/**
* Helper used by _mesa_TextureStorage1/2/3D().
*/
static void
texturestorage(GLuint dims, GLuint texture, GLsizei levels,
GLenum internalformat, GLsizei width, GLsizei height,
GLsizei depth, const char *caller)
{
struct gl_texture_object *texObj;
GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
_mesa_debug(ctx, "%s %d %d %s %d %d %d\n",
caller, texture, levels,
_mesa_enum_to_string(internalformat),
width, height, depth);
/* Check the format to make sure it is sized. */
if (!_mesa_is_legal_tex_storage_format(ctx, internalformat)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"%s(internalformat = %s)", caller,
_mesa_enum_to_string(internalformat));
return;
}
texObj = _mesa_lookup_texture_err(ctx, texture, caller);
if (!texObj)
return;
/* Check target. This is done here so that texture_storage
* can receive unsized formats.
*/
if (!legal_texobj_target(ctx, dims, texObj->Target)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"%s(illegal target=%s)", caller,
_mesa_enum_to_string(texObj->Target));
return;
}
texture_storage(ctx, dims, texObj, texObj->Target,
levels, internalformat, width, height, depth, true);
}
/**
* Do error checking for calls to glTexStorage1/2/3D().
* If an error is found, record it with _mesa_error(), unless the target
* is a proxy texture.
* \return GL_TRUE if any error, GL_FALSE otherwise.
*/
static GLboolean
tex_storage_error_check(struct gl_context *ctx, GLuint dims, GLenum target,
GLsizei levels, GLenum internalformat,
GLsizei width, GLsizei height, GLsizei depth)
{
struct gl_texture_object *texObj;
if (!_mesa_is_legal_tex_storage_format(ctx, internalformat)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glTexStorage%uD(internalformat = %s)", dims,
_mesa_lookup_enum_by_nr(internalformat));
return GL_TRUE;
}
/* size check */
if (width < 1 || height < 1 || depth < 1) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glTexStorage%uD(width, height or depth < 1)", dims);
return GL_TRUE;
}
/* target check */
if (!legal_texobj_target(ctx, dims, target)) {
_mesa_error(ctx, GL_INVALID_ENUM,
"glTexStorage%uD(illegal target=%s)",
dims, _mesa_lookup_enum_by_nr(target));
return GL_TRUE;
}
/* From section 3.8.6, page 146 of OpenGL ES 3.0 spec:
*
* "The ETC2/EAC texture compression algorithm supports only
* two-dimensional images. If internalformat is an ETC2/EAC format,
* CompressedTexImage3D will generate an INVALID_OPERATION error if
* target is not TEXTURE_2D_ARRAY."
*
* This should also be applicable for glTexStorage3D().
*/
if (_mesa_is_compressed_format(ctx, internalformat)
&& !_mesa_target_can_be_compressed(ctx, target, internalformat)) {
_mesa_error(ctx, _mesa_is_desktop_gl(ctx)?
GL_INVALID_ENUM : GL_INVALID_OPERATION,
"glTexStorage3D(internalformat = %s)",
_mesa_lookup_enum_by_nr(internalformat));
}
/* levels check */
if (levels < 1) {
_mesa_error(ctx, GL_INVALID_VALUE, "glTexStorage%uD(levels < 1)",
dims);
return GL_TRUE;
}
/* check levels against maximum (note different error than above) */
if (levels > (GLint) _mesa_max_texture_levels(ctx, target)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexStorage%uD(levels too large)", dims);
return GL_TRUE;
}
/* check levels against width/height/depth */
if (levels > _mesa_get_tex_max_num_levels(target, width, height, depth)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexStorage%uD(too many levels for max texture dimension)",
dims);
return GL_TRUE;
}
/* non-default texture object check */
texObj = _mesa_get_current_tex_object(ctx, target);
if (!_mesa_is_proxy_texture(target) && (!texObj || (texObj->Name == 0))) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexStorage%uD(texture object 0)", dims);
return GL_TRUE;
}
/* Check if texObj->Immutable is set */
if (!_mesa_is_proxy_texture(target) && texObj->Immutable) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glTexStorage%uD(immutable)",
dims);
return GL_TRUE;
}
/* additional checks for depth textures */
if (!_mesa_legal_texture_base_format_for_target(ctx, target, internalformat,
dims, "glTexStorage"))
return GL_TRUE;
return GL_FALSE;
}
