#include "Rendering/RenderTarget.h"
#include <stdlib.h>
#include <string.h>

render_target_t render_target_create(uint32_t width, uint32_t height)
{
    render_target_t target;
    target.width = width;
    target.height = height;

    size_t buffer_size = (size_t)width * height * sizeof(vec4s);
    target.buffer = (vec4s*)malloc(buffer_size);
    memset(target.buffer, 0, buffer_size);
    return target;
}

vec4s render_target_get_pixel(render_target_t* render_target, uint32_t x, uint32_t y)
{
    if (x < render_target->width && y < render_target->height)
    {
        size_t index = (size_t)y * render_target->width + x;
        return render_target->buffer[index];
    }

    return (vec4s){0.0f, 0.0f, 0.0f, 0.0f}; // Return black if out of bounds
}

void render_target_set_pixel(render_target_t* render_target, uint32_t x, uint32_t y, vec4s color)
{
    if (x < render_target->width && y < render_target->height)
    {
        size_t index = (size_t)y * render_target->width + x;
        render_target->buffer[index] = color;
    }
}

void render_target_free(render_target_t* target)
{
    if (target->buffer != NULL)
    {
        free(target->buffer);
        target->buffer = NULL;
    }
}