#include <string.h>
#include <assert.h>
-#include "main/mtypes.h" /* for gl_texture_index, C++'s enum rules are broken */
#ifdef __cplusplus
extern "C" {
GLSL_TYPE_UINT = 0,
GLSL_TYPE_INT,
GLSL_TYPE_FLOAT,
+ GLSL_TYPE_DOUBLE,
GLSL_TYPE_BOOL,
GLSL_TYPE_SAMPLER,
GLSL_TYPE_IMAGE,
GLSL_TYPE_INTERFACE,
GLSL_TYPE_ARRAY,
GLSL_TYPE_VOID,
+ GLSL_TYPE_SUBROUTINE,
GLSL_TYPE_ERROR
};
enum glsl_interface_packing {
GLSL_INTERFACE_PACKING_STD140,
GLSL_INTERFACE_PACKING_SHARED,
- GLSL_INTERFACE_PACKING_PACKED
+ GLSL_INTERFACE_PACKING_PACKED,
+ GLSL_INTERFACE_PACKING_STD430
+};
+
+enum glsl_matrix_layout {
+ /**
+ * The layout of the matrix is inherited from the object containing the
+ * matrix (the top level structure or the uniform block).
+ */
+ GLSL_MATRIX_LAYOUT_INHERITED,
+
+ /**
+ * Explicit column-major layout
+ *
+ * If a uniform block doesn't have an explicit layout set, it will default
+ * to this layout.
+ */
+ GLSL_MATRIX_LAYOUT_COLUMN_MAJOR,
+
+ /**
+ * Row-major layout
+ */
+ GLSL_MATRIX_LAYOUT_ROW_MAJOR
};
#ifdef __cplusplus
#include "GL/gl.h"
#include "util/ralloc.h"
+#include "main/mtypes.h" /* for gl_texture_index, C++'s enum rules are broken */
struct glsl_type {
GLenum gl_type;
* easier to just ralloc_free 'mem_ctx' (or any of its ancestors). */
static void* operator new(size_t size)
{
- if (glsl_type::mem_ctx == NULL) {
- glsl_type::mem_ctx = ralloc_context(NULL);
- assert(glsl_type::mem_ctx != NULL);
- }
+ mtx_lock(&glsl_type::mutex);
+
+ /* mem_ctx should have been created by the static members */
+ assert(glsl_type::mem_ctx != NULL);
void *type;
type = ralloc_size(glsl_type::mem_ctx, size);
assert(type != NULL);
+ mtx_unlock(&glsl_type::mutex);
+
return type;
}
* ralloc_free in that case. */
static void operator delete(void *type)
{
+ mtx_lock(&glsl_type::mutex);
ralloc_free(type);
+ mtx_unlock(&glsl_type::mutex);
}
/**
* these will be 0.
*/
/*@{*/
- unsigned vector_elements:3; /**< 1, 2, 3, or 4 vector elements. */
- unsigned matrix_columns:3; /**< 1, 2, 3, or 4 matrix columns. */
+ uint8_t vector_elements; /**< 1, 2, 3, or 4 vector elements. */
+ uint8_t matrix_columns; /**< 1, 2, 3, or 4 matrix columns. */
/*@}*/
- /**
- * Name of the data type
- *
- * Will never be \c NULL.
- */
- const char *name;
-
/**
* For \c GLSL_TYPE_ARRAY, this is the length of the array. For
* \c GLSL_TYPE_STRUCT or \c GLSL_TYPE_INTERFACE, it is the number of
*/
unsigned length;
+ /**
+ * Name of the data type
+ *
+ * Will never be \c NULL.
+ */
+ const char *name;
+
/**
* Subtype of composite data types.
*/
* @{
*/
static const glsl_type *vec(unsigned components);
+ static const glsl_type *dvec(unsigned components);
static const glsl_type *ivec(unsigned components);
static const glsl_type *uvec(unsigned components);
static const glsl_type *bvec(unsigned components);
*/
const glsl_type *get_scalar_type() const;
- /**
- * Query the type of elements in an array
- *
- * \return
- * Pointer to the type of elements in the array for array types, or \c NULL
- * for non-array types.
- */
- const glsl_type *element_type() const
- {
- return is_array() ? fields.array : NULL;
- }
-
/**
* Get the instance of a built-in scalar, vector, or matrix type
*/
static const glsl_type *get_instance(unsigned base_type, unsigned rows,
unsigned columns);
+ /**
+ * Get the instance of a sampler type
+ */
+ static const glsl_type *get_sampler_instance(enum glsl_sampler_dim dim,
+ bool shadow,
+ bool array,
+ glsl_base_type type);
+
+
/**
* Get the instance of an array type
*/
enum glsl_interface_packing packing,
const char *block_name);
+ /**
+ * Get the instance of an subroutine type
+ */
+ static const glsl_type *get_subroutine_instance(const char *subroutine_name);
+
+ /**
+ * Get the type resulting from a multiplication of \p type_a * \p type_b
+ */
+ static const glsl_type *get_mul_type(const glsl_type *type_a,
+ const glsl_type *type_b);
+
/**
* Query the total number of scalars that make up a scalar, vector or matrix
*/
*/
unsigned component_slots() const;
+ /**
+ * Calculate offset between the base location of the struct in
+ * uniform storage and a struct member.
+ * For the initial call, length is the index of the member to find the
+ * offset for.
+ */
+ unsigned record_location_offset(unsigned length) const;
+
/**
* Calculate the number of unique values from glGetUniformLocation for the
* elements of the type.
+ *
+ * This is used to allocate slots in the UniformRemapTable, the amount of
+ * locations may not match with actual used storage space by the driver.
*/
unsigned uniform_locations() const;
*/
unsigned std140_size(bool row_major) const;
+ /**
+ * Alignment in bytes of the start of this type in a std430 shader
+ * storage block.
+ */
+ unsigned std430_base_alignment(bool row_major) const;
+
+ /**
+ * Calculate array stride in bytes of this type in a std430 shader storage
+ * block.
+ */
+ unsigned std430_array_stride(bool row_major) const;
+
+ /**
+ * Size in bytes of this type in a std430 shader storage block.
+ *
+ * Note that this is not GL_BUFFER_SIZE
+ */
+ unsigned std430_size(bool row_major) const;
+
/**
* \brief Can this type be implicitly converted to another?
*
bool is_matrix() const
{
/* GLSL only has float matrices. */
- return (matrix_columns > 1) && (base_type == GLSL_TYPE_FLOAT);
+ return (matrix_columns > 1) && (base_type == GLSL_TYPE_FLOAT || base_type == GLSL_TYPE_DOUBLE);
}
/**
*/
bool is_numeric() const
{
- return (base_type >= GLSL_TYPE_UINT) && (base_type <= GLSL_TYPE_FLOAT);
+ return (base_type >= GLSL_TYPE_UINT) && (base_type <= GLSL_TYPE_DOUBLE);
}
/**
*/
bool contains_integer() const;
+ /**
+ * Query whether or not type is a double type, or for struct and array
+ * types, contains a double type.
+ */
+ bool contains_double() const;
+
/**
* Query whether or not a type is a float type
*/
return base_type == GLSL_TYPE_FLOAT;
}
+ /**
+ * Query whether or not a type is a double type
+ */
+ bool is_double() const
+ {
+ return base_type == GLSL_TYPE_DOUBLE;
+ }
+
/**
* Query whether or not a type is a non-array boolean type
*/
return base_type == GLSL_TYPE_ERROR;
}
+ /**
+ * Query if a type is unnamed/anonymous (named by the parser)
+ */
+
+ bool is_subroutine() const
+ {
+ return base_type == GLSL_TYPE_SUBROUTINE;
+ }
+ bool contains_subroutine() const;
+
+ bool is_anonymous() const
+ {
+ return !strncmp(name, "#anon", 5);
+ }
+
+ /**
+ * Get the type stripped of any arrays
+ *
+ * \return
+ * Pointer to the type of elements of the first non-array type for array
+ * types, or pointer to itself for non-array types.
+ */
+ const glsl_type *without_array() const
+ {
+ const glsl_type *t = this;
+
+ while (t->is_array())
+ t = t->fields.array;
+
+ return t;
+ }
+
+ /**
+ * Return the total number of elements in an array including the elements
+ * in arrays of arrays.
+ */
+ unsigned arrays_of_arrays_size() const
+ {
+ if (!is_array())
+ return 0;
+
+ unsigned size = length;
+ const glsl_type *base_type = fields.array;
+
+ while (base_type->is_array()) {
+ size = size * base_type->length;
+ base_type = base_type->fields.array;
+ }
+ return size;
+ }
+
/**
* Return the amount of atomic counter storage required for a type.
*/
if (base_type == GLSL_TYPE_ATOMIC_UINT)
return ATOMIC_COUNTER_SIZE;
else if (is_array())
- return length * element_type()->atomic_size();
+ return length * fields.array->atomic_size();
else
return 0;
}
const glsl_type *field_type(const char *name) const;
/**
- * Get the location of a filed within a record type
+ * Get the location of a field within a record type
*/
int field_index(const char *name) const;
bool record_compare(const glsl_type *b) const;
private:
+
+ static mtx_t mutex;
+
/**
* ralloc context for all glsl_type allocations
*
/** Constructor for array types */
glsl_type(const glsl_type *array, unsigned length);
+ /** Constructor for subroutine types */
+ glsl_type(const char *name);
+
/** Hash table containing the known array types. */
static struct hash_table *array_types;
/** Hash table containing the known interface types. */
static struct hash_table *interface_types;
- static int record_key_compare(const void *a, const void *b);
+ /** Hash table containing the known subroutine types. */
+ static struct hash_table *subroutine_types;
+
+ static bool record_key_compare(const void *a, const void *b);
static unsigned record_key_hash(const void *key);
/**
struct glsl_struct_field {
const struct glsl_type *type;
const char *name;
- bool row_major;
/**
* For interface blocks, gl_varying_slot corresponding to the input/output
*/
unsigned sample:1;
+ /**
+ * Layout of the matrix. Uses glsl_matrix_layout values.
+ */
+ unsigned matrix_layout:2;
+
+ /**
+ * For interface blocks, 1 if this variable is a per-patch input or output
+ * (as in ir_variable::patch). 0 otherwise.
+ */
+ unsigned patch:1;
+
/**
* For interface blocks, it has a value if this variable uses multiple vertex
* streams (as in ir_variable::stream). -1 otherwise.
*/
int stream;
+
+
+ /**
+ * Image qualifiers, applicable to buffer variables defined in shader
+ * storage buffer objects (SSBOs)
+ */
+ unsigned image_read_only:1;
+ unsigned image_write_only:1;
+ unsigned image_coherent:1;
+ unsigned image_volatile:1;
+ unsigned image_restrict:1;
+
+ glsl_struct_field(const struct glsl_type *_type, const char *_name)
+ : type(_type), name(_name), location(-1), interpolation(0), centroid(0),
+ sample(0), matrix_layout(GLSL_MATRIX_LAYOUT_INHERITED), patch(0),
+ stream(-1)
+ {
+ /* empty */
+ }
+
+ glsl_struct_field()
+ {
+ /* empty */
+ }
};
static inline unsigned int