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-rw-r--r--payloads/libpayload/drivers/video/graphics.c38
1 files changed, 18 insertions, 20 deletions
diff --git a/payloads/libpayload/drivers/video/graphics.c b/payloads/libpayload/drivers/video/graphics.c
index 53de3024f9..7f08d40ea2 100644
--- a/payloads/libpayload/drivers/video/graphics.c
+++ b/payloads/libpayload/drivers/video/graphics.c
@@ -274,19 +274,12 @@ static inline uint32_t calculate_color(const struct rgb_color *rgb,
* Plot a pixel in a framebuffer. This is called from tight loops. Keep it slim
* and do the validation at callers' site.
*/
-static inline void set_pixel_raw(struct vector *rcoord, uint32_t color)
+static inline void set_pixel(struct vector *coord, uint32_t color)
{
const int bpp = fbinfo->bits_per_pixel;
const int bpl = fbinfo->bytes_per_line;
- int i;
- uint8_t * const pixel = FB + rcoord->y * bpl + rcoord->x * bpp / 8;
- for (i = 0; i < bpp / 8; i++)
- pixel[i] = (color >> (i * 8));
-}
-
-static inline void set_pixel(struct vector *coord, uint32_t color)
-{
struct vector rcoord;
+ int i;
switch (fbinfo->orientation) {
case CB_FB_ORIENTATION_NORMAL:
@@ -308,7 +301,9 @@ static inline void set_pixel(struct vector *coord, uint32_t color)
break;
}
- set_pixel_raw(&rcoord, color);
+ uint8_t * const pixel = FB + rcoord.y * bpl + rcoord.x * bpp / 8;
+ for (i = 0; i < bpp / 8; i++)
+ pixel[i] = (color >> (i * 8));
}
/*
@@ -625,22 +620,25 @@ int clear_screen(const struct rgb_color *rgb)
if (cbgfx_init())
return CBGFX_ERROR_INIT;
- struct vector p;
+ int x, y, i;
uint32_t color = calculate_color(rgb, 0);
const int bpp = fbinfo->bits_per_pixel;
const int bpl = fbinfo->bytes_per_line;
+ uint8_t *line = malloc(bpl);
- /* If all significant bytes in color are equal, fastpath through memset.
- * We assume that for 32bpp the high byte gets ignored anyway. */
- if ((((color >> 8) & 0xff) == (color & 0xff)) && (bpp == 16 ||
- (((color >> 16) & 0xff) == (color & 0xff)))) {
- memset(FB, color & 0xff, fbinfo->y_resolution * bpl);
- } else {
- for (p.y = 0; p.y < fbinfo->y_resolution; p.y++)
- for (p.x = 0; p.x < fbinfo->x_resolution; p.x++)
- set_pixel_raw(&p, color);
+ if (!line) {
+ LOG("Failed to allocate line buffer (%u bytes)\n", bpl);
+ return CBGFX_ERROR_UNKNOWN;
}
+ /* Set line buffer pixels, then memcpy to framebuffer */
+ for (x = 0; x < fbinfo->x_resolution; x++)
+ for (i = 0; i < bpp / 8; i++)
+ line[x * bpp / 8 + i] = (color >> (i * 8));
+ for (y = 0; y < fbinfo->y_resolution; y++)
+ memcpy(FB + y * bpl, line, bpl);
+
+ free(line);
return CBGFX_SUCCESS;
}