diff options
Diffstat (limited to 'src/glsl/nir/nir_intrinsics.h')
| -rw-r--r-- | src/glsl/nir/nir_intrinsics.h | 367 |
1 files changed, 0 insertions, 367 deletions
diff --git a/src/glsl/nir/nir_intrinsics.h b/src/glsl/nir/nir_intrinsics.h deleted file mode 100644 index 3e7cf735a1b..00000000000 --- a/src/glsl/nir/nir_intrinsics.h +++ /dev/null @@ -1,367 +0,0 @@ -/* - * Copyright © 2014 Intel Corporation - * - * 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 (including the next - * paragraph) 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. - * - * Authors: - * Connor Abbott ([email protected]) - * - */ - -/** - * This header file defines all the available intrinsics in one place. It - * expands to a list of macros of the form: - * - * INTRINSIC(name, num_srcs, src_components, has_dest, dest_components, - * num_variables, num_indices, flags) - * - * Which should correspond one-to-one with the nir_intrinsic_info structure. It - * is included in both ir.h to create the nir_intrinsic enum (with members of - * the form nir_intrinsic_(name)) and and in opcodes.c to create - * nir_intrinsic_infos, which is a const array of nir_intrinsic_info structures - * for each intrinsic. - */ - -#define ARR(...) { __VA_ARGS__ } - - -INTRINSIC(load_var, 0, ARR(), true, 0, 1, 0, NIR_INTRINSIC_CAN_ELIMINATE) -INTRINSIC(store_var, 1, ARR(0), false, 0, 1, 1, 0) -INTRINSIC(copy_var, 0, ARR(), false, 0, 2, 0, 0) - -/* - * Interpolation of input. The interp_var_at* intrinsics are similar to the - * load_var intrinsic acting an a shader input except that they interpolate - * the input differently. The at_sample and at_offset intrinsics take an - * aditional source that is a integer sample id or a vec2 position offset - * respectively. - */ - -INTRINSIC(interp_var_at_centroid, 0, ARR(0), true, 0, 1, 0, - NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) -INTRINSIC(interp_var_at_sample, 1, ARR(1), true, 0, 1, 0, - NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) -INTRINSIC(interp_var_at_offset, 1, ARR(2), true, 0, 1, 0, - NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) - -/* - * Ask the driver for the size of a given buffer. It takes the buffer index - * as source. - */ -INTRINSIC(get_buffer_size, 1, ARR(1), true, 1, 0, 0, - NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) - -/* - * a barrier is an intrinsic with no inputs/outputs but which can't be moved - * around/optimized in general - */ -#define BARRIER(name) INTRINSIC(name, 0, ARR(), false, 0, 0, 0, 0) - -BARRIER(barrier) -BARRIER(discard) - -/* - * Memory barrier with semantics analogous to the memoryBarrier() GLSL - * intrinsic. - */ -BARRIER(memory_barrier) - -/* - * Shader clock intrinsic with semantics analogous to the clock2x32ARB() - * GLSL intrinsic. - * The latter can be used as code motion barrier, which is currently not - * feasible with NIR. - */ -INTRINSIC(shader_clock, 0, ARR(), true, 1, 0, 0, NIR_INTRINSIC_CAN_ELIMINATE) - -/* - * Memory barrier with semantics analogous to the compute shader - * groupMemoryBarrier(), memoryBarrierAtomicCounter(), memoryBarrierBuffer(), - * memoryBarrierImage() and memoryBarrierShared() GLSL intrinsics. - */ -BARRIER(group_memory_barrier) -BARRIER(memory_barrier_atomic_counter) -BARRIER(memory_barrier_buffer) -BARRIER(memory_barrier_image) -BARRIER(memory_barrier_shared) - -/** A conditional discard, with a single boolean source. */ -INTRINSIC(discard_if, 1, ARR(1), false, 0, 0, 0, 0) - -/** - * Basic Geometry Shader intrinsics. - * - * emit_vertex implements GLSL's EmitStreamVertex() built-in. It takes a single - * index, which is the stream ID to write to. - * - * end_primitive implements GLSL's EndPrimitive() built-in. - */ -INTRINSIC(emit_vertex, 0, ARR(), false, 0, 0, 1, 0) -INTRINSIC(end_primitive, 0, ARR(), false, 0, 0, 1, 0) - -/** - * Geometry Shader intrinsics with a vertex count. - * - * Alternatively, drivers may implement these intrinsics, and use - * nir_lower_gs_intrinsics() to convert from the basic intrinsics. - * - * These maintain a count of the number of vertices emitted, as an additional - * unsigned integer source. - */ -INTRINSIC(emit_vertex_with_counter, 1, ARR(1), false, 0, 0, 1, 0) -INTRINSIC(end_primitive_with_counter, 1, ARR(1), false, 0, 0, 1, 0) -INTRINSIC(set_vertex_count, 1, ARR(1), false, 0, 0, 0, 0) - -/* - * Atomic counters - * - * The *_var variants take an atomic_uint nir_variable, while the other, - * lowered, variants take a constant buffer index and register offset. - */ - -#define ATOMIC(name, flags) \ - INTRINSIC(atomic_counter_##name##_var, 0, ARR(), true, 1, 1, 0, flags) \ - INTRINSIC(atomic_counter_##name, 1, ARR(1), true, 1, 0, 1, flags) - -ATOMIC(inc, 0) -ATOMIC(dec, 0) -ATOMIC(read, NIR_INTRINSIC_CAN_ELIMINATE) - -/* - * Image load, store and atomic intrinsics. - * - * All image intrinsics take an image target passed as a nir_variable. Image - * variables contain a number of memory and layout qualifiers that influence - * the semantics of the intrinsic. - * - * All image intrinsics take a four-coordinate vector and a sample index as - * first two sources, determining the location within the image that will be - * accessed by the intrinsic. Components not applicable to the image target - * in use are undefined. Image store takes an additional four-component - * argument with the value to be written, and image atomic operations take - * either one or two additional scalar arguments with the same meaning as in - * the ARB_shader_image_load_store specification. - */ -INTRINSIC(image_load, 2, ARR(4, 1), true, 4, 1, 0, - NIR_INTRINSIC_CAN_ELIMINATE) -INTRINSIC(image_store, 3, ARR(4, 1, 4), false, 0, 1, 0, 0) -INTRINSIC(image_atomic_add, 3, ARR(4, 1, 1), true, 1, 1, 0, 0) -INTRINSIC(image_atomic_min, 3, ARR(4, 1, 1), true, 1, 1, 0, 0) -INTRINSIC(image_atomic_max, 3, ARR(4, 1, 1), true, 1, 1, 0, 0) -INTRINSIC(image_atomic_and, 3, ARR(4, 1, 1), true, 1, 1, 0, 0) -INTRINSIC(image_atomic_or, 3, ARR(4, 1, 1), true, 1, 1, 0, 0) -INTRINSIC(image_atomic_xor, 3, ARR(4, 1, 1), true, 1, 1, 0, 0) -INTRINSIC(image_atomic_exchange, 3, ARR(4, 1, 1), true, 1, 1, 0, 0) -INTRINSIC(image_atomic_comp_swap, 4, ARR(4, 1, 1, 1), true, 1, 1, 0, 0) -INTRINSIC(image_size, 0, ARR(), true, 4, 1, 0, - NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) -INTRINSIC(image_samples, 0, ARR(), true, 1, 1, 0, - NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) - -/* - * Vulkan descriptor set intrinsic - * - * The Vulkan API uses a different binding model from GL. In the Vulkan - * API, all external resources are represented by a tripple: - * - * (descriptor set, binding, array index) - * - * where the array index is the only thing allowed to be indirect. The - * vulkan_surface_index intrinsic takes the descriptor set and binding as - * its first two indices and the array index as its source. The third - * index is a nir_variable_mode in case that's useful to the backend. - * - * The intended usage is that the shader will call vulkan_surface_index to - * get an index and then pass that as the buffer index ubo/ssbo calls. - */ -INTRINSIC(vulkan_resource_index, 1, ARR(1), true, 1, 0, 3, - NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) - -/* - * variable atomic intrinsics - * - * All of these variable atomic memory operations read a value from memory, - * compute a new value using one of the operations below, write the new value - * to memory, and return the original value read. - * - * All operations take 1 source except CompSwap that takes 2. These sources - * represent: - * - * 0: The data parameter to the atomic function (i.e. the value to add - * in shared_atomic_add, etc). - * 1: For CompSwap only: the second data parameter. - * - * All operations take 1 variable deref. - */ -INTRINSIC(var_atomic_add, 1, ARR(1), true, 1, 1, 0, 0) -INTRINSIC(var_atomic_imin, 1, ARR(1), true, 1, 1, 0, 0) -INTRINSIC(var_atomic_umin, 1, ARR(1), true, 1, 1, 0, 0) -INTRINSIC(var_atomic_imax, 1, ARR(1), true, 1, 1, 0, 0) -INTRINSIC(var_atomic_umax, 1, ARR(1), true, 1, 1, 0, 0) -INTRINSIC(var_atomic_and, 1, ARR(1), true, 1, 1, 0, 0) -INTRINSIC(var_atomic_or, 1, ARR(1), true, 1, 1, 0, 0) -INTRINSIC(var_atomic_xor, 1, ARR(1), true, 1, 1, 0, 0) -INTRINSIC(var_atomic_exchange, 1, ARR(1), true, 1, 1, 0, 0) -INTRINSIC(var_atomic_comp_swap, 2, ARR(1, 1), true, 1, 1, 0, 0) - -/* - * SSBO atomic intrinsics - * - * All of the SSBO atomic memory operations read a value from memory, - * compute a new value using one of the operations below, write the new - * value to memory, and return the original value read. - * - * All operations take 3 sources except CompSwap that takes 4. These - * sources represent: - * - * 0: The SSBO buffer index. - * 1: The offset into the SSBO buffer of the variable that the atomic - * operation will operate on. - * 2: The data parameter to the atomic function (i.e. the value to add - * in ssbo_atomic_add, etc). - * 3: For CompSwap only: the second data parameter. - */ -INTRINSIC(ssbo_atomic_add, 3, ARR(1, 1, 1), true, 1, 0, 0, 0) -INTRINSIC(ssbo_atomic_imin, 3, ARR(1, 1, 1), true, 1, 0, 0, 0) -INTRINSIC(ssbo_atomic_umin, 3, ARR(1, 1, 1), true, 1, 0, 0, 0) -INTRINSIC(ssbo_atomic_imax, 3, ARR(1, 1, 1), true, 1, 0, 0, 0) -INTRINSIC(ssbo_atomic_umax, 3, ARR(1, 1, 1), true, 1, 0, 0, 0) -INTRINSIC(ssbo_atomic_and, 3, ARR(1, 1, 1), true, 1, 0, 0, 0) -INTRINSIC(ssbo_atomic_or, 3, ARR(1, 1, 1), true, 1, 0, 0, 0) -INTRINSIC(ssbo_atomic_xor, 3, ARR(1, 1, 1), true, 1, 0, 0, 0) -INTRINSIC(ssbo_atomic_exchange, 3, ARR(1, 1, 1), true, 1, 0, 0, 0) -INTRINSIC(ssbo_atomic_comp_swap, 4, ARR(1, 1, 1, 1), true, 1, 0, 0, 0) - -/* - * CS shared variable atomic intrinsics - * - * All of the shared variable atomic memory operations read a value from - * memory, compute a new value using one of the operations below, write the - * new value to memory, and return the original value read. - * - * All operations take 2 sources except CompSwap that takes 3. These - * sources represent: - * - * 0: The offset into the shared variable storage region that the atomic - * operation will operate on. - * 1: The data parameter to the atomic function (i.e. the value to add - * in shared_atomic_add, etc). - * 2: For CompSwap only: the second data parameter. - */ -INTRINSIC(shared_atomic_add, 2, ARR(1, 1), true, 1, 0, 0, 0) -INTRINSIC(shared_atomic_imin, 2, ARR(1, 1), true, 1, 0, 0, 0) -INTRINSIC(shared_atomic_umin, 2, ARR(1, 1), true, 1, 0, 0, 0) -INTRINSIC(shared_atomic_imax, 2, ARR(1, 1), true, 1, 0, 0, 0) -INTRINSIC(shared_atomic_umax, 2, ARR(1, 1), true, 1, 0, 0, 0) -INTRINSIC(shared_atomic_and, 2, ARR(1, 1), true, 1, 0, 0, 0) -INTRINSIC(shared_atomic_or, 2, ARR(1, 1), true, 1, 0, 0, 0) -INTRINSIC(shared_atomic_xor, 2, ARR(1, 1), true, 1, 0, 0, 0) -INTRINSIC(shared_atomic_exchange, 2, ARR(1, 1), true, 1, 0, 0, 0) -INTRINSIC(shared_atomic_comp_swap, 3, ARR(1, 1, 1), true, 1, 0, 0, 0) - -#define SYSTEM_VALUE(name, components, num_indices) \ - INTRINSIC(load_##name, 0, ARR(), true, components, 0, num_indices, \ - NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) - -SYSTEM_VALUE(front_face, 1, 0) -SYSTEM_VALUE(vertex_id, 1, 0) -SYSTEM_VALUE(vertex_id_zero_base, 1, 0) -SYSTEM_VALUE(base_vertex, 1, 0) -SYSTEM_VALUE(instance_id, 1, 0) -SYSTEM_VALUE(base_instance, 1, 0) -SYSTEM_VALUE(draw_id, 1, 0) -SYSTEM_VALUE(sample_id, 1, 0) -SYSTEM_VALUE(sample_pos, 2, 0) -SYSTEM_VALUE(sample_mask_in, 1, 0) -SYSTEM_VALUE(primitive_id, 1, 0) -SYSTEM_VALUE(invocation_id, 1, 0) -SYSTEM_VALUE(tess_coord, 3, 0) -SYSTEM_VALUE(tess_level_outer, 4, 0) -SYSTEM_VALUE(tess_level_inner, 2, 0) -SYSTEM_VALUE(patch_vertices_in, 1, 0) -SYSTEM_VALUE(local_invocation_id, 3, 0) -SYSTEM_VALUE(work_group_id, 3, 0) -SYSTEM_VALUE(user_clip_plane, 4, 1) /* const_index[0] is user_clip_plane[idx] */ -SYSTEM_VALUE(num_work_groups, 3, 0) -SYSTEM_VALUE(helper_invocation, 1, 0) - -/* - * Load operations pull data from some piece of GPU memory. All load - * operations operate in terms of offsets into some piece of theoretical - * memory. Loads from externally visible memory (UBO and SSBO) simply take a - * byte offset as a source. Loads from opaque memory (uniforms, inputs, etc.) - * take a base+offset pair where the base (const_index[0]) gives the location - * of the start of the variable being loaded and and the offset source is a - * offset into that variable. - * - * Uniform load operations have a second index that specifies the size of the - * variable being loaded. If const_index[1] == 0, then the size is unknown. - * - * Some load operations such as UBO/SSBO load and per_vertex loads take an - * additional source to specify which UBO/SSBO/vertex to load from. - * - * The exact address type depends on the lowering pass that generates the - * load/store intrinsics. Typically, this is vec4 units for things such as - * varying slots and float units for fragment shader inputs. UBO and SSBO - * offsets are always in bytes. - */ - -#define LOAD(name, srcs, indices, flags) \ - INTRINSIC(load_##name, srcs, ARR(1, 1, 1, 1), true, 0, 0, indices, flags) - -/* src[] = { offset }. const_index[] = { base, size } */ -LOAD(uniform, 1, 2, NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) -/* src[] = { buffer_index, offset }. No const_index */ -LOAD(ubo, 2, 0, NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) -/* src[] = { offset }. const_index[] = { base } */ -LOAD(input, 1, 1, NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) -/* src[] = { vertex, offset }. const_index[] = { base } */ -LOAD(per_vertex_input, 2, 1, NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) -/* src[] = { buffer_index, offset }. No const_index */ -LOAD(ssbo, 2, 0, NIR_INTRINSIC_CAN_ELIMINATE) -/* src[] = { offset }. const_index[] = { base } */ -LOAD(output, 1, 1, NIR_INTRINSIC_CAN_ELIMINATE) -/* src[] = { vertex, offset }. const_index[] = { base } */ -LOAD(per_vertex_output, 2, 1, NIR_INTRINSIC_CAN_ELIMINATE) -/* src[] = { offset }. const_index[] = { base } */ -LOAD(shared, 1, 1, NIR_INTRINSIC_CAN_ELIMINATE) -/* src[] = { offset }. const_index[] = { base, size } */ -LOAD(push_constant, 1, 2, NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) - -/* - * Stores work the same way as loads, except now the first source is the value - * to store and the second (and possibly third) source specify where to store - * the value. SSBO and shared memory stores also have a write mask as - * const_index[0]. - */ - -#define STORE(name, srcs, indices, flags) \ - INTRINSIC(store_##name, srcs, ARR(0, 1, 1, 1), false, 0, 0, indices, flags) - -/* src[] = { value, offset }. const_index[] = { base, write_mask } */ -STORE(output, 2, 2, 0) -/* src[] = { value, vertex, offset }. const_index[] = { base, write_mask } */ -STORE(per_vertex_output, 3, 2, 0) -/* src[] = { value, block_index, offset }. const_index[] = { write_mask } */ -STORE(ssbo, 3, 1, 0) -/* src[] = { value, offset }. const_index[] = { base, write_mask } */ -STORE(shared, 2, 2, 0) - -LAST_INTRINSIC(store_shared) |