diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/glsl/link_varyings.cpp | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/src/glsl/link_varyings.cpp b/src/glsl/link_varyings.cpp index a80a1b5660d..863a3995c00 100644 --- a/src/glsl/link_varyings.cpp +++ b/src/glsl/link_varyings.cpp @@ -41,6 +41,29 @@ /** + * Get the varying type stripped of the outermost array if we're processing + * a stage whose varyings are arrays indexed by a vertex number (such as + * geometry shader inputs). + */ +static const glsl_type * +get_varying_type(const ir_variable *var, gl_shader_stage stage) +{ + const glsl_type *type = var->type; + + if (!var->data.patch && + ((var->data.mode == ir_var_shader_out && + stage == MESA_SHADER_TESS_CTRL) || + (var->data.mode == ir_var_shader_in && + (stage == MESA_SHADER_TESS_CTRL || stage == MESA_SHADER_TESS_EVAL || + stage == MESA_SHADER_GEOMETRY)))) { + assert(type->is_array()); + type = type->fields.array; + } + + return type; +} + +/** * Validate the types and qualifiers of an output from one stage against the * matching input to another stage. */ @@ -981,18 +1004,11 @@ varying_matches::record(ir_variable *producer_var, ir_variable *consumer_var) this->matches[this->num_matches].packing_order = this->compute_packing_order(var); if (this->disable_varying_packing) { - const struct glsl_type *type = var->type; unsigned slots; + gl_shader_stage stage = + (producer_var != NULL) ? producer_stage : consumer_stage; - /* Some shader stages have 2-dimensional varyings. Use the inner type. */ - if (!var->data.patch && - ((var == producer_var && producer_stage == MESA_SHADER_TESS_CTRL) || - (var == consumer_var && (consumer_stage == MESA_SHADER_TESS_CTRL || - consumer_stage == MESA_SHADER_TESS_EVAL || - consumer_stage == MESA_SHADER_GEOMETRY)))) { - assert(type->is_array()); - type = type->fields.array; - } + const glsl_type *type = get_varying_type(var, stage); slots = type->count_attribute_slots(false); this->matches[this->num_matches].num_components = slots * 4; |