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,
#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;
/**@}*/
/**
- * 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
*/
unsigned component_slots() const;
+ /**
+ * Calculate the number of unique values from glGetUniformLocation for the
+ * elements of the type.
+ */
+ unsigned uniform_locations() const;
+
/**
* Calculate the number of attribute slots required to hold this type
*
* 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;
}
+ /**
+ * 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 the number of coordinate components needed for this sampler type.
+ * 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.
* a texturing built-in function, since those pack additional values (such
* as the shadow comparitor or projector) into the coordinate type.
*/
- int sampler_coordinate_components() const;
+ 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:
/**
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);
* 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;
+
+ /**
+ * 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
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