diff options
Diffstat (limited to 'hw/display/sm501.c')
-rw-r--r-- | hw/display/sm501.c | 160 |
1 files changed, 80 insertions, 80 deletions
diff --git a/hw/display/sm501.c b/hw/display/sm501.c index 8966b69bc7..8789722ef2 100644 --- a/hw/display/sm501.c +++ b/hw/display/sm501.c @@ -1558,86 +1558,85 @@ typedef void draw_hwc_line_func(uint8_t *d, const uint8_t *s, int width, const uint8_t *palette, int c_x, int c_y); -#define DEPTH 8 -#include "sm501_template.h" - -#define DEPTH 15 -#include "sm501_template.h" - -#define BGR_FORMAT -#define DEPTH 15 -#include "sm501_template.h" - -#define DEPTH 16 -#include "sm501_template.h" - -#define BGR_FORMAT -#define DEPTH 16 -#include "sm501_template.h" - -#define DEPTH 32 -#include "sm501_template.h" - -#define BGR_FORMAT -#define DEPTH 32 -#include "sm501_template.h" - -static draw_line_func *draw_line8_funcs[] = { - draw_line8_8, - draw_line8_15, - draw_line8_16, - draw_line8_32, - draw_line8_32bgr, - draw_line8_15bgr, - draw_line8_16bgr, -}; - -static draw_line_func *draw_line16_funcs[] = { - draw_line16_8, - draw_line16_15, - draw_line16_16, - draw_line16_32, - draw_line16_32bgr, - draw_line16_15bgr, - draw_line16_16bgr, -}; +static void draw_line8_32(uint8_t *d, const uint8_t *s, int width, + const uint32_t *pal) +{ + uint8_t v, r, g, b; + do { + v = ldub_p(s); + r = (pal[v] >> 16) & 0xff; + g = (pal[v] >> 8) & 0xff; + b = (pal[v] >> 0) & 0xff; + *(uint32_t *)d = rgb_to_pixel32(r, g, b); + s++; + d += 4; + } while (--width != 0); +} -static draw_line_func *draw_line32_funcs[] = { - draw_line32_8, - draw_line32_15, - draw_line32_16, - draw_line32_32, - draw_line32_32bgr, - draw_line32_15bgr, - draw_line32_16bgr, -}; +static void draw_line16_32(uint8_t *d, const uint8_t *s, int width, + const uint32_t *pal) +{ + uint16_t rgb565; + uint8_t r, g, b; + + do { + rgb565 = lduw_le_p(s); + r = (rgb565 >> 8) & 0xf8; + g = (rgb565 >> 3) & 0xfc; + b = (rgb565 << 3) & 0xf8; + *(uint32_t *)d = rgb_to_pixel32(r, g, b); + s += 2; + d += 4; + } while (--width != 0); +} -static draw_hwc_line_func *draw_hwc_line_funcs[] = { - draw_hwc_line_8, - draw_hwc_line_15, - draw_hwc_line_16, - draw_hwc_line_32, - draw_hwc_line_32bgr, - draw_hwc_line_15bgr, - draw_hwc_line_16bgr, -}; +static void draw_line32_32(uint8_t *d, const uint8_t *s, int width, + const uint32_t *pal) +{ + uint8_t r, g, b; + + do { + r = s[2]; + g = s[1]; + b = s[0]; + *(uint32_t *)d = rgb_to_pixel32(r, g, b); + s += 4; + d += 4; + } while (--width != 0); +} -static inline int get_depth_index(DisplaySurface *surface) +/** + * Draw hardware cursor image on the given line. + */ +static void draw_hwc_line_32(uint8_t *d, const uint8_t *s, int width, + const uint8_t *palette, int c_x, int c_y) { - switch (surface_bits_per_pixel(surface)) { - default: - case 8: - return 0; - case 15: - return 1; - case 16: - return 2; - case 32: - if (is_surface_bgr(surface)) { - return 4; - } else { - return 3; + int i; + uint8_t r, g, b, v, bitset = 0; + + /* get cursor position */ + assert(0 <= c_y && c_y < SM501_HWC_HEIGHT); + s += SM501_HWC_WIDTH * c_y / 4; /* 4 pixels per byte */ + d += c_x * 4; + + for (i = 0; i < SM501_HWC_WIDTH && c_x + i < width; i++) { + /* get pixel value */ + if (i % 4 == 0) { + bitset = ldub_p(s); + s++; } + v = bitset & 3; + bitset >>= 2; + + /* write pixel */ + if (v) { + v--; + r = palette[v * 3 + 0]; + g = palette[v * 3 + 1]; + b = palette[v * 3 + 2]; + *(uint32_t *)d = rgb_to_pixel32(r, g, b); + } + d += 4; } } @@ -1652,7 +1651,6 @@ static void sm501_update_display(void *opaque) int height = get_height(s, crt); int src_bpp = get_bpp(s, crt); int dst_bpp = surface_bytes_per_pixel(surface); - int dst_depth_index = get_depth_index(surface); draw_line_func *draw_line = NULL; draw_hwc_line_func *draw_hwc_line = NULL; int full_update = 0; @@ -1662,6 +1660,8 @@ static void sm501_update_display(void *opaque) uint8_t hwc_palette[3 * 3]; uint8_t *hwc_src = NULL; + assert(dst_bpp == 4); /* Output is always 32-bit RGB */ + if (!((crt ? s->dc_crt_control : s->dc_panel_control) & SM501_DC_CRT_CONTROL_ENABLE)) { return; @@ -1674,13 +1674,13 @@ static void sm501_update_display(void *opaque) /* choose draw_line function */ switch (src_bpp) { case 1: - draw_line = draw_line8_funcs[dst_depth_index]; + draw_line = draw_line8_32; break; case 2: - draw_line = draw_line16_funcs[dst_depth_index]; + draw_line = draw_line16_32; break; case 4: - draw_line = draw_line32_funcs[dst_depth_index]; + draw_line = draw_line32_32; break; default: qemu_log_mask(LOG_GUEST_ERROR, "sm501: update display" @@ -1691,7 +1691,7 @@ static void sm501_update_display(void *opaque) /* set up to draw hardware cursor */ if (is_hwc_enabled(s, crt)) { /* choose cursor draw line function */ - draw_hwc_line = draw_hwc_line_funcs[dst_depth_index]; + draw_hwc_line = draw_hwc_line_32; hwc_src = get_hwc_address(s, crt); c_x = get_hwc_x(s, crt); c_y = get_hwc_y(s, crt); |