[chore]: cleanup shaders

1 files changed, 6 insertions, 0 deletions

diff --git a/src/platform/opengl/opengl_device.cpp b/src/platform/opengl/opengl_device.cpp
index 7ef0ba1..614e515 100644
--- a/src/platform/opengl/opengl_device.cpp
+++ b/src/platform/opengl/opengl_device.cpp
@@ -120,11 +120,17 @@ namespace Donut::RHI
                     {
                         GLuint bi = glGetUniformBlockIndex(m_prog, r.name.c_str());
                         if (bi != GL_INVALID_INDEX) glUniformBlockBinding(m_prog, bi, r.binding);
+                        // Not found: the ConstantBuffer<> type name in the shader no longer
+                        // matches this resource string, so the UBO silently won't bind.
+                        else DONUT_WARN("GL RHI: shader '{}' has no uniform block '{}' (binding {})",
+                                        d.shader, r.name, r.binding);
                     }
                     else // Texture: point the sampler at texture unit == binding
                     {
                         GLint loc = glGetUniformLocation(m_prog, r.name.c_str());
                         if (loc >= 0) glUniform1i(loc, (GLint)r.binding);
+                        else DONUT_WARN("GL RHI: shader '{}' has no sampler '{}' (unit {})",
+                                        d.shader, r.name, r.binding);
                     }
                 }
                 glUseProgram(0);