#include "linker.h"
#include "ir_uniform.h"
#include "link_uniform_block_active_visitor.h"
-#include "main/hash_table.h"
+#include "util/hash_table.h"
#include "program.h"
namespace {
assert(!"Should not get here.");
}
+ virtual void enter_record(const glsl_type *type, const char *,
+ bool row_major, const unsigned packing) {
+ assert(type->is_record());
+ if (packing == GLSL_INTERFACE_PACKING_STD430)
+ this->offset = glsl_align(
+ this->offset, type->std430_base_alignment(row_major));
+ else
+ this->offset = glsl_align(
+ this->offset, type->std140_base_alignment(row_major));
+ }
+
+ virtual void leave_record(const glsl_type *type, const char *,
+ bool row_major, const unsigned packing) {
+ 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."
+ */
+ if (packing == GLSL_INTERFACE_PACKING_STD430)
+ this->offset = glsl_align(
+ this->offset, type->std430_base_alignment(row_major));
+ else
+ 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 row_major, const glsl_type *,
+ const unsigned packing,
+ bool /* last_field */)
{
assert(this->index < this->num_variables);
v->Name = ralloc_strdup(mem_ctx, name);
v->Type = type;
- v->RowMajor = row_major;
+ v->RowMajor = type->without_array()->is_matrix() && row_major;
if (this->is_array_instance) {
v->IndexName = ralloc_strdup(mem_ctx, name);
unsigned len = strlen(close_bracket + 1) + 1;
memmove(open_bracket, close_bracket + 1, len);
- } else {
+ } else {
v->IndexName = v->Name;
}
- const unsigned alignment = record_type
- ? record_type->std140_base_alignment(v->RowMajor)
- : type->std140_base_alignment(v->RowMajor);
- unsigned size = type->std140_size(v->RowMajor);
+ unsigned alignment = 0;
+ unsigned size = 0;
+
+ if (packing == GLSL_INTERFACE_PACKING_STD430) {
+ alignment = type->std430_base_alignment(v->RowMajor);
+ size = type->std430_size(v->RowMajor);
+ } else {
+ alignment = type->std140_base_alignment(v->RowMajor);
+ size = type->std140_size(v->RowMajor);
+ }
this->offset = glsl_align(this->offset, alignment);
v->Offset = this->offset;
+
this->offset += size;
/* From the GL_ARB_uniform_buffer_object spec:
*/
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 {
unsigned
link_uniform_blocks(void *mem_ctx,
+ struct gl_context *ctx,
struct gl_shader_program *prog,
struct gl_shader **shader_list,
unsigned num_shaders,
* the hash is organized by block-name.
*/
struct hash_table *block_hash =
- _mesa_hash_table_create(mem_ctx, _mesa_key_string_equal);
+ _mesa_hash_table_create(mem_ctx, _mesa_key_hash_string,
+ _mesa_key_string_equal);
+
+ if (block_hash == NULL) {
+ _mesa_error_no_memory(__func__);
+ linker_error(prog, "out of memory\n");
+ return 0;
+ }
/* Determine which uniform blocks are active.
*/
== unsigned(ubo_packing_shared));
STATIC_ASSERT(unsigned(GLSL_INTERFACE_PACKING_PACKED)
== unsigned(ubo_packing_packed));
-
+ STATIC_ASSERT(unsigned(GLSL_INTERFACE_PACKING_STD430)
+ == unsigned(ubo_packing_std430));
hash_table_foreach (block_hash, entry) {
const struct link_uniform_block_active *const b =
blocks[i].UniformBufferSize = parcel.buffer_size;
+ /* Check SSBO size is lower than maximum supported size for SSBO */
+ if (b->is_shader_storage &&
+ parcel.buffer_size > ctx->Const.MaxShaderStorageBlockSize) {
+ linker_error(prog, "shader storage block `%s' has size %d, "
+ "which is larger than than the maximum allowed (%d)",
+ block_type->name,
+ parcel.buffer_size,
+ ctx->Const.MaxShaderStorageBlockSize);
+ }
blocks[i].NumUniforms =
(unsigned)(ptrdiff_t)(&variables[parcel.index] - blocks[i].Uniforms);
+ blocks[i].IsShaderStorage = b->is_shader_storage;
+
i++;
}
} else {
blocks[i].UniformBufferSize = parcel.buffer_size;
+ /* Check SSBO size is lower than maximum supported size for SSBO */
+ if (b->is_shader_storage &&
+ parcel.buffer_size > ctx->Const.MaxShaderStorageBlockSize) {
+ linker_error(prog, "shader storage block `%s' has size %d, "
+ "which is larger than than the maximum allowed (%d)",
+ block_type->name,
+ parcel.buffer_size,
+ ctx->Const.MaxShaderStorageBlockSize);
+ }
blocks[i].NumUniforms =
(unsigned)(ptrdiff_t)(&variables[parcel.index] - blocks[i].Uniforms);
+ blocks[i].IsShaderStorage = b->is_shader_storage;
+
i++;
}
}
projects / mesa.git / blobdiff