|
|
|
@@ -0,0 +1,371 @@ |
|
|
|
/* |
|
|
|
* Copyright © 2017 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. |
|
|
|
*/ |
|
|
|
|
|
|
|
#include "radv_private.h" |
|
|
|
#include "radv_shader.h" |
|
|
|
#include "vk_format.h" |
|
|
|
#include "nir/nir.h" |
|
|
|
#include "nir/nir_builder.h" |
|
|
|
|
|
|
|
struct ycbcr_state { |
|
|
|
nir_builder *builder; |
|
|
|
nir_ssa_def *image_size; |
|
|
|
nir_tex_instr *origin_tex; |
|
|
|
nir_deref_instr *tex_deref; |
|
|
|
const struct radv_sampler_ycbcr_conversion *conversion; |
|
|
|
}; |
|
|
|
|
|
|
|
static nir_ssa_def * |
|
|
|
y_range(nir_builder *b, |
|
|
|
nir_ssa_def *y_channel, |
|
|
|
int bpc, |
|
|
|
VkSamplerYcbcrRange range) |
|
|
|
{ |
|
|
|
switch (range) { |
|
|
|
case VK_SAMPLER_YCBCR_RANGE_ITU_FULL: |
|
|
|
return y_channel; |
|
|
|
case VK_SAMPLER_YCBCR_RANGE_ITU_NARROW: |
|
|
|
return nir_fmul(b, |
|
|
|
nir_fadd(b, |
|
|
|
nir_fmul(b, y_channel, |
|
|
|
nir_imm_float(b, pow(2, bpc) - 1)), |
|
|
|
nir_imm_float(b, -16.0f * pow(2, bpc - 8))), |
|
|
|
nir_frcp(b, nir_imm_float(b, 219.0f * pow(2, bpc - 8)))); |
|
|
|
default: |
|
|
|
unreachable("missing Ycbcr range"); |
|
|
|
return NULL; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
static nir_ssa_def * |
|
|
|
chroma_range(nir_builder *b, |
|
|
|
nir_ssa_def *chroma_channel, |
|
|
|
int bpc, |
|
|
|
VkSamplerYcbcrRange range) |
|
|
|
{ |
|
|
|
switch (range) { |
|
|
|
case VK_SAMPLER_YCBCR_RANGE_ITU_FULL: |
|
|
|
return nir_fadd(b, chroma_channel, |
|
|
|
nir_imm_float(b, -pow(2, bpc - 1) / (pow(2, bpc) - 1.0f))); |
|
|
|
case VK_SAMPLER_YCBCR_RANGE_ITU_NARROW: |
|
|
|
return nir_fmul(b, |
|
|
|
nir_fadd(b, |
|
|
|
nir_fmul(b, chroma_channel, |
|
|
|
nir_imm_float(b, pow(2, bpc) - 1)), |
|
|
|
nir_imm_float(b, -128.0f * pow(2, bpc - 8))), |
|
|
|
nir_frcp(b, nir_imm_float(b, 224.0f * pow(2, bpc - 8)))); |
|
|
|
default: |
|
|
|
unreachable("missing Ycbcr range"); |
|
|
|
return NULL; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
typedef struct nir_const_value_3_4 { |
|
|
|
nir_const_value v[3][4]; |
|
|
|
} nir_const_value_3_4; |
|
|
|
|
|
|
|
static const nir_const_value_3_4 * |
|
|
|
ycbcr_model_to_rgb_matrix(VkSamplerYcbcrModelConversion model) |
|
|
|
{ |
|
|
|
switch (model) { |
|
|
|
case VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_601: { |
|
|
|
static const nir_const_value_3_4 bt601 = { { |
|
|
|
{ { .f32 = 1.402f }, { .f32 = 1.0f }, { .f32 = 0.0f }, { .f32 = 0.0f } }, |
|
|
|
{ { .f32 = -0.714136286201022f }, { .f32 = 1.0f }, { .f32 = -0.344136286201022f }, { .f32 = 0.0f } }, |
|
|
|
{ { .f32 = 0.0f }, { .f32 = 1.0f }, { .f32 = 1.772f }, { .f32 = 0.0f } }, |
|
|
|
} }; |
|
|
|
|
|
|
|
return &bt601; |
|
|
|
} |
|
|
|
case VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_709: { |
|
|
|
static const nir_const_value_3_4 bt709 = { { |
|
|
|
{ { .f32 = 1.5748031496063f }, { .f32 = 1.0f }, { .f32 = 0.0f }, { .f32 = 0.0f } }, |
|
|
|
{ { .f32 = -0.468125209181067f }, { .f32 = 1.0f }, { .f32 = -0.187327487470334f }, { .f32 = 0.0f } }, |
|
|
|
{ { .f32 = 0.0f }, { .f32 = 1.0f }, { .f32 = 1.85563184264242f }, { .f32 = 0.0f } }, |
|
|
|
} }; |
|
|
|
|
|
|
|
return &bt709; |
|
|
|
} |
|
|
|
case VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_2020: { |
|
|
|
static const nir_const_value_3_4 bt2020 = { { |
|
|
|
{ { .f32 = 1.4746f }, { .f32 = 1.0f }, { .f32 = 0.0f }, { .f32 = 0.0f } }, |
|
|
|
{ { .f32 = -0.571353126843658f }, { .f32 = 1.0f }, { .f32 = -0.164553126843658f }, { .f32 = 0.0f } }, |
|
|
|
{ { .f32 = 0.0f }, { .f32 = 1.0f }, { .f32 = 1.8814f }, { .f32 = 0.0f } }, |
|
|
|
} }; |
|
|
|
|
|
|
|
return &bt2020; |
|
|
|
} |
|
|
|
default: |
|
|
|
unreachable("missing Ycbcr model"); |
|
|
|
return NULL; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
static nir_ssa_def * |
|
|
|
convert_ycbcr(struct ycbcr_state *state, |
|
|
|
nir_ssa_def *raw_channels, |
|
|
|
uint8_t bits) |
|
|
|
{ |
|
|
|
nir_builder *b = state->builder; |
|
|
|
const struct radv_sampler_ycbcr_conversion *conversion = state->conversion; |
|
|
|
|
|
|
|
nir_ssa_def *expanded_channels = |
|
|
|
nir_vec4(b, |
|
|
|
chroma_range(b, nir_channel(b, raw_channels, 0), |
|
|
|
bits, conversion->ycbcr_range), |
|
|
|
y_range(b, nir_channel(b, raw_channels, 1), |
|
|
|
bits, conversion->ycbcr_range), |
|
|
|
chroma_range(b, nir_channel(b, raw_channels, 2), |
|
|
|
bits, conversion->ycbcr_range), |
|
|
|
nir_imm_float(b, 1.0f)); |
|
|
|
|
|
|
|
if (conversion->ycbcr_model == VK_SAMPLER_YCBCR_MODEL_CONVERSION_YCBCR_IDENTITY) |
|
|
|
return expanded_channels; |
|
|
|
|
|
|
|
const nir_const_value_3_4 *conversion_matrix = |
|
|
|
ycbcr_model_to_rgb_matrix(conversion->ycbcr_model); |
|
|
|
|
|
|
|
nir_ssa_def *converted_channels[] = { |
|
|
|
nir_fdot4(b, expanded_channels, nir_build_imm(b, 4, 32, conversion_matrix->v[0])), |
|
|
|
nir_fdot4(b, expanded_channels, nir_build_imm(b, 4, 32, conversion_matrix->v[1])), |
|
|
|
nir_fdot4(b, expanded_channels, nir_build_imm(b, 4, 32, conversion_matrix->v[2])) |
|
|
|
}; |
|
|
|
|
|
|
|
return nir_vec4(b, |
|
|
|
converted_channels[0], converted_channels[1], |
|
|
|
converted_channels[2], nir_imm_float(b, 1.0f)); |
|
|
|
} |
|
|
|
|
|
|
|
static nir_ssa_def * |
|
|
|
create_plane_tex_instr_implicit(struct ycbcr_state *state, |
|
|
|
uint32_t plane) |
|
|
|
{ |
|
|
|
nir_builder *b = state->builder; |
|
|
|
nir_tex_instr *old_tex = state->origin_tex; |
|
|
|
nir_tex_instr *tex = nir_tex_instr_create(b->shader, old_tex->num_srcs+ 1); |
|
|
|
|
|
|
|
for (uint32_t i = 0; i < old_tex->num_srcs; i++) { |
|
|
|
tex->src[i].src_type = old_tex->src[i].src_type; |
|
|
|
nir_src_copy(&tex->src[i].src, &old_tex->src[i].src, tex); |
|
|
|
} |
|
|
|
|
|
|
|
tex->src[tex->num_srcs - 1].src = nir_src_for_ssa(nir_imm_int(b, plane)); |
|
|
|
tex->src[tex->num_srcs - 1].src_type = nir_tex_src_plane; |
|
|
|
|
|
|
|
tex->sampler_dim = old_tex->sampler_dim; |
|
|
|
tex->dest_type = old_tex->dest_type; |
|
|
|
|
|
|
|
tex->op = old_tex->op; |
|
|
|
tex->coord_components = old_tex->coord_components; |
|
|
|
tex->is_new_style_shadow = old_tex->is_new_style_shadow; |
|
|
|
tex->component = old_tex->component; |
|
|
|
|
|
|
|
tex->texture_index = old_tex->texture_index; |
|
|
|
tex->texture_array_size = old_tex->texture_array_size; |
|
|
|
tex->sampler_index = old_tex->sampler_index; |
|
|
|
|
|
|
|
nir_ssa_dest_init(&tex->instr, &tex->dest, |
|
|
|
old_tex->dest.ssa.num_components, |
|
|
|
nir_dest_bit_size(old_tex->dest), NULL); |
|
|
|
nir_builder_instr_insert(b, &tex->instr); |
|
|
|
|
|
|
|
return &tex->dest.ssa; |
|
|
|
} |
|
|
|
|
|
|
|
struct swizzle_info { |
|
|
|
unsigned plane[4]; |
|
|
|
unsigned swizzle[4]; |
|
|
|
}; |
|
|
|
|
|
|
|
static struct swizzle_info |
|
|
|
get_plane_swizzles(VkFormat format) |
|
|
|
{ |
|
|
|
int planes = vk_format_get_plane_count(format); |
|
|
|
switch (planes) { |
|
|
|
case 3: |
|
|
|
return (struct swizzle_info) { |
|
|
|
{2, 0, 1, 0}, |
|
|
|
{0, 0, 0, 3} |
|
|
|
}; |
|
|
|
case 2: |
|
|
|
return (struct swizzle_info) { |
|
|
|
{1, 0, 1, 0}, |
|
|
|
{1, 0, 0, 3} |
|
|
|
}; |
|
|
|
case 1: |
|
|
|
return (struct swizzle_info) { |
|
|
|
{0, 0, 0, 0}, |
|
|
|
{0, 1, 2, 3} |
|
|
|
}; |
|
|
|
default: |
|
|
|
unreachable("unhandled plane count for ycbcr swizzling"); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
static nir_ssa_def * |
|
|
|
build_swizzled_components(nir_builder *builder, |
|
|
|
VkFormat format, |
|
|
|
VkComponentMapping mapping, |
|
|
|
nir_ssa_def **plane_values) |
|
|
|
{ |
|
|
|
struct swizzle_info plane_swizzle = get_plane_swizzles(format); |
|
|
|
enum vk_swizzle swizzles[4]; |
|
|
|
nir_ssa_def *values[4]; |
|
|
|
|
|
|
|
vk_format_compose_swizzles(&mapping, (const unsigned char[4]){0,1,2,3}, swizzles); |
|
|
|
|
|
|
|
nir_ssa_def *zero = nir_imm_float(builder, 0.0f); |
|
|
|
nir_ssa_def *one = nir_imm_float(builder, 1.0f); |
|
|
|
|
|
|
|
for (unsigned i = 0; i < 4; ++i) { |
|
|
|
switch(swizzles[i]) { |
|
|
|
case VK_SWIZZLE_X: |
|
|
|
case VK_SWIZZLE_Y: |
|
|
|
case VK_SWIZZLE_Z: |
|
|
|
case VK_SWIZZLE_W: { |
|
|
|
unsigned channel = swizzles[i] - VK_SWIZZLE_X; |
|
|
|
values[i] = nir_channel(builder, |
|
|
|
plane_values[plane_swizzle.plane[channel]], |
|
|
|
plane_swizzle.swizzle[channel]); |
|
|
|
break; |
|
|
|
} |
|
|
|
case VK_SWIZZLE_0: |
|
|
|
values[i] = zero; |
|
|
|
break; |
|
|
|
case VK_SWIZZLE_1: |
|
|
|
values[i] = one; |
|
|
|
break; |
|
|
|
default: |
|
|
|
unreachable("unhandled swizzle"); |
|
|
|
} |
|
|
|
} |
|
|
|
return nir_vec(builder, values, 4); |
|
|
|
} |
|
|
|
|
|
|
|
static bool |
|
|
|
try_lower_tex_ycbcr(const struct radv_pipeline_layout *layout, |
|
|
|
nir_builder *builder, |
|
|
|
nir_tex_instr *tex) |
|
|
|
{ |
|
|
|
int deref_src_idx = nir_tex_instr_src_index(tex, nir_tex_src_texture_deref); |
|
|
|
assert(deref_src_idx >= 0); |
|
|
|
nir_deref_instr *deref = nir_src_as_deref(tex->src[deref_src_idx].src); |
|
|
|
|
|
|
|
nir_variable *var = nir_deref_instr_get_variable(deref); |
|
|
|
const struct radv_descriptor_set_layout *set_layout = |
|
|
|
layout->set[var->data.descriptor_set].layout; |
|
|
|
const struct radv_descriptor_set_binding_layout *binding = |
|
|
|
&set_layout->binding[var->data.binding]; |
|
|
|
const struct radv_sampler_ycbcr_conversion *ycbcr_samplers = |
|
|
|
radv_immutable_ycbcr_samplers(set_layout, var->data.binding); |
|
|
|
|
|
|
|
if (!ycbcr_samplers) |
|
|
|
return false; |
|
|
|
|
|
|
|
/* For the following instructions, we don't apply any change and let the |
|
|
|
* instruction apply to the first plane. |
|
|
|
*/ |
|
|
|
if (tex->op == nir_texop_txs || |
|
|
|
tex->op == nir_texop_query_levels || |
|
|
|
tex->op == nir_texop_lod) |
|
|
|
return false; |
|
|
|
|
|
|
|
assert(tex->texture_index == 0); |
|
|
|
unsigned array_index = 0; |
|
|
|
if (deref->deref_type != nir_deref_type_var) { |
|
|
|
assert(deref->deref_type == nir_deref_type_array); |
|
|
|
if (!nir_src_is_const(deref->arr.index)) |
|
|
|
return false; |
|
|
|
array_index = nir_src_as_uint(deref->arr.index); |
|
|
|
array_index = MIN2(array_index, binding->array_size - 1); |
|
|
|
} |
|
|
|
const struct radv_sampler_ycbcr_conversion *ycbcr_sampler = ycbcr_samplers + array_index; |
|
|
|
|
|
|
|
if (ycbcr_sampler->format == VK_FORMAT_UNDEFINED) |
|
|
|
return false; |
|
|
|
|
|
|
|
struct ycbcr_state state = { |
|
|
|
.builder = builder, |
|
|
|
.origin_tex = tex, |
|
|
|
.tex_deref = deref, |
|
|
|
.conversion = ycbcr_sampler, |
|
|
|
}; |
|
|
|
|
|
|
|
builder->cursor = nir_before_instr(&tex->instr); |
|
|
|
|
|
|
|
VkFormat format = state.conversion->format; |
|
|
|
const int plane_count = vk_format_get_plane_count(format); |
|
|
|
nir_ssa_def *plane_values[3]; |
|
|
|
|
|
|
|
for (int p = 0; p < plane_count; ++p) { |
|
|
|
plane_values[p] = create_plane_tex_instr_implicit(&state, p); |
|
|
|
} |
|
|
|
|
|
|
|
nir_ssa_def *result = build_swizzled_components(builder, format, ycbcr_sampler->components, plane_values); |
|
|
|
if (state.conversion->ycbcr_model != VK_SAMPLER_YCBCR_MODEL_CONVERSION_RGB_IDENTITY) { |
|
|
|
VkFormat first_format = vk_format_get_plane_format(format, 0); |
|
|
|
result = convert_ycbcr(&state, result, vk_format_get_component_bits(first_format, VK_FORMAT_COLORSPACE_RGB, VK_SWIZZLE_X)); |
|
|
|
} |
|
|
|
|
|
|
|
nir_ssa_def_rewrite_uses(&tex->dest.ssa, nir_src_for_ssa(result)); |
|
|
|
nir_instr_remove(&tex->instr); |
|
|
|
|
|
|
|
return true; |
|
|
|
} |
|
|
|
|
|
|
|
bool |
|
|
|
radv_nir_lower_ycbcr_textures(nir_shader *shader, |
|
|
|
const struct radv_pipeline_layout *layout) |
|
|
|
{ |
|
|
|
bool progress = false; |
|
|
|
|
|
|
|
nir_foreach_function(function, shader) { |
|
|
|
if (!function->impl) |
|
|
|
continue; |
|
|
|
|
|
|
|
bool function_progress = false; |
|
|
|
nir_builder builder; |
|
|
|
nir_builder_init(&builder, function->impl); |
|
|
|
|
|
|
|
nir_foreach_block(block, function->impl) { |
|
|
|
nir_foreach_instr_safe(instr, block) { |
|
|
|
if (instr->type != nir_instr_type_tex) |
|
|
|
continue; |
|
|
|
|
|
|
|
nir_tex_instr *tex = nir_instr_as_tex(instr); |
|
|
|
function_progress |= try_lower_tex_ycbcr(layout, &builder, tex); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
if (function_progress) { |
|
|
|
nir_metadata_preserve(function->impl, |
|
|
|
nir_metadata_block_index | |
|
|
|
nir_metadata_dominance); |
|
|
|
} |
|
|
|
|
|
|
|
progress |= function_progress; |
|
|
|
} |
|
|
|
|
|
|
|
return progress; |
|
|
|
} |
Bas Nieuwenhuizen
7 lat temu