diff options
| author | Chris Forbes <[email protected]> | 2013-09-25 16:56:36 +1200 |
|---|---|---|
| committer | Chris Forbes <[email protected]> | 2013-10-03 07:56:02 +1300 |
| commit | 36e25ccd29056d965612523f82d973b43b85313e (patch) | |
| tree | 31a6e24ddd3236132e7a505ccd474e4e518d3b8f | |
| parent | 4ed3930f9741721f4ace2d008678c0c88fdcc501 (diff) | |
glsl: flag shaders which use gather4 at all
Signed-off-by: Chris Forbes <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
| -rw-r--r-- | src/glsl/ir_set_program_inouts.cpp | 9 | ||||
| -rw-r--r-- | src/mesa/main/mtypes.h | 2 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/glsl/ir_set_program_inouts.cpp b/src/glsl/ir_set_program_inouts.cpp index 1267d6d7177..ab23538c341 100644 --- a/src/glsl/ir_set_program_inouts.cpp +++ b/src/glsl/ir_set_program_inouts.cpp @@ -59,6 +59,7 @@ public: virtual ir_visitor_status visit_enter(ir_function_signature *); virtual ir_visitor_status visit_enter(ir_expression *); virtual ir_visitor_status visit_enter(ir_discard *); + virtual ir_visitor_status visit_enter(ir_texture *); virtual ir_visitor_status visit(ir_dereference_variable *); private: @@ -319,6 +320,14 @@ ir_set_program_inouts_visitor::visit_enter(ir_discard *) return visit_continue; } +ir_visitor_status +ir_set_program_inouts_visitor::visit_enter(ir_texture *ir) +{ + if (ir->op == ir_tg4) + prog->UsesGather = true; + return visit_continue; +} + void do_set_program_inouts(exec_list *instructions, struct gl_program *prog, GLenum shader_type) diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 3d414d5e76e..514f81048d1 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -1963,6 +1963,8 @@ struct gl_program GLbitfield SamplersUsed; /**< Bitfield of which samplers are used */ GLbitfield ShadowSamplers; /**< Texture units used for shadow sampling. */ + GLboolean UsesGather; /**< Does this program use gather4 at all? */ + /** Named parameters, constants, etc. from program text */ struct gl_program_parameter_list *Parameters; |