[Mesa-dev] [PATCH v2 08/28] glsl: Uniform linking support for doubles
Ilia Mirkin
imirkin at alum.mit.edu
Thu Feb 5 20:56:30 PST 2015
From: Dave Airlie <airlied at gmail.com>
Signed-off-by: Dave Airlie <airlied at redhat.com>
---
src/glsl/link_uniforms.cpp | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/glsl/link_uniforms.cpp b/src/glsl/link_uniforms.cpp
index de2f6c9..0a4dac2 100644
--- a/src/glsl/link_uniforms.cpp
+++ b/src/glsl/link_uniforms.cpp
@@ -51,6 +51,9 @@ values_for_type(const glsl_type *type)
return 1;
} else if (type->is_array() && type->fields.array->is_sampler()) {
return type->array_size();
+ } else if ((type->is_array() && type->fields.array->is_double()) ||
+ type->is_double()) {
+ return 2 * type->component_slots();
} else {
return type->component_slots();
}
@@ -608,7 +611,9 @@ private:
}
if (type->without_array()->is_matrix()) {
- this->uniforms[id].matrix_stride = 16;
+ unsigned N = type->base_type == GLSL_TYPE_DOUBLE ? 8 : 4;
+ unsigned items = row_major ? type->matrix_columns : type->vector_elements;
+ this->uniforms[id].matrix_stride = glsl_align(items * N, 16);
this->uniforms[id].row_major = row_major;
} else {
this->uniforms[id].matrix_stride = 0;
--
2.0.5
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