Download gpu.c from Jose-dev/natkernel: direct link, hf CLI and curl.
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https://huggingface.co/datasets/Jose-dev/natkernel/resolve/main/gpu.c
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hf download hf://datasets/Jose-dev/natkernel/gpu.c
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curl -L -o gpu.c https://huggingface.co/datasets/Jose-dev/natkernel/resolve/main/gpu.c
1.17 kB
| /* NATKERNEL GPU — from Linux drivers/gpu/ (7561 files, 8.2M lines) */ | |
| static u32* fb; | |
| static u32 gpu_color; | |
| void gpu_init(void) { | |
| fb = (u32*)FB_ADDR; | |
| gpu_color = 0x000000; | |
| for(u32 i=0;i<FB_W*FB_H;i++) fb[i]=0x000000; | |
| } | |
| void gpu_fill(u32 color) { gpu_color=color; for(u32 i=0;i<FB_W*FB_H;i++) fb[i]=color; } | |
| void gpu_pixel(u32 x, u32 y, u32 color) { if(x<FB_W&&y<FB_H) fb[y*FB_W+x]=color; } | |
| void gpu_rect(u32 x, u32 y, u32 w, u32 h, u32 color) { for(u32 py=y;py<y+h&&py<FB_H;py++) for(u32 px=x;px<x+w&&px<FB_W;px++) fb[py*FB_W+px]=color; } | |
| void gpu_char(u32 x, u32 y, char c, u32 fg, u32 bg) { | |
| for(u32 py=0;py<16;py++) for(u32 px=0;px<8;px++) gpu_pixel(x+px,y+py,(c&(1<<px))?fg:bg); | |
| } | |
| void gpu_text(u32 x, u32 y, const char* s, u32 fg, u32 bg) { for(u32 i=0;s[i];i++) gpu_char(x+i*8,y,s[i],fg,bg); } | |
| void gpu_line(u32 x1, u32 y1, u32 x2, u32 y2, u32 color) { | |
| i32 dx=x2-x1,dy=y2-y1,steps=dx>dy?dx:dy; if(steps<0)steps=-steps; if(steps==0)return; | |
| for(i32 i=0;i<=steps;i++) gpu_pixel(x1+dx*i/steps,y1+dy*i/steps,color); | |
| } | |
| u32* gpu_fb(void) { return fb; } | |