1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <string_view>
#include "shader_recompiler/backend/glasm/emit_context.h"
#include "shader_recompiler/frontend/ir/program.h"
namespace Shader::Backend::GLASM {
namespace {
std::string_view InterpDecorator(Interpolation interp) {
switch (interp) {
case Interpolation::Smooth:
return "";
case Interpolation::Flat:
return "FLAT ";
case Interpolation::NoPerspective:
return "NOPERSPECTIVE ";
}
throw InvalidArgument("Invalid interpolation {}", interp);
}
} // Anonymous namespace
EmitContext::EmitContext(IR::Program& program) {
// FIXME: Temporary partial implementation
u32 cbuf_index{};
for (const auto& desc : program.info.constant_buffer_descriptors) {
if (desc.count != 1) {
throw NotImplementedException("Constant buffer descriptor array");
}
Add("CBUFFER c{}[]={{program.buffer[{}]}};", desc.index, cbuf_index);
++cbuf_index;
}
for (const auto& desc : program.info.storage_buffers_descriptors) {
if (desc.count != 1) {
throw NotImplementedException("Storage buffer descriptor array");
}
}
if (const size_t num = program.info.storage_buffers_descriptors.size(); num > 0) {
Add("PARAM c[{}]={{program.local[0..{}]}};", num, num - 1);
}
switch (program.stage) {
case Stage::VertexA:
case Stage::VertexB:
stage_name = "vertex";
break;
case Stage::TessellationControl:
case Stage::TessellationEval:
case Stage::Geometry:
stage_name = "primitive";
break;
case Stage::Fragment:
stage_name = "fragment";
break;
case Stage::Compute:
stage_name = "compute";
break;
}
for (size_t index = 0; index < program.info.input_generics.size(); ++index) {
const auto& generic{program.info.input_generics[index]};
if (generic.used) {
Add("{}ATTRIB in_attr{}[]={{{}.attrib[{}..{}]}};",
InterpDecorator(generic.interpolation), index, stage_name, index, index);
}
}
for (size_t index = 0; index < program.info.stores_frag_color.size(); ++index) {
if (!program.info.stores_frag_color[index]) {
continue;
}
if (index == 0) {
Add("OUTPUT frag_color0=result.color;");
} else {
Add("OUTPUT frag_color{}[]=result.color[{}];", index, index);
}
}
for (size_t index = 0; index < program.info.stores_generics.size(); ++index) {
if (program.info.stores_generics[index]) {
Add("OUTPUT out_attr{}[]={{result.attrib[{}..{}]}};", index, index, index);
}
}
}
} // namespace Shader::Backend::GLASM
|
