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got basic framebuffer

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Lauchmelder 2022-01-23 16:44:47 +01:00
parent 59f5fb2c6e
commit baa0de8847
5 changed files with 155 additions and 1 deletions
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30
include/framebuffer.h Normal file
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@ -0,0 +1,30 @@
#pragma once
#include "stdint.h"
struct FrameBuffer
{
struct
{
uint32_t width;
uint32_t height;
} physicalDisplay;
struct
{
uint32_t width;
uint32_t height;
uint32_t xOffset;
uint32_t yOffset;
} virtualDisplay;
uint32_t pitch;
uint32_t bitsPerPixel;
uint8_t* pixels;
uint32_t size;
};
struct FrameBuffer* framebuffer_init(unsigned int width, unsigned int height);
void framebuffer_release(void);
void draw_test_image(void);

6
include/mb.h
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@ -2,5 +2,9 @@
#include "stdint.h"
struct FrameBuffer;
uint32_t get_vc_firmware_rev(void);
uint8_t* get_board_mac_address(uint8_t* buffer);
uint8_t* get_board_mac_address(uint8_t* buffer);
void create_framebuffer(struct FrameBuffer* buffer, unsigned int width, unsigned int height);