GLSL_TYPE_FLOAT,
GLSL_TYPE_BOOL,
GLSL_TYPE_SAMPLER,
+ GLSL_TYPE_IMAGE,
+ GLSL_TYPE_ATOMIC_UINT,
GLSL_TYPE_STRUCT,
GLSL_TYPE_INTERFACE,
GLSL_TYPE_ARRAY,
GLSL_INTERFACE_PACKING_PACKED
};
+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 "ralloc.h"
+#include "util/ralloc.h"
struct glsl_type {
GLenum gl_type;
unsigned sampler_dimensionality:3; /**< \see glsl_sampler_dim */
unsigned sampler_shadow:1;
unsigned sampler_array:1;
- unsigned sampler_type:2; /**< Type of data returned using this sampler.
- * only \c GLSL_TYPE_FLOAT, \c GLSL_TYPE_INT,
+ unsigned sampler_type:2; /**< Type of data returned using this
+ * sampler or image. Only \c
+ * GLSL_TYPE_FLOAT, \c GLSL_TYPE_INT,
* and \c GLSL_TYPE_UINT are valid.
*/
unsigned interface_packing:2;
* 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.
*/
*/
/*@{*/
#undef DECL_TYPE
-#define DECL_TYPE(NAME, REST...) \
+#define DECL_TYPE(NAME, ...) \
static const glsl_type *const NAME##_type;
#undef STRUCT_TYPE
#define STRUCT_TYPE(NAME) \
* Convenience accessors for vector types (shorter than get_instance()).
* @{
*/
- static const glsl_type *const vec(unsigned components);
- static const glsl_type *const ivec(unsigned components);
- static const glsl_type *const uvec(unsigned components);
- static const glsl_type *const bvec(unsigned components);
+ static const glsl_type *vec(unsigned components);
+ static const glsl_type *ivec(unsigned components);
+ static const glsl_type *uvec(unsigned components);
+ static const glsl_type *bvec(unsigned components);
/**@}*/
/**
- * For numeric and boolean derrived types returns the basic scalar type
+ * For numeric and boolean derived types returns the basic scalar type
*
* If the type is a numeric or boolean scalar, vector, or matrix type,
* this function gets the scalar type of the individual components. For
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
*/
static const glsl_type *get_interface_instance(const glsl_struct_field *fields,
unsigned num_fields,
enum glsl_interface_packing packing,
- const char *name);
+ const char *block_name);
/**
* Query the total number of scalars that make up a scalar, vector or matrix
*/
unsigned component_slots() 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;
+
+ /**
+ * Calculate the number of attribute slots required to hold this type
+ *
+ * This implements the language rules of GLSL 1.50 for counting the number
+ * of slots used by a vertex attribute. It also determines the number of
+ * varying slots the type will use up in the absence of varying packing
+ * (and thus, it can be used to measure the number of varying slots used by
+ * the varyings that are generated by lower_packed_varyings).
+ */
+ unsigned count_attribute_slots() const;
+
+
/**
* Alignment in bytes of the start of this type in a std140 uniform
* block.
* integers.
* \endverbatim
*/
- bool can_implicitly_convert_to(const glsl_type *desired) const;
+ bool can_implicitly_convert_to(const glsl_type *desired,
+ _mesa_glsl_parse_state *state) const;
/**
* Query whether or not a type is a scalar (non-vector and non-matrix).
*/
gl_texture_index sampler_index() const;
+ /**
+ * Query whether or not type is an image, or for struct and array
+ * types, contains an image.
+ */
+ bool contains_image() const;
+
+ /**
+ * Query whether or not a type is an image
+ */
+ bool is_image() const
+ {
+ return base_type == GLSL_TYPE_IMAGE;
+ }
+
/**
* Query whether or not a type is an array
*/
return base_type == GLSL_TYPE_ERROR;
}
+ /**
+ * Query if a type is unnamed/anonymous (named by the parser)
+ */
+ 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
+ {
+ return this->is_array() ? this->fields.array : this;
+ }
+
+ /**
+ * Return the amount of atomic counter storage required for a type.
+ */
+ unsigned atomic_size() const
+ {
+ if (base_type == GLSL_TYPE_ATOMIC_UINT)
+ return ATOMIC_COUNTER_SIZE;
+ else if (is_array())
+ return length * element_type()->atomic_size();
+ else
+ return 0;
+ }
+
+ /**
+ * Return whether a type contains any atomic counters.
+ */
+ bool contains_atomic() const
+ {
+ return atomic_size() > 0;
+ }
+
+ /**
+ * Return whether a type contains any opaque types.
+ */
+ bool contains_opaque() const;
+
/**
* Query the full type of a matrix row
*
: error_type;
}
-
/**
* Get the type of a structure field
*
*/
const glsl_type *field_type(const char *name) const;
-
/**
* Get the location of a filed within a record type
*/
int field_index(const char *name) const;
-
/**
* Query the number of elements in an array type
*
return is_array() ? length : -1;
}
+ /**
+ * Query whether the array size for all dimensions has been declared.
+ */
+ bool is_unsized_array() const
+ {
+ return is_array() && length == 0;
+ }
+
+ /**
+ * Return the number of coordinate components needed for this
+ * sampler or image type.
+ *
+ * This is based purely on the sampler's dimensionality. For example, this
+ * returns 1 for sampler1D, and 3 for sampler2DArray.
+ *
+ * Note that this is often different than actual coordinate type used in
+ * a texturing built-in function, since those pack additional values (such
+ * as the shadow comparitor or projector) into the coordinate type.
+ */
+ int coordinate_components() const;
+
+ /**
+ * Compare a record type against another record type.
+ *
+ * This is useful for matching record types declared across shader stages.
+ */
+ bool record_compare(const glsl_type *b) const;
+
private:
+
+ static mtx_t mutex;
+
/**
* ralloc context for all glsl_type allocations
*
glsl_base_type base_type, unsigned vector_elements,
unsigned matrix_columns, const char *name);
- /** Constructor for sampler types */
- glsl_type(GLenum gl_type,
+ /** Constructor for sampler or image types */
+ glsl_type(GLenum gl_type, glsl_base_type base_type,
enum glsl_sampler_dim dim, bool shadow, bool array,
unsigned type, const char *name);
*/
/*@{*/
#undef DECL_TYPE
-#define DECL_TYPE(NAME, REST...) static const glsl_type _##NAME##_type;
+#define DECL_TYPE(NAME, ...) static const glsl_type _##NAME##_type;
#undef STRUCT_TYPE
#define STRUCT_TYPE(NAME) static const glsl_type _struct_##NAME##_type;
#include "builtin_type_macros.h"
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
+ * if this is a built-in input/output (i.e. a member of the built-in
+ * gl_PerVertex interface block); -1 otherwise.
+ *
+ * Ignored for structs.
+ */
+ int location;
+
+ /**
+ * For interface blocks, the interpolation mode (as in
+ * ir_variable::interpolation). 0 otherwise.
+ */
+ unsigned interpolation:2;
+
+ /**
+ * For interface blocks, 1 if this variable uses centroid interpolation (as
+ * in ir_variable::centroid). 0 otherwise.
+ */
+ unsigned centroid:1;
+
+ /**
+ * For interface blocks, 1 if this variable uses sample interpolation (as
+ * in ir_variable::sample). 0 otherwise.
+ */
+ unsigned sample:1;
+
+ /**
+ * Layout of the matrix. Uses glsl_matrix_layout values.
+ */
+ unsigned matrix_layout:2;
+
+ /**
+ * For interface blocks, it has a value if this variable uses multiple vertex
+ * streams (as in ir_variable::stream). -1 otherwise.
+ */
+ int stream;
};
static inline unsigned int