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math functions

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Nishi 2026-01-10 19:51:48 +09:00
commit 9d11089a75
Signed by: nishi
GPG key ID: 27EF69B208EB9343
15 changed files with 265 additions and 47 deletions
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engine/src/gl_texture.c Normal file
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#include <GearBox/GL.h>
int GBGLTexturePrepare(GBGL gl, GLuint* texture, unsigned char* rgba, int width, int height) {
glGenTextures(1, texture);
glBindTexture(GL_TEXTURE_2D, *texture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, rgba);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glBindTexture(GL_TEXTURE_2D, 0);
}
void GBGLTextureEnable(GBGL gl, GLuint texture) {
glBindTexture(GL_TEXTURE_2D, texture);
glEnable(GL_TEXTURE_2D);
}
void GBGLTextureDisable(GBGL gl, GLuint texture) {
glDisable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
}