48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#include "render/BBRenderer.h"
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#include "assert.h"
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#include "bootboot.h"
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extern BOOTBOOT bootboot;
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extern uint8_t fb[4];
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bool BBRenderer::init()
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{
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// FIXME: Support more framebuffer types
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return bootboot.fb_type == FB_ARGB;
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}
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void BBRenderer::set_pixel(uint32_t x, uint32_t y, Color color)
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{
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*(uint32_t*)(fb + bootboot.fb_scanline * y + x * 4) = *(uint32_t*)&color;
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}
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Color BBRenderer::get_pixel(uint32_t x, uint32_t y)
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{
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return *(Color*)(fb + bootboot.fb_scanline * y + x * 4);
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}
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void BBRenderer::clear(Color color)
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{
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paint_rect(0, 0, bootboot.fb_width, bootboot.fb_height, color);
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}
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void BBRenderer::paint_rect(uint32_t x, uint32_t y, uint32_t w, uint32_t h, Color color)
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{
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for (uint32_t i = y; i < (y + h); i++)
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{
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uint64_t addr = (uint64_t)(fb + (bootboot.fb_scanline * i) + (x * 4));
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for (uint64_t addr_current = addr; addr_current < (addr + w * 4); addr_current += 4)
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{
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*(uint32_t*)addr_current = *(uint32_t*)&color;
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}
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}
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}
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void BBRenderer::paint_rect(uint32_t x, uint32_t y, uint32_t w, uint32_t h, Color* colors)
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{
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uint32_t j;
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for (uint32_t l = j = 0; l < h; l++)
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{
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for (uint32_t i = 0; i < w; i++, j++) { set_pixel(x + i, y + l, colors[j]); }
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}
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} |