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#include "gfx.h"
#include "memory.h"
#include "bootinfo.h"
// byteswap
u32 make_color(color col)
{
return ((u32) 0)
| ((u32) col.b << 0)
| ((u32) col.g << 8)
| ((u32) col.r << 16)
| ((u32) col.a << 24);
}
void gfx_set_pixel(u16 x, u16 y, u32 col)
{
u32 *out = bootinfo->gfx_framebuffer + y * bootinfo->gfx_pitch + x * sizeof col;
*out = col;
BARRIER_VAR(out);
}
void gfx_set_area(u16 x, u16 y, u16 w, u16 h, u32 col)
{
void *cbeg = bootinfo->gfx_framebuffer + y * bootinfo->gfx_pitch + x * sizeof col;
void *cend = cbeg + h * bootinfo->gfx_pitch;
for (; cbeg < cend; cbeg += bootinfo->gfx_pitch) {
u32 *rbeg = cbeg;
u32 *rend = rbeg + w;
for (; rbeg < rend; rbeg++)
*rbeg = col;
}
BARRIER_VAR(cbeg);
}
void gfx_draw_img(u16 x, u16 y, u16 w, u16 h, u32 *img)
{
void *cbeg = bootinfo->gfx_framebuffer + y * bootinfo->gfx_pitch + x * sizeof(color);
for (u16 yi = 0; yi < h; cbeg += bootinfo->gfx_pitch, yi++)
lmemcpy(cbeg, img + yi * w, w * sizeof(color));
BARRIER_VAR(cbeg);
}
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