summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/compiler/glsl/linker.cpp30
1 files changed, 17 insertions, 13 deletions
diff --git a/src/compiler/glsl/linker.cpp b/src/compiler/glsl/linker.cpp
index a051c9d7e3..535a122b3f 100644
--- a/src/compiler/glsl/linker.cpp
+++ b/src/compiler/glsl/linker.cpp
@@ -92,10 +92,12 @@
namespace {
struct find_variable {
- const char *name;
+ enum ir_variable_mode mode;
+ unsigned location;
bool found;
- find_variable(const char *name) : name(name), found(false) {}
+ find_variable(enum ir_variable_mode mode, unsigned location) :
+ mode(mode), location(location), found(false) {}
};
/**
@@ -115,7 +117,7 @@ public:
{
ir_variable *const var = ir->lhs->variable_referenced();
- return check_variable_name(var->name);
+ return check_variable(var);
}
virtual ir_visitor_status visit_enter(ir_call *ir)
@@ -128,7 +130,7 @@ public:
if (sig_param->data.mode == ir_var_function_out ||
sig_param->data.mode == ir_var_function_inout) {
ir_variable *var = param_rval->variable_referenced();
- if (var && check_variable_name(var->name) == visit_stop)
+ if (var && check_variable(var) == visit_stop)
return visit_stop;
}
}
@@ -136,7 +138,7 @@ public:
if (ir->return_deref != NULL) {
ir_variable *const var = ir->return_deref->variable_referenced();
- if (check_variable_name(var->name) == visit_stop)
+ if (check_variable(var) == visit_stop)
return visit_stop;
}
@@ -144,10 +146,12 @@ public:
}
private:
- ir_visitor_status check_variable_name(const char *name)
+ ir_visitor_status check_variable(ir_variable *var)
{
for (unsigned i = 0; i < num_variables; ++i) {
- if (strcmp(variables[i]->name, name) == 0) {
+ if (variables[i]->mode == var->data.mode &&
+ var->data.explicit_location &&
+ variables[i]->location == var->data.location) {
if (!variables[i]->found) {
variables[i]->found = true;
@@ -608,9 +612,9 @@ analyze_clip_cull_usage(struct gl_shader_program *prog,
* gl_ClipVertex nor gl_ClipDistance. However with
* GL_EXT_clip_cull_distance, this functionality is exposed in ES 3.0.
*/
- find_variable gl_ClipDistance("gl_ClipDistance");
- find_variable gl_CullDistance("gl_CullDistance");
- find_variable gl_ClipVertex("gl_ClipVertex");
+ find_variable gl_ClipDistance(ir_var_shader_out, VARYING_SLOT_CLIP_DIST0);
+ find_variable gl_CullDistance(ir_var_shader_out, VARYING_SLOT_CULL_DIST0);
+ find_variable gl_ClipVertex(ir_var_shader_out, VARYING_SLOT_CLIP_VERTEX);
find_variable * const variables[] = {
&gl_ClipDistance,
&gl_CullDistance,
@@ -718,7 +722,7 @@ validate_vertex_shader_executable(struct gl_shader_program *prog,
* gl_Position is not an error.
*/
if (prog->data->Version < (prog->IsES ? 300 : 140)) {
- find_variable gl_Position("gl_Position");
+ find_variable gl_Position(ir_var_shader_out, VARYING_SLOT_POS);
find_assignments(shader->ir, &gl_Position);
if (!gl_Position.found) {
if (prog->IsES) {
@@ -764,8 +768,8 @@ validate_fragment_shader_executable(struct gl_shader_program *prog,
if (shader == NULL)
return;
- find_variable gl_FragColor("gl_FragColor");
- find_variable gl_FragData("gl_FragData");
+ find_variable gl_FragColor(ir_var_shader_out, FRAG_RESULT_COLOR);
+ find_variable gl_FragData(ir_var_shader_out, FRAG_RESULT_DATA0);
find_variable * const variables[] = { &gl_FragColor, &gl_FragData, NULL };
find_assignments(shader->ir, variables);