Store the number of mipmap levels in the Texture base class

[libs/gl.git] / source / backends / opengl / texture3d_backend.cpp

diff --git a/source/backends/opengl/texture3d_backend.cpp b/source/backends/opengl/texture3d_backend.cpp
index f446e653cfc4a90df6cabc3ce3fe8661541de24d..81783850383c0db70670768e0e318b7cd8e88b13 100644 (file)
--- a/source/backends/opengl/texture3d_backend.cpp
+++ b/source/backends/opengl/texture3d_backend.cpp
@@ -30,11 +30,11 @@ void OpenGLTexture3D::allocate()
        if(ARB_texture_storage)
        {
                if(ARB_direct_state_access)
-                       glTextureStorage3D(id, self.levels, gl_fmt, self.width, self.height, self.depth);
+                       glTextureStorage3D(id, n_levels, gl_fmt, self.width, self.height, self.depth);
                else
                {
                        bind_scratch();
-                       glTexStorage3D(target, self.levels, gl_fmt, self.width, self.height, self.depth);
+                       glTexStorage3D(target, n_levels, gl_fmt, self.width, self.height, self.depth);
                }
        }
        else
@@ -42,12 +42,12 @@ void OpenGLTexture3D::allocate()
                bind_scratch();
                GLenum comp = get_gl_components(get_components(storage_fmt));
                GLenum type = get_gl_type(get_component_type(storage_fmt));
-               for(unsigned i=0; i<self.levels; ++i)
+               for(unsigned i=0; i<n_levels; ++i)
                {
                        auto lv_size = self.get_level_size(i);
                        glTexImage3D(target, i, gl_fmt, lv_size.x, lv_size.y, lv_size.z, 0, comp, type, 0);
                }
-               glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, self.levels-1);
+               glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, n_levels-1);
        }
 
        apply_swizzle();
@@ -80,7 +80,7 @@ size_t OpenGLTexture3D::get_data_size() const
 
        size_t level_size = self.width*self.height*self.depth*get_pixel_size(format);
        size_t total_size = level_size;
-       for(unsigned i=0; i<self.levels; ++i, level_size>>=2)
+       for(unsigned i=0; i<n_levels; ++i, level_size>>=2)
                total_size += level_size;
        return total_size;
 }