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feat: force always 4 channels per texture

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This commit is contained in:
Amir Adal
2025-10-01 11:25:12 +02:00
parent 303b931fb7
commit 5bcfb18296
1 changed files with 2 additions and 2 deletions
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4
src/texture.cpp
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@ -10,7 +10,7 @@ std::unique_ptr<Texture> Texture::LoadFile(const std::string& filename) {
auto texture = std::make_unique<Texture>();
int w, h, c;
unsigned char *data = stbi_load(filename.c_str(), &w, &h, &c, 0);
unsigned char *data = stbi_load(filename.c_str(), &w, &h, &c, 4);
if (!data) {
std::cerr << "ERROR: Failed to load texture under '" << filename << "'" << std::endl;
std::exit(1);
@ -26,7 +26,7 @@ std::unique_ptr<Texture> Texture::LoadFile(const std::string& filename) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// TODO: automatically detect values for this function
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
glGenerateMipmap(GL_TEXTURE_2D);
std::cout << "Loaded texture under '" << filename << "' with size of " << sizeof(data) << " bytes" << std::endl;