mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2026-01-23 08:20:25 +01:00
lavapipe: add support for VK_KHR_cooperative_matrix.
This adds support for cooperative matrix to lavapipe. It uses 8x8 matricies as the size, and loads the first row of 8 values into a the subgroup. It stores the B matrix transposed to make the matmul operation a lot more subgroup friendly. Reviewed-by: Georg Lehmann <dadschoorse@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38935>
This commit is contained in:
parent
a11aa3fc4e
commit
475ec2ade3
5 changed files with 583 additions and 2 deletions
|
|
@ -74,6 +74,13 @@
|
|||
#define LVP_SAMPLE_COUNTS (VK_SAMPLE_COUNT_1_BIT | VK_SAMPLE_COUNT_4_BIT | \
|
||||
VK_SAMPLE_COUNT_8_BIT)
|
||||
|
||||
extern unsigned lp_native_vector_width;
|
||||
|
||||
static bool has_cooperative_matrix(void) {
|
||||
/* only support coopmat if we have 8 wide */
|
||||
return (lp_native_vector_width / 32) >= 8;
|
||||
}
|
||||
|
||||
VKAPI_ATTR VkResult VKAPI_CALL lvp_EnumerateInstanceVersion(uint32_t* pApiVersion)
|
||||
{
|
||||
*pApiVersion = LVP_API_VERSION;
|
||||
|
|
@ -124,6 +131,7 @@ static const struct vk_device_extension_table lvp_device_extensions_supported =
|
|||
.KHR_buffer_device_address = true,
|
||||
.KHR_create_renderpass2 = true,
|
||||
.KHR_compute_shader_derivatives = true,
|
||||
.KHR_cooperative_matrix = true,
|
||||
.KHR_copy_commands2 = true,
|
||||
.KHR_copy_memory_indirect = true,
|
||||
.KHR_dedicated_allocation = true,
|
||||
|
|
@ -857,11 +865,13 @@ lvp_get_features(const struct lvp_physical_device *pdevice,
|
|||
/* VK_KHR_unified_image_layouts */
|
||||
.unifiedImageLayouts = true,
|
||||
.unifiedImageLayoutsVideo = true,
|
||||
|
||||
/* VK_KHR_cooperative_matrix */
|
||||
.cooperativeMatrix = has_cooperative_matrix(),
|
||||
.cooperativeMatrixRobustBufferAccess = has_cooperative_matrix(),
|
||||
};
|
||||
}
|
||||
|
||||
extern unsigned lp_native_vector_width;
|
||||
|
||||
static VkImageLayout lvp_host_copy_image_layouts[] = {
|
||||
VK_IMAGE_LAYOUT_GENERAL,
|
||||
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
|
||||
|
|
@ -1369,6 +1379,10 @@ lvp_get_properties(const struct lvp_physical_device *device, struct vk_propertie
|
|||
/* VK_EXT_mesh_shader */
|
||||
p->maxMeshPayloadAndSharedMemorySize = p->maxTaskPayloadSize + p->maxMeshSharedMemorySize; /* 28K min required */
|
||||
p->maxMeshPayloadAndOutputMemorySize = p->maxTaskPayloadSize + p->maxMeshOutputMemorySize; /* 47K min required */
|
||||
|
||||
/* VK_KHR_cooperative_matrix */
|
||||
p->cooperativeMatrixSupportedStages = VK_SHADER_STAGE_COMPUTE_BIT;
|
||||
|
||||
}
|
||||
|
||||
static VkResult VKAPI_CALL
|
||||
|
|
@ -2863,3 +2877,61 @@ VKAPI_ATTR void VKAPI_CALL lvp_GetRenderingAreaGranularityKHR(
|
|||
VkExtent2D tile_size = {64, 64};
|
||||
*pGranularity = tile_size;
|
||||
}
|
||||
|
||||
VKAPI_ATTR VkResult VKAPI_CALL lvp_GetPhysicalDeviceCooperativeMatrixPropertiesKHR(
|
||||
VkPhysicalDevice physicalDevice,
|
||||
uint32_t *pPropertyCount,
|
||||
VkCooperativeMatrixPropertiesKHR *pProperties)
|
||||
{
|
||||
VK_OUTARRAY_MAKE_TYPED(VkCooperativeMatrixPropertiesKHR, out, pProperties, pPropertyCount);
|
||||
|
||||
for (unsigned fp32 = 0; fp32 < 2; fp32++) {
|
||||
vk_outarray_append_typed(VkCooperativeMatrixPropertiesKHR, &out, p)
|
||||
{
|
||||
*p = (struct VkCooperativeMatrixPropertiesKHR){
|
||||
.sType = VK_STRUCTURE_TYPE_COOPERATIVE_MATRIX_PROPERTIES_KHR,
|
||||
.MSize = 8,
|
||||
.NSize = 8,
|
||||
.KSize = 8,
|
||||
.AType = VK_COMPONENT_TYPE_FLOAT16_KHR,
|
||||
.BType = VK_COMPONENT_TYPE_FLOAT16_KHR,
|
||||
.CType = fp32 == 1 ? VK_COMPONENT_TYPE_FLOAT32_KHR : VK_COMPONENT_TYPE_FLOAT16_KHR,
|
||||
.ResultType = fp32 == 1 ? VK_COMPONENT_TYPE_FLOAT32_KHR : VK_COMPONENT_TYPE_FLOAT16_KHR,
|
||||
.saturatingAccumulation = false,
|
||||
.scope = VK_SCOPE_SUBGROUP_KHR
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
vk_outarray_append_typed(VkCooperativeMatrixPropertiesKHR, &out, p)
|
||||
{
|
||||
*p = (struct VkCooperativeMatrixPropertiesKHR){
|
||||
.sType = VK_STRUCTURE_TYPE_COOPERATIVE_MATRIX_PROPERTIES_KHR,
|
||||
.MSize = 8,
|
||||
.NSize = 8,
|
||||
.KSize = 8,
|
||||
.AType = VK_COMPONENT_TYPE_UINT8_KHR,
|
||||
.BType = VK_COMPONENT_TYPE_UINT8_KHR,
|
||||
.CType = VK_COMPONENT_TYPE_UINT32_KHR,
|
||||
.ResultType = VK_COMPONENT_TYPE_UINT32_KHR,
|
||||
.saturatingAccumulation = false,
|
||||
.scope = VK_SCOPE_SUBGROUP_KHR
|
||||
};
|
||||
}
|
||||
vk_outarray_append_typed(VkCooperativeMatrixPropertiesKHR, &out, p)
|
||||
{
|
||||
*p = (struct VkCooperativeMatrixPropertiesKHR){
|
||||
.sType = VK_STRUCTURE_TYPE_COOPERATIVE_MATRIX_PROPERTIES_KHR,
|
||||
.MSize = 8,
|
||||
.NSize = 8,
|
||||
.KSize = 8,
|
||||
.AType = VK_COMPONENT_TYPE_SINT8_KHR,
|
||||
.BType = VK_COMPONENT_TYPE_SINT8_KHR,
|
||||
.CType = VK_COMPONENT_TYPE_SINT32_KHR,
|
||||
.ResultType = VK_COMPONENT_TYPE_SINT32_KHR,
|
||||
.saturatingAccumulation = false,
|
||||
.scope = VK_SCOPE_SUBGROUP_KHR
|
||||
};
|
||||
}
|
||||
return vk_outarray_status(&out);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -347,6 +347,8 @@ lvp_shader_lower(struct lvp_device *pdevice, nir_shader *nir, struct lvp_pipelin
|
|||
NIR_PASS(_, nir, nir_lower_system_values);
|
||||
NIR_PASS(_, nir, nir_lower_is_helper_invocation);
|
||||
|
||||
NIR_PASS(_, nir, lvp_nir_lower_cooperative_matrix);
|
||||
|
||||
const struct nir_lower_compute_system_values_options compute_system_values = {0};
|
||||
NIR_PASS(_, nir, nir_lower_compute_system_values, &compute_system_values);
|
||||
|
||||
|
|
|
|||
|
|
@ -12,6 +12,7 @@ lvp_entrypoints = custom_target(
|
|||
)
|
||||
|
||||
liblvp_files = files(
|
||||
'nir/lvp_nir_lower_cooperative_matrix.c',
|
||||
'nir/lvp_nir_lower_exec_graph.c',
|
||||
'nir/lvp_nir_lower_input_attachments.c',
|
||||
'nir/lvp_nir_lower_pipeline_layout.c',
|
||||
|
|
|
|||
|
|
@ -121,4 +121,6 @@ bool lvp_nir_lower_sparse_residency(struct nir_shader *shader);
|
|||
bool lvp_nir_opt_robustness(struct nir_shader *shader, struct lvp_device *device,
|
||||
struct vk_pipeline_robustness_state *robustness);
|
||||
|
||||
bool lvp_nir_lower_cooperative_matrix(nir_shader *shader);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -0,0 +1,504 @@
|
|||
/*
|
||||
* Copyright © 2025 Red Hat
|
||||
*
|
||||
* SPDX-License-Identifier: MIT
|
||||
*/
|
||||
#include "lvp_nir.h"
|
||||
|
||||
extern unsigned lp_native_vector_width;
|
||||
|
||||
#define MAX_CMAT_LEN 16
|
||||
#define CMAT_LEN (lp_native_vector_width / 32)
|
||||
|
||||
/* This pass lowers cooperative matrix.
|
||||
*
|
||||
* for lavapipe we advertise 8x8 matrix.
|
||||
* This means we can store vec8[8] and get the backend to do the right thing.
|
||||
*/
|
||||
static unsigned
|
||||
get_cmat_size(struct glsl_cmat_description matrix_desc)
|
||||
{
|
||||
return matrix_desc.cols * matrix_desc.rows;
|
||||
}
|
||||
|
||||
static unsigned
|
||||
get_cmat_length(struct glsl_cmat_description matrix_desc)
|
||||
{
|
||||
return get_cmat_size(matrix_desc) / CMAT_LEN;
|
||||
}
|
||||
|
||||
static const struct glsl_type *
|
||||
remap_matrix_type(struct hash_table *mapping, const struct glsl_type *orig)
|
||||
{
|
||||
struct hash_entry *entry = _mesa_hash_table_search(mapping, orig);
|
||||
|
||||
if (entry)
|
||||
return entry->data;
|
||||
|
||||
const struct glsl_type *new_type = orig;
|
||||
|
||||
if (glsl_type_is_cmat(orig)) {
|
||||
struct glsl_cmat_description matrix_desc =
|
||||
*glsl_get_cmat_description(orig);
|
||||
|
||||
new_type = glsl_vector_type(matrix_desc.element_type, get_cmat_length(matrix_desc));
|
||||
} else if (glsl_type_is_array(orig)) {
|
||||
const struct glsl_type *elem_type = glsl_get_array_element(orig);
|
||||
const struct glsl_type *new_elem_type =
|
||||
remap_matrix_type(mapping, elem_type);
|
||||
|
||||
if (elem_type != new_elem_type) {
|
||||
new_type = glsl_array_type(new_elem_type, glsl_get_length(orig),
|
||||
glsl_get_explicit_stride(orig));
|
||||
}
|
||||
}
|
||||
_mesa_hash_table_insert(mapping, orig, (void *)new_type);
|
||||
return new_type;
|
||||
}
|
||||
|
||||
static nir_def *
|
||||
load_cmat_deref(nir_builder *b, nir_deref_instr *src)
|
||||
{
|
||||
struct glsl_cmat_description matrix_desc =
|
||||
*glsl_get_cmat_description(src->type);
|
||||
|
||||
return nir_build_load_deref(
|
||||
b, get_cmat_length(matrix_desc),
|
||||
glsl_base_type_bit_size(matrix_desc.element_type), &src->def, 0);
|
||||
}
|
||||
|
||||
static ALWAYS_INLINE nir_def *
|
||||
load_cmat_src(nir_builder *b, nir_src src)
|
||||
{
|
||||
return load_cmat_deref(b, nir_src_as_deref(src));
|
||||
}
|
||||
|
||||
static ALWAYS_INLINE struct glsl_cmat_description
|
||||
cmat_src_desc(nir_src src)
|
||||
{
|
||||
nir_deref_instr *deref = nir_src_as_deref(src);
|
||||
return *glsl_get_cmat_description(deref->type);
|
||||
}
|
||||
|
||||
static void
|
||||
store_cmat_deref(nir_builder *b, nir_deref_instr *dst, nir_def *val)
|
||||
{
|
||||
ASSERTED struct glsl_cmat_description matrix_desc =
|
||||
*glsl_get_cmat_description(dst->type);
|
||||
|
||||
assert(val->bit_size == glsl_base_type_bit_size(matrix_desc.element_type));
|
||||
assert(val->num_components == get_cmat_length(matrix_desc));
|
||||
|
||||
nir_store_deref(b, dst, val, ~0);
|
||||
}
|
||||
|
||||
static ALWAYS_INLINE void
|
||||
store_cmat_src(nir_builder *b, nir_src dst_src, nir_def *val)
|
||||
{
|
||||
store_cmat_deref(b, nir_src_as_deref(dst_src), val);
|
||||
}
|
||||
|
||||
static bool
|
||||
lower_cmat_copy(nir_builder *b, nir_intrinsic_instr *intr)
|
||||
{
|
||||
nir_build_copy_deref(b, intr->src[0].ssa, intr->src[1].ssa);
|
||||
nir_instr_remove(&intr->instr);
|
||||
return true;
|
||||
}
|
||||
|
||||
static nir_def *
|
||||
convert_base_type(nir_builder *b, nir_def *src, enum glsl_base_type src_type, enum glsl_base_type dst_type)
|
||||
{
|
||||
if (dst_type == src_type)
|
||||
return src;
|
||||
|
||||
nir_op op = nir_type_conversion_op(nir_get_nir_type_for_glsl_base_type(src_type),
|
||||
nir_get_nir_type_for_glsl_base_type(dst_type), nir_rounding_mode_undef);
|
||||
|
||||
return nir_build_alu1(b, op, src);
|
||||
}
|
||||
|
||||
static bool
|
||||
lower_cmat_convert(nir_builder *b,
|
||||
nir_intrinsic_instr *intr)
|
||||
{
|
||||
struct glsl_cmat_description dst_desc = cmat_src_desc(intr->src[0]);
|
||||
struct glsl_cmat_description src_desc = cmat_src_desc(intr->src[1]);
|
||||
|
||||
enum glsl_base_type dst_element_type = dst_desc.element_type;
|
||||
enum glsl_base_type src_element_type = src_desc.element_type;
|
||||
nir_def *cmat = load_cmat_src(b, intr->src[1]);
|
||||
|
||||
nir_def *ret = convert_base_type(b, cmat, src_element_type, dst_element_type);
|
||||
store_cmat_src(b, intr->src[0], ret);
|
||||
nir_instr_remove(&intr->instr);
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool
|
||||
lower_cmat_load_store(nir_builder *b,
|
||||
struct hash_table *type_mapping,
|
||||
nir_intrinsic_instr *intr)
|
||||
{
|
||||
const bool is_load = intr->intrinsic == nir_intrinsic_cmat_load;
|
||||
const struct glsl_cmat_description desc = cmat_src_desc(intr->src[!is_load]);
|
||||
enum glsl_matrix_layout layout = nir_intrinsic_matrix_layout(intr);
|
||||
nir_deref_instr *cmat_deref = nir_src_as_deref(intr->src[!is_load]);
|
||||
nir_deref_instr *deref = nir_src_as_deref(intr->src[is_load]);
|
||||
nir_def *stride = intr->src[2].ssa;
|
||||
|
||||
nir_def *lane_id = nir_load_subgroup_invocation(b);
|
||||
unsigned type_size_B = glsl_base_type_bit_size(desc.element_type) / 8;
|
||||
const uint32_t ptr_stride = glsl_get_bit_size(deref->type) / 8 * glsl_get_vector_elements(deref->type);
|
||||
deref = nir_build_deref_cast(b, &deref->def, deref->modes, deref->type, ptr_stride);
|
||||
const struct glsl_type *cmat_type = remap_matrix_type(type_mapping, cmat_deref->type);
|
||||
cmat_deref = nir_build_deref_cast(b, &cmat_deref->def, cmat_deref->modes,
|
||||
cmat_type, 0);
|
||||
|
||||
/* store B matrix transposed */
|
||||
if (desc.use == GLSL_CMAT_USE_B)
|
||||
layout =
|
||||
layout == GLSL_MATRIX_LAYOUT_COLUMN_MAJOR ? GLSL_MATRIX_LAYOUT_ROW_MAJOR : GLSL_MATRIX_LAYOUT_COLUMN_MAJOR;
|
||||
|
||||
unsigned idx_bits = deref->def.bit_size;
|
||||
nir_def *vars[MAX_CMAT_LEN];
|
||||
|
||||
if (!is_load) {
|
||||
nir_def *src = load_cmat_src(b, intr->src[!is_load]);
|
||||
for (unsigned i = 0; i < CMAT_LEN; i++) {
|
||||
vars[i] = nir_channel(b, src, i);
|
||||
}
|
||||
}
|
||||
|
||||
for (unsigned i = 0; i < CMAT_LEN; i++) {
|
||||
nir_def *col_offset = lane_id;
|
||||
nir_def *row_offset = nir_imm_int(b, i);
|
||||
|
||||
if (layout == GLSL_MATRIX_LAYOUT_ROW_MAJOR) {
|
||||
SWAP(col_offset, row_offset);
|
||||
}
|
||||
|
||||
col_offset = nir_imul(b, col_offset, stride);
|
||||
col_offset = nir_u2uN(b, col_offset, idx_bits);
|
||||
row_offset = nir_u2uN(b, row_offset, idx_bits);
|
||||
|
||||
nir_deref_instr *iter_deref = nir_build_deref_ptr_as_array(b, deref, col_offset);
|
||||
|
||||
iter_deref = nir_build_deref_cast(b, &iter_deref->def,
|
||||
deref->modes,
|
||||
glsl_scalar_type(desc.element_type),
|
||||
type_size_B);
|
||||
iter_deref = nir_build_deref_ptr_as_array(b, iter_deref, row_offset);
|
||||
|
||||
if (is_load) {
|
||||
vars[i] = nir_load_deref(b, iter_deref);
|
||||
} else {
|
||||
nir_store_deref(b, iter_deref, vars[i], ~0);
|
||||
}
|
||||
}
|
||||
|
||||
if (is_load) {
|
||||
nir_def *mat = nir_vec(b, vars, CMAT_LEN);
|
||||
nir_store_deref(b, cmat_deref, mat, nir_component_mask(mat->num_components));
|
||||
}
|
||||
nir_instr_remove(&intr->instr);
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool
|
||||
lower_cmat_construct(nir_builder *b,
|
||||
nir_intrinsic_instr *intr)
|
||||
{
|
||||
nir_deref_instr *dst_deref = nir_src_as_deref(intr->src[0]);
|
||||
struct glsl_cmat_description desc = *glsl_get_cmat_description(dst_deref->type);
|
||||
nir_def *elem = intr->src[1].ssa;
|
||||
|
||||
nir_def *r = nir_replicate(b, elem, get_cmat_length(desc));
|
||||
|
||||
nir_store_deref(b, dst_deref, r, nir_component_mask(r->num_components));
|
||||
nir_instr_remove(&intr->instr);
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool
|
||||
lower_cmat_extract(nir_builder *b,
|
||||
nir_intrinsic_instr *intr)
|
||||
{
|
||||
nir_def *mat = load_cmat_src(b, intr->src[0]);
|
||||
nir_def *index = intr->src[1].ssa;
|
||||
nir_def *elem = nir_vector_extract(b, mat, index);
|
||||
nir_def_replace(&intr->def, elem);
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool
|
||||
lower_cmat_insert(nir_builder *b,
|
||||
nir_intrinsic_instr *intr)
|
||||
{
|
||||
nir_def *elem = intr->src[1].ssa;
|
||||
nir_def *mat = load_cmat_src(b, intr->src[2]);
|
||||
nir_def *index = intr->src[3].ssa;
|
||||
|
||||
nir_def *r = nir_vector_insert(b, mat, elem, index);
|
||||
store_cmat_src(b, intr->src[0], r);
|
||||
|
||||
nir_instr_remove(&intr->instr);
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool
|
||||
lower_cmat_binary_op(nir_builder *b,
|
||||
nir_intrinsic_instr *intr)
|
||||
{
|
||||
nir_def *src_a = load_cmat_src(b, intr->src[1]);
|
||||
nir_def *src_b = load_cmat_src(b, intr->src[2]);
|
||||
nir_op op = nir_intrinsic_alu_op(intr);
|
||||
|
||||
nir_def *ret = nir_build_alu2(b, op, src_a, src_b);
|
||||
store_cmat_src(b, intr->src[0], ret);
|
||||
|
||||
nir_instr_remove(&intr->instr);
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool
|
||||
lower_cmat_unary_op(nir_builder *b,
|
||||
nir_intrinsic_instr *intr)
|
||||
{
|
||||
nir_def *src = load_cmat_src(b, intr->src[1]);
|
||||
nir_op op = nir_intrinsic_alu_op(intr);
|
||||
|
||||
nir_def *ret = nir_build_alu1(b, op, src);
|
||||
store_cmat_src(b, intr->src[0], ret);
|
||||
|
||||
nir_instr_remove(&intr->instr);
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool
|
||||
lower_cmat_scalar_op(nir_builder *b,
|
||||
nir_intrinsic_instr *intr)
|
||||
{
|
||||
nir_def *src_a = load_cmat_src(b, intr->src[1]);
|
||||
nir_op op = nir_intrinsic_alu_op(intr);
|
||||
|
||||
nir_def *ret = nir_build_alu2(b, op, src_a, intr->src[2].ssa);
|
||||
store_cmat_src(b, intr->src[0], ret);
|
||||
|
||||
nir_instr_remove(&intr->instr);
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool
|
||||
lower_cmat_length(nir_builder *b,
|
||||
nir_intrinsic_instr *intr)
|
||||
{
|
||||
nir_def_replace(&intr->def, nir_imm_int(b, CMAT_LEN));
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool
|
||||
lower_cmat_muladd(nir_builder *b,
|
||||
nir_intrinsic_instr *intr)
|
||||
{
|
||||
const struct glsl_cmat_description a_desc = cmat_src_desc(intr->src[1]);
|
||||
const struct glsl_cmat_description b_desc = cmat_src_desc(intr->src[2]);
|
||||
const struct glsl_cmat_description c_desc = cmat_src_desc(intr->src[3]);
|
||||
nir_def *cmat_a = load_cmat_src(b, intr->src[1]);
|
||||
nir_def *cmat_b = load_cmat_src(b, intr->src[2]);
|
||||
nir_def *cmat_c = load_cmat_src(b, intr->src[3]);
|
||||
|
||||
unsigned a_length = get_cmat_length(a_desc);
|
||||
unsigned b_length = get_cmat_length(b_desc);
|
||||
unsigned c_length = get_cmat_length(c_desc);
|
||||
nir_def *a_comps[NIR_MAX_VEC_COMPONENTS];
|
||||
nir_def *b_comps[NIR_MAX_VEC_COMPONENTS];
|
||||
nir_def *c_comps[NIR_MAX_VEC_COMPONENTS];
|
||||
nir_def *d_comps[NIR_MAX_VEC_COMPONENTS];
|
||||
const nir_cmat_signed cmat_signed_mask = nir_intrinsic_cmat_signed_mask(intr);
|
||||
|
||||
enum glsl_base_type c_element_type =
|
||||
glsl_apply_signedness_to_base_type(c_desc.element_type, cmat_signed_mask & NIR_CMAT_C_SIGNED);
|
||||
|
||||
for (unsigned i = 0; i < a_length; i++)
|
||||
a_comps[i] = nir_channel(b, cmat_a, i);
|
||||
|
||||
for (unsigned i = 0; i < b_length; i++)
|
||||
b_comps[i] = nir_channel(b, cmat_b, i);
|
||||
|
||||
for (unsigned i = 0; i < c_length; i++)
|
||||
c_comps[i] = nir_channel(b, cmat_c, i);
|
||||
|
||||
nir_def *lane_id = nir_load_subgroup_invocation(b);
|
||||
int accum_bit_size = glsl_base_type_bit_size(c_desc.element_type);
|
||||
for (unsigned i = 0; i < CMAT_LEN; i++) {
|
||||
nir_def *ref = nir_imm_zero(b, 1, glsl_base_type_bit_size(c_desc.element_type));
|
||||
for (unsigned j = 0; j < CMAT_LEN; j++) {
|
||||
nir_def *outer_else_val = ref;
|
||||
ref = nir_imm_zero(b, 1, glsl_base_type_bit_size(c_desc.element_type));
|
||||
|
||||
nir_def *a_i = a_comps[i];
|
||||
nir_def *b_j = b_comps[j]; /* B is stored transposed */
|
||||
nir_def *val;
|
||||
if (glsl_base_type_is_integer(c_desc.element_type)) {
|
||||
if (c_element_type == GLSL_TYPE_INT)
|
||||
a_i = nir_i2iN(b, a_i, accum_bit_size);
|
||||
else
|
||||
a_i = nir_u2uN(b, a_i, accum_bit_size);
|
||||
if (c_element_type == GLSL_TYPE_INT)
|
||||
b_j = nir_i2iN(b, b_j, accum_bit_size);
|
||||
else
|
||||
b_j = nir_u2uN(b, b_j, accum_bit_size);
|
||||
|
||||
val = nir_imul(b, a_i, b_j);
|
||||
ref = nir_iadd(b, ref, val);
|
||||
} else {
|
||||
a_i = nir_f2fN(b, a_i, accum_bit_size);
|
||||
b_j = nir_f2fN(b, b_j, accum_bit_size);
|
||||
val = nir_fmul(b, a_i, b_j);
|
||||
ref = nir_fadd(b, ref, val);
|
||||
}
|
||||
|
||||
if (glsl_base_type_is_integer(c_desc.element_type)) {
|
||||
ref = nir_reduce(b, ref, .reduction_op = nir_op_iadd);
|
||||
} else {
|
||||
ref = nir_reduce(b, ref, .reduction_op = nir_op_fadd);
|
||||
}
|
||||
|
||||
nir_def *lane = nir_ieq_imm(b, lane_id, j);
|
||||
ref = nir_bcsel(b, lane, ref, outer_else_val);
|
||||
}
|
||||
|
||||
if (glsl_base_type_is_integer(c_desc.element_type)) {
|
||||
ref = nir_iadd(b, ref, c_comps[i]);
|
||||
} else {
|
||||
ref = nir_fadd(b, ref, c_comps[i]);
|
||||
}
|
||||
d_comps[i] = ref;
|
||||
}
|
||||
nir_def *ret = nir_vec(b, d_comps, CMAT_LEN);
|
||||
store_cmat_src(b, intr->src[0], ret);
|
||||
nir_instr_remove(&intr->instr);
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool
|
||||
lower_cmat_bitcast(nir_builder *b, nir_intrinsic_instr *intr)
|
||||
{
|
||||
nir_def *src1 = load_cmat_src(b, intr->src[1]);
|
||||
nir_store_deref(b, nir_src_as_deref(intr->src[0]), src1, nir_component_mask(src1->num_components));
|
||||
nir_instr_remove(&intr->instr);
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool
|
||||
lower_impl(nir_function_impl *impl,
|
||||
struct hash_table *type_mapping)
|
||||
{
|
||||
bool progress = false;
|
||||
/* Remap all cmat temp var to array of scalars */
|
||||
nir_foreach_function_temp_variable(var, impl) {
|
||||
const struct glsl_type *new_type =
|
||||
remap_matrix_type(type_mapping, var->type);
|
||||
if (new_type != var->type) {
|
||||
var->type = new_type;
|
||||
progress = true;
|
||||
}
|
||||
}
|
||||
|
||||
/* Iterate in reverse order so that lowering can still use the matrix types from the derefs before we change it. */
|
||||
nir_builder b = nir_builder_create(impl);
|
||||
nir_foreach_block_reverse_safe (block, impl) {
|
||||
nir_foreach_instr_reverse_safe (instr, block) {
|
||||
b.cursor = nir_before_instr(instr);
|
||||
|
||||
switch (instr->type) {
|
||||
case nir_instr_type_intrinsic: {
|
||||
nir_intrinsic_instr *intr = nir_instr_as_intrinsic(instr);
|
||||
switch (intr->intrinsic) {
|
||||
case nir_intrinsic_cmat_length:
|
||||
progress |= lower_cmat_length(&b, intr);
|
||||
break;
|
||||
case nir_intrinsic_cmat_construct:
|
||||
progress |= lower_cmat_construct(&b, intr);
|
||||
break;
|
||||
case nir_intrinsic_cmat_extract:
|
||||
progress |= lower_cmat_extract(&b, intr);
|
||||
break;
|
||||
case nir_intrinsic_cmat_insert:
|
||||
progress |= lower_cmat_insert(&b, intr);
|
||||
break;
|
||||
case nir_intrinsic_cmat_load:
|
||||
case nir_intrinsic_cmat_store:
|
||||
progress |= lower_cmat_load_store(&b, type_mapping, intr);
|
||||
break;
|
||||
case nir_intrinsic_cmat_binary_op:
|
||||
progress |= lower_cmat_binary_op(&b, intr);
|
||||
break;
|
||||
case nir_intrinsic_cmat_unary_op:
|
||||
progress |= lower_cmat_unary_op(&b, intr);
|
||||
break;
|
||||
case nir_intrinsic_cmat_scalar_op:
|
||||
progress |= lower_cmat_scalar_op(&b, intr);
|
||||
break;
|
||||
case nir_intrinsic_cmat_muladd:
|
||||
progress |= lower_cmat_muladd(&b, intr);
|
||||
break;
|
||||
case nir_intrinsic_cmat_copy:
|
||||
progress |= lower_cmat_copy(&b, intr);
|
||||
break;
|
||||
case nir_intrinsic_cmat_convert:
|
||||
progress |= lower_cmat_convert(&b, intr);
|
||||
break;
|
||||
case nir_intrinsic_cmat_bitcast:
|
||||
progress |= lower_cmat_bitcast(&b, intr);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case nir_instr_type_deref: {
|
||||
nir_deref_instr *deref = nir_instr_as_deref(instr);
|
||||
const struct glsl_type *new_type =
|
||||
remap_matrix_type(type_mapping, deref->type);
|
||||
|
||||
if (new_type != deref->type) {
|
||||
deref->type = new_type;
|
||||
progress = true;
|
||||
}
|
||||
break;
|
||||
}
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
return nir_progress(progress, impl, nir_metadata_none);
|
||||
}
|
||||
|
||||
bool
|
||||
lvp_nir_lower_cooperative_matrix(nir_shader *shader)
|
||||
{
|
||||
bool progress = false;
|
||||
|
||||
if (!shader->info.cs.has_cooperative_matrix)
|
||||
return false;
|
||||
|
||||
struct hash_table *type_mapping = _mesa_pointer_hash_table_create(NULL);
|
||||
/* Remap all cmat shader temp var to array of vectors */
|
||||
nir_foreach_variable_with_modes(var, shader, nir_var_shader_temp) {
|
||||
const struct glsl_type *new_type =
|
||||
remap_matrix_type(type_mapping, var->type);
|
||||
|
||||
if (new_type != var->type) {
|
||||
var->type = new_type;
|
||||
progress = true;
|
||||
}
|
||||
}
|
||||
|
||||
progress |= lower_impl(nir_shader_get_entrypoint(shader), type_mapping);
|
||||
|
||||
_mesa_hash_table_destroy(type_mapping, NULL);
|
||||
return progress;
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue