62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
#include <GearSrc/GL.h>
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#include <GearSrc/String.h>
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#include <GearSrc/File.h>
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#include <stb_image.h>
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GSBool GSGLTextureLoadFile(GSGL gl, GLuint* texture, int* width, int* height, const char* filename) {
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GSFile f = GSFileOpen(gl->engine, filename);
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unsigned char* data;
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unsigned char* rgba;
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unsigned long sz;
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int ch;
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GSBool st = GSTrue;
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int w, h;
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if(f == NULL) return GSFalse;
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sz = GSFileSize(f);
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data = malloc(sz);
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GSFileRead(f, data, sz);
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GSFileClose(f);
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if((rgba = stbi_load_from_memory(data, sz, &w, &h, &ch, 4)) == NULL) {
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st = GSFalse;
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} else {
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GSGLTexturePrepare(gl, texture, rgba, w, h);
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free(rgba);
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}
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if(width != NULL) *width = w;
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if(height != NULL) *height = h;
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free(data);
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return st;
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}
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GSBool GSGLTextureTry(GSGL gl, GLuint* texture, int* width, int* height, const char* prefix) {
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char* png = GSStringConcat(prefix, ".png");
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char* bmp = GSStringConcat(prefix, ".bmp");
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char* jpg = GSStringConcat(prefix, ".jpg");
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char* jpeg = GSStringConcat(prefix, ".jpeg");
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GSBool st = GSTrue;
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if(GSGLTextureLoadFile(gl, texture, width, height, prefix)) {
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} else if(GSGLTextureLoadFile(gl, texture, width, height, png)) {
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} else if(GSGLTextureLoadFile(gl, texture, width, height, bmp)) {
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} else if(GSGLTextureLoadFile(gl, texture, width, height, jpg)) {
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} else if(GSGLTextureLoadFile(gl, texture, width, height, jpeg)) {
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} else {
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st = GSFalse;
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}
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free(jpeg);
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free(jpg);
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free(bmp);
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free(png);
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return st;
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}
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