[Mesa-dev] [PATCH 1/6] dri: add driWarnImmutableTexture()

[nobled]

This warns about trying to respecify a texture marked immutable
by GL_ARB_texture_storage.
---
 src/mesa/drivers/dri/common/dri_util.c |   14 ++++++++++++++
 src/mesa/drivers/dri/common/dri_util.h |    3 +++
 2 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/common/dri_util.c
b/src/mesa/drivers/dri/common/dri_util.c
index 53707a8..4b11ea5 100644
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -596,3 +596,17 @@ driUpdateFramebufferSize(struct gl_context *ctx,
const __DRIdrawable *dPriv)
       assert(fb->Height == dPriv->h);
    }
 }
+
+/**
+ * Every DRI driver needs to give this warning in its setTexBuffer2()
+ * implementation, so this is kept in common code.
+ */
+void
+driWarnImmutableTexture(struct gl_context *ctx, GLuint texture)
+{
+   _mesa_problem(ctx, "Texture %u is immutable and can't be modified with"
+                 " glXBindTexImageEXT() or eglBindTexImage(). There should be"
+                 " a BadMatch or EGL_BAD_MATCH error here, but a version"
+                 " of the DRI interface that can't report errors was used.",
+                 texture);
+}
diff --git a/src/mesa/drivers/dri/common/dri_util.h
b/src/mesa/drivers/dri/common/dri_util.h
index 900f048..3740f06 100644
--- a/src/mesa/drivers/dri/common/dri_util.h
+++ b/src/mesa/drivers/dri/common/dri_util.h
@@ -266,4 +266,7 @@ dri2InvalidateDrawable(__DRIdrawable *drawable);
 extern void
 driUpdateFramebufferSize(struct gl_context *ctx, const __DRIdrawable *dPriv);

+extern void
+driWarnImmutableTexture(struct gl_context *ctx, GLuint texture);
+
 #endif /* _DRI_UTIL_H_ */
-- 
1.7.4.1