48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
#pragma once
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "datatypes.cpp"
|
|
#include "helpers.cpp"
|
|
// #include "shader.cpp"
|
|
|
|
namespace UwU {
|
|
// Buffer object - can be a wayland surface or a virtual buffer
|
|
class Buffer {
|
|
public:
|
|
Buffer(uint16_t width, uint16_t height) {
|
|
uint8_t pixels[width * height * 4];
|
|
this->pixels = pixels;
|
|
this->width = width;
|
|
this->height = height;
|
|
this->stride = width * 4;
|
|
}
|
|
// Buffer(uint8_t* pixels, uint16_t width, uint16_t height, uint16_t stride) {
|
|
// this->pixels = pixels;
|
|
// this->width = width;
|
|
// this->height = height;
|
|
// this->stride = stride;
|
|
// }
|
|
Buffer() {}
|
|
uint8_t* pixels;
|
|
uint16_t width;
|
|
uint16_t height;
|
|
uint16_t stride;
|
|
|
|
void drawPixel(uint16_t x, uint16_t y, Color color) {
|
|
// if (color.a == 0) {return;}
|
|
size_t i = (size_t)y * stride + (size_t)x * 4;
|
|
// uint8_t b0 = pixels[i + 0];
|
|
// uint8_t g0 = pixels[i + 1];
|
|
// uint8_t r0 = pixels[i + 2];
|
|
// uint8_t b = Helpers::lerp8(b0, color.b, color.a);
|
|
// uint8_t g = Helpers::lerp8(g0, color.g, color.a);
|
|
// uint8_t r = Helpers::lerp8(r0, color.r, color.a);
|
|
pixels[i + 0] = color.b; // B
|
|
pixels[i + 1] = color.g; // G
|
|
pixels[i + 2] = color.r; // R
|
|
pixels[i + 3] = 0xff; // A
|
|
return;
|
|
}
|
|
};
|
|
} |