/**
* Helper used by _mesa_TexStorage1/2/3D().
*/
static void
texstorage(GLuint dims, GLenum target, GLsizei levels, GLenum internalformat,
GLsizei width, GLsizei height, GLsizei depth)
{
struct gl_texture_object *texObj;
GLboolean error;
GET_CURRENT_CONTEXT(ctx);
texObj = _mesa_get_current_tex_object(ctx, target);
error = tex_storage_error_check(ctx, dims, target, levels,
internalformat, width, height, depth);
if (!error) {
setup_texstorage(ctx, texObj, dims, levels, internalformat,
width, height, depth);
}
else if (_mesa_is_proxy_texture(target)) {
/* clear all image fields for [levels] */
clear_image_fields(ctx, dims, texObj);
}
}
/**
* Helper that does the storage allocation for _mesa_TexStorage1/2/3D()
* and _mesa_TextureStorage1/2/3D().
*/
static void
texture_storage(struct gl_context *ctx, GLuint dims,
struct gl_texture_object *texObj,
GLenum target, GLsizei levels,
GLenum internalformat, GLsizei width,
GLsizei height, GLsizei depth, bool dsa)
{
GLboolean sizeOK, dimensionsOK;
mesa_format texFormat;
const char* suffix = dsa ? "ture" : "";
assert(texObj);
if (tex_storage_error_check(ctx, texObj, dims, target, levels,
internalformat, width, height, depth, dsa)) {
return; /* error was recorded */
}
texFormat = _mesa_choose_texture_format(ctx, texObj, target, 0,
internalformat, GL_NONE, GL_NONE);
/* check that width, height, depth are legal for the mipmap level */
dimensionsOK = _mesa_legal_texture_dimensions(ctx, target, 0,
width, height, depth, 0);
sizeOK = ctx->Driver.TestProxyTexImage(ctx, target, levels, 0, texFormat,
1, width, height, depth);
if (_mesa_is_proxy_texture(target)) {
if (dimensionsOK && sizeOK) {
initialize_texture_fields(ctx, texObj, levels, width, height, depth,
internalformat, texFormat);
}
else {
/* clear all image fields for [levels] */
clear_texture_fields(ctx, texObj);
}
}
else {
if (!dimensionsOK) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glTex%sStorage%uD(invalid width, height or depth)",
suffix, dims);
return;
}
if (!sizeOK) {
_mesa_error(ctx, GL_OUT_OF_MEMORY,
"glTex%sStorage%uD(texture too large)",
suffix, dims);
}
assert(levels > 0);
assert(width > 0);
assert(height > 0);
assert(depth > 0);
if (!initialize_texture_fields(ctx, texObj, levels, width, height, depth,
internalformat, texFormat)) {
return;
}
/* 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.
*/
clear_texture_fields(ctx, texObj);
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTex%sStorage%uD",
suffix, dims);
return;
}
_mesa_set_texture_view_state(ctx, texObj, target, levels);
update_fbo_texture(ctx, texObj);
}
}
/**
* Helper used by _mesa_TexStorage1/2/3D().
*/
static void
texstorage(GLuint dims, GLenum target, GLsizei levels, GLenum internalformat,
GLsizei width, GLsizei height, GLsizei depth)
{
struct gl_texture_object *texObj;
GLboolean sizeOK, dimensionsOK;
gl_format texFormat;
GET_CURRENT_CONTEXT(ctx);
if (tex_storage_error_check(ctx, dims, target, levels,
internalformat, width, height, depth)) {
return; /* error was recorded */
}
texObj = _mesa_get_current_tex_object(ctx, target);
assert(texObj);
texFormat = _mesa_choose_texture_format(ctx, texObj, target, 0,
internalformat, GL_NONE, GL_NONE);
assert(texFormat != MESA_FORMAT_NONE);
/* check that width, height, depth are legal for the mipmap level */
dimensionsOK = _mesa_legal_texture_dimensions(ctx, target, 0,
width, height, depth, 0);
sizeOK = ctx->Driver.TestProxyTexImage(ctx, target, 0, texFormat,
width, height, depth, 0);
if (_mesa_is_proxy_texture(texObj->Target)) {
if (dimensionsOK && sizeOK) {
initialize_texture_fields(ctx, texObj, levels, width, height, depth,
internalformat, texFormat);
}
else {
/* clear all image fields for [levels] */
clear_texture_fields(ctx, texObj);
}
}
else {
if (!dimensionsOK) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glTexStorage%uD(invalid width, height or depth)", dims);
return;
}
if (!sizeOK) {
_mesa_error(ctx, GL_OUT_OF_MEMORY,
"glTexStorage%uD(texture too large)", dims);
}
assert(levels > 0);
assert(width > 0);
assert(height > 0);
assert(depth > 0);
if (!initialize_texture_fields(ctx, texObj, levels, width, height, depth,
internalformat, texFormat)) {
return;
}
/* 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.
*/
clear_texture_fields(ctx, texObj);
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage%uD", dims);
return;
}
texObj->Immutable = GL_TRUE;
texObj->ImmutableLevels = levels;
}
}
