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authormarha <marha@users.sourceforge.net>2013-01-28 07:58:44 +0100
committermarha <marha@users.sourceforge.net>2013-01-28 07:58:44 +0100
commit39b49babc915183f4d712053b46f0e010427c191 (patch)
treeb512cf3f17a0defe9e2cd6ababdc9f5337f93d0e /mesalib/src/glsl/ir.h
parent3e3af07f7697e9d23dd62fcf8f3a055602ae3341 (diff)
parent69c8cec54b01ed522bf10baf20da70304bac701a (diff)
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Merge remote-tracking branch 'origin/released'
* origin/released: mesa mkfontscale pixman git update 28 jan 2013
Diffstat (limited to 'mesalib/src/glsl/ir.h')
-rw-r--r--mesalib/src/glsl/ir.h100
1 files changed, 85 insertions, 15 deletions
diff --git a/mesalib/src/glsl/ir.h b/mesalib/src/glsl/ir.h
index 85fc5ce95..efd80dad8 100644
--- a/mesalib/src/glsl/ir.h
+++ b/mesalib/src/glsl/ir.h
@@ -265,9 +265,11 @@ protected:
enum ir_variable_mode {
ir_var_auto = 0, /**< Function local variables and globals. */
ir_var_uniform, /**< Variable declared as a uniform. */
- ir_var_in,
- ir_var_out,
- ir_var_inout,
+ ir_var_shader_in,
+ ir_var_shader_out,
+ ir_var_function_in,
+ ir_var_function_out,
+ ir_var_function_inout,
ir_var_const_in, /**< "in" param that must be a constant expression */
ir_var_system_value, /**< Ex: front-face, instance-id, etc. */
ir_var_temporary /**< Temporary variable generated during compilation. */
@@ -348,6 +350,41 @@ public:
glsl_interp_qualifier determine_interpolation_mode(bool flat_shade);
/**
+ * Determine whether or not a variable is part of a uniform block.
+ */
+ inline bool is_in_uniform_block() const
+ {
+ return this->mode == ir_var_uniform && this->interface_type != NULL;
+ }
+
+ /**
+ * Determine whether or not a variable is the declaration of an interface
+ * block
+ *
+ * For the first declaration below, there will be an \c ir_variable named
+ * "instance" whose type and whose instance_type will be the same
+ * \cglsl_type. For the second declaration, there will be an \c ir_variable
+ * named "f" whose type is float and whose instance_type is B2.
+ *
+ * "instance" is an interface instance variable, but "f" is not.
+ *
+ * uniform B1 {
+ * float f;
+ * } instance;
+ *
+ * uniform B2 {
+ * float f;
+ * };
+ */
+ inline bool is_interface_instance() const
+ {
+ const glsl_type *const t = this->type;
+
+ return (t == this->interface_type)
+ || (t->is_array() && t->fields.array == this->interface_type);
+ }
+
+ /**
* Declared type of the variable
*/
const struct glsl_type *type;
@@ -401,7 +438,7 @@ public:
*
* \sa ir_variable_mode
*/
- unsigned mode:3;
+ unsigned mode:4;
/**
* Interpolation mode for shader inputs / outputs
@@ -481,16 +518,6 @@ public:
int location;
/**
- * Uniform block number for uniforms.
- *
- * This index is into the shader's list of uniform blocks, not the
- * linked program's merged list.
- *
- * If the variable is not in a uniform block, the value will be -1.
- */
- int uniform_block;
-
- /**
* output index for dual source blending.
*/
int index;
@@ -530,6 +557,14 @@ public:
* objects.
*/
ir_constant *constant_initializer;
+
+ /**
+ * For variables that are in an interface block or are an instance of an
+ * interface block, this is the \c GLSL_TYPE_INTERFACE type for that block.
+ *
+ * \sa ir_variable::location
+ */
+ const glsl_type *interface_type;
};
@@ -908,7 +943,7 @@ public:
unsigned write_mask:4;
};
-/* Update ir_expression::num_operands() and operator_strs when
+/* Update ir_expression::get_num_operands() and operator_strs when
* updating this list.
*/
enum ir_expression_operation {
@@ -969,6 +1004,32 @@ enum ir_expression_operation {
ir_unop_dFdy,
/*@}*/
+ /**
+ * \name Floating point pack and unpack operations.
+ */
+ /*@{*/
+ ir_unop_pack_snorm_2x16,
+ ir_unop_pack_snorm_4x8,
+ ir_unop_pack_unorm_2x16,
+ ir_unop_pack_unorm_4x8,
+ ir_unop_pack_half_2x16,
+ ir_unop_unpack_snorm_2x16,
+ ir_unop_unpack_snorm_4x8,
+ ir_unop_unpack_unorm_2x16,
+ ir_unop_unpack_unorm_4x8,
+ ir_unop_unpack_half_2x16,
+ /*@}*/
+
+ /**
+ * \name Lowered floating point unpacking operations.
+ *
+ * \see lower_packing_builtins_visitor::split_unpack_half_2x16
+ */
+ /*@{*/
+ ir_unop_unpack_half_2x16_split_x,
+ ir_unop_unpack_half_2x16_split_y,
+ /*@}*/
+
ir_unop_noise,
/**
@@ -1036,6 +1097,15 @@ enum ir_expression_operation {
ir_binop_pow,
/**
+ * \name Lowered floating point packing operations.
+ *
+ * \see lower_packing_builtins_visitor::split_pack_half_2x16
+ */
+ /*@{*/
+ ir_binop_pack_half_2x16_split,
+ /*@}*/
+
+ /**
* Load a value the size of a given GLSL type from a uniform block.
*
* operand0 is the ir_constant uniform block index in the linked shader.