mirror of
https://github.com/ZDoom/Raze.git
synced 2024-12-11 21:31:37 +00:00
365 lines
No EOL
10 KiB
C++
365 lines
No EOL
10 KiB
C++
/*
|
|
** OpenGL debugging support functions
|
|
** Copyright (c) 2016-2020 Magnus Norddahl
|
|
**
|
|
** This software is provided 'as-is', without any express or implied
|
|
** warranty. In no event will the authors be held liable for any damages
|
|
** arising from the use of this software.
|
|
**
|
|
** Permission is granted to anyone to use this software for any purpose,
|
|
** including commercial applications, and to alter it and redistribute it
|
|
** freely, subject to the following restrictions:
|
|
**
|
|
** 1. The origin of this software must not be misrepresented; you must not
|
|
** claim that you wrote the original software. If you use this software
|
|
** in a product, an acknowledgment in the product documentation would be
|
|
** appreciated but is not required.
|
|
** 2. Altered source versions must be plainly marked as such, and must not be
|
|
** misrepresented as being the original software.
|
|
** 3. This notice may not be removed or altered from any source distribution.
|
|
*/
|
|
|
|
#include "templates.h"
|
|
#include "gl_system.h"
|
|
#include "gl_debug.h"
|
|
#include "stats.h"
|
|
#include "printf.h"
|
|
#include <set>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
CUSTOM_CVAR(Int, gl_debug_level, 0, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
|
|
{
|
|
if (!OpenGLRenderer::FGLDebug::HasDebugApi())
|
|
{
|
|
Printf("No OpenGL debug support detected.\n");
|
|
}
|
|
}
|
|
|
|
CVAR(Bool, gl_debug_breakpoint, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG);
|
|
|
|
extern bool gpuStatActive;
|
|
extern bool keepGpuStatActive;
|
|
extern FString gpuStatOutput;
|
|
|
|
namespace OpenGLRenderer
|
|
{
|
|
|
|
namespace
|
|
{
|
|
std::vector<std::pair<FString, GLuint>> timeElapsedQueries;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Updates OpenGL debugging state
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void FGLDebug::Update()
|
|
{
|
|
gpuStatOutput = "";
|
|
for (auto &query : timeElapsedQueries)
|
|
{
|
|
GLuint timeElapsed = 0;
|
|
glGetQueryObjectuiv(query.second, GL_QUERY_RESULT, &timeElapsed);
|
|
glDeleteQueries(1, &query.second);
|
|
|
|
FString out;
|
|
out.Format("%s=%04.2f ms\n", query.first.GetChars(), timeElapsed / 1000000.0f);
|
|
gpuStatOutput += out;
|
|
}
|
|
timeElapsedQueries.clear();
|
|
|
|
gpuStatActive = keepGpuStatActive;
|
|
keepGpuStatActive = false;
|
|
|
|
if (!HasDebugApi())
|
|
return;
|
|
|
|
SetupBreakpointMode();
|
|
UpdateLoggingLevel();
|
|
OutputMessageLog();
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Label objects so they are referenced by name in debug messages and in
|
|
// OpenGL debuggers (renderdoc)
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void FGLDebug::LabelObject(GLenum type, GLuint handle, const char *name)
|
|
{
|
|
if (HasDebugApi() && gl_debug_level != 0)
|
|
{
|
|
glObjectLabel(type, handle, -1, name);
|
|
}
|
|
}
|
|
|
|
void FGLDebug::LabelObjectPtr(void *ptr, const char *name)
|
|
{
|
|
if (HasDebugApi() && gl_debug_level != 0)
|
|
{
|
|
glObjectPtrLabel(ptr, -1, name);
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Marks which render pass/group is executing commands so that debuggers can
|
|
// display this information
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void FGLDebug::PushGroup(const FString &name)
|
|
{
|
|
if (HasDebugApi() && gl_debug_level != 0)
|
|
{
|
|
glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 0, (GLsizei)name.Len(), name.GetChars());
|
|
}
|
|
|
|
if (gpuStatActive)
|
|
{
|
|
GLuint queryHandle = 0;
|
|
glGenQueries(1, &queryHandle);
|
|
glBeginQuery(GL_TIME_ELAPSED, queryHandle);
|
|
timeElapsedQueries.push_back({ name, queryHandle });
|
|
}
|
|
}
|
|
|
|
void FGLDebug::PopGroup()
|
|
{
|
|
if (HasDebugApi() && gl_debug_level != 0)
|
|
{
|
|
glPopDebugGroup();
|
|
}
|
|
|
|
if (gpuStatActive)
|
|
{
|
|
glEndQuery(GL_TIME_ELAPSED);
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Turns on synchronous debugging on and off based on gl_debug_breakpoint
|
|
//
|
|
// Allows getting the debugger to break exactly at the OpenGL function emitting
|
|
// a message.
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void FGLDebug::SetupBreakpointMode()
|
|
{
|
|
if (mBreakpointMode != gl_debug_breakpoint)
|
|
{
|
|
if (gl_debug_breakpoint)
|
|
{
|
|
glDebugMessageCallback(&FGLDebug::DebugCallback, this);
|
|
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
|
|
}
|
|
else
|
|
{
|
|
glDebugMessageCallback(nullptr, nullptr);
|
|
glDisable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
|
|
}
|
|
mBreakpointMode = gl_debug_breakpoint;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Tells OpenGL which debug messages we are interested in
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void FGLDebug::UpdateLoggingLevel()
|
|
{
|
|
const GLenum level = gl_debug_level;
|
|
if (level != mCurrentLevel)
|
|
{
|
|
glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_HIGH, 0, nullptr, level > 0);
|
|
glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_MEDIUM, 0, nullptr, level > 1);
|
|
glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_LOW, 0, nullptr, level > 2);
|
|
glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DEBUG_SEVERITY_NOTIFICATION, 0, nullptr, level > 3);
|
|
mCurrentLevel = level;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// The log may already contain entries for a debug level we are no longer
|
|
// interested in..
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
bool FGLDebug::IsFilteredByDebugLevel(GLenum severity)
|
|
{
|
|
int severityLevel = 0;
|
|
switch (severity)
|
|
{
|
|
case GL_DEBUG_SEVERITY_HIGH: severityLevel = 1; break;
|
|
case GL_DEBUG_SEVERITY_MEDIUM: severityLevel = 2; break;
|
|
case GL_DEBUG_SEVERITY_LOW: severityLevel = 3; break;
|
|
case GL_DEBUG_SEVERITY_NOTIFICATION: severityLevel = 4; break;
|
|
}
|
|
return severityLevel > (int)gl_debug_level;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Prints all logged messages to the console
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void FGLDebug::OutputMessageLog()
|
|
{
|
|
if (mCurrentLevel <= 0)
|
|
return;
|
|
|
|
GLint maxDebugMessageLength = 0;
|
|
glGetIntegerv(GL_MAX_DEBUG_MESSAGE_LENGTH, &maxDebugMessageLength);
|
|
|
|
const int maxMessages = 50;
|
|
const int messageLogSize = maxMessages * maxDebugMessageLength;
|
|
|
|
TArray<GLenum> sources, types, severities;
|
|
TArray<GLuint> ids;
|
|
TArray<GLsizei> lengths;
|
|
TArray<GLchar> messageLog;
|
|
|
|
sources.Resize(maxMessages);
|
|
types.Resize(maxMessages);
|
|
severities.Resize(maxMessages);
|
|
ids.Resize(maxMessages);
|
|
lengths.Resize(maxMessages);
|
|
messageLog.Resize(messageLogSize);
|
|
|
|
while (true)
|
|
{
|
|
GLuint numMessages = glGetDebugMessageLog(maxMessages, messageLogSize, &sources[0], &types[0], &ids[0], &severities[0], &lengths[0], &messageLog[0]);
|
|
if (numMessages <= 0) break;
|
|
|
|
GLsizei offset = 0;
|
|
for (GLuint i = 0; i < numMessages; i++)
|
|
{
|
|
if (!IsFilteredByDebugLevel(severities[i]))
|
|
PrintMessage(sources[i], types[i], ids[i], severities[i], lengths[i], &messageLog[offset]);
|
|
offset += lengths[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Print a single message to the console
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void FGLDebug::PrintMessage(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message)
|
|
{
|
|
if (type == GL_DEBUG_TYPE_PUSH_GROUP || type == GL_DEBUG_TYPE_POP_GROUP)
|
|
return;
|
|
|
|
const int maxMessages = 50;
|
|
|
|
static int messagesPrinted = 0;
|
|
if (messagesPrinted > maxMessages)
|
|
return;
|
|
|
|
FString msg(message, length);
|
|
|
|
static std::set<std::string> seenMessages;
|
|
bool alreadySeen = !seenMessages.insert(msg.GetChars()).second;
|
|
if (alreadySeen)
|
|
return;
|
|
|
|
messagesPrinted++;
|
|
if (messagesPrinted == maxMessages)
|
|
{
|
|
Printf("Max OpenGL debug messages reached. Suppressing further output.\n");
|
|
}
|
|
else if (messagesPrinted < maxMessages)
|
|
{
|
|
FString sourceStr = SourceToString(source);
|
|
FString typeStr = TypeToString(type);
|
|
FString severityStr = SeverityToString(severity);
|
|
if (type != GL_DEBUG_TYPE_OTHER)
|
|
Printf("[%s] %s, %s: %s\n", sourceStr.GetChars(), severityStr.GetChars(), typeStr.GetChars(), msg.GetChars());
|
|
else
|
|
Printf("[%s] %s: %s\n", sourceStr.GetChars(), severityStr.GetChars(), msg.GetChars());
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// OpenGL callback function used when synchronous debugging is enabled
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
void FGLDebug::DebugCallback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam)
|
|
{
|
|
if (IsFilteredByDebugLevel(severity))
|
|
return;
|
|
|
|
PrintMessage(source, type, id, severity, length, message);
|
|
assert(severity == GL_DEBUG_SEVERITY_NOTIFICATION);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Enum to string helpers
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
FString FGLDebug::SourceToString(GLenum source)
|
|
{
|
|
FString s;
|
|
switch (source)
|
|
{
|
|
case GL_DEBUG_SOURCE_API: s = "api"; break;
|
|
case GL_DEBUG_SOURCE_WINDOW_SYSTEM: s = "window system"; break;
|
|
case GL_DEBUG_SOURCE_SHADER_COMPILER: s = "shader compiler"; break;
|
|
case GL_DEBUG_SOURCE_THIRD_PARTY: s = "third party"; break;
|
|
case GL_DEBUG_SOURCE_APPLICATION: s = "application"; break;
|
|
case GL_DEBUG_SOURCE_OTHER: s = "other"; break;
|
|
default: s.Format("%d", (int)source);
|
|
}
|
|
return s;
|
|
}
|
|
|
|
FString FGLDebug::TypeToString(GLenum type)
|
|
{
|
|
FString s;
|
|
switch (type)
|
|
{
|
|
case GL_DEBUG_TYPE_ERROR: s = "error"; break;
|
|
case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR: s = "deprecated"; break;
|
|
case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR: s = "undefined"; break;
|
|
case GL_DEBUG_TYPE_PORTABILITY: s = "portability"; break;
|
|
case GL_DEBUG_TYPE_PERFORMANCE: s = "performance"; break;
|
|
case GL_DEBUG_TYPE_MARKER: s = "marker"; break;
|
|
case GL_DEBUG_TYPE_PUSH_GROUP: s = "push group"; break;
|
|
case GL_DEBUG_TYPE_POP_GROUP: s = "pop group"; break;
|
|
case GL_DEBUG_TYPE_OTHER: s = "other"; break;
|
|
default: s.Format("%d", (int)type);
|
|
}
|
|
return s;
|
|
}
|
|
|
|
FString FGLDebug::SeverityToString(GLenum severity)
|
|
{
|
|
FString s;
|
|
switch (severity)
|
|
{
|
|
case GL_DEBUG_SEVERITY_LOW: s = "low severity"; break;
|
|
case GL_DEBUG_SEVERITY_MEDIUM: s = "medium severity"; break;
|
|
case GL_DEBUG_SEVERITY_HIGH: s = "high severity"; break;
|
|
case GL_DEBUG_SEVERITY_NOTIFICATION: s = "notification"; break;
|
|
default: s.Format("%d", (int)severity);
|
|
}
|
|
return s;
|
|
}
|
|
|
|
} |