
+#endif
+
+ do
+ {
+ int y, cb, cr, rv, guv, bu, r, g, b;
+
+ y = YFAC*(*ysrc++ - 16);
+ cb = *usrc++ - 128;
+ cr = *vsrc++ - 128;
+
+ rv = RVFAC*cr;
+ guv = GUFAC*cb + GVFAC*cr;
+ bu = BUFAC*cb;
+
+ r = y + rv;
+ g = y + guv;
+ b = y + bu;
+
+ if ((unsigned)(r | g | b) > 64*256-1)
+ {
+ r = clamp(r, 0, 64*256-1);
+ g = clamp(g, 0, 64*256-1);
+ b = clamp(b, 0, 64*256-1);
+ }
+
+ *dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9);
+
+#if LCD_WIDTH >= LCD_HEIGHT
+ dst++;
+#else
+ dst += LCD_WIDTH;
+#endif
+
+ y = YFAC*(*ysrc++ - 16);
+ r = y + rv;
+ g = y + guv;
+ b = y + bu;
+
+ if ((unsigned)(r | g | b) > 64*256-1)
+ {
+ r = clamp(r, 0, 64*256-1);
+ g = clamp(g, 0, 64*256-1);
+ b = clamp(b, 0, 64*256-1);
+ }
+
+ *dst = LCD_RGBPACK_LCD(r >> 9, g >> 8, b >> 9);
+
+#if LCD_WIDTH >= LCD_HEIGHT
+ dst++;
+#else
+ dst += LCD_WIDTH;
+#endif
+ }
+ while (dst < row_end);
+
+ ysrc += stride;
+ usrc += stride >> 1;
+ vsrc += stride >> 1;
+
+#if LCD_WIDTH >= LCD_HEIGHT
+ row_end += LCD_WIDTH;
+ dst += LCD_WIDTH - width;
+#else
+ row_end -= 1;
+ dst -= LCD_WIDTH*width + 1;
+#endif
+ }
+ while (--linecounter > 0);
+
+#if LCD_WIDTH >= LCD_HEIGHT
+ lcd_update_rect(x, y, width, height);
+#else
+ lcd_update_rect(LCD_WIDTH - y - height, x, height, width);
+#endif
+}
+#endif /* HAVE_LCD_COLOR */