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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
#include "GLShaderUniforms.h"
#include "GLShaderProgram.h"
#include "GLUniformCache.h"
#include "../RenderResources.h"
#include "../../Base/StaticHashMapIterator.h"
#include "../../../Main.h"
namespace nCine
{
GLShaderUniforms::GLShaderUniforms()
: shaderProgram_(nullptr)
{
}
GLShaderUniforms::GLShaderUniforms(GLShaderProgram* shaderProgram)
: GLShaderUniforms(shaderProgram, nullptr, nullptr)
{
SetProgram(shaderProgram);
}
GLShaderUniforms::GLShaderUniforms(GLShaderProgram* shaderProgram, const char* includeOnly, const char* exclude)
: GLShaderUniforms()
{
SetProgram(shaderProgram, includeOnly, exclude);
}
void GLShaderUniforms::SetProgram(GLShaderProgram* shaderProgram, const char* includeOnly, const char* exclude)
{
DEATH_ASSERT(shaderProgram != nullptr);
shaderProgram_ = shaderProgram;
shaderProgram_->ProcessDeferredQueries();
uniformCaches_.clear();
if (shaderProgram_->GetStatus() == GLShaderProgram::Status::LinkedWithIntrospection) {
ImportUniforms(includeOnly, exclude);
}
}
void GLShaderUniforms::SetUniformsDataPointer(GLubyte* dataPointer)
{
DEATH_ASSERT(dataPointer != nullptr);
if (shaderProgram_->GetStatus() != GLShaderProgram::Status::LinkedWithIntrospection) {
return;
}
std::uint32_t offset = 0;
for (GLUniformCache& uniformCache : uniformCaches_) {
uniformCache.SetDataPointer(dataPointer + offset);
offset += uniformCache.GetUniform()->GetMemorySize();
}
}
void GLShaderUniforms::SetDirty(bool isDirty)
{
if (shaderProgram_->GetStatus() != GLShaderProgram::Status::LinkedWithIntrospection) {
return;
}
for (auto& uniform : uniformCaches_) {
uniform.SetDirty(isDirty);
}
}
GLUniformCache* GLShaderUniforms::GetUniform(const char* name)
{
DEATH_ASSERT(name != nullptr);
GLUniformCache* uniformCache = nullptr;
if (shaderProgram_ != nullptr) {
uniformCache = uniformCaches_.find(String::nullTerminatedView(name));
} else {
LOGE("Cannot find uniform \"{}\", no shader program associated", name);
}
return uniformCache;
}
void GLShaderUniforms::CommitUniforms()
{
if (shaderProgram_ != nullptr) {
if (shaderProgram_->GetStatus() == GLShaderProgram::Status::LinkedWithIntrospection) {
shaderProgram_->Use();
for (auto& uniform : uniformCaches_) {
uniform.CommitValue();
}
}
} else {
LOGE("No shader program associated");
}
}
void GLShaderUniforms::ImportUniforms(const char* includeOnly, const char* exclude)
{
constexpr std::uint32_t MaxUniformName = 128;
std::uint32_t importedCount = 0;
for (const GLUniform& uniform : shaderProgram_->uniforms_) {
const char* uniformName = uniform.GetName();
const char* currentIncludeOnly = includeOnly;
const char* currentExclude = exclude;
bool shouldImport = true;
if (includeOnly != nullptr) {
shouldImport = false;
while (currentIncludeOnly != nullptr && currentIncludeOnly[0] != '\0') {
if (strncmp(currentIncludeOnly, uniformName, MaxUniformName) == 0) {
shouldImport = true;
break;
}
currentIncludeOnly += strnlen(currentIncludeOnly, MaxUniformName) + 1;
}
}
if (exclude != nullptr) {
while (currentExclude != nullptr && currentExclude[0] != '\0') {
if (strncmp(currentExclude, uniformName, MaxUniformName) == 0) {
shouldImport = false;
break;
}
currentExclude += strnlen(currentExclude, MaxUniformName) + 1;
}
}
if (shouldImport) {
GLUniformCache uniformCache(&uniform);
uniformCaches_[uniformName] = uniformCache;
importedCount++;
}
}
if (importedCount > UniformCachesHashSize) {
LOGW("More imported uniform blocks ({}) than hashmap buckets ({})", importedCount, UniformCachesHashSize);
}
}
}
|
