Commit 37e128b9 authored by Kenneth Graunke's avatar Kenneth Graunke

mesa: make glFramebuffer* check immutable texture level bounds

When a texture is immutable, we can't tack on extra levels
after-the-fact like we could with glTexImage. So check against that
level limit and return an error if it's surpassed.

This fixes:

(Based on a patch by Ilia Mirkin.)

Reviewed-by: Antia Puentes <> [imirkin v2]
Reviewed-by: default avatarNicolai Hähnle <>
parent 5a47abb6
......@@ -3223,11 +3223,19 @@ check_layer(struct gl_context *ctx, GLenum target, GLint layer,
* \return true if no errors, false if errors
static bool
check_level(struct gl_context *ctx, GLenum target, GLint level,
const char *caller)
check_level(struct gl_context *ctx, struct gl_texture_object *texObj,
GLenum target, GLint level, const char *caller)
if ((level < 0) ||
(level >= _mesa_max_texture_levels(ctx, target))) {
/* Section 9.2.8 of the OpenGL 4.6 specification says:
* "If texture refers to an immutable-format texture, level must be
* greater than or equal to zero and smaller than the value of
const int max_levels = texObj->Immutable ? texObj->ImmutableLevels :
_mesa_max_texture_levels(ctx, target);
if (level < 0 || level >= max_levels) {
_mesa_error(ctx, GL_INVALID_VALUE,
"%s(invalid level %d)", caller, level);
return false;
......@@ -3393,7 +3401,7 @@ framebuffer_texture_with_dims(int dims, GLenum target,
if ((dims == 3) && !check_layer(ctx, texObj->Target, layer, caller))
if (!check_level(ctx, textarget, level, caller))
if (!check_level(ctx, texObj, textarget, level, caller))
......@@ -3539,7 +3547,7 @@ frame_buffer_texture(GLuint framebuffer, GLenum target,
if (!check_level(ctx, texObj->Target, level, func))
if (!check_level(ctx, texObj, texObj->Target, level, func))
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