--- /dev/null
+//
+// Copyright 2012 Francisco Jerez
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+//
+
+#include <unistd.h>
+#include "core/device.hpp"
+#include "core/platform.hpp"
+#include "pipe/p_screen.h"
+#include "pipe/p_state.h"
+#include "util/bitscan.h"
+#include "util/u_debug.h"
+
+using namespace clover;
+
+namespace {
+ template<typename T>
+ std::vector<T>
+ get_compute_param(pipe_screen *pipe, pipe_shader_ir ir_format,
+ pipe_compute_cap cap) {
+ int sz = pipe->get_compute_param(pipe, ir_format, cap, NULL);
+ std::vector<T> v(sz / sizeof(T));
+
+ pipe->get_compute_param(pipe, ir_format, cap, &v.front());
+ return v;
+ }
+}
+
+device::device(clover::platform &platform, pipe_loader_device *ldev) :
+ platform(platform), ldev(ldev) {
+ pipe = pipe_loader_create_screen(ldev);
+ if (pipe && pipe->get_param(pipe, PIPE_CAP_COMPUTE)) {
+ if (supports_ir(PIPE_SHADER_IR_NATIVE))
+ return;
+#ifdef HAVE_CLOVER_SPIRV
+ if (supports_ir(PIPE_SHADER_IR_NIR_SERIALIZED))
+ return;
+#endif
+ }
+ if (pipe)
+ pipe->destroy(pipe);
+ throw error(CL_INVALID_DEVICE);
+}
+
+device::~device() {
+ if (pipe)
+ pipe->destroy(pipe);
+ if (ldev)
+ pipe_loader_release(&ldev, 1);
+}
+
+bool
+device::operator==(const device &dev) const {
+ return this == &dev;
+}
+
+cl_device_type
+device::type() const {
+ switch (ldev->type) {
+ case PIPE_LOADER_DEVICE_SOFTWARE:
+ return CL_DEVICE_TYPE_CPU;
+ case PIPE_LOADER_DEVICE_PCI:
+ case PIPE_LOADER_DEVICE_PLATFORM:
+ return CL_DEVICE_TYPE_GPU;
+ default:
+ unreachable("Unknown device type.");
+ }
+}
+
+cl_uint
+device::vendor_id() const {
+ switch (ldev->type) {
+ case PIPE_LOADER_DEVICE_SOFTWARE:
+ case PIPE_LOADER_DEVICE_PLATFORM:
+ return 0;
+ case PIPE_LOADER_DEVICE_PCI:
+ return ldev->u.pci.vendor_id;
+ default:
+ unreachable("Unknown device type.");
+ }
+}
+
+size_t
+device::max_images_read() const {
+ return PIPE_MAX_SHADER_IMAGES;
+}
+
+size_t
+device::max_images_write() const {
+ return PIPE_MAX_SHADER_IMAGES;
+}
+
+size_t
+device::max_image_buffer_size() const {
+ return pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE);
+}
+
+cl_uint
+device::max_image_levels_2d() const {
+ return util_last_bit(pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_2D_SIZE));
+}
+
+cl_uint
+device::max_image_levels_3d() const {
+ return pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_3D_LEVELS);
+}
+
+size_t
+device::max_image_array_number() const {
+ return pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS);
+}
+
+cl_uint
+device::max_samplers() const {
+ return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE,
+ PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS);
+}
+
+cl_ulong
+device::max_mem_global() const {
+ return get_compute_param<uint64_t>(pipe, ir_format(),
+ PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE)[0];
+}
+
+cl_ulong
+device::max_mem_local() const {
+ return get_compute_param<uint64_t>(pipe, ir_format(),
+ PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE)[0];
+}
+
+cl_ulong
+device::max_mem_input() const {
+ return get_compute_param<uint64_t>(pipe, ir_format(),
+ PIPE_COMPUTE_CAP_MAX_INPUT_SIZE)[0];
+}
+
+cl_ulong
+device::max_const_buffer_size() const {
+ return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE,
+ PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE);
+}
+
+cl_uint
+device::max_const_buffers() const {
+ return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE,
+ PIPE_SHADER_CAP_MAX_CONST_BUFFERS);
+}
+
+size_t
+device::max_threads_per_block() const {
+ return get_compute_param<uint64_t>(
+ pipe, ir_format(), PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK)[0];
+}
+
+cl_ulong
+device::max_mem_alloc_size() const {
+ return get_compute_param<uint64_t>(pipe, ir_format(),
+ PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE)[0];
+}
+
+cl_uint
+device::max_clock_frequency() const {
+ return get_compute_param<uint32_t>(pipe, ir_format(),
+ PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY)[0];
+}
+
+cl_uint
+device::max_compute_units() const {
+ return get_compute_param<uint32_t>(pipe, ir_format(),
+ PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS)[0];
+}
+
+bool
+device::image_support() const {
+ return get_compute_param<uint32_t>(pipe, ir_format(),
+ PIPE_COMPUTE_CAP_IMAGES_SUPPORTED)[0];
+}
+
+bool
+device::has_doubles() const {
+ return pipe->get_param(pipe, PIPE_CAP_DOUBLES);
+}
+
+bool
+device::has_halves() const {
+ return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE,
+ PIPE_SHADER_CAP_FP16);
+}
+
+bool
+device::has_int64_atomics() const {
+ return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE,
+ PIPE_SHADER_CAP_INT64_ATOMICS);
+}
+
+bool
+device::has_unified_memory() const {
+ return pipe->get_param(pipe, PIPE_CAP_UMA);
+}
+
+cl_uint
+device::mem_base_addr_align() const {
+ return sysconf(_SC_PAGESIZE);
+}
+
+cl_device_svm_capabilities
+device::svm_support() const {
+ // Without CAP_RESOURCE_FROM_USER_MEMORY SVM and CL_MEM_USE_HOST_PTR
+ // interactions won't work according to spec as clover manages a GPU side
+ // copy of the host data.
+ //
+ // The biggest problem are memory buffers created with CL_MEM_USE_HOST_PTR,
+ // but the application and/or the kernel updates the memory via SVM and not
+ // the cl_mem buffer.
+ // We can't even do proper tracking on what memory might have been accessed
+ // as the host ptr to the buffer could be within a SVM region, where through
+ // the CL API there is no reliable way of knowing if a certain cl_mem buffer
+ // was accessed by a kernel or not and the runtime can't reliably know from
+ // which side the GPU buffer content needs to be updated.
+ //
+ // Another unsolvable scenario is a cl_mem object passed by cl_mem reference
+ // and SVM pointer into the same kernel at the same time.
+ if (pipe->get_param(pipe, PIPE_CAP_RESOURCE_FROM_USER_MEMORY) &&
+ pipe->get_param(pipe, PIPE_CAP_SYSTEM_SVM))
+ // we can emulate all lower levels if we support fine grain system
+ return CL_DEVICE_SVM_FINE_GRAIN_SYSTEM |
+ CL_DEVICE_SVM_COARSE_GRAIN_BUFFER |
+ CL_DEVICE_SVM_FINE_GRAIN_BUFFER;
+ return 0;
+}
+
+std::vector<size_t>
+device::max_block_size() const {
+ auto v = get_compute_param<uint64_t>(pipe, ir_format(),
+ PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE);
+ return { v.begin(), v.end() };
+}
+
+cl_uint
+device::subgroup_size() const {
+ return get_compute_param<uint32_t>(pipe, ir_format(),
+ PIPE_COMPUTE_CAP_SUBGROUP_SIZE)[0];
+}
+
+cl_uint
+device::address_bits() const {
+ return get_compute_param<uint32_t>(pipe, ir_format(),
+ PIPE_COMPUTE_CAP_ADDRESS_BITS)[0];
+}
+
+std::string
+device::device_name() const {
+ return pipe->get_name(pipe);
+}
+
+std::string
+device::vendor_name() const {
+ return pipe->get_device_vendor(pipe);
+}
+
+enum pipe_shader_ir
+device::ir_format() const {
+ if (supports_ir(PIPE_SHADER_IR_NATIVE))
+ return PIPE_SHADER_IR_NATIVE;
+
+ assert(supports_ir(PIPE_SHADER_IR_NIR_SERIALIZED));
+ return PIPE_SHADER_IR_NIR_SERIALIZED;
+}
+
+std::string
+device::ir_target() const {
+ std::vector<char> target = get_compute_param<char>(
+ pipe, ir_format(), PIPE_COMPUTE_CAP_IR_TARGET);
+ return { target.data() };
+}
+
+enum pipe_endian
+device::endianness() const {
+ return (enum pipe_endian)pipe->get_param(pipe, PIPE_CAP_ENDIANNESS);
+}
+
+std::string
+device::device_version() const {
+ static const std::string device_version =
+ debug_get_option("CLOVER_DEVICE_VERSION_OVERRIDE", "1.1");
+ return device_version;
+}
+
+std::string
+device::device_clc_version() const {
+ static const std::string device_clc_version =
+ debug_get_option("CLOVER_DEVICE_CLC_VERSION_OVERRIDE", "1.1");
+ return device_clc_version;
+}
+
+bool
+device::supports_ir(enum pipe_shader_ir ir) const {
+ return pipe->get_shader_param(pipe, PIPE_SHADER_COMPUTE,
+ PIPE_SHADER_CAP_SUPPORTED_IRS) & (1 << ir);
+}
+
+std::string
+device::supported_extensions() const {
+ return
+ "cl_khr_byte_addressable_store"
+ " cl_khr_global_int32_base_atomics"
+ " cl_khr_global_int32_extended_atomics"
+ " cl_khr_local_int32_base_atomics"
+ " cl_khr_local_int32_extended_atomics"
+ + std::string(has_int64_atomics() ? " cl_khr_int64_base_atomics" : "")
+ + std::string(has_int64_atomics() ? " cl_khr_int64_extended_atomics" : "")
+ + std::string(has_doubles() ? " cl_khr_fp64" : "")
+ + std::string(has_halves() ? " cl_khr_fp16" : "")
+ + std::string(svm_support() ? " cl_arm_shared_virtual_memory" : "");
+}
+
+const void *
+device::get_compiler_options(enum pipe_shader_ir ir) const {
+ return pipe->get_compiler_options(pipe, ir, PIPE_SHADER_COMPUTE);
+}
projects / mesa.git / blobdiff