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Added graphics/ImageData class

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MihailRis 2023-11-12 03:26:06 +03:00
parent a91fbe7166
commit ffd3e3f852
9 changed files with 110 additions and 61 deletions
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22
src/graphics/Texture.cpp
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@ -1,15 +1,18 @@
#include "Texture.h"
#include <GL/glew.h>
#include <stdexcept>
#include "ImageData.h"
Texture::Texture(unsigned int id, int width, int height) : id(id), width(width), height(height) {
}
Texture::Texture(unsigned char* data, int width, int height) : width(width), height(height) {
Texture::Texture(unsigned char* data, int width, int height, uint format) : width(width), height(height) {
glGenTextures(1, &id);
glBindTexture(GL_TEXTURE_2D, id);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0,
GL_RGBA, GL_UNSIGNED_BYTE, (GLvoid *) data);
glTexImage2D(GL_TEXTURE_2D, 0, format, width, height, 0,
format, GL_UNSIGNED_BYTE, (GLvoid *) data);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0);
@ -21,7 +24,6 @@ Texture::~Texture() {
void Texture::bind(){
glBindTexture(GL_TEXTURE_2D, id);
// glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, id);
}
void Texture::reload(unsigned char* data){
@ -30,3 +32,15 @@ void Texture::reload(unsigned char* data){
GL_RGBA, GL_UNSIGNED_BYTE, (GLvoid *) data);
glBindTexture(GL_TEXTURE_2D, 0);
}
Texture* Texture::from(const ImageData* image) {
uint format;
const void* data = image->getData();
switch (image->getFormat()) {
case ImageFormat::rgb888: format = GL_RGB; break;
case ImageFormat::rgba8888: format = GL_RGBA; break;
default:
throw std::runtime_error("unsupported image data format");
}
return new Texture((unsigned char*)data, image->getWidth(), image->getHeight(), format);
}