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[Improvement] (MG_Backend/DirectGLES): Better buffer sync.

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This commit is contained in:
BZLZHH
2025-11-15 21:31:34 +08:00
parent 1c8af9253b
commit 2534394df3
1 changed files with 20 additions and 9 deletions
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MobileGL/MG_Backend/DirectGLES/Managers.cpp
+20 -9
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@@ -1,16 +1,15 @@
#include "Managers.h"
#include "MG_Backend/Backends.h"
#include "MG_State/GLState/ProgramState/ShaderObject.h"
#include "MG_Util/Types.h"
#include "Utils.h"
#include "DirectGLES.h"
#include "MG_Util/Converters/GLToMG/FramebufferEnumConverter.h"
#include <MG_Util/BackendLoaders/OpenGL/Loader.h>
#include <MG_Util/Converters/GLToStr/GLEnumConverter.h>
#include <MG_Util/Converters/MGToGL/DataTypeConverter.h>
#include <MG_Util/Converters/MGToGL/BufferEnumConverter.h>
#include <MG_Util/Converters/MGToGL/TextureEnumConverter.h>
#include <MG_Util/Converters/MGToGL/ProgramEnumConverter.h>
#include <MG_Util/Converters/GLToMG/FramebufferEnumConverter.h>
#include <MG_Util/Converters/MGToGL/FramebufferEnumConverter.h>
#include <MG_State/GLState/FramebufferState/FramebufferObject.h>
@@ -93,8 +92,12 @@ namespace MobileGL::MG_Backend::DirectGLES {
MGLOG_D("Syncing buffer sub-data (glBufferSubData) for object with ID : %u", m_backendBufferId);
const void* data = stateBufferObject->GetDataReadOnly()->data();
const auto& range = stateBufferObject->GetDirtyRange();
// dirty range: [range.start, range.end)
const auto& range = stateBufferObject->GetDirtyRange();
if (range.end == 0) {
MGLOG_D("No dirty range to sync for buffer with ID: %u", m_backendBufferId);
return;
}
MG_External::GLES::glBindBuffer(TempBufferTarget, m_backendBufferId);
MG_External::GLES::glBufferSubData(TempBufferTarget, range.start, range.end - range.start,
@@ -107,8 +110,12 @@ namespace MobileGL::MG_Backend::DirectGLES {
MGLOG_D("Syncing buffer map (glMapBuffer) for object with ID : %u", m_backendBufferId);
MGLOG_D("Mapping buffer with ID: %u", m_backendBufferId);
MG_External::GLES::glBindBuffer(TempBufferTarget, m_backendBufferId);
const auto& range = stateBufferObject->GetDirtyRange();
if (range.end == 0) {
MGLOG_D("No dirty range to sync for buffer with ID: %u", m_backendBufferId);
return;
}
MG_External::GLES::glBindBuffer(TempBufferTarget, m_backendBufferId);
void* mappedData =
MG_External::GLES::glMapBufferRange(TempBufferTarget, range.start, range.end - range.start,
(invalidate ? GL_MAP_INVALIDATE_BUFFER_BIT : 0) | GL_MAP_WRITE_BIT);
@@ -661,11 +668,15 @@ namespace MobileGL::MG_Backend::DirectGLES {
}
// Create global UBO
MG_External::GLES::glGenBuffers(1, &m_backendGlobalUBOId);
MG_External::GLES::glBindBuffer(GL_UNIFORM_BUFFER, m_backendGlobalUBOId);
MG_External::GLES::glBufferData(GL_UNIFORM_BUFFER, stateProgramObject->GetUBOSize(), nullptr,
GL_STREAM_DRAW);
MG_External::GLES::glBindBuffer(GL_UNIFORM_BUFFER, 0);
if (stateProgramObject->GetUBOSize() > 0) {
MG_External::GLES::glGenBuffers(1, &m_backendGlobalUBOId);
MG_External::GLES::glBindBuffer(GL_UNIFORM_BUFFER, m_backendGlobalUBOId);
MG_External::GLES::glBufferData(GL_UNIFORM_BUFFER, stateProgramObject->GetUBOSize(), nullptr,
GL_STREAM_DRAW);
MG_External::GLES::glBindBuffer(GL_UNIFORM_BUFFER, 0);
} else {
m_backendGlobalUBOId = 0;
}
m_isInitialized = true;
MGLOG_D("Program sync completed. backend ID %u", m_backendProgramId);