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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
#include "RenderQueue.h"
#include "RenderBatcher.h"
#include "RenderResources.h"
#include "RenderStatistics.h"
#include "GL/GLDebug.h"
#include "../Application.h"
#include "GL/GLScissorTest.h"
#include "GL/GLDepthTest.h"
#include "GL/GLBlending.h"
#include "../Base/Algorithms.h"
#include "../tracy_opengl.h"
namespace nCine
{
RenderQueue::RenderQueue()
{
opaqueQueue_.reserve(16);
opaqueBatchedQueue_.reserve(16);
transparentQueue_.reserve(16);
transparentBatchedQueue_.reserve(16);
}
bool RenderQueue::IsEmpty() const
{
return (opaqueQueue_.empty() && transparentQueue_.empty());
}
void RenderQueue::AddCommand(RenderCommand* command)
{
// Calculating the material sorting key before adding the command to the queue
command->CalculateMaterialSortKey();
if (!command->GetMaterial().IsBlendingEnabled()) {
opaqueQueue_.push_back(command);
} else {
transparentQueue_.push_back(command);
}
}
namespace
{
bool descendingOrder(const RenderCommand* a, const RenderCommand* b)
{
return (a->GetMaterialSortKey() != b->GetMaterialSortKey())
? a->GetMaterialSortKey() > b->GetMaterialSortKey()
: a->GetIdSortKey() > b->GetIdSortKey();
}
bool ascendingOrder(const RenderCommand* a, const RenderCommand* b)
{
return (a->GetMaterialSortKey() != b->GetMaterialSortKey())
? a->GetMaterialSortKey() < b->GetMaterialSortKey()
: a->GetIdSortKey() < b->GetIdSortKey();
}
#if defined(DEATH_DEBUG) && defined(NCINE_PROFILING)
const char* commandTypeString(const RenderCommand& command)
{
switch (command.GetType()) {
case RenderCommand::Type::Unspecified: return "unspecified";
case RenderCommand::Type::Sprite: return "sprite";
case RenderCommand::Type::MeshSprite: return "mesh sprite";
case RenderCommand::Type::TileMap: return "tile map";
case RenderCommand::Type::Particle: return "particle";
case RenderCommand::Type::Lighting: return "lighting";
case RenderCommand::Type::Text: return "text";
# if defined(WITH_IMGUI)
case RenderCommand::Type::ImGui: return "imgui";
# endif
default: return "unknown";
}
}
#endif
}
void RenderQueue::SortAndCommit()
{
#if defined(DEATH_DEBUG)
static char debugString[128];
#endif
const bool batchingEnabled = theApplication().GetRenderingSettings().batchingEnabled;
// Sorting the queues with the relevant orders
sort(opaqueQueue_.begin(), opaqueQueue_.end(), descendingOrder);
sort(transparentQueue_.begin(), transparentQueue_.end(), ascendingOrder);
SmallVectorImpl<RenderCommand*>* opaques = batchingEnabled ? &opaqueBatchedQueue_ : &opaqueQueue_;
SmallVectorImpl<RenderCommand*>* transparents = batchingEnabled ? &transparentBatchedQueue_ : &transparentQueue_;
if (batchingEnabled) {
ZoneScopedNC("Batching", 0x81A861);
// Always create batches after sorting
RenderResources::GetRenderBatcher().CreateBatches(opaqueQueue_, opaqueBatchedQueue_);
RenderResources::GetRenderBatcher().CreateBatches(transparentQueue_, transparentBatchedQueue_);
}
// Avoid GPU stalls by uploading to VBOs, IBOs and UBOs before drawing
if (!opaques->empty()) {
ZoneScopedNC("Commit opaques", 0x81A861);
#if defined(DEATH_DEBUG)
std::size_t length = formatInto(debugString, "Commit {} opaque command(s) for viewport 0x{:x}", opaques->size(), std::uintptr_t(RenderResources::GetCurrentViewport()));
GLDebug::ScopedGroup scoped({ debugString, length });
#endif
for (RenderCommand* opaqueRenderCommand : *opaques) {
opaqueRenderCommand->CommitAll();
}
}
if (!transparents->empty()) {
ZoneScopedNC("Commit transparents", 0x81A861);
#if defined(DEATH_DEBUG)
std::size_t length = formatInto(debugString, "Commit {} transparent command(s) for viewport 0x{:x}", transparents->size(), std::uintptr_t(RenderResources::GetCurrentViewport()));
GLDebug::ScopedGroup scoped({ debugString, length });
#endif
for (RenderCommand* transparentRenderCommand : *transparents) {
transparentRenderCommand->CommitAll();
}
}
}
void RenderQueue::Draw()
{
#if defined(DEATH_DEBUG) && defined(NCINE_PROFILING)
static char debugString[128];
#endif
const bool batchingEnabled = theApplication().GetRenderingSettings().batchingEnabled;
SmallVectorImpl<RenderCommand*>* opaques = batchingEnabled ? &opaqueBatchedQueue_ : &opaqueQueue_;
SmallVectorImpl<RenderCommand*>* transparents = batchingEnabled ? &transparentBatchedQueue_ : &transparentQueue_;
#if defined(DEATH_DEBUG) && defined(NCINE_PROFILING)
std::uint32_t commandIndex = 0;
#endif
// Rendering opaque nodes front to back
for (RenderCommand* opaqueRenderCommand : *opaques) {
TracyGpuZone("Opaque");
#if defined(DEATH_DEBUG) && defined(NCINE_PROFILING)
const std::int32_t numInstances = opaqueRenderCommand->GetInstanceCount();
const std::int32_t batchSize = opaqueRenderCommand->GetBatchSize();
const std::uint16_t layer = opaqueRenderCommand->GetLayer();
const std::uint16_t visitOrder = opaqueRenderCommand->GetVisitOrder();
std::size_t length;
if (numInstances > 0) {
length = formatInto(debugString, "Opaque {} ({} {} on layer {}, visit order {}, sort key 0x{:x})",
commandIndex, numInstances, commandTypeString(*opaqueRenderCommand), layer, visitOrder, opaqueRenderCommand->GetMaterialSortKey());
} else if (batchSize > 0) {
length = formatInto(debugString, "Opaque {} ({} {} on layer {}, visit order {}, sort key 0x{:x})",
commandIndex, batchSize, commandTypeString(*opaqueRenderCommand), layer, visitOrder, opaqueRenderCommand->GetMaterialSortKey());
} else {
length = formatInto(debugString, "Opaque {} ({} {} layer {}, visit order {}, sort key 0x{:x})",
commandIndex, commandTypeString(*opaqueRenderCommand), layer, visitOrder, opaqueRenderCommand->GetMaterialSortKey());
}
GLDebug::ScopedGroup scoped({ debugString, length });
commandIndex++;
#endif
#if defined(NCINE_PROFILING)
RenderStatistics::GatherStatistics(*opaqueRenderCommand);
#endif
opaqueRenderCommand->CommitCameraTransformation();
opaqueRenderCommand->Issue();
}
GLBlending::Enable();
GLDepthTest::DisableDepthMask();
// Rendering transparent nodes back to front
for (RenderCommand* transparentRenderCommand : *transparents) {
TracyGpuZone("Transparent");
#if defined(DEATH_DEBUG) && defined(NCINE_PROFILING)
const std::int32_t numInstances = transparentRenderCommand->GetInstanceCount();
const std::int32_t batchSize = transparentRenderCommand->GetBatchSize();
const std::uint16_t layer = transparentRenderCommand->GetLayer();
const std::uint16_t visitOrder = transparentRenderCommand->GetVisitOrder();
std::size_t length;
if (numInstances > 0) {
length = formatInto(debugString, "Transparent {} ({} {} on layer {}, visit order {}, sort key 0x{:x})",
commandIndex, numInstances, commandTypeString(*transparentRenderCommand), layer, visitOrder, transparentRenderCommand->GetMaterialSortKey());
} else if (batchSize > 0) {
length = formatInto(debugString, "Transparent {} ({} {} on layer {}, visit order {}, sort key 0x{:x})",
commandIndex, batchSize, commandTypeString(*transparentRenderCommand), layer, visitOrder, transparentRenderCommand->GetMaterialSortKey());
} else {
length = formatInto(debugString, "Transparent {} ({} on layer {}, visit order {}, sort key 0x{:x})",
commandIndex, commandTypeString(*transparentRenderCommand), layer, visitOrder, transparentRenderCommand->GetMaterialSortKey());
}
GLDebug::ScopedGroup scoped({ debugString, length });
commandIndex++;
#endif
#if defined(NCINE_PROFILING)
RenderStatistics::GatherStatistics(*transparentRenderCommand);
#endif
GLBlending::SetBlendFunc(transparentRenderCommand->GetMaterial().GetSrcBlendingFactor(), transparentRenderCommand->GetMaterial().GetDestBlendingFactor());
transparentRenderCommand->CommitCameraTransformation();
transparentRenderCommand->Issue();
}
// Depth mask has to be enabled again before exiting this method or glClear(GL_DEPTH_BUFFER_BIT) won't have any effect
GLDepthTest::EnableDepthMask();
GLBlending::Disable();
GLScissorTest::Disable();
}
void RenderQueue::Clear()
{
opaqueQueue_.clear();
opaqueBatchedQueue_.clear();
transparentQueue_.clear();
transparentBatchedQueue_.clear();
RenderResources::GetRenderBatcher().Reset();
}
}
|
