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Rework params packing.

This commit is contained in:
Roz K 2023-01-06 17:05:09 +01:00
parent 16c7c91508
commit 81d52086fe
Signed by: roz
GPG Key ID: 51FBF4E483E1C822
4 changed files with 281 additions and 227 deletions
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13
cpp/render.hpp
View File

@ -85,22 +85,15 @@ enum : rk_uint {
typedef rk_ushort rk_vertex_index;
typedef rk_ushort rk_mesh_index;
typedef rk_uint rk_vertex_input;
typedef rk_uint rk_vertex_output;
typedef rk_vertex_input rk_param_input;
struct rk_mesh {
rk_uint base_index;
rk_uint ntriangles;
};
// param input types must be size compatible with an array of rk_param_input
typedef rk_uint rk_param_input;
template<typename _input_type>
void rk_param_get_input_size(unsigned & _size, unsigned & _len) {
static_assert((sizeof(_input_type) % sizeof(rk_param_input)) == 0);
_size = sizeof(_input_type);
_len = sizeof(_input_type) / sizeof(rk_param_input);
}
RK_EXPORT void rk_render_initialize(
rk_bool debug);

213
cpp/render/render_opengles.cpp
View File

@ -14,6 +14,7 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "render_opengles.hpp"
#include "vertex_format_opengles.hpp"
#include "../display/display_glx.hpp"
#include "../utils/cmp_memcpy.hpp"
#include <cstdlib>
@ -330,13 +331,13 @@ rk_vertices_t rk_create_vertices(
for (rk_vertex_format const * f = format; *f; ++f, ++format_size) {
switch (*f & RK_VERTEX_FORMAT_MASK) {
case RK_VERTEX_FORMAT_VEC3_FLOAT:
vertex_size += sizeof(rk_vec3_float);
vertex_size += rk_vec3_float::get_output_size();
break;
case RK_VERTEX_FORMAT_VEC3_INT10:
vertex_size += sizeof(rk_vec3_int10);
vertex_size += rk_vec3_int10::get_output_size();
break;
case RK_VERTEX_FORMAT_VEC3_UINT10:
vertex_size += sizeof(rk_vec3_uint10);
vertex_size += rk_vec3_uint10::get_output_size();
break;
default:
rk_printf("rk_create_vertices(): invalid vertex format.");
@ -420,143 +421,6 @@ static void rk_buckets_alloc(
}
}
#define rk_pack_short_norm(_f) (static_cast<rk_int>((_f) * 32767.f) & 65536)
// #define rk_pack_short_norm(_f) (((static_cast<rk_int>((_f) * 32767.f) - 1) / 2) & 65535)
#define rk_pack_int10_norm(_f) (static_cast<rk_int>((_f) * 511.f) & 1023)
// #define rk_pack_int10_norm(_f) (((static_cast<rk_int>((_f) * 1023.f) - 1) / 2) & 1023)
static void rk_pack_vec3_float(
unsigned const count,
rk_instance_index const * const __restrict indices,
rk_param_output * __restrict _dst,
rk_param_input const * const __restrict _src) {
rk_instance_index const * const last_index = indices + count;
rk_vec3_float * __restrict dst = reinterpret_cast<rk_vec3_float *>(_dst);
rk_vec3_float const * const __restrict src = reinterpret_cast<rk_vec3_float const *>(_src);
for (rk_instance_index const * __restrict index = indices; index < last_index; ++index, ++dst) {
*dst = src[*index];
}
}
static void rk_pack_vec3_short(
unsigned const count,
rk_instance_index const * const __restrict indices,
rk_param_output * __restrict _dst,
rk_param_input const * const __restrict _src) {
rk_instance_index const * const last_index = indices + count;
rk_vec3_short * __restrict dst = reinterpret_cast<rk_vec3_short *>(_dst);
rk_vec3_float const * const __restrict src = reinterpret_cast<rk_vec3_float const *>(_src);
for (rk_instance_index const * __restrict index = indices; index < last_index; ++index, ++dst) {
rk_vec3_float const & input = src[*index];
dst->x = static_cast<rk_short>(input.x);
dst->y = static_cast<rk_short>(input.y);
dst->z = static_cast<rk_short>(input.z);
dst->pad = 0;
}
}
static void rk_pack_vec3_short_norm(
unsigned const count,
rk_instance_index const * const __restrict indices,
rk_param_output * __restrict _dst,
rk_param_input const * const __restrict _src) {
rk_instance_index const * const last_index = indices + count;
rk_vec3_short * __restrict dst = reinterpret_cast<rk_vec3_short *>(_dst);
rk_vec3_float const * const __restrict src = reinterpret_cast<rk_vec3_float const *>(_src);
#define _convert(s) rk_pack_short_norm(s)
for (rk_instance_index const * __restrict index = indices; index < last_index; ++index, ++dst) {
rk_vec3_float const & input = src[*index];
dst->x = _convert(input.x);
dst->y = _convert(input.y);
dst->z = _convert(input.z);
dst->pad = 0;
}
#undef _convert
}
static void rk_pack_vec3_int10(
unsigned const count,
rk_instance_index const * const __restrict indices,
rk_param_output * __restrict _dst,
rk_param_input const * const __restrict _src) {
rk_instance_index const * const last_index = indices + count;
rk_vec3_int10 * __restrict dst = reinterpret_cast<rk_vec3_int10 *>(_dst);
rk_vec3_float const * const __restrict src = reinterpret_cast<rk_vec3_float const *>(_src);
#define _convert(s) (static_cast<rk_int>((s)) & 1023)
for (rk_instance_index const * __restrict index = indices; index < last_index; ++index, ++dst) {
rk_vec3_float const & input = src[*index];
*dst = _convert(input.x) | (_convert(input.y) << 10) | (_convert(input.z) << 20);
}
#undef _convert
}
static void rk_pack_vec3_int10_norm(
unsigned const count,
rk_instance_index const * const __restrict indices,
rk_param_output * __restrict _dst,
rk_param_input const * const __restrict _src) {
rk_instance_index const * const last_index = indices + count;
rk_vec3_int10 * __restrict dst = reinterpret_cast<rk_vec3_int10 *>(_dst);
rk_vec3_float const * const __restrict src = reinterpret_cast<rk_vec3_float const *>(_src);
#define _convert(s) rk_pack_int10_norm(s)
for (rk_instance_index const * __restrict index = indices; index < last_index; ++index, ++dst) {
rk_vec3_float const & input = src[*index];
*dst = _convert(input.x) | (_convert(input.y) << 10) | (_convert(input.z) << 20);
}
#undef _convert
}
static void rk_pack_mat3_float(
unsigned const count,
rk_instance_index const * const __restrict indices,
rk_param_output * __restrict _dst,
rk_param_input const * const __restrict _src) {
rk_instance_index const * const last_index = indices + count;
rk_mat3_float * __restrict dst = reinterpret_cast<rk_mat3_float *>(_dst);
rk_mat3_float const * const __restrict src = reinterpret_cast<rk_mat3_float const *>(_src);
for (rk_instance_index const * __restrict index = indices; index < last_index; ++index, ++dst) {
*dst = src[*index];
}
#undef _convert
}
static void rk_pack_mat3_int10(
unsigned const count,
rk_instance_index const * const __restrict indices,
rk_param_output * __restrict _dst,
rk_param_input const * const __restrict _src) {
rk_instance_index const * const last_index = indices + count;
rk_mat3_int10 * __restrict dst = reinterpret_cast<rk_mat3_int10 *>(_dst);
rk_mat3_float const * const __restrict src = reinterpret_cast<rk_mat3_float const *>(_src);
#define _convert(s) (static_cast<rk_int>((s)) & 1023)
for (rk_instance_index const * __restrict index = indices; index < last_index; ++index, ++dst) {
rk_mat3_float const & input = src[*index];
dst->x = _convert(input.x.x) | (_convert(input.x.y) << 10) | (_convert(input.x.z) << 20);
dst->y = _convert(input.y.x) | (_convert(input.y.y) << 10) | (_convert(input.y.z) << 20);
dst->z = _convert(input.z.x) | (_convert(input.z.y) << 10) | (_convert(input.z.z) << 20);
}
#undef _convert
}
static void rk_pack_mat3_int10_norm(
unsigned const count,
rk_instance_index const * const __restrict indices,
rk_param_output * __restrict _dst,
rk_param_input const * const __restrict _src) {
rk_instance_index const * const last_index = indices + count;
rk_mat3_int10 * __restrict dst = reinterpret_cast<rk_mat3_int10 *>(_dst);
rk_mat3_float const * const __restrict src = reinterpret_cast<rk_mat3_float const *>(_src);
#define _convert(s) rk_pack_int10_norm(s)
for (rk_instance_index const * __restrict index = indices; index < last_index; ++index, ++dst) {
rk_mat3_float const & input = src[*index];
dst->x = _convert(input.x.x) | (_convert(input.x.y) << 10) | (_convert(input.x.z) << 20);
dst->y = _convert(input.y.x) | (_convert(input.y.y) << 10) | (_convert(input.y.z) << 20);
dst->z = _convert(input.z.x) | (_convert(input.z.y) << 10) | (_convert(input.z.z) << 20);
}
#undef _convert
}
rk_batch_t rk_create_batch(
rk_vertices_t _vertices,
rk_uint max_size,
@ -570,13 +434,13 @@ rk_batch_t rk_create_batch(
for (rk_vertex_format const * f = vertices->format; *f; ++f) {
switch (*f & RK_VERTEX_FORMAT_MASK) {
case RK_VERTEX_FORMAT_VEC3_FLOAT:
vertex_size += sizeof(rk_vec3_float);
vertex_size += rk_vec3_float::get_output_size();
break;
case RK_VERTEX_FORMAT_VEC3_INT10:
vertex_size += sizeof(rk_vec3_int10);
vertex_size += rk_vec3_int10::get_output_size();
break;
case RK_VERTEX_FORMAT_VEC3_UINT10:
vertex_size += sizeof(rk_vec3_uint10);
vertex_size += rk_vec3_uint10::get_output_size();
break;
}
}
@ -586,19 +450,19 @@ rk_batch_t rk_create_batch(
for (rk_param_format const * f = params_format; *f; ++f, ++nparams) {
switch (*f & RK_PARAM_FORMAT_MASK) {
case RK_PARAM_FORMAT_VEC3_FLOAT:
params_size += sizeof(rk_vec3_float);
params_size += rk_vec3_float::get_output_size();
break;
case RK_PARAM_FORMAT_VEC3_SHORT:
params_size += sizeof(rk_vec3_short);
params_size += rk_vec3_short::get_output_size();
break;
case RK_PARAM_FORMAT_VEC3_INT10:
params_size += sizeof(rk_vec3_int10);
params_size += rk_vec3_int10::get_output_size();
break;
case RK_PARAM_FORMAT_MAT3_FLOAT:
params_size += sizeof(rk_mat3_float);
params_size += rk_mat3_float::get_output_size();
break;
case RK_PARAM_FORMAT_MAT3_INT10:
params_size += sizeof(rk_mat3_int10);
params_size += rk_mat3_int10::get_output_size();
break;
default:
rk_printf("rk_create_batch(): invalid param format.");
@ -667,19 +531,19 @@ rk_batch_t rk_create_batch(
glEnableVertexAttribArray(attrib);
glVertexAttribFormat(attrib, 3, GL_FLOAT, GL_FALSE, offset);
glVertexAttribBinding(attrib++, binding);
offset += sizeof(rk_vec3_float);
offset += rk_vec3_float::get_output_size();
break;
case RK_VERTEX_FORMAT_VEC3_INT10:
glEnableVertexAttribArray(attrib);
glVertexAttribFormat(attrib, 4, GL_INT_2_10_10_10_REV, norm, offset);
glVertexAttribBinding(attrib++, binding);
offset += sizeof(rk_vec3_int10);
offset += rk_vec3_int10::get_output_size();
break;
case RK_VERTEX_FORMAT_VEC3_UINT10:
glEnableVertexAttribArray(attrib);
glVertexAttribFormat(attrib, 4, GL_UNSIGNED_INT_2_10_10_10_REV, norm, offset);
glVertexAttribBinding(attrib++, binding);
offset += sizeof(rk_vec3_uint10);
offset += rk_vec3_uint10::get_output_size();
break;
}
}
@ -694,64 +558,66 @@ rk_batch_t rk_create_batch(
param->offset = offset;
switch (*f & RK_PARAM_FORMAT_MASK) {
case RK_PARAM_FORMAT_VEC3_FLOAT:
rk_param_get_input_size<rk_vec3>(param->src_size, param->src_len);
rk_param_get_output_size<rk_vec3_float>(param->dst_size, param->dst_len);
param->packer = rk_pack_vec3_float;
param->src_size = rk_vec3_float::get_input_size();
param->dst_size = rk_vec3_float::get_output_size();
param->packer = rk_vec3_float::param_packer;
glBindVertexBuffer(binding, batch->params_buffer, param->offset, param->dst_size);
glEnableVertexAttribArray(attrib);
glVertexAttribFormat(attrib, 3, GL_FLOAT, GL_FALSE, 0);
glVertexAttribBinding(attrib++, binding);
break;
case RK_PARAM_FORMAT_VEC3_SHORT:
rk_param_get_input_size<rk_vec3>(param->src_size, param->src_len);
rk_param_get_output_size<rk_vec3_short>(param->dst_size, param->dst_len);
param->packer = norm ? rk_pack_vec3_short_norm : rk_pack_vec3_short;
param->src_size = rk_vec3_short::get_input_size();
param->dst_size = rk_vec3_short::get_output_size();
param->packer = norm ? rk_vec3_short_norm::param_packer : rk_vec3_short::param_packer;
glBindVertexBuffer(binding, batch->params_buffer, param->offset, param->dst_size);
glEnableVertexAttribArray(attrib);
glVertexAttribFormat(attrib, 3, GL_SHORT, norm, 0);
glVertexAttribBinding(attrib++, binding);
break;
case RK_PARAM_FORMAT_VEC3_INT10:
rk_param_get_input_size<rk_vec3>(param->src_size, param->src_len);
rk_param_get_output_size<rk_vec3_int10>(param->dst_size, param->dst_len);
param->packer = norm ? rk_pack_vec3_int10_norm : rk_pack_vec3_int10;
param->src_size = rk_vec3_int10::get_input_size();
param->dst_size = rk_vec3_int10::get_output_size();
param->packer = norm ? rk_vec3_int10_norm::param_packer : rk_vec3_int10::param_packer;
glBindVertexBuffer(binding, batch->params_buffer, param->offset, param->dst_size);
glEnableVertexAttribArray(attrib);
glVertexAttribFormat(attrib, 4, GL_INT_2_10_10_10_REV, norm, 0);
glVertexAttribBinding(attrib++, binding);
break;
case RK_PARAM_FORMAT_MAT3_FLOAT:
rk_param_get_input_size<rk_mat3>(param->src_size, param->src_len);
rk_param_get_output_size<rk_mat3_float>(param->dst_size, param->dst_len);
param->packer = rk_pack_mat3_float;
param->src_size = rk_mat3_float::get_input_size();
param->dst_size = rk_mat3_float::get_output_size();
param->packer = rk_mat3_float::param_packer;
glBindVertexBuffer(binding, batch->params_buffer, param->offset, param->dst_size);
glEnableVertexAttribArray(attrib);
glVertexAttribFormat(attrib, 3, GL_FLOAT, GL_FALSE, offsetof(rk_mat3_float, x));
glVertexAttribFormat(attrib, 3, GL_FLOAT, GL_FALSE, rk_mat3_float::get_output_offset(0));
glVertexAttribBinding(attrib++, binding);
glEnableVertexAttribArray(attrib);
glVertexAttribFormat(attrib, 3, GL_FLOAT, GL_FALSE, offsetof(rk_mat3_float, y));
glVertexAttribFormat(attrib, 3, GL_FLOAT, GL_FALSE, rk_mat3_float::get_output_offset(1));
glVertexAttribBinding(attrib++, binding);
glEnableVertexAttribArray(attrib);
glVertexAttribFormat(attrib, 3, GL_FLOAT, GL_FALSE, offsetof(rk_mat3_float, z));
glVertexAttribFormat(attrib, 3, GL_FLOAT, GL_FALSE, rk_mat3_float::get_output_offset(2));
glVertexAttribBinding(attrib++, binding);
break;
case RK_PARAM_FORMAT_MAT3_INT10:
rk_param_get_input_size<rk_mat3>(param->src_size, param->src_len);
rk_param_get_output_size<rk_mat3_int10>(param->dst_size, param->dst_len);
param->packer = norm ? rk_pack_mat3_int10_norm : rk_pack_mat3_int10;
param->src_size = rk_mat3_int10::get_input_size();
param->dst_size = rk_mat3_int10::get_output_size();
param->packer = norm ? rk_mat3_int10_norm::param_packer : rk_mat3_int10::param_packer;
glBindVertexBuffer(binding, batch->params_buffer, param->offset, param->dst_size);
glEnableVertexAttribArray(attrib);
glVertexAttribFormat(attrib, 4, GL_INT_2_10_10_10_REV, norm, offsetof(rk_mat3_int10, x));
glVertexAttribFormat(attrib, 4, GL_INT_2_10_10_10_REV, norm, rk_mat3_int10::get_output_offset(0));
glVertexAttribBinding(attrib++, binding);
glEnableVertexAttribArray(attrib);
glVertexAttribFormat(attrib, 4, GL_INT_2_10_10_10_REV, norm, offsetof(rk_mat3_int10, y));
glVertexAttribFormat(attrib, 4, GL_INT_2_10_10_10_REV, norm, rk_mat3_int10::get_output_offset(1));
glVertexAttribBinding(attrib++, binding);
glEnableVertexAttribArray(attrib);
glVertexAttribFormat(attrib, 4, GL_INT_2_10_10_10_REV, norm, offsetof(rk_mat3_int10, z));
glVertexAttribFormat(attrib, 4, GL_INT_2_10_10_10_REV, norm, rk_mat3_int10::get_output_offset(2));
glVertexAttribBinding(attrib++, binding);
break;
}
glVertexBindingDivisor(binding, 1);
param->src_len = param->src_size / sizeof(rk_param_output);
param->dst_len = param->dst_size / sizeof(rk_param_output);
param->source = new rk_param_input[max_size * param->src_len];
memset(param->source, 0xFF, max_size * param->src_size);
offset += max_size * param->dst_size;
@ -762,6 +628,7 @@ rk_batch_t rk_create_batch(
return reinterpret_cast<rk_batch_t>(batch);
}
[[RK_HOT, RK_FAST]]
static void rk_sort_batch(
rk_batch const & batch) {
rk_bucket const * const last_bucket = rk_buckets + batch.vertices->nmeshes;
@ -798,6 +665,7 @@ static void rk_sort_batch(
batch.state = RK_BATCH_STATE_SORTED;
}
[[RK_HOT, RK_FAST]]
static void rk_pack_batch(
rk_batch const & batch) {
if (batch.nparams) {
@ -821,6 +689,7 @@ static void rk_pack_batch(
batch.state = RK_BATCH_STATE_PACKED;
}
[[RK_HOT, RK_FAST]]
void rk_fill_batch(
rk_batch_t _batch,
rk_uint count,

52
cpp/render/render_opengles.hpp
View File

@ -21,6 +21,10 @@
#include <GLES3/gl3ext.h>
#include <GLES3/gl3platform.h>
static_assert(sizeof(rk_vertex_output) == 4);
typedef rk_vertex_output rk_param_output;
struct rk_shader {
GLuint vertex;
GLuint fragment;
@ -58,53 +62,11 @@ struct rk_command {
GLuint base_instance;
};
// param output types must be size compatible with an array of rk_param_output
typedef rk_uint rk_param_output;
template<typename _output_type>
void rk_param_get_output_size(unsigned & _size, unsigned & _len) {
static_assert((sizeof(_output_type) % sizeof(rk_param_output)) == 0);
_size = sizeof(_output_type);
_len = sizeof(_output_type) / sizeof(rk_param_output);
}
struct rk_vec3_float {
float x;
float y;
float z;
};
static_assert(sizeof(rk_vec3_float) == sizeof(rk_vec3));
struct rk_vec3_short {
rk_short x;
rk_short y;
rk_short z;
rk_short pad;
};
typedef rk_int rk_vec3_int10;
typedef rk_uint rk_vec3_uint10;
struct rk_mat3_float {
rk_vec3_float x;
rk_vec3_float y;
rk_vec3_float z;
};
static_assert(sizeof(rk_mat3_float) == sizeof(rk_mat3));
struct rk_mat3_int10 {
rk_vec3_int10 x;
rk_vec3_int10 y;
rk_vec3_int10 z;
};
typedef void (*rk_packer)(
unsigned const, // count
rk_instance_index const * const, // indices
rk_param_output *, // dst
rk_param_input const * const); // src
rk_instance_index const * const __restrict, // indices
rk_param_output * __restrict, // dst
rk_param_input const * const __restrict); // src
struct rk_parameter {
mutable bool dirty;

230
cpp/render/vertex_format_opengles.hpp Normal file
View File

@ -0,0 +1,230 @@
// Copyright (C) 2023 RozK
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef RK_ENGINE_VERTEX_FORMAT_H
#define RK_ENGINE_VERTEX_FORMAT_H
#include "render_opengles.hpp"
#include <limits>
namespace rk_vertex {
#pragma pack(push, 1)
template<typename _type>
struct alignas(alignof(_type)) rk_input {
_type input;
};
template<typename _type, typename _input, bool _signed, bool _normalized>
struct alignas(alignof(_type)) rk_output {
_type output;
[[RK_FAST]]
inline void convert(
rk_input<_input> const & __restrict src) {
output = static_cast<_type>(src.input);
}
};
template<typename _type, bool _signed>
struct alignas(alignof(_type)) rk_output<_type, rk_float, _signed, true> {
_type output;
[[RK_FAST]]
inline void convert(
rk_input<rk_float> const & __restrict src) {
enum : _type { max = std::numeric_limits<_type>::max() };
output = static_cast<_type>(src.input * static_cast<float>(max));
}
};
#pragma pack(4)
template<typename _input, unsigned _cols>
struct alignas(4) rk_input_row {
rk_input<_input> input_col[_cols];
};
template<typename _output, typename _input, unsigned _cols, bool _signed, bool _normalized>
struct alignas(4) rk_output_row {
rk_output<_output, _input, _signed, _normalized> output_col[_cols];
[[RK_FAST, RK_FLATTEN, RK_UNROLLED]]
inline void convert(
rk_input_row<_input, _cols> const & __restrict src) {
for (unsigned col = 0; col < _cols; ++col) {
output_col[col].convert(src.input_col[col]);
}
}
};
template<typename _input, unsigned _cols, bool _signed, bool _normalized>
struct alignas(4) rk_output_row<rk_packed<_signed, _cols>, _input, _cols, _signed, _normalized> {
rk_output<rk_packed<_signed, _cols>, _input, _signed, _normalized> output_cols;
[[RK_FAST, RK_FLATTEN]]
inline void convert(
rk_input_row<_input, _cols> const & __restrict src) {
output_cols.convert(src);
}
};
template<typename _input, unsigned _cols, unsigned _rows>
struct alignas(4) rk_input_format {
rk_input_row<_input, _cols> input_row[_rows];
};
template<typename _output, typename _input, unsigned _cols, unsigned _rows, bool _signed, bool _normalized>
struct alignas(4) rk_output_format {
rk_output_row<_output, _input, _cols, _signed, _normalized> output_row[_rows];
[[RK_FAST, RK_FLATTEN, RK_UNROLLED]]
inline void convert(
rk_input_format<_input, _cols, _rows> const & __restrict src) {
for (unsigned row = 0; row < _rows; ++row) {
output_row[row].convert(src.input_row[row]);
}
}
};
template<typename _input, bool _signed, bool _normalized>
struct alignas(alignof(rk_packed<_signed, 3>)) rk_output<rk_packed<_signed, 3>, _input, _signed, _normalized> {
rk_packed<_signed, 3> output;
[[RK_FAST]]
inline void convert(
rk_input_row<_input, 3> const & __restrict src) {
typedef typename rk_packed<_signed, 3>::type packed_type;
output.packed =
((static_cast<packed_type>(src.input_col[0].input) & 1023)) |
((static_cast<packed_type>(src.input_col[1].input) & 1023) << 10) |
((static_cast<packed_type>(src.input_col[2].input) & 1023) << 20);
}
};
template<typename _input, bool _signed, bool _normalized>
struct alignas(alignof(rk_packed<_signed, 4>)) rk_output<rk_packed<_signed, 4>, _input, _signed, _normalized> {
rk_packed<_signed, 4> output;
[[RK_FAST]]
inline void convert(
rk_input_row<_input, 4> const & __restrict src) {
typedef typename rk_packed<_signed, 4>::type packed_type;
output.packed =
((static_cast<packed_type>(src.input_col[0].input) & 1023)) |
((static_cast<packed_type>(src.input_col[1].input) & 1023) << 10) |
((static_cast<packed_type>(src.input_col[2].input) & 1023) << 20) |
((static_cast<packed_type>(src.input_col[3].input) & 3) << 30);
}
};
template<>
struct alignas(alignof(rk_packed<true, 3>)) rk_output<rk_packed<true, 3>, rk_float, true, true> {
rk_packed<true, 3> output;
[[RK_FAST]]
inline void convert(
rk_input_row<rk_float, 3> const & __restrict src) {
output.packed =
((static_cast<rk_int>(src.input_col[0].input * 511.f) & 1023)) |
((static_cast<rk_int>(src.input_col[1].input * 511.f) & 1023) << 10) |
((static_cast<rk_int>(src.input_col[2].input * 511.f) & 1023) << 20);
}
};
template<>
struct alignas(alignof(rk_packed<true, 4>)) rk_output<rk_packed<true, 4>, rk_float, true, true> {
rk_packed<true, 4> output;
[[RK_FAST]]
inline void convert(
rk_input_row<rk_float, 4> const & __restrict src) {
output.packed =
((static_cast<rk_uint>(src.input_col[0].input * 511.f) & 1023)) |
((static_cast<rk_uint>(src.input_col[1].input * 511.f) & 1023) << 10) |
((static_cast<rk_uint>(src.input_col[2].input * 511.f) & 1023) << 20) |
((static_cast<rk_uint>(src.input_col[3].input) & 3) << 30);
}
};
#pragma pack(pop)
template<typename _output, typename _input, unsigned _cols, unsigned _rows, bool _signed, bool _normalized>
struct rk_format {
typedef rk_input<_input> input;
typedef rk_output<_output, input, _signed, _normalized> output;
typedef rk_input_row<_input, _cols> input_row;
typedef rk_output_row<_output, _input, _cols, _signed, _normalized> output_row;
typedef rk_input_format<_input, _cols, _rows> input_format;
typedef rk_output_format<_output, _input, _cols, _rows, _signed, _normalized> output_format;
static_assert(sizeof(input) == sizeof(_input));
static_assert(sizeof(output) == sizeof(_output));
static_assert((sizeof(input_row) % sizeof(rk_vertex_input)) == 0);
static_assert((sizeof(output_row) % sizeof(rk_vertex_output)) == 0);
static_assert((sizeof(input_format) % sizeof(rk_vertex_input)) == 0);
static_assert((sizeof(output_format) % sizeof(rk_vertex_output)) == 0);
static unsigned get_input_size() {
return sizeof(input_format);
}
static unsigned get_output_size() {
return sizeof(output_format);
}
static unsigned get_output_offset(unsigned const index) {
return index * sizeof(output_row);
}
[[RK_FAST, RK_FLATTEN]]
inline static void convert(
output_format & __restrict dst,
input_format const & __restrict src) {
dst.convert(src);
}
[[RK_HOT, RK_FAST, RK_FLATTEN]]
static void param_packer(
unsigned const count,
rk_instance_index const * const __restrict indices,
rk_param_output * __restrict _dst,
rk_param_input const * const __restrict _src) {
rk_instance_index const * const last_index = indices + count;
output_format * __restrict dst = reinterpret_cast<output_format *>(_dst);
input_format const * const __restrict src = reinterpret_cast<input_format const *>(_src);
for (rk_instance_index const * __restrict index = indices; index < last_index; ++index, ++dst) {
dst->convert(src[*index]);
}
}
};
} // namepace rk_vertex
typedef rk_vertex::rk_format<rk_float, rk_float, 3, 1, true, false> rk_vec3_float;
typedef rk_vertex::rk_format<rk_short, rk_float, 3, 1, true, false> rk_vec3_short;
typedef rk_vertex::rk_format<rk_short, rk_float, 3, 1, true, true> rk_vec3_short_norm;
typedef rk_vertex::rk_format<rk_packed<true, 3>, rk_float, 3, 1, true, false> rk_vec3_int10;
typedef rk_vertex::rk_format<rk_packed<true, 3>, rk_float, 3, 1, true, true> rk_vec3_int10_norm;
typedef rk_vertex::rk_format<rk_packed<true, 3>, rk_float, 3, 1, true, false> rk_vec3_uint10;
typedef rk_vertex::rk_format<rk_packed<true, 3>, rk_float, 3, 1, true, true> rk_vec3_uint10_norm;
typedef rk_vertex::rk_format<rk_float, rk_float, 3, 3, true, false> rk_mat3_float;
typedef rk_vertex::rk_format<rk_packed<true, 3>, rk_float, 3, 3, true, false> rk_mat3_int10;
typedef rk_vertex::rk_format<rk_packed<true, 3>, rk_float, 3, 3, true, true> rk_mat3_int10_norm;
#endif // RK_ENGINE_VERTEX_FORMAT_H