Fcalva/gint
1
0
Fork 0
mirror of https://git.planet-casio.com/Lephenixnoir/gint.git synced 2025-04-04 09:37:10 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

r61523: add partial update function

Browse source
This commit is contained in:
Lephe 2025-03-15 17:08:29 +01:00
parent 252cb7abd8
commit 256487cc7e
No known key found for this signature in database
GPG key ID: 1BBA026E13FC0495
2 changed files with 21 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
include/gint/drivers/r61523.h
View file

@ -16,6 +16,10 @@ extern "C" {
/* r61523_display(): Update the entire display (320x528) */ /* r61523_display(): Update the entire display (320x528) */
void r61523_display(uint16_t *vram); void r61523_display(uint16_t *vram);
/* r61523_display_rect(): Update a rectangle (both bounds included). */
void r61523_display_rect(
uint16_t *vram, int xmin, int xmax, int ymin, int ymax);
/* r61523_win_set(): Set the display window */ /* r61523_win_set(): Set the display window */
void r61523_win_set(int x1, int x2, int y1, int y2); void r61523_win_set(int x1, int x2, int y1, int y2);

18
src/r61523/r61523.c
View file

@ -109,7 +109,6 @@ void r61523_win_set(int x1, int x2, int y1, int y2)
void r61523_display(uint16_t *vram) void r61523_display(uint16_t *vram)
{ {
r61523_win_set(0, 319, 0, 527); r61523_win_set(0, 319, 0, 527);
select(44); select(44);
int row_offset = 0; int row_offset = 0;
@ -125,6 +124,23 @@ void r61523_display(uint16_t *vram)
} }
} }
void r61523_display_rect(
uint16_t *vram, int xmin, int xmax, int ymin, int ymax)
{
// dma_transfer_wait(0);
r61523_win_set(xmin, xmax, ymin, ymax);
select(44);
vram += 320 * ymin + xmin;
uint16_t volatile *DISPLAY = (void *)0xb4000000;
for(int y = 0; y < ymax - ymin + 1; y++) {
for(int x = 0; x < xmax - xmin + 1; x++)
*DISPLAY = vram[x];
vram += 320;
}
}
static bool r61523_update(int x, int y, image_t const *fb, int flags) static bool r61523_update(int x, int y, image_t const *fb, int flags)
{ {
if(fb->format != IMAGE_RGB565) if(fb->format != IMAGE_RGB565)