fix possible bug in uniform sample code

ago%!(EXTRA string=6 years) · a6945cb852
parent f67165c2bb
commit a6945cb852
1 changed files with 1 additions and 1 deletions
--- a/stb_voxel_render.h
+++ b/stb_voxel_render.h
@ -614,7 +614,7 @@ void setup_uniforms(GLuint shader, float camera_pos[4], GLuint tex1, GLuint tex2
      stbvox_uniform_info sui;
      if (stbvox_get_uniform_info(&sui, i)) {
         GLint loc = glGetUniformLocation(shader, sui.name);
-         if (loc != 0) {
+         if (loc != -1) {
            switch (i) {
               case STBVOX_UNIFORM_camera_pos: // only needed for fog
                  glUniform4fv(loc, sui.array_length, camera_pos);