diff options
Diffstat (limited to 'src/kernel/dev/vesa.c')
| -rw-r--r-- | src/kernel/dev/vesa.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/src/kernel/dev/vesa.c b/src/kernel/dev/vesa.c index a039d01..f77b230 100644 --- a/src/kernel/dev/vesa.c +++ b/src/kernel/dev/vesa.c @@ -243,9 +243,9 @@ fs_node_ops_t vesa_fs_ops = { static struct fb_memory_model { int bpp, rp, gp, bp, rs, gs, bs, mm; } fb_memory_models[8] = { - { 15, 10, 5, 0, 5, 5, 5, FB_MM_RGB16 }, + { 15, 10, 5, 0, 5, 5, 5, FB_MM_RGB15 }, + { 15, 0, 5, 10, 5, 5, 5, FB_MM_BGR15 }, { 16, 10, 5, 0, 5, 5, 5, FB_MM_RGB16 }, - { 15, 0, 5, 10, 5, 5, 5, FB_MM_BGR16 }, { 16, 0, 5, 10, 5, 5, 5, FB_MM_BGR16 }, { 24, 16, 8, 0, 8, 8, 8, FB_MM_RGB24 }, { 24, 0, 8, 16, 8, 8, 8, FB_MM_BGR24 }, @@ -443,12 +443,29 @@ void vesa_clear(vesa_driver_t *d) { int tly = (mode->info.height / 2) - (kogata_logo.height / 2); int tlx = (mode->info.width / 2) - (kogata_logo.width / 2); - int mbpp = (mode->info.bpp / 8); - for (unsigned l = 0; l < kogata_logo.height; l++) { - memcpy(region + (tly + l) * mode->info.pitch + tlx * mbpp, - buffer + kogata_logo.width * l * kogata_logo.bytes_per_pixel, - kogata_logo.width * kogata_logo.bytes_per_pixel); + if (mode->info.bpp == 24) { + for (unsigned l = 0; l < kogata_logo.height; l++) { + memcpy(region + (tly + l) * mode->info.pitch + tlx * 3, + buffer + kogata_logo.width * l * kogata_logo.bytes_per_pixel, + kogata_logo.width * kogata_logo.bytes_per_pixel); + } + } else if (mode->info.bpp == 32) { + for (unsigned l = 0; l < kogata_logo.height; l++) { + uint32_t *p = (uint32_t*)(region + (tly + l) * mode->info.pitch + tlx * 4); + uint8_t *r = (uint8_t*)(buffer + kogata_logo.width * l * kogata_logo.bytes_per_pixel); + for (unsigned c = 0; c < kogata_logo.width; c++) { + p[c] = r[3*c] | (r[3*c+1] << 8) | (r[3*c+2] <<16); + } + } + } else if (mode->info.bpp == 15 || mode->info.bpp == 16) { + for (unsigned l = 0; l < kogata_logo.height; l++) { + uint16_t *p = (uint16_t*)(region + (tly + l) * mode->info.pitch + tlx * 2); + uint8_t *r = (uint8_t*)(buffer + kogata_logo.width * l * kogata_logo.bytes_per_pixel); + for (unsigned c = 0; c < kogata_logo.width; c++) { + p[c] = (r[3*c]/8) | ((r[3*c+1]/8) << 5) | ((r[3*c+2]/8) <<10); + } + } } end: |