diff options
Diffstat (limited to 'src/glsl/lower_packed_varyings.cpp')
-rw-r--r-- | src/glsl/lower_packed_varyings.cpp | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/glsl/lower_packed_varyings.cpp b/src/glsl/lower_packed_varyings.cpp index cfe414ae088..5d66ca931cf 100644 --- a/src/glsl/lower_packed_varyings.cpp +++ b/src/glsl/lower_packed_varyings.cpp @@ -170,7 +170,7 @@ public: exec_list *out_instructions, exec_list *out_variables); - void run(exec_list *instructions); + void run(struct gl_shader *shader); private: void bitwise_assign_pack(ir_rvalue *lhs, ir_rvalue *rhs); @@ -252,9 +252,9 @@ lower_packed_varyings_visitor::lower_packed_varyings_visitor( } void -lower_packed_varyings_visitor::run(exec_list *instructions) +lower_packed_varyings_visitor::run(struct gl_shader *shader) { - foreach_in_list(ir_instruction, node, instructions) { + foreach_in_list(ir_instruction, node, shader->ir) { ir_variable *var = node->as_variable(); if (var == NULL) continue; @@ -272,6 +272,14 @@ lower_packed_varyings_visitor::run(exec_list *instructions) assert(var->data.interpolation == INTERP_QUALIFIER_FLAT || !var->type->contains_integer()); + /* Clone the variable for program resource list before + * it gets modified and lost. + */ + if (!shader->packed_varyings) + shader->packed_varyings = new (shader) exec_list; + + shader->packed_varyings->push_tail(var->clone(shader, NULL)); + /* Change the old varying into an ordinary global. */ assert(var->data.mode != ir_var_temporary); var->data.mode = ir_var_auto; @@ -711,7 +719,7 @@ lower_packed_varyings(void *mem_ctx, unsigned locations_used, gs_input_vertices, &new_instructions, &new_variables); - visitor.run(instructions); + visitor.run(shader); if (mode == ir_var_shader_out) { if (shader->Stage == MESA_SHADER_GEOMETRY) { /* For geometry shaders, outputs need to be lowered before each call |