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sm501: Misc clean ups

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- Rename a variable
- Move variable declarations out of loop to the beginning in draw_hwc_line

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Message-id: 187c9e4e09d9bc2967b2454b36bb088ceef0b8bc.1492787889.git.balaton@eik.bme.hu
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
BALATON Zoltan 2017-04-21 17:18:09 +02:00 committed by Peter Maydell
parent 6a2a5aae02
commit 01d2d584c9
2 changed files with 9 additions and 11 deletions
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10
hw/display/sm501.c
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@ -1313,7 +1313,7 @@ static void sm501_draw_crt(SM501State *s)
uint32_t *palette = (uint32_t *)&s->dc_palette[SM501_DC_CRT_PALETTE -
SM501_DC_PANEL_PALETTE];
uint8_t hwc_palette[3 * 3];
int ds_depth_index = get_depth_index(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;
@ -1325,13 +1325,13 @@ static void sm501_draw_crt(SM501State *s)
/* choose draw_line function */
switch (src_bpp) {
case 1:
draw_line = draw_line8_funcs[ds_depth_index];
draw_line = draw_line8_funcs[dst_depth_index];
break;
case 2:
draw_line = draw_line16_funcs[ds_depth_index];
draw_line = draw_line16_funcs[dst_depth_index];
break;
case 4:
draw_line = draw_line32_funcs[ds_depth_index];
draw_line = draw_line32_funcs[dst_depth_index];
break;
default:
printf("sm501 draw crt : invalid DC_CRT_CONTROL=%x.\n",
@ -1343,7 +1343,7 @@ static void sm501_draw_crt(SM501State *s)
/* set up to draw hardware cursor */
if (is_hwc_enabled(s, 1)) {
/* choose cursor draw line function */
draw_hwc_line = draw_hwc_line_funcs[ds_depth_index];
draw_hwc_line = draw_hwc_line_funcs[dst_depth_index];
hwc_src = get_hwc_address(s, 1);
c_x = get_hwc_x(s, 1);
c_y = get_hwc_y(s, 1);

10
hw/display/sm501_template.h
View File

@ -96,7 +96,7 @@ static void glue(draw_hwc_line_, PIXEL_NAME)(uint8_t *d, const uint8_t *s,
int width, const uint8_t *palette, int c_x, int c_y)
{
int i;
uint8_t bitset = 0;
uint8_t r, g, b, v, bitset = 0;
/* get cursor position */
assert(0 <= c_y && c_y < SM501_HWC_HEIGHT);
@ -104,8 +104,6 @@ static void glue(draw_hwc_line_, PIXEL_NAME)(uint8_t *d, const uint8_t *s,
d += c_x * BPP;
for (i = 0; i < SM501_HWC_WIDTH && c_x + i < width; i++) {
uint8_t v;
/* get pixel value */
if (i % 4 == 0) {
bitset = ldub_p(s);
@ -117,9 +115,9 @@ static void glue(draw_hwc_line_, PIXEL_NAME)(uint8_t *d, const uint8_t *s,
/* write pixel */
if (v) {
v--;
uint8_t r = palette[v * 3 + 0];
uint8_t g = palette[v * 3 + 1];
uint8_t b = palette[v * 3 + 2];
r = palette[v * 3 + 0];
g = palette[v * 3 + 1];
b = palette[v * 3 + 2];
*(PIXEL_TYPE *)d = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
}
d += BPP;