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author | marha <marha@users.sourceforge.net> | 2013-10-16 11:23:27 +0200 |
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committer | marha <marha@users.sourceforge.net> | 2013-10-16 11:23:27 +0200 |
commit | 9e23b44bfe1e6e85231b1c07d945cadf0c868648 (patch) | |
tree | 0bd2b4d0521570bf020452591c895b90bda51095 /mesalib/src/glsl/ir.h | |
parent | 81fd17c8678e89cea6610b8b2996b028b21eb5dc (diff) | |
download | vcxsrv-9e23b44bfe1e6e85231b1c07d945cadf0c868648.tar.gz vcxsrv-9e23b44bfe1e6e85231b1c07d945cadf0c868648.tar.bz2 vcxsrv-9e23b44bfe1e6e85231b1c07d945cadf0c868648.zip |
fontconfig libxcb libxcb/xcb-proto xserver mesa pixman xkbcomp git update 16 oct 2013
xserver commit 7cf1b595c8c8f9776a39559d2878cf90af3f2859
libxcb commit e4e0c6eec861f4c69da12060dc8dbe7a63fa5eb6
libxcb/xcb-proto commit 55c75accecf0e76d2aa38656efd2be4044b9e643
xkbcomp commit 839ccda42d8b088d94324cd77c4be954859914d3
pixman commit 9e81419ed5c0ee490ddacf7bada516a25cae87eb
fontconfig commit 5406919c5e186f74ccdade1a65344ce7b5c56a64
mesa commit 6e444a72c1f9e4446e025b8cb780523cb89f0584
Diffstat (limited to 'mesalib/src/glsl/ir.h')
-rw-r--r-- | mesalib/src/glsl/ir.h | 91 |
1 files changed, 90 insertions, 1 deletions
diff --git a/mesalib/src/glsl/ir.h b/mesalib/src/glsl/ir.h index 1a4a3a2e3..aac8cbb7d 100644 --- a/mesalib/src/glsl/ir.h +++ b/mesalib/src/glsl/ir.h @@ -392,6 +392,65 @@ public: } /** + * Set this->interface_type on a newly created variable. + */ + void init_interface_type(const struct glsl_type *type) + { + assert(this->interface_type == NULL); + this->interface_type = type; + if (this->is_interface_instance()) { + this->max_ifc_array_access = + rzalloc_array(this, unsigned, type->length); + } + } + + /** + * Change this->interface_type on a variable that previously had a + * different, but compatible, interface_type. This is used during linking + * to set the size of arrays in interface blocks. + */ + void change_interface_type(const struct glsl_type *type) + { + if (this->max_ifc_array_access != NULL) { + /* max_ifc_array_access has already been allocated, so make sure the + * new interface has the same number of fields as the old one. + */ + assert(this->interface_type->length == type->length); + } + this->interface_type = type; + } + + /** + * Change this->interface_type on a variable that previously had a + * different, and incompatible, interface_type. This is used during + * compilation to handle redeclaration of the built-in gl_PerVertex + * interface block. + */ + void reinit_interface_type(const struct glsl_type *type) + { + if (this->max_ifc_array_access != NULL) { +#ifndef _NDEBUG + /* Redeclaring gl_PerVertex is only allowed if none of the built-ins + * it defines have been accessed yet; so it's safe to throw away the + * old max_ifc_array_access pointer, since all of its values are + * zero. + */ + for (unsigned i = 0; i < this->interface_type->length; i++) + assert(this->max_ifc_array_access[i] == 0); +#endif + ralloc_free(this->max_ifc_array_access); + this->max_ifc_array_access = NULL; + } + this->interface_type = NULL; + init_interface_type(type); + } + + const glsl_type *get_interface_type() const + { + return this->interface_type; + } + + /** * Declared type of the variable */ const struct glsl_type *type; @@ -409,6 +468,19 @@ public: unsigned max_array_access; /** + * For variables which satisfy the is_interface_instance() predicate, this + * points to an array of integers such that if the ith member of the + * interface block is an array, max_ifc_array_access[i] is the maximum + * array element of that member that has been accessed. If the ith member + * of the interface block is not an array, max_ifc_array_access[i] is + * unused. + * + * For variables whose type is not an interface block, this pointer is + * NULL. + */ + unsigned *max_ifc_array_access; + + /** * Is the variable read-only? * * This is set for variables declared as \c const, shader inputs, @@ -582,6 +654,7 @@ public: */ ir_constant *constant_initializer; +private: /** * 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. @@ -1091,10 +1164,26 @@ enum ir_expression_operation { ir_binop_add, ir_binop_sub, - ir_binop_mul, + ir_binop_mul, /**< Floating-point or low 32-bit integer multiply. */ + ir_binop_imul_high, /**< Calculates the high 32-bits of a 64-bit multiply. */ ir_binop_div, /** + * Returns the carry resulting from the addition of the two arguments. + */ + /*@{*/ + ir_binop_carry, + /*@}*/ + + /** + * Returns the borrow resulting from the subtraction of the second argument + * from the first argument. + */ + /*@{*/ + ir_binop_borrow, + /*@}*/ + + /** * Takes one of two combinations of arguments: * * - mod(vecN, vecN) |