diff options
Diffstat (limited to 'src/glsl/ir.h')
| -rw-r--r-- | src/glsl/ir.h | 54 |
1 files changed, 43 insertions, 11 deletions
diff --git a/src/glsl/ir.h b/src/glsl/ir.h index 80ad3dd295e..2e899f3ed6f 100644 --- a/src/glsl/ir.h +++ b/src/glsl/ir.h @@ -144,7 +144,7 @@ public: ir_rvalue *as_rvalue_to_saturate(); - virtual bool is_lvalue() + virtual bool is_lvalue() const { return false; } @@ -152,7 +152,7 @@ public: /** * Get the variable that is ultimately referenced by an r-value */ - virtual ir_variable *variable_referenced() + virtual ir_variable *variable_referenced() const { return NULL; } @@ -236,7 +236,7 @@ enum ir_variable_interpolation { /** * \brief Layout qualifiers for gl_FragDepth. * - * The AMD_conservative_depth extension allows gl_FragDepth to be redeclared + * The AMD/ARB_conservative_depth extensions allow gl_FragDepth to be redeclared * with a layout qualifier. */ enum ir_depth_layout { @@ -1212,7 +1212,8 @@ enum ir_texture_opcode { ir_txb, /**< Texture look-up with LOD bias */ ir_txl, /**< Texture look-up with explicit LOD */ ir_txd, /**< Texture look-up with partial derivatvies */ - ir_txf /**< Texel fetch with explicit LOD */ + ir_txf, /**< Texel fetch with explicit LOD */ + ir_txs /**< Texture size */ }; @@ -1233,6 +1234,7 @@ enum ir_texture_opcode { * (txl <type> <sampler> <coordinate> 0 1 ( ) <lod>) * (txd <type> <sampler> <coordinate> 0 1 ( ) (dPdx dPdy)) * (txf <type> <sampler> <coordinate> 0 <lod>) + * (txs <type> <sampler> <lod>) */ class ir_texture : public ir_rvalue { public: @@ -1355,7 +1357,7 @@ public: virtual ir_visitor_status accept(ir_hierarchical_visitor *); - bool is_lvalue() + bool is_lvalue() const { return val->is_lvalue() && !mask.has_duplicates; } @@ -1363,7 +1365,7 @@ public: /** * Get the variable that is ultimately referenced by an r-value */ - virtual ir_variable *variable_referenced(); + virtual ir_variable *variable_referenced() const; ir_rvalue *val; ir_swizzle_mask mask; @@ -1387,12 +1389,12 @@ public: return this; } - bool is_lvalue(); + bool is_lvalue() const; /** * Get the variable that is ultimately referenced by an r-value */ - virtual ir_variable *variable_referenced() = 0; + virtual ir_variable *variable_referenced() const = 0; }; @@ -1413,7 +1415,7 @@ public: /** * Get the variable that is ultimately referenced by an r-value */ - virtual ir_variable *variable_referenced() + virtual ir_variable *variable_referenced() const { return this->var; } @@ -1462,7 +1464,7 @@ public: /** * Get the variable that is ultimately referenced by an r-value */ - virtual ir_variable *variable_referenced() + virtual ir_variable *variable_referenced() const { return this->array->variable_referenced(); } @@ -1496,7 +1498,7 @@ public: /** * Get the variable that is ultimately referenced by an r-value */ - virtual ir_variable *variable_referenced() + virtual ir_variable *variable_referenced() const { return this->record->variable_referenced(); } @@ -1635,6 +1637,32 @@ visit_exec_list(exec_list *list, ir_visitor *visitor); */ void validate_ir_tree(exec_list *instructions); +struct _mesa_glsl_parse_state; +struct gl_shader_program; + +/** + * Detect whether an unlinked shader contains static recursion + * + * If the list of instructions is determined to contain static recursion, + * \c _mesa_glsl_error will be called to emit error messages for each function + * that is in the recursion cycle. + */ +void +detect_recursion_unlinked(struct _mesa_glsl_parse_state *state, + exec_list *instructions); + +/** + * Detect whether a linked shader contains static recursion + * + * If the list of instructions is determined to contain static recursion, + * \c link_error_printf will be called to emit error messages for each function + * that is in the recursion cycle. In addition, + * \c gl_shader_program::LinkStatus will be set to false. + */ +void +detect_recursion_linked(struct gl_shader_program *prog, + exec_list *instructions); + /** * Make a clone of each IR instruction in a list * @@ -1669,4 +1697,8 @@ ir_has_call(ir_instruction *ir); extern void do_set_program_inouts(exec_list *instructions, struct gl_program *prog); +extern char * +prototype_string(const glsl_type *return_type, const char *name, + exec_list *parameters); + #endif /* IR_H */ |