mirror of
https://github.com/starr-dusT/yuzu-mainline
synced 2024-03-05 21:12:25 -08:00
99ceb03a1c
This formats all copyright comments according to SPDX formatting guidelines. Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
#include <algorithm>
|
|
#include <array>
|
|
#include <vector>
|
|
|
|
#include "common/alignment.h"
|
|
#include "common/assert.h"
|
|
#include "shader_recompiler/shader_info.h"
|
|
#include "video_core/transform_feedback.h"
|
|
|
|
namespace VideoCommon {
|
|
|
|
std::vector<Shader::TransformFeedbackVarying> MakeTransformFeedbackVaryings(
|
|
const TransformFeedbackState& state) {
|
|
static constexpr std::array VECTORS{
|
|
28, // gl_Position
|
|
32, // Generic 0
|
|
36, // Generic 1
|
|
40, // Generic 2
|
|
44, // Generic 3
|
|
48, // Generic 4
|
|
52, // Generic 5
|
|
56, // Generic 6
|
|
60, // Generic 7
|
|
64, // Generic 8
|
|
68, // Generic 9
|
|
72, // Generic 10
|
|
76, // Generic 11
|
|
80, // Generic 12
|
|
84, // Generic 13
|
|
88, // Generic 14
|
|
92, // Generic 15
|
|
96, // Generic 16
|
|
100, // Generic 17
|
|
104, // Generic 18
|
|
108, // Generic 19
|
|
112, // Generic 20
|
|
116, // Generic 21
|
|
120, // Generic 22
|
|
124, // Generic 23
|
|
128, // Generic 24
|
|
132, // Generic 25
|
|
136, // Generic 26
|
|
140, // Generic 27
|
|
144, // Generic 28
|
|
148, // Generic 29
|
|
152, // Generic 30
|
|
156, // Generic 31
|
|
160, // gl_FrontColor
|
|
164, // gl_FrontSecondaryColor
|
|
160, // gl_BackColor
|
|
164, // gl_BackSecondaryColor
|
|
192, // gl_TexCoord[0]
|
|
196, // gl_TexCoord[1]
|
|
200, // gl_TexCoord[2]
|
|
204, // gl_TexCoord[3]
|
|
208, // gl_TexCoord[4]
|
|
212, // gl_TexCoord[5]
|
|
216, // gl_TexCoord[6]
|
|
220, // gl_TexCoord[7]
|
|
};
|
|
std::vector<Shader::TransformFeedbackVarying> xfb(256);
|
|
for (size_t buffer = 0; buffer < state.layouts.size(); ++buffer) {
|
|
const auto& locations = state.varyings[buffer];
|
|
const auto& layout = state.layouts[buffer];
|
|
const u32 varying_count = layout.varying_count;
|
|
u32 highest = 0;
|
|
for (u32 offset = 0; offset < varying_count; ++offset) {
|
|
const u32 base_offset = offset;
|
|
const u8 location = locations[offset];
|
|
|
|
UNIMPLEMENTED_IF_MSG(layout.stream != 0, "Stream is not zero: {}", layout.stream);
|
|
Shader::TransformFeedbackVarying varying{
|
|
.buffer = static_cast<u32>(buffer),
|
|
.stride = layout.stride,
|
|
.offset = offset * 4,
|
|
.components = 1,
|
|
};
|
|
if (std::ranges::find(VECTORS, Common::AlignDown(location, 4)) != VECTORS.end()) {
|
|
UNIMPLEMENTED_IF_MSG(location % 4 != 0, "Unaligned TFB");
|
|
|
|
const u8 base_index = location / 4;
|
|
while (offset + 1 < varying_count && base_index == locations[offset + 1] / 4) {
|
|
++offset;
|
|
++varying.components;
|
|
}
|
|
}
|
|
xfb[location] = varying;
|
|
highest = std::max(highest, (base_offset + varying.components) * 4);
|
|
}
|
|
UNIMPLEMENTED_IF(highest != layout.stride);
|
|
}
|
|
return xfb;
|
|
}
|
|
|
|
} // namespace VideoCommon
|