aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/glsl/link_varyings.cpp
diff options
context:
space:
mode:
authormarha <marha@users.sourceforge.net>2013-10-16 11:23:27 +0200
committermarha <marha@users.sourceforge.net>2013-10-16 11:23:27 +0200
commit9e23b44bfe1e6e85231b1c07d945cadf0c868648 (patch)
tree0bd2b4d0521570bf020452591c895b90bda51095 /mesalib/src/glsl/link_varyings.cpp
parent81fd17c8678e89cea6610b8b2996b028b21eb5dc (diff)
downloadvcxsrv-9e23b44bfe1e6e85231b1c07d945cadf0c868648.tar.gz
vcxsrv-9e23b44bfe1e6e85231b1c07d945cadf0c868648.tar.bz2
vcxsrv-9e23b44bfe1e6e85231b1c07d945cadf0c868648.zip
fontconfig libxcb libxcb/xcb-proto xserver mesa pixman xkbcomp git update 16 oct 2013
xserver commit 7cf1b595c8c8f9776a39559d2878cf90af3f2859 libxcb commit e4e0c6eec861f4c69da12060dc8dbe7a63fa5eb6 libxcb/xcb-proto commit 55c75accecf0e76d2aa38656efd2be4044b9e643 xkbcomp commit 839ccda42d8b088d94324cd77c4be954859914d3 pixman commit 9e81419ed5c0ee490ddacf7bada516a25cae87eb fontconfig commit 5406919c5e186f74ccdade1a65344ce7b5c56a64 mesa commit 6e444a72c1f9e4446e025b8cb780523cb89f0584
Diffstat (limited to 'mesalib/src/glsl/link_varyings.cpp')
-rw-r--r--mesalib/src/glsl/link_varyings.cpp113
1 files changed, 86 insertions, 27 deletions
diff --git a/mesalib/src/glsl/link_varyings.cpp b/mesalib/src/glsl/link_varyings.cpp
index 905621daf..4ba6d8a20 100644
--- a/mesalib/src/glsl/link_varyings.cpp
+++ b/mesalib/src/glsl/link_varyings.cpp
@@ -972,8 +972,8 @@ public:
this->toplevel_var = var;
this->varying_floats = 0;
if (var->is_interface_instance())
- program_resource_visitor::process(var->interface_type,
- var->interface_type->name);
+ program_resource_visitor::process(var->get_interface_type(),
+ var->get_interface_type()->name);
else
program_resource_visitor::process(var);
}
@@ -1083,10 +1083,10 @@ assign_varying_locations(struct gl_context *ctx,
((ir_instruction *) node)->as_variable();
if ((input_var != NULL) && (input_var->mode == ir_var_shader_in)) {
- if (input_var->interface_type != NULL) {
+ if (input_var->get_interface_type() != NULL) {
char *const iface_field_name =
ralloc_asprintf(mem_ctx, "%s.%s",
- input_var->interface_type->name,
+ input_var->get_interface_type()->name,
input_var->name);
hash_table_insert(consumer_interface_inputs, input_var,
iface_field_name);
@@ -1108,10 +1108,10 @@ assign_varying_locations(struct gl_context *ctx,
g.process(output_var);
ir_variable *input_var;
- if (output_var->interface_type != NULL) {
+ if (output_var->get_interface_type() != NULL) {
char *const iface_field_name =
ralloc_asprintf(mem_ctx, "%s.%s",
- output_var->interface_type->name,
+ output_var->get_interface_type()->name,
output_var->name);
input_var =
(ir_variable *) hash_table_find(consumer_interface_inputs,
@@ -1220,39 +1220,98 @@ assign_varying_locations(struct gl_context *ctx,
}
bool
-check_against_varying_limit(struct gl_context *ctx,
- struct gl_shader_program *prog,
- gl_shader *consumer)
+check_against_output_limit(struct gl_context *ctx,
+ struct gl_shader_program *prog,
+ gl_shader *producer)
{
- unsigned varying_vectors = 0;
+ unsigned output_vectors = 0;
+
+ foreach_list(node, producer->ir) {
+ ir_variable *const var = ((ir_instruction *) node)->as_variable();
+
+ if (var && var->mode == ir_var_shader_out &&
+ is_varying_var(producer->Type, var)) {
+ output_vectors += var->type->count_attribute_slots();
+ }
+ }
+
+ unsigned max_output_components;
+ switch (producer->Type) {
+ case GL_VERTEX_SHADER:
+ max_output_components = ctx->Const.VertexProgram.MaxOutputComponents;
+ break;
+ case GL_GEOMETRY_SHADER:
+ max_output_components = ctx->Const.GeometryProgram.MaxOutputComponents;
+ break;
+ case GL_FRAGMENT_SHADER:
+ default:
+ assert(!"Should not get here.");
+ return false;
+ }
+
+ const unsigned output_components = output_vectors * 4;
+ if (output_components > max_output_components) {
+ if (ctx->API == API_OPENGLES2 || prog->IsES)
+ linker_error(prog, "shader uses too many output vectors "
+ "(%u > %u)\n",
+ output_vectors,
+ max_output_components / 4);
+ else
+ linker_error(prog, "shader uses too many output components "
+ "(%u > %u)\n",
+ output_components,
+ max_output_components);
+
+ return false;
+ }
+
+ return true;
+}
+
+bool
+check_against_input_limit(struct gl_context *ctx,
+ struct gl_shader_program *prog,
+ gl_shader *consumer)
+{
+ unsigned input_vectors = 0;
foreach_list(node, consumer->ir) {
ir_variable *const var = ((ir_instruction *) node)->as_variable();
if (var && var->mode == ir_var_shader_in &&
is_varying_var(consumer->Type, var)) {
- /* The packing rules used for vertex shader inputs are also
- * used for fragment shader inputs.
- */
- varying_vectors += var->type->count_attribute_slots();
+ input_vectors += var->type->count_attribute_slots();
}
}
- if (ctx->API == API_OPENGLES2 || prog->IsES) {
- if (varying_vectors > ctx->Const.MaxVarying) {
- linker_error(prog, "shader uses too many varying vectors "
+ unsigned max_input_components;
+ switch (consumer->Type) {
+ case GL_GEOMETRY_SHADER:
+ max_input_components = ctx->Const.GeometryProgram.MaxInputComponents;
+ break;
+ case GL_FRAGMENT_SHADER:
+ max_input_components = ctx->Const.FragmentProgram.MaxInputComponents;
+ break;
+ case GL_VERTEX_SHADER:
+ default:
+ assert(!"Should not get here.");
+ return false;
+ }
+
+ const unsigned input_components = input_vectors * 4;
+ if (input_components > max_input_components) {
+ if (ctx->API == API_OPENGLES2 || prog->IsES)
+ linker_error(prog, "shader uses too many input vectors "
"(%u > %u)\n",
- varying_vectors, ctx->Const.MaxVarying);
- return false;
- }
- } else {
- const unsigned float_components = varying_vectors * 4;
- if (float_components > ctx->Const.MaxVarying * 4) {
- linker_error(prog, "shader uses too many varying components "
+ input_vectors,
+ max_input_components / 4);
+ else
+ linker_error(prog, "shader uses too many input components "
"(%u > %u)\n",
- float_components, ctx->Const.MaxVarying * 4);
- return false;
- }
+ input_components,
+ max_input_components);
+
+ return false;
}
return true;