}
glsl_type::glsl_type(GLenum gl_type,
- glsl_base_type base_type, unsigned vector_elements,
- unsigned matrix_columns, const char *name) :
+ glsl_base_type base_type, unsigned vector_elements,
+ unsigned matrix_columns, const char *name) :
gl_type(gl_type),
base_type(base_type),
sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
}
glsl_type::glsl_type(GLenum gl_type, glsl_base_type base_type,
- enum glsl_sampler_dim dim, bool shadow, bool array,
- unsigned type, const char *name) :
+ enum glsl_sampler_dim dim, bool shadow, bool array,
+ unsigned type, const char *name) :
gl_type(gl_type),
base_type(base_type),
sampler_dimensionality(dim), sampler_shadow(shadow),
}
glsl_type::glsl_type(const glsl_struct_field *fields, unsigned num_fields,
- const char *name) :
+ const char *name) :
gl_type(0),
base_type(GLSL_TYPE_STRUCT),
sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
assert(name != NULL);
this->name = ralloc_strdup(this->mem_ctx, name);
this->fields.structure = ralloc_array(this->mem_ctx,
- glsl_struct_field, length);
+ glsl_struct_field, length);
for (i = 0; i < length; i++) {
this->fields.structure[i].type = fields[i].type;
this->fields.structure[i].name = ralloc_strdup(this->fields.structure,
- fields[i].name);
+ fields[i].name);
this->fields.structure[i].location = fields[i].location;
this->fields.structure[i].interpolation = fields[i].interpolation;
this->fields.structure[i].centroid = fields[i].centroid;
this->fields.structure[i].sample = fields[i].sample;
this->fields.structure[i].matrix_layout = fields[i].matrix_layout;
this->fields.structure[i].patch = fields[i].patch;
+ this->fields.structure[i].image_read_only = fields[i].image_read_only;
+ this->fields.structure[i].image_write_only = fields[i].image_write_only;
+ this->fields.structure[i].image_coherent = fields[i].image_coherent;
+ this->fields.structure[i].image_volatile = fields[i].image_volatile;
+ this->fields.structure[i].image_restrict = fields[i].image_restrict;
}
mtx_unlock(&glsl_type::mutex);
}
glsl_type::glsl_type(const glsl_struct_field *fields, unsigned num_fields,
- enum glsl_interface_packing packing, const char *name) :
+ enum glsl_interface_packing packing, const char *name) :
gl_type(0),
base_type(GLSL_TYPE_INTERFACE),
sampler_dimensionality(0), sampler_shadow(0), sampler_array(0),
assert(name != NULL);
this->name = ralloc_strdup(this->mem_ctx, name);
this->fields.structure = ralloc_array(this->mem_ctx,
- glsl_struct_field, length);
+ glsl_struct_field, length);
for (i = 0; i < length; i++) {
this->fields.structure[i].type = fields[i].type;
this->fields.structure[i].name = ralloc_strdup(this->fields.structure,
- fields[i].name);
+ fields[i].name);
this->fields.structure[i].location = fields[i].location;
this->fields.structure[i].interpolation = fields[i].interpolation;
this->fields.structure[i].centroid = fields[i].centroid;
return this->fields.array->contains_sampler();
} else if (this->is_record()) {
for (unsigned int i = 0; i < this->length; i++) {
- if (this->fields.structure[i].type->contains_sampler())
- return true;
+ if (this->fields.structure[i].type->contains_sampler())
+ return true;
}
return false;
} else {
return this->fields.array->contains_integer();
} else if (this->is_record()) {
for (unsigned int i = 0; i < this->length; i++) {
- if (this->fields.structure[i].type->contains_integer())
- return true;
+ if (this->fields.structure[i].type->contains_integer())
+ return true;
}
return false;
} else {
return this->fields.array->contains_double();
} else if (this->is_record()) {
for (unsigned int i = 0; i < this->length; i++) {
- if (this->fields.structure[i].type->contains_double())
- return true;
+ if (this->fields.structure[i].type->contains_double())
+ return true;
}
return false;
} else {
return this->fields.array->contains_subroutine();
} else if (this->is_record()) {
for (unsigned int i = 0; i < this->length; i++) {
- if (this->fields.structure[i].type->contains_subroutine())
- return true;
+ if (this->fields.structure[i].type->contains_subroutine())
+ return true;
}
return false;
} else {
return this->fields.array->contains_image();
} else if (this->is_record()) {
for (unsigned int i = 0; i < this->length; i++) {
- if (this->fields.structure[i].type->contains_image())
- return true;
+ if (this->fields.structure[i].type->contains_image())
+ return true;
}
return false;
} else {
if (columns == 1) {
switch (base_type) {
case GLSL_TYPE_UINT:
- return uvec(rows);
+ return uvec(rows);
case GLSL_TYPE_INT:
- return ivec(rows);
+ return ivec(rows);
case GLSL_TYPE_FLOAT:
- return vec(rows);
+ return vec(rows);
case GLSL_TYPE_DOUBLE:
- return dvec(rows);
+ return dvec(rows);
case GLSL_TYPE_BOOL:
- return bvec(rows);
+ return bvec(rows);
default:
- return error_type;
+ return error_type;
}
} else {
if ((base_type != GLSL_TYPE_FLOAT && base_type != GLSL_TYPE_DOUBLE) || (rows == 1))
- return error_type;
+ return error_type;
/* GLSL matrix types are named mat{COLUMNS}x{ROWS}. Only the following
* combinations are valid:
for (unsigned i = 0; i < this->length; i++) {
if (this->fields.structure[i].type != b->fields.structure[i].type)
- return false;
+ return false;
if (strcmp(this->fields.structure[i].name,
- b->fields.structure[i].name) != 0)
- return false;
+ b->fields.structure[i].name) != 0)
+ return false;
if (this->fields.structure[i].matrix_layout
!= b->fields.structure[i].matrix_layout)
return false;
if (this->fields.structure[i].patch
!= b->fields.structure[i].patch)
return false;
+ if (this->fields.structure[i].image_read_only
+ != b->fields.structure[i].image_read_only)
+ return false;
+ if (this->fields.structure[i].image_write_only
+ != b->fields.structure[i].image_write_only)
+ return false;
+ if (this->fields.structure[i].image_coherent
+ != b->fields.structure[i].image_coherent)
+ return false;
+ if (this->fields.structure[i].image_volatile
+ != b->fields.structure[i].image_volatile)
+ return false;
+ if (this->fields.structure[i].image_restrict
+ != b->fields.structure[i].image_restrict)
+ return false;
}
return true;
const glsl_type *
glsl_type::get_record_instance(const glsl_struct_field *fields,
- unsigned num_fields,
- const char *name)
+ unsigned num_fields,
+ const char *name)
{
const glsl_type key(fields, num_fields, name);
const glsl_type *
glsl_type::get_interface_instance(const glsl_struct_field *fields,
- unsigned num_fields,
- enum glsl_interface_packing packing,
- const char *block_name)
+ unsigned num_fields,
+ enum glsl_interface_packing packing,
+ const char *block_name)
{
const glsl_type key(fields, num_fields, packing, block_name);
for (unsigned i = 0; i < this->length; i++) {
if (strcmp(name, this->fields.structure[i].name) == 0)
- return this->fields.structure[i].type;
+ return this->fields.structure[i].type;
}
return error_type;
for (unsigned i = 0; i < this->length; i++) {
if (strcmp(name, this->fields.structure[i].name) == 0)
- return i;
+ return i;
}
return -1;
unsigned size = 0;
for (unsigned i = 0; i < this->length; i++)
- size += this->fields.structure[i].type->component_slots();
+ size += this->fields.structure[i].type->component_slots();
return size;
}
return 0;
}
+unsigned
+glsl_type::record_location_offset(unsigned length) const
+{
+ unsigned offset = 0;
+ const glsl_type *t = this->without_array();
+ if (t->is_record()) {
+ assert(length <= t->length);
+
+ for (unsigned i = 0; i < length; i++) {
+ const glsl_type *st = t->fields.structure[i].type;
+ const glsl_type *wa = st->without_array();
+ if (wa->is_record()) {
+ unsigned r_offset = wa->record_location_offset(wa->length);
+ offset += st->is_array() ? st->length * r_offset : r_offset;
+ } else {
+ /* We dont worry about arrays here because unless the array
+ * contains a structure or another array it only takes up a single
+ * uniform slot.
+ */
+ offset += 1;
+ }
+ }
+ }
+ return offset;
+}
+
unsigned
glsl_type::uniform_locations() const
{
if (this->is_scalar() || this->is_vector()) {
switch (this->vector_elements) {
case 1:
- return N;
+ return N;
case 2:
- return 2 * N;
+ return 2 * N;
case 3:
case 4:
- return 4 * N;
+ return 4 * N;
}
}
*/
if (this->is_array()) {
if (this->fields.array->is_scalar() ||
- this->fields.array->is_vector() ||
- this->fields.array->is_matrix()) {
- return MAX2(this->fields.array->std140_base_alignment(row_major), 16);
+ this->fields.array->is_vector() ||
+ this->fields.array->is_matrix()) {
+ return MAX2(this->fields.array->std140_base_alignment(row_major), 16);
} else {
- assert(this->fields.array->is_record() ||
+ assert(this->fields.array->is_record() ||
this->fields.array->is_array());
- return this->fields.array->std140_base_alignment(row_major);
+ return this->fields.array->std140_base_alignment(row_major);
}
}
int r = this->vector_elements;
if (row_major) {
- vec_type = get_instance(base_type, c, 1);
- array_type = glsl_type::get_array_instance(vec_type, r);
+ vec_type = get_instance(base_type, c, 1);
+ array_type = glsl_type::get_array_instance(vec_type, r);
} else {
- vec_type = get_instance(base_type, r, 1);
- array_type = glsl_type::get_array_instance(vec_type, c);
+ vec_type = get_instance(base_type, r, 1);
+ array_type = glsl_type::get_array_instance(vec_type, c);
}
return array_type->std140_base_alignment(false);
field_row_major = false;
}
- const struct glsl_type *field_type = this->fields.structure[i].type;
- base_alignment = MAX2(base_alignment,
- field_type->std140_base_alignment(field_row_major));
+ const struct glsl_type *field_type = this->fields.structure[i].type;
+ base_alignment = MAX2(base_alignment,
+ field_type->std140_base_alignment(field_row_major));
}
return base_alignment;
}
unsigned int array_len;
if (this->is_array()) {
- element_type = this->fields.array;
- array_len = this->length;
+ element_type = this->fields.array;
+ array_len = this->length;
} else {
- element_type = this;
- array_len = 1;
+ element_type = this;
+ array_len = 1;
}
if (row_major) {
vec_type = get_instance(element_type->base_type,
element_type->matrix_columns, 1);
- array_len *= element_type->vector_elements;
+ array_len *= element_type->vector_elements;
} else {
- vec_type = get_instance(element_type->base_type,
- element_type->vector_elements, 1);
- array_len *= element_type->matrix_columns;
+ vec_type = get_instance(element_type->base_type,
+ element_type->vector_elements, 1);
+ array_len *= element_type->matrix_columns;
}
const glsl_type *array_type = glsl_type::get_array_instance(vec_type,
- array_len);
+ array_len);
return array_type->std140_size(false);
}
*/
if (this->is_array()) {
if (this->fields.array->is_record()) {
- return this->length * this->fields.array->std140_size(row_major);
+ return this->length * this->fields.array->std140_size(row_major);
} else {
- unsigned element_base_align =
- this->fields.array->std140_base_alignment(row_major);
- return this->length * MAX2(element_base_align, 16);
+ unsigned element_base_align =
+ this->fields.array->std140_base_alignment(row_major);
+ return this->length * MAX2(element_base_align, 16);
}
}
* rounded up to the next multiple of the base alignment of the
* structure.
*/
- if (this->is_record()) {
+ if (this->is_record() || this->is_interface()) {
unsigned size = 0;
unsigned max_align = 0;
field_row_major = false;
}
- const struct glsl_type *field_type = this->fields.structure[i].type;
- unsigned align = field_type->std140_base_alignment(field_row_major);
- size = glsl_align(size, align);
- size += field_type->std140_size(field_row_major);
+ const struct glsl_type *field_type = this->fields.structure[i].type;
+ unsigned align = field_type->std140_base_alignment(field_row_major);
+
+ /* Ignore unsized arrays when calculating size */
+ if (field_type->is_unsized_array())
+ continue;
+
+ size = glsl_align(size, align);
+ size += field_type->std140_size(field_row_major);
max_align = MAX2(align, max_align);
return -1;
}
+unsigned
+glsl_type::std430_base_alignment(bool row_major) const
+{
+
+ unsigned N = is_double() ? 8 : 4;
+
+ /* (1) If the member is a scalar consuming <N> basic machine units, the
+ * base alignment is <N>.
+ *
+ * (2) If the member is a two- or four-component vector with components
+ * consuming <N> basic machine units, the base alignment is 2<N> or
+ * 4<N>, respectively.
+ *
+ * (3) If the member is a three-component vector with components consuming
+ * <N> basic machine units, the base alignment is 4<N>.
+ */
+ if (this->is_scalar() || this->is_vector()) {
+ switch (this->vector_elements) {
+ case 1:
+ return N;
+ case 2:
+ return 2 * N;
+ case 3:
+ case 4:
+ return 4 * N;
+ }
+ }
+
+ /* OpenGL 4.30 spec, section 7.6.2.2 "Standard Uniform Block Layout":
+ *
+ * "When using the std430 storage layout, shader storage blocks will be
+ * laid out in buffer storage identically to uniform and shader storage
+ * blocks using the std140 layout, except that the base alignment and
+ * stride of arrays of scalars and vectors in rule 4 and of structures
+ * in rule 9 are not rounded up a multiple of the base alignment of a vec4.
+ */
+
+ /* (1) If the member is a scalar consuming <N> basic machine units, the
+ * base alignment is <N>.
+ *
+ * (2) If the member is a two- or four-component vector with components
+ * consuming <N> basic machine units, the base alignment is 2<N> or
+ * 4<N>, respectively.
+ *
+ * (3) If the member is a three-component vector with components consuming
+ * <N> basic machine units, the base alignment is 4<N>.
+ */
+ if (this->is_array())
+ return this->fields.array->std430_base_alignment(row_major);
+
+ /* (5) If the member is a column-major matrix with <C> columns and
+ * <R> rows, the matrix is stored identically to an array of
+ * <C> column vectors with <R> components each, according to
+ * rule (4).
+ *
+ * (7) If the member is a row-major matrix with <C> columns and <R>
+ * rows, the matrix is stored identically to an array of <R>
+ * row vectors with <C> components each, according to rule (4).
+ */
+ if (this->is_matrix()) {
+ const struct glsl_type *vec_type, *array_type;
+ int c = this->matrix_columns;
+ int r = this->vector_elements;
+
+ if (row_major) {
+ vec_type = get_instance(base_type, c, 1);
+ array_type = glsl_type::get_array_instance(vec_type, r);
+ } else {
+ vec_type = get_instance(base_type, r, 1);
+ array_type = glsl_type::get_array_instance(vec_type, c);
+ }
+
+ return array_type->std430_base_alignment(false);
+ }
+
+ /* (9) If the member is a structure, the base alignment of the
+ * structure is <N>, where <N> is the largest base alignment
+ * value of any of its members, and rounded up to the base
+ * alignment of a vec4. The individual members of this
+ * sub-structure are then assigned offsets by applying this set
+ * of rules recursively, where the base offset of the first
+ * member of the sub-structure is equal to the aligned offset
+ * of the structure. The structure may have padding at the end;
+ * the base offset of the member following the sub-structure is
+ * rounded up to the next multiple of the base alignment of the
+ * structure.
+ */
+ if (this->is_record()) {
+ unsigned base_alignment = 0;
+ for (unsigned i = 0; i < this->length; i++) {
+ bool field_row_major = row_major;
+ const enum glsl_matrix_layout matrix_layout =
+ glsl_matrix_layout(this->fields.structure[i].matrix_layout);
+ if (matrix_layout == GLSL_MATRIX_LAYOUT_ROW_MAJOR) {
+ field_row_major = true;
+ } else if (matrix_layout == GLSL_MATRIX_LAYOUT_COLUMN_MAJOR) {
+ field_row_major = false;
+ }
+
+ const struct glsl_type *field_type = this->fields.structure[i].type;
+ base_alignment = MAX2(base_alignment,
+ field_type->std430_base_alignment(field_row_major));
+ }
+ return base_alignment;
+ }
+ assert(!"not reached");
+ return -1;
+}
+
+unsigned
+glsl_type::std430_array_stride(bool row_major) const
+{
+ unsigned N = is_double() ? 8 : 4;
+
+ /* Notice that the array stride of a vec3 is not 3 * N but 4 * N.
+ * See OpenGL 4.30 spec, section 7.6.2.2 "Standard Uniform Block Layout"
+ *
+ * (3) If the member is a three-component vector with components consuming
+ * <N> basic machine units, the base alignment is 4<N>.
+ */
+ if (this->is_vector() && this->vector_elements == 3)
+ return 4 * N;
+
+ /* By default use std430_size(row_major) */
+ return this->std430_size(row_major);
+}
+
+unsigned
+glsl_type::std430_size(bool row_major) const
+{
+ unsigned N = is_double() ? 8 : 4;
+
+ /* OpenGL 4.30 spec, section 7.6.2.2 "Standard Uniform Block Layout":
+ *
+ * "When using the std430 storage layout, shader storage blocks will be
+ * laid out in buffer storage identically to uniform and shader storage
+ * blocks using the std140 layout, except that the base alignment and
+ * stride of arrays of scalars and vectors in rule 4 and of structures
+ * in rule 9 are not rounded up a multiple of the base alignment of a vec4.
+ */
+ if (this->is_scalar() || this->is_vector())
+ return this->vector_elements * N;
+
+ if (this->without_array()->is_matrix()) {
+ const struct glsl_type *element_type;
+ const struct glsl_type *vec_type;
+ unsigned int array_len;
+
+ if (this->is_array()) {
+ element_type = this->fields.array;
+ array_len = this->length;
+ } else {
+ element_type = this;
+ array_len = 1;
+ }
+
+ if (row_major) {
+ vec_type = get_instance(element_type->base_type,
+ element_type->matrix_columns, 1);
+
+ array_len *= element_type->vector_elements;
+ } else {
+ vec_type = get_instance(element_type->base_type,
+ element_type->vector_elements, 1);
+ array_len *= element_type->matrix_columns;
+ }
+ const glsl_type *array_type = glsl_type::get_array_instance(vec_type,
+ array_len);
+
+ return array_type->std430_size(false);
+ }
+
+ if (this->is_array()) {
+ if (this->fields.array->is_record())
+ return this->length * this->fields.array->std430_size(row_major);
+ else
+ return this->length * this->fields.array->std430_base_alignment(row_major);
+ }
+
+ if (this->is_record() || this->is_interface()) {
+ unsigned size = 0;
+ unsigned max_align = 0;
+
+ for (unsigned i = 0; i < this->length; i++) {
+ bool field_row_major = row_major;
+ const enum glsl_matrix_layout matrix_layout =
+ glsl_matrix_layout(this->fields.structure[i].matrix_layout);
+ if (matrix_layout == GLSL_MATRIX_LAYOUT_ROW_MAJOR) {
+ field_row_major = true;
+ } else if (matrix_layout == GLSL_MATRIX_LAYOUT_COLUMN_MAJOR) {
+ field_row_major = false;
+ }
+
+ const struct glsl_type *field_type = this->fields.structure[i].type;
+ unsigned align = field_type->std430_base_alignment(field_row_major);
+ size = glsl_align(size, align);
+ size += field_type->std430_size(field_row_major);
+
+ max_align = MAX2(align, max_align);
+ }
+ size = glsl_align(size, max_align);
+ return size;
+ }
+
+ assert(!"not reached");
+ return -1;
+}
unsigned
glsl_type::count_attribute_slots() const
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