static GLboolean
initialize_texture_fields(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLint levels,
GLsizei width, GLsizei height, GLsizei depth,
GLenum internalFormat, gl_format texFormat)
{
const GLenum target = texObj->Target;
const GLuint numFaces = _mesa_num_tex_faces(target);
GLint level, levelWidth = width, levelHeight = height, levelDepth = depth;
GLuint face;
/* Set up all the texture object's gl_texture_images */
for (level = 0; level < levels; level++) {
for (face = 0; face < numFaces; face++) {
struct gl_texture_image *texImage =
get_tex_image(ctx, texObj, face, level);
if (!texImage) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage");
return GL_FALSE;
}
_mesa_init_teximage_fields(ctx, texImage,
levelWidth, levelHeight, levelDepth,
0, internalFormat, texFormat);
}
next_mipmap_level_size(target, &levelWidth, &levelHeight, &levelDepth);
}
return GL_TRUE;
}
/**
* Do actual memory allocation for glTexStorage1/2/3D().
*/
static void
setup_texstorage(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLuint dims,
GLsizei levels, GLenum internalFormat,
GLsizei width, GLsizei height, GLsizei depth)
{
const GLenum target = texObj->Target;
const GLuint numFaces = (target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
gl_format texFormat;
GLint level, levelWidth = width, levelHeight = height, levelDepth = depth;
GLuint face;
assert(levels > 0);
assert(width > 0);
assert(height > 0);
assert(depth > 0);
texFormat = _mesa_choose_texture_format(ctx, texObj, target, 0,
internalFormat, GL_NONE, GL_NONE);
/* Set up all the texture object's gl_texture_images */
for (level = 0; level < levels; level++) {
for (face = 0; face < numFaces; face++) {
const GLenum faceTarget =
(target == GL_TEXTURE_CUBE_MAP)
? GL_TEXTURE_CUBE_MAP_POSITIVE_X + face : target;
struct gl_texture_image *texImage =
_mesa_get_tex_image(ctx, texObj, faceTarget, level);
if (!texImage) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uD", dims);
return;
}
_mesa_init_teximage_fields(ctx, target, texImage,
levelWidth, levelHeight, levelDepth,
0, internalFormat, texFormat);
}
next_mipmap_level_size(target, &levelWidth, &levelHeight, &levelDepth);
}
assert(levelWidth > 0);
assert(levelHeight > 0);
assert(levelDepth > 0);
if (!_mesa_is_proxy_texture(texObj->Target)) {
/* Do actual texture memory allocation */
if (!ctx->Driver.AllocTextureStorage(ctx, texObj, levels,
width, height, depth)) {
/* Reset the texture images' info to zeros.
* Strictly speaking, we probably don't have to do this since
* generating GL_OUT_OF_MEMORY can leave things in an undefined
* state but this puts things in a consistent state.
*/
for (level = 0; level < levels; level++) {
for (face = 0; face < numFaces; face++) {
struct gl_texture_image *texImage = texObj->Image[face][level];
if (texImage) {
_mesa_init_teximage_fields(ctx, target, texImage,
0, 0, 0, 0,
GL_NONE, MESA_FORMAT_NONE);
}
}
}
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage%uD", dims);
return;
}
}
texObj->Immutable = GL_TRUE;
}
