diff options
Diffstat (limited to 'mesalib/src/glsl/link_uniform_blocks.cpp')
-rw-r--r-- | mesalib/src/glsl/link_uniform_blocks.cpp | 48 |
1 files changed, 23 insertions, 25 deletions
diff --git a/mesalib/src/glsl/link_uniform_blocks.cpp b/mesalib/src/glsl/link_uniform_blocks.cpp index f5fc5022e..6ca41107e 100644 --- a/mesalib/src/glsl/link_uniform_blocks.cpp +++ b/mesalib/src/glsl/link_uniform_blocks.cpp @@ -67,6 +67,28 @@ private: assert(!"Should not get here."); } + virtual void enter_record(const glsl_type *type, const char *name, + bool row_major) { + assert(type->is_record()); + this->offset = glsl_align( + this->offset, type->std140_base_alignment(row_major)); + } + + virtual void leave_record(const glsl_type *type, const char *name, + bool row_major) { + assert(type->is_record()); + + /* If this is the last field of a structure, apply rule #9. The + * GL_ARB_uniform_buffer_object spec says: + * + * "The structure may have padding at the end; the base offset of + * the member following the sub-structure is rounded up to the next + * multiple of the base alignment of the structure." + */ + this->offset = glsl_align( + this->offset, type->std140_base_alignment(row_major)); + } + virtual void visit_field(const glsl_type *type, const char *name, bool row_major, const glsl_type *record_type, bool last_field) @@ -97,27 +119,13 @@ private: v->IndexName = v->Name; } - const unsigned alignment = record_type - ? record_type->std140_base_alignment(v->RowMajor) - : type->std140_base_alignment(v->RowMajor); + const unsigned alignment = type->std140_base_alignment(v->RowMajor); unsigned size = type->std140_size(v->RowMajor); this->offset = glsl_align(this->offset, alignment); v->Offset = this->offset; - /* If this is the last field of a structure, apply rule #9. The - * GL_ARB_uniform_buffer_object spec says: - * - * "The structure may have padding at the end; the base offset of - * the member following the sub-structure is rounded up to the next - * multiple of the base alignment of the structure." - * - * last_field won't be set if this is the last field of a UBO that is - * not a named instance. - */ this->offset += size; - if (last_field) - this->offset = glsl_align(this->offset, 16); /* From the GL_ARB_uniform_buffer_object spec: * @@ -131,16 +139,6 @@ private: */ this->buffer_size = glsl_align(this->offset, 16); } - - virtual void visit_field(const glsl_struct_field *field) - { - /* FINISHME: When support for doubles (dvec4, etc.) is added to the - * FINISHME: compiler, this may be incorrect for a structure in a UBO - * FINISHME: like struct s { struct { float f } s1; dvec4 v; };. - */ - this->offset = glsl_align(this->offset, - field->type->std140_base_alignment(false)); - } }; class count_block_size : public program_resource_visitor { |