/* Work back from the specified level of the image to the baselevel and create a
* miptree of that size.
*/
struct intel_mipmap_tree *
intel_miptree_create_for_teximage(struct brw_context *brw,
struct intel_texture_object *intelObj,
struct intel_texture_image *intelImage,
uint32_t layout_flags)
{
GLuint lastLevel;
int width, height, depth;
GLuint i;
intel_miptree_get_dimensions_for_image(&intelImage->base.Base,
&width, &height, &depth);
DBG("%s\n", __func__);
/* Figure out image dimensions at start level. */
for (i = intelImage->base.Base.Level; i > 0; i--) {
width <<= 1;
if (height != 1)
height <<= 1;
if (depth != 1)
depth <<= 1;
}
/* Guess a reasonable value for lastLevel. This is probably going
* to be wrong fairly often and might mean that we have to look at
* resizable buffers, or require that buffers implement lazy
* pagetable arrangements.
*/
if ((intelObj->base.Sampler.MinFilter == GL_NEAREST ||
intelObj->base.Sampler.MinFilter == GL_LINEAR) &&
intelImage->base.Base.Level == 0 &&
!intelObj->base.GenerateMipmap) {
lastLevel = 0;
} else {
lastLevel = _mesa_get_tex_max_num_levels(intelObj->base.Target,
width, height, depth) - 1;
}
return intel_miptree_create(brw,
intelObj->base.Target,
intelImage->base.Base.TexFormat,
0,
lastLevel,
width,
height,
depth,
intelImage->base.Base.NumSamples,
layout_flags | MIPTREE_LAYOUT_ALLOC_ANY_TILED);
}
/**
* 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,
struct gl_texture_object *texObj,
GLuint dims, GLenum target,
GLsizei levels, GLenum internalformat,
GLsizei width, GLsizei height, GLsizei depth,
bool dsa)
{
const char* suffix = dsa ? "ture" : "";
/* Legal format checking has been moved to texstorage and texturestorage in
* order to allow meta functions to use legacy formats. */
/* size check */
if (!_mesa_valid_tex_storage_dim(width, height, depth)) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glTex%sStorage%uD(width, height or depth < 1)",
suffix, dims);
return GL_TRUE;
}
if (_mesa_is_compressed_format(ctx, internalformat)) {
GLenum err;
if (!_mesa_target_can_be_compressed(ctx, target, internalformat, &err)) {
_mesa_error(ctx, err,
"glTex%sStorage%dD(internalformat = %s)", suffix, dims,
_mesa_enum_to_string(internalformat));
return GL_TRUE;
}
}
/* levels check */
if (levels < 1) {
_mesa_error(ctx, GL_INVALID_VALUE, "glTex%sStorage%uD(levels < 1)",
suffix, 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,
"glTex%sStorage%uD(levels too large)",
suffix, 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,
"glTex%sStorage%uD(too many levels"
" for max texture dimension)",
suffix, dims);
return GL_TRUE;
}
/* non-default texture object check */
if (!_mesa_is_proxy_texture(target) && (!texObj || (texObj->Name == 0))) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTex%sStorage%uD(texture object 0)",
suffix, dims);
return GL_TRUE;
}
/* Check if texObj->Immutable is set */
if (!_mesa_is_proxy_texture(target) && texObj->Immutable) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glTex%sStorage%uD(immutable)",
suffix, dims);
return GL_TRUE;
}
/* additional checks for depth textures */
if (!_mesa_legal_texture_base_format_for_target(ctx, target, internalformat)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glTex%sStorage%uD(bad target for texture)",
suffix, dims);
return GL_TRUE;
}
return GL_FALSE;
}
/* Work back from the specified level of the image to the baselevel and create a
* miptree of that size.
*/
struct intel_mipmap_tree *
intel_miptree_create_for_teximage(struct intel_context *intel,
struct intel_texture_object *intelObj,
struct intel_texture_image *intelImage,
bool expect_accelerated_upload)
{
GLuint firstLevel;
GLuint lastLevel;
int width, height, depth;
GLuint i;
intel_miptree_get_dimensions_for_image(&intelImage->base.Base,
&width, &height, &depth);
DBG("%s\n", __FUNCTION__);
if (intelImage->base.Base.Level > intelObj->base.BaseLevel &&
(width == 1 ||
(intelObj->base.Target != GL_TEXTURE_1D && height == 1) ||
(intelObj->base.Target == GL_TEXTURE_3D && depth == 1))) {
/* For this combination, we're at some lower mipmap level and
* some important dimension is 1. We can't extrapolate up to a
* likely base level width/height/depth for a full mipmap stack
* from this info, so just allocate this one level.
*/
firstLevel = intelImage->base.Base.Level;
lastLevel = intelImage->base.Base.Level;
} else {
/* If this image disrespects BaseLevel, allocate from level zero.
* Usually BaseLevel == 0, so it's unlikely to happen.
*/
if (intelImage->base.Base.Level < intelObj->base.BaseLevel)
firstLevel = 0;
else
firstLevel = intelObj->base.BaseLevel;
/* Figure out image dimensions at start level. */
for (i = intelImage->base.Base.Level; i > firstLevel; i--) {
width <<= 1;
if (height != 1)
height <<= 1;
if (depth != 1)
depth <<= 1;
}
/* Guess a reasonable value for lastLevel. This is probably going
* to be wrong fairly often and might mean that we have to look at
* resizable buffers, or require that buffers implement lazy
* pagetable arrangements.
*/
if ((intelObj->base.Sampler.MinFilter == GL_NEAREST ||
intelObj->base.Sampler.MinFilter == GL_LINEAR) &&
intelImage->base.Base.Level == firstLevel) {
lastLevel = firstLevel;
} else {
lastLevel = (firstLevel +
_mesa_get_tex_max_num_levels(intelObj->base.Target,
width, height, depth) - 1);
}
}
return intel_miptree_create(intel,
intelObj->base.Target,
intelImage->base.Base.TexFormat,
firstLevel,
lastLevel,
width,
height,
depth,
expect_accelerated_upload,
INTEL_MIPTREE_TILING_ANY);
}
/**
* Try to allocate a pipe_resource object for the given st_texture_object.
*
* We use the given st_texture_image as a clue to determine the size of the
* mipmap image at level=0.
*
* \return GL_TRUE for success, GL_FALSE if out of memory.
*/
static GLboolean
guess_and_alloc_texture(struct st_context *st,
struct st_texture_object *stObj,
const struct st_texture_image *stImage)
{
GLuint lastLevel, width, height, depth;
GLuint bindings;
GLuint ptWidth, ptHeight, ptDepth, ptLayers;
enum pipe_format fmt;
DBG("%s\n", __FUNCTION__);
assert(!stObj->pt);
if (!guess_base_level_size(stObj->base.Target,
stImage->base.Width2,
stImage->base.Height2,
stImage->base.Depth2,
stImage->base.Level,
&width, &height, &depth)) {
/* we can't determine the image size at level=0 */
stObj->width0 = stObj->height0 = stObj->depth0 = 0;
/* this is not an out of memory error */
return GL_TRUE;
}
/* At this point, (width x height x depth) is the expected size of
* the level=0 mipmap image.
*/
/* Guess a reasonable value for lastLevel. With OpenGL we have no
* idea how many mipmap levels will be in a texture until we start
* to render with it. Make an educated guess here but be prepared
* to re-allocating a texture buffer with space for more (or fewer)
* mipmap levels later.
*/
if ((stObj->base.Sampler.MinFilter == GL_NEAREST ||
stObj->base.Sampler.MinFilter == GL_LINEAR ||
(stObj->base.BaseLevel == 0 &&
stObj->base.MaxLevel == 0) ||
stImage->base._BaseFormat == GL_DEPTH_COMPONENT ||
stImage->base._BaseFormat == GL_DEPTH_STENCIL_EXT) &&
!stObj->base.GenerateMipmap &&
stImage->base.Level == 0) {
/* only alloc space for a single mipmap level */
lastLevel = 0;
}
else {
/* alloc space for a full mipmap */
lastLevel = _mesa_get_tex_max_num_levels(stObj->base.Target,
width, height, depth) - 1;
}
/* Save the level=0 dimensions */
stObj->width0 = width;
stObj->height0 = height;
stObj->depth0 = depth;
fmt = st_mesa_format_to_pipe_format(stImage->base.TexFormat);
bindings = default_bindings(st, fmt);
st_gl_texture_dims_to_pipe_dims(stObj->base.Target,
width, height, depth,
&ptWidth, &ptHeight, &ptDepth, &ptLayers);
stObj->pt = st_texture_create(st,
gl_target_to_pipe(stObj->base.Target),
fmt,
lastLevel,
ptWidth,
ptHeight,
ptDepth,
ptLayers,
bindings);
stObj->lastLevel = lastLevel;
DBG("%s returning %d\n", __FUNCTION__, (stObj->pt != NULL));
return stObj->pt != NULL;
}
/**
* 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;
GLboolean legalFormat;
/* check internal format - note that only sized formats are allowed */
switch (internalformat) {
case GL_ALPHA:
case GL_LUMINANCE:
case GL_LUMINANCE_ALPHA:
case GL_INTENSITY:
case GL_RED:
case GL_RG:
case GL_RGB:
case GL_RGBA:
case GL_BGRA:
case GL_DEPTH_COMPONENT:
case GL_DEPTH_STENCIL:
case GL_COMPRESSED_ALPHA:
case GL_COMPRESSED_LUMINANCE_ALPHA:
case GL_COMPRESSED_LUMINANCE:
case GL_COMPRESSED_INTENSITY:
case GL_COMPRESSED_RGB:
case GL_COMPRESSED_RGBA:
case GL_COMPRESSED_SRGB:
case GL_COMPRESSED_SRGB_ALPHA:
case GL_COMPRESSED_SLUMINANCE:
case GL_COMPRESSED_SLUMINANCE_ALPHA:
case GL_RED_INTEGER:
case GL_GREEN_INTEGER:
case GL_BLUE_INTEGER:
case GL_ALPHA_INTEGER:
case GL_RGB_INTEGER:
case GL_RGBA_INTEGER:
case GL_BGR_INTEGER:
case GL_BGRA_INTEGER:
case GL_LUMINANCE_INTEGER_EXT:
case GL_LUMINANCE_ALPHA_INTEGER_EXT:
/* these unsized formats are illegal */
legalFormat = GL_FALSE;
break;
default:
legalFormat = _mesa_base_tex_format(ctx, internalformat) > 0;
}
if (!legalFormat) {
_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;
}
/* 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 (!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 (texObj->Immutable) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glTexStorage%uD(immutable)",
dims);
return GL_TRUE;
}
return GL_FALSE;
}
/**
* 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;
}
/* Work back from the specified level of the image to the baselevel and create a
* miptree of that size.
*/
struct intel_mipmap_tree *
intel_miptree_create_for_teximage(struct brw_context *brw,
struct intel_texture_object *intelObj,
struct intel_texture_image *intelImage,
uint32_t layout_flags)
{
GLuint lastLevel;
int width, height, depth;
intel_get_image_dims(&intelImage->base.Base, &width, &height, &depth);
DBG("%s\n", __func__);
/* Figure out image dimensions at start level. */
switch(intelObj->base.Target) {
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
case GL_TEXTURE_RECTANGLE:
case GL_TEXTURE_EXTERNAL_OES:
assert(intelImage->base.Base.Level == 0);
break;
case GL_TEXTURE_3D:
depth <<= intelImage->base.Base.Level;
/* Fall through */
case GL_TEXTURE_2D:
case GL_TEXTURE_2D_ARRAY:
case GL_TEXTURE_CUBE_MAP:
case GL_TEXTURE_CUBE_MAP_ARRAY:
height <<= intelImage->base.Base.Level;
/* Fall through */
case GL_TEXTURE_1D:
case GL_TEXTURE_1D_ARRAY:
width <<= intelImage->base.Base.Level;
break;
default:
unreachable("Unexpected target");
}
/* Guess a reasonable value for lastLevel. This is probably going
* to be wrong fairly often and might mean that we have to look at
* resizable buffers, or require that buffers implement lazy
* pagetable arrangements.
*/
if ((intelObj->base.Sampler.MinFilter == GL_NEAREST ||
intelObj->base.Sampler.MinFilter == GL_LINEAR) &&
intelImage->base.Base.Level == 0 &&
!intelObj->base.GenerateMipmap) {
lastLevel = 0;
} else {
lastLevel = _mesa_get_tex_max_num_levels(intelObj->base.Target,
width, height, depth) - 1;
}
return intel_miptree_create(brw,
intelObj->base.Target,
intelImage->base.Base.TexFormat,
0,
lastLevel,
width,
height,
depth,
intelImage->base.Base.NumSamples,
layout_flags | MIPTREE_LAYOUT_TILING_ANY);
}
