mirror of
https://github.com/MobileGL-Dev/MobileGL
synced 2026-09-08 04:08:32 +09:00
1354 lines
69 KiB
C++
1354 lines
69 KiB
C++
// MobileGL - MobileGL/MG_Backend/DirectGLES/Managers.cpp
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// Copyright (c) 2025-2026 MobileGL-Dev
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// Licensed under the GNU Lesser General Public License v3.0:
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// https://www.gnu.org/licenses/gpl-3.0.txt
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// https://www.gnu.org/licenses/lgpl-3.0.txt
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// SPDX-License-Identifier: LGPL-3.0-only
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// End of Source File Header
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#include "Managers.h"
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#include "MG_State/GLState/TextureState/TextureEnum.h"
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#include "MG_State/GLState/TextureState/TextureObject.h"
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#include "MG_State/GLState/TextureState/TextureState.h"
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#include "MG_Util/Converters/GLToMG/TextureEnumConverter.h"
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#include "Utils.h"
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#include "DirectGLES.h"
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#include <MG_Util/BackendLoaders/OpenGL/Loader.h>
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#include <MG_Util/Converters/GLToStr/GLEnumConverter.h>
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#include <MG_Util/Converters/MGToGL/DataTypeConverter.h>
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#include <MG_Util/Converters/MGToGL/BufferEnumConverter.h>
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#include <MG_Util/Converters/MGToGL/ProgramEnumConverter.h>
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#include <MG_Util/Converters/MGToGL/TextureEnumConverter.h>
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#include <MG_Util/Converters/MGToStr/TextureEnumConverter.h>
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#include <MG_State/GLState/TextureState/TextureObjectBuffer.h>
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#include <MG_Util/Converters/GLToMG/FramebufferEnumConverter.h>
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#include <MG_Util/Converters/MGToGL/FramebufferEnumConverter.h>
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#include <MG_State/GLState/FramebufferState/FramebufferObject.h>
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namespace MobileGL::MG_Backend::DirectGLES {
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constexpr Bool PREFER_MAP_BUFFER_RANGE_FOR_BUFFER_SYNC = true;
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namespace BufferImpl {
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BackendBufferObject::BackendBufferObject() {
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#ifdef TRACY_ENABLE
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ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
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#endif
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MG_External::GLES::glGenBuffers(1, &m_backendBufferId);
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if (m_backendBufferId == 0) {
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MGLOG_E("Failed to generate buffer object.");
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MGLOG_E("ES glGetError(): %s", MG_Util::ConvertGLEnumToString(MG_External::GLES::glGetError()).c_str());
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} else {
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MGLOG_D("Generated buffer object with ID: %u.", m_backendBufferId);
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}
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}
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const GLenum TempBufferTarget = GL_ARRAY_BUFFER;
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void BackendBufferObject::SyncToBackend(SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject) {
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#ifdef TRACY_ENABLE
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ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
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#endif
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if (!stateBufferObject) {
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MGLOG_E("State buffer object is null, cannot sync to backend.");
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return;
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}
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SizeT bufferSize = stateBufferObject->GetSize();
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if (bufferSize == 0) {
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MGLOG_W("Buffer size is zero, skipping sync for object with ID: %u", m_backendBufferId);
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return;
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}
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MGLOG_D("Syncing buffer object with backend ID %u to backend for state ID %u", m_backendBufferId,
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stateBufferObject->GetExternalIndex());
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// Decide sync method
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// glBufferData
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Bool needsRegeneration =
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!m_isInitialized || (stateBufferObject->GetChangeBits() & BufferChangeBits::PreferReallocationBit);
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if (needsRegeneration) {
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MGLOG_D("Buffer size changed significantly or not initialized, regenerating buffer with ID: %u",
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m_backendBufferId);
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SyncToBackend_glBufferData(stateBufferObject);
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m_isInitialized = true;
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m_prevBufferSize = bufferSize;
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stateBufferObject->ClearDirty();
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return;
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}
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// glMapBufferRange or glBufferSubData
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Bool useInvalidationMap = !(stateBufferObject->GetChangeBits() & BufferChangeBits::ForbidInvalidationBit);
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Bool useUnsynchronizedMap =
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!(stateBufferObject->GetChangeBits() & BufferChangeBits::ForbidUnsynchronizationBit);
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Bool useMapBufferRange = useInvalidationMap || useUnsynchronizedMap;
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if (!useMapBufferRange && PREFER_MAP_BUFFER_RANGE_FOR_BUFFER_SYNC) {
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auto usage = stateBufferObject->GetUsage();
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if (usage == BufferUsage::DynamicDraw || usage == BufferUsage::StreamDraw ||
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usage == BufferUsage::StreamCopy || usage == BufferUsage::DynamicCopy) {
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useMapBufferRange = true;
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}
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}
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if (useMapBufferRange) {
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MGLOG_D("Using glMapBufferRange to sync buffer with ID: %u", m_backendBufferId);
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SyncToBackend_glMapBufferRange(stateBufferObject, useInvalidationMap, useUnsynchronizedMap);
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} else {
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MGLOG_D("Using glBufferSubData to sync buffer with ID: %u", m_backendBufferId);
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SyncToBackend_glBufferSubData(stateBufferObject);
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}
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// Clear dirty state
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stateBufferObject->ClearDirty();
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m_prevBufferSize = bufferSize;
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}
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void BackendBufferObject::SyncToBackend_glBufferData(
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SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject) {
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#ifdef TRACY_ENABLE
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ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
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#endif
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MGLOG_D("Syncing buffer data (glBufferData) for object with ID : %u", m_backendBufferId);
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const void* data = stateBufferObject->GetDataReadOnly()->data();
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SizeT size = stateBufferObject->GetSize();
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GLenum usage = MG_Util::ConvertBufferUsageToGLEnum(stateBufferObject->GetUsage());
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MG_External::GLES::glBindBuffer(TempBufferTarget, m_backendBufferId);
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MG_External::GLES::glBufferData(TempBufferTarget, size, data, usage);
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}
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void BackendBufferObject::SyncToBackend_glBufferSubData(
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SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject) {
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#ifdef TRACY_ENABLE
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ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
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#endif
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MGLOG_D("Syncing buffer sub-data (glBufferSubData) for object with ID : %u", m_backendBufferId);
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const void* data = stateBufferObject->GetDataReadOnly()->data();
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// dirty range: [range.start, range.end)
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auto ranges = stateBufferObject->GetDirtyRanges();
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if (ranges.empty()) {
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MGLOG_D("No dirty range to sync for buffer with ID: %u", m_backendBufferId);
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return;
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}
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for (const auto& range : ranges) {
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MG_External::GLES::glBindBuffer(TempBufferTarget, m_backendBufferId);
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MG_External::GLES::glBufferSubData(TempBufferTarget, range.start, range.end - range.start,
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reinterpret_cast<const char*>(data) + range.start);
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}
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}
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void BackendBufferObject::SyncToBackend_glMapBufferRange(
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SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject, Bool invalidate, Bool unsynchronized) {
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#ifdef TRACY_ENABLE
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ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
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#endif
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MGLOG_D("Syncing buffer map (glMapBuffer) for object with ID : %u", m_backendBufferId);
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MGLOG_D("Mapping buffer with ID: %u", m_backendBufferId);
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auto ranges = stateBufferObject->GetDirtyRanges();
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if (ranges.empty()) {
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MGLOG_D("No dirty range to sync for buffer with ID: %u", m_backendBufferId);
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return;
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}
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SizeT minStart = ranges.GetOverallMinStart();
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SizeT maxEnd = ranges.GetOverallMaxEnd();
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MG_External::GLES::glBindBuffer(TempBufferTarget, m_backendBufferId);
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void* mappedData = MG_External::GLES::glMapBufferRange(
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TempBufferTarget, minStart, maxEnd - minStart,
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(invalidate ? GL_MAP_INVALIDATE_RANGE_BIT : 0) | (unsynchronized ? GL_MAP_UNSYNCHRONIZED_BIT : 0) |
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GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT);
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const void* data = stateBufferObject->GetDataReadOnly()->data();
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if (mappedData) {
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MGLOG_D("Mapped buffer data successfully for object with ID: %u", m_backendBufferId);
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Memcpy(mappedData, reinterpret_cast<const char*>(data) + minStart, maxEnd - minStart);
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// Explicitly flush the dirty ranges
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for (const auto& range : ranges) {
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MG_External::GLES::glFlushMappedBufferRange(TempBufferTarget, range.start - minStart,
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range.end - range.start);
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}
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MG_External::GLES::glUnmapBuffer(TempBufferTarget);
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} else {
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MGLOG_E("Failed to map buffer with ID: %u", m_backendBufferId);
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}
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}
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SharedPtr<BackendBufferObject> BackendBufferObject::GetSharedPtr() {
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return shared_from_this();
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}
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void BackendBufferObject::Bind() {
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#ifdef TRACY_ENABLE
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ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
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#endif
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if (TempBufferTarget == GL_ARRAY_BUFFER) {
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if (g_boundVertexBufferObject.get() == this) {
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return;
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}
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g_boundVertexBufferObject = GetSharedPtr();
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}
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MG_External::GLES::glBindBuffer(TempBufferTarget, m_backendBufferId);
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}
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void BackendBufferObject::Bind(GLenum target) {
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#ifdef TRACY_ENABLE
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ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
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#endif
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if (target == GL_ARRAY_BUFFER) {
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if (g_boundVertexBufferObject.get() == this) {
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return;
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}
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g_boundVertexBufferObject = GetSharedPtr();
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}
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MG_External::GLES::glBindBuffer(target, m_backendBufferId);
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}
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UnorderedMap<SharedPtr<MG_State::GLState::BufferObject>, SharedPtr<BackendBufferObject>> g_backendBufferObjects;
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SharedPtr<BackendBufferObject> g_boundVertexBufferObject;
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} // namespace BufferImpl
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namespace VertexArrayImpl {
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BackendVertexArrayObject::BackendVertexArrayObject() {
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#ifdef TRACY_ENABLE
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ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
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#endif
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MG_External::GLES::glGenVertexArrays(1, &m_backendVAOId);
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if (m_backendVAOId == 0) {
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MGLOG_E("Failed to generate vertex array object.");
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MGLOG_E("ES glGetError(): %s", MG_Util::ConvertGLEnumToString(MG_External::GLES::glGetError()).c_str());
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} else {
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MGLOG_D("Generated vertex array object with ID: %u.", m_backendVAOId);
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}
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}
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void BackendVertexArrayObject::Bind() {
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#ifdef TRACY_ENABLE
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ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
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#endif
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MG_External::GLES::glBindVertexArray(m_backendVAOId);
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}
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void BackendVertexArrayObject::SyncAttributeBuffer(Uint index,
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const MG_State::GLState::VertexAttribute& attrib) {
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const auto& bufferObject = attrib.Buffer;
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if (!bufferObject) {
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MGLOG_W("Attribute has no bound buffer, skipping.");
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return;
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}
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const auto& backendBufferIt = BufferImpl::g_backendBufferObjects.find(bufferObject);
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if (backendBufferIt == BufferImpl::g_backendBufferObjects.end()) {
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MGLOG_E("No backend buffer found for attribute's buffer, cannot bind attribute.");
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return;
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}
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const auto& backendBufferObject = backendBufferIt->second;
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backendBufferObject->Bind(GL_ARRAY_BUFFER);
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}
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void BackendVertexArrayObject::SyncToBackend(SharedPtr<MG_State::GLState::VertexArrayObject>& stateVAOObject) {
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#ifdef TRACY_ENABLE
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ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
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#endif
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if (!stateVAOObject) {
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MGLOG_E("State VAO object is null, cannot sync to backend.");
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return;
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}
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MGLOG_D("Syncing VAO with backend ID %u to backend for state ID %u", m_backendVAOId,
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stateVAOObject->GetExternalIndex());
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Bind();
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const auto& allAttributeVersions = stateVAOObject->GetAllAttributeVersions();
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const auto& allAttributes = stateVAOObject->GetAllAttributes();
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for (Uint attribIndex = 0; attribIndex < allAttributes.size(); ++attribIndex) {
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const auto& attrib = allAttributes[attribIndex];
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Bool needsSyncSwitch = allAttributeVersions[attribIndex].SwitchVersion !=
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m_syncedAttributeVersions[attribIndex].SwitchVersion;
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if (needsSyncSwitch) {
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if (attrib.Enabled) {
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MG_External::GLES::glEnableVertexAttribArray(attribIndex);
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} else {
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MG_External::GLES::glDisableVertexAttribArray(attribIndex);
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}
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}
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Bool needsSyncFormat = allAttributeVersions[attribIndex].FormatVersion !=
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m_syncedAttributeVersions[attribIndex].FormatVersion;
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Bool needsSyncBuffer = allAttributeVersions[attribIndex].BufferVersion !=
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m_syncedAttributeVersions[attribIndex].BufferVersion;
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if (!needsSyncFormat && !needsSyncBuffer) continue;
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if (needsSyncBuffer) {
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SyncAttributeBuffer(attribIndex, attrib);
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if (!attrib.IsInteger) {
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MG_External::GLES::glVertexAttribPointer(
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attribIndex, attrib.Size, MG_Util::ConvertDataTypeToGLEnum(attrib.Type),
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attrib.Normalized ? GL_TRUE : GL_FALSE, attrib.Stride, (const void*)attrib.Offset);
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} else {
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MG_External::GLES::glVertexAttribIPointer(attribIndex, attrib.Size,
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MG_Util::ConvertDataTypeToGLEnum(attrib.Type),
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attrib.Stride, (const void*)attrib.Offset);
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}
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continue; // No need to set format again
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}
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if (needsSyncFormat) {
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MG_External::GLES::glVertexAttribDivisor(attribIndex, attrib.Divisor);
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if (!attrib.IsInteger) {
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MG_External::GLES::glVertexAttribFormat(attribIndex, attrib.Size,
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MG_Util::ConvertDataTypeToGLEnum(attrib.Type),
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attrib.Normalized ? GL_TRUE : GL_FALSE, attrib.Offset);
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} else {
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MG_External::GLES::glVertexAttribIFormat(
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attribIndex, attrib.Size, MG_Util::ConvertDataTypeToGLEnum(attrib.Type), attrib.Offset);
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}
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}
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}
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Uint16 currentIndexBufferVersion = stateVAOObject->GetIndexBufferBindingSlot().GetVersion();
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if (currentIndexBufferVersion != m_syncedIndexBufferVersion) {
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const auto& indexBufferBinding = stateVAOObject->GetIndexBufferBindingSlot().GetBoundObject();
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if (indexBufferBinding) {
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const auto& backendBufferIt = BufferImpl::g_backendBufferObjects.find(indexBufferBinding);
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if (backendBufferIt != BufferImpl::g_backendBufferObjects.end()) {
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const auto& backendBufferObject = backendBufferIt->second;
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backendBufferObject->Bind(GL_ELEMENT_ARRAY_BUFFER);
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} else {
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MGLOG_W("No backend buffer found for index buffer binding, cannot bind index buffer.");
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}
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}
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m_syncedIndexBufferVersion = currentIndexBufferVersion;
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}
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m_syncedAttributeVersions = allAttributeVersions;
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}
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UnorderedMap<SharedPtr<MG_State::GLState::VertexArrayObject>, SharedPtr<BackendVertexArrayObject>>
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g_backendVertexArrayObjects;
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} // namespace VertexArrayImpl
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namespace TextureImpl {
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BackendTextureObject::BackendTextureObject() {
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#ifdef TRACY_ENABLE
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ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
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#endif
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MG_External::GLES::glGenTextures(1, &m_backendTextureId);
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if (m_backendTextureId == 0) {
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MGLOG_E("Failed to generate texture object.");
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MGLOG_E("ES glGetError(): %s", MG_Util::ConvertGLEnumToString(MG_External::GLES::glGetError()).c_str());
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} else {
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MGLOG_D("Generated texture object with ID: %u.", m_backendTextureId);
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}
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}
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void BackendTextureObject::Bind(GLenum target, Uint unit) {
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#ifdef TRACY_ENABLE
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ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
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#endif
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auto targetN = static_cast<SizeT>(MG_Util::ConvertGLEnumToTextureTarget(target));
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if (this == g_boundTexturesCache[unit][targetN]) return;
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ActivateTextureUnit(unit);
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MG_External::GLES::glBindTexture(target, m_backendTextureId);
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g_boundTexturesCache[unit][targetN] = this;
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}
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Uint BackendTextureObject::GetBackendTextureId() {
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#ifdef TRACY_ENABLE
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ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
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#endif
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return m_backendTextureId;
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}
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void BackendTextureObject::SyncMipmapsToBackend(
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SharedPtr<MG_State::GLState::ITextureObject>& stateTextureObject) {
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if (!stateTextureObject) {
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MGLOG_E("State texture object is null, cannot sync to backend.");
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return;
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}
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if (!stateTextureObject->CheckDirtyBit(MG_State::GLState::TextureDirtyBit::StorageDirtyBit)) {
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MGLOG_D("Texture parameters changed but storage is not dirty, skipping mipmap sync for texture ID: %u",
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m_backendTextureId);
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return;
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}
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#ifdef TRACY_ENABLE
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ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
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#endif
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DebugImpl::ErrorLopper errorLopper;
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MGLOG_D("Syncing texture mipmaps with backend ID %u to backend for state ID %u", m_backendTextureId,
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stateTextureObject->GetExternalIndex());
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GLenum target = MG_Util::ConvertTextureTargetToGLEnum(stateTextureObject->GetTarget());
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auto targetInternal = stateTextureObject->GetTarget();
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MGLOG_D(" Texture target for syncing is %s",
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MG_Util::ConvertTextureTargetToString(targetInternal).c_str());
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if (!IsSupportedTextureTarget(targetInternal)) {
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MGLOG_E(" Texture target %s is not supported, skipping.",
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MG_Util::ConvertTextureTargetToString(targetInternal).c_str());
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return;
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}
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// The texture needs to be regenerated completely with glTexImage* calls if:
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// 1. Not initialized
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// 2. InternalFormat changed
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// 3. Size changed
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// 4. Mipmap levels changed
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if (!stateTextureObject->IsComplete()) {
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MGLOG_D("Texture object with ID: %u is not complete, skipping sync.",
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stateTextureObject->GetExternalIndex());
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return;
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}
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Bind(target);
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const auto baseSize = stateTextureObject->GetBaseSize();
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StateTextureBasicInfo currentTextureInfo = {stateTextureObject->GetFormat(),
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static_cast<SizeT>(baseSize.x()),
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static_cast<SizeT>(baseSize.y()),
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static_cast<SizeT>(baseSize.z()),
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0,
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0};
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switch (stateTextureObject->GetStorageType()) {
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case TextureStorageType::Mipmap: {
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auto* textureMipmapObject =
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static_cast<MG_State::GLState::TextureObjectMipmap*>(stateTextureObject.get());
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const auto mipmapCount = textureMipmapObject->GetMipmapLevelCount();
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currentTextureInfo.mipmapLevels = mipmapCount;
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Bool needsRegeneration = !m_isInitialized || (currentTextureInfo != m_prevTextureInfo);
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MGLOG_D("%s: Got texture info: %dx%dx%d, mips %d, format %s", __func__, baseSize.x(), baseSize.y(),
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baseSize.z(), mipmapCount,
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MG_Util::ConvertTextureInternalFormatToString(textureMipmapObject->GetFormat()).c_str());
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if (needsRegeneration) {
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MGLOG_D("Texture state changed significantly or not initialized, regenerating texture with ID: %u",
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m_backendTextureId);
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// Regenerate all mipmap levels
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GLenum glInternalFormat, glType, glFormat;
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TextureImpl::GenerateTextureFormatInfo(textureMipmapObject->GetFormat(), &glInternalFormat,
|
|
&glFormat, &glType);
|
|
|
|
const auto& uploadTargets = textureMipmapObject->GetUploadTargets();
|
|
for (auto uploadTarget : uploadTargets) {
|
|
for (SizeT level = 0; level < mipmapCount; ++level) {
|
|
auto levelTexelSize = textureMipmapObject->GetMipmapTexelSize(uploadTarget, level);
|
|
auto levelByteSize = textureMipmapObject->GetMipmapByteSize(uploadTarget, level);
|
|
bool levelDirty = textureMipmapObject->IsStorageDirty(uploadTarget, level);
|
|
auto glUploadTarget = MG_Util::ConvertTextureUploadTargetToGLEnum(uploadTarget);
|
|
auto* pData = (levelDirty && levelByteSize != 0)
|
|
? textureMipmapObject->MapMipmapData(uploadTarget, level)
|
|
: nullptr;
|
|
MGLOG_D("%s: target: %s: syncing mip %d: %dx%dx%d, byteSize = %d, pData = %p, "
|
|
"levelDirty = %s",
|
|
__func__, MG_Util::ConvertTextureUploadTargetToString(uploadTarget).c_str(), level,
|
|
levelTexelSize.x(), levelTexelSize.y(), levelTexelSize.z(), levelByteSize, pData,
|
|
levelDirty ? "true" : "false");
|
|
|
|
errorLopper.Clear();
|
|
MG_External::GLES::glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
|
|
auto textureTarget = stateTextureObject->GetTarget();
|
|
// TODO: handle more texture types
|
|
switch (textureTarget) {
|
|
case TextureTarget::Texture2D:
|
|
case TextureTarget::TextureCubeMap: {
|
|
MG_External::GLES::glTexImage2D(
|
|
glUploadTarget, static_cast<GLint>(level), glInternalFormat,
|
|
static_cast<GLsizei>(levelTexelSize.x()), static_cast<GLsizei>(levelTexelSize.y()),
|
|
0, glFormat, glType, pData);
|
|
break;
|
|
}
|
|
case TextureTarget::Texture3D: {
|
|
MG_External::GLES::glTexImage3D(
|
|
glUploadTarget, static_cast<GLint>(level), glInternalFormat,
|
|
static_cast<GLsizei>(levelTexelSize.x()), static_cast<GLsizei>(levelTexelSize.y()),
|
|
static_cast<GLsizei>(levelTexelSize.z()), 0, glFormat, glType, pData);
|
|
break;
|
|
}
|
|
default: {
|
|
MGLOG_E("Unhandled texture target %s",
|
|
MG_Util::ConvertTextureTargetToString(textureTarget).c_str());
|
|
}
|
|
}
|
|
errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__, glUploadTarget,
|
|
glInternalFormat, glFormat, glType, pData](GLenum err) {
|
|
MGLOG_D("%s(%s:%d) ES error: %s. glTexImage*: target=%s, internalformat=%s, format=%s, "
|
|
"type=%s, pixels=%p",
|
|
func, file, line, MG_Util::ConvertGLEnumToString(err).c_str(),
|
|
MG_Util::ConvertGLEnumToString(glUploadTarget).c_str(),
|
|
MG_Util::ConvertGLEnumToString(glInternalFormat).c_str(),
|
|
MG_Util::ConvertGLEnumToString(glFormat).c_str(),
|
|
MG_Util::ConvertGLEnumToString(glType).c_str(), pData);
|
|
});
|
|
MGLOG_D("Regenerated mipmap level %d for texture with ID: %u", level, m_backendTextureId);
|
|
textureMipmapObject->MarkStorageDirty(uploadTarget, level, false);
|
|
}
|
|
}
|
|
|
|
m_isInitialized = true;
|
|
}
|
|
|
|
{ // Update all dirty mipmap levels
|
|
const auto mipmapCount = textureMipmapObject->GetMipmapLevelCount();
|
|
GLenum glInternalFormat, glType, glFormat;
|
|
TextureImpl::GenerateTextureFormatInfo(textureMipmapObject->GetFormat(), &glInternalFormat,
|
|
&glFormat, &glType);
|
|
const auto& uploadTargets = textureMipmapObject->GetUploadTargets();
|
|
for (auto uploadTarget : uploadTargets) {
|
|
for (SizeT level = 0; level < mipmapCount; ++level) {
|
|
if (!textureMipmapObject->IsStorageDirty(uploadTarget, level)) {
|
|
continue;
|
|
}
|
|
|
|
auto byteSize = textureMipmapObject->GetMipmapByteSize(uploadTarget, level);
|
|
if (byteSize == 0) {
|
|
MGLOG_W("Mipmap level %d has no data, skipping update.", level);
|
|
continue;
|
|
}
|
|
|
|
if (level > 0)
|
|
MGLOG_D("%s: Updating dirty mip %d for texture ID %u, size: %dx%d, "
|
|
"byteSize: %d",
|
|
__func__, level, m_backendTextureId,
|
|
textureMipmapObject->GetMipmapTexelSize(uploadTarget, level).x(),
|
|
textureMipmapObject->GetMipmapTexelSize(uploadTarget, level).y(), byteSize);
|
|
|
|
auto glUploadTarget = MG_Util::ConvertTextureUploadTargetToGLEnum(uploadTarget);
|
|
MG_External::GLES::glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
|
|
errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
|
|
MGLOG_D("%s(%s:%d) ES error: %s", func, file, line,
|
|
MG_Util::ConvertGLEnumToString(err).c_str());
|
|
});
|
|
auto texelSize = textureMipmapObject->GetMipmapTexelSize(uploadTarget, level);
|
|
MG_External::GLES::glTexSubImage2D(glUploadTarget, static_cast<GLint>(level), 0, 0,
|
|
static_cast<GLsizei>(texelSize.x()),
|
|
static_cast<GLsizei>(texelSize.y()), glFormat, glType,
|
|
textureMipmapObject->MapMipmapData(uploadTarget, level));
|
|
textureMipmapObject->MarkStorageDirty(uploadTarget, level, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
textureMipmapObject->ClearAllStorageDirtyBit();
|
|
break;
|
|
}
|
|
case TextureStorageType::Buffer: {
|
|
auto* textureBufferObject =
|
|
static_cast<MG_State::GLState::TextureObjectBuffer*>(stateTextureObject.get());
|
|
auto& slot = textureBufferObject->GetBufferBindingSlot();
|
|
auto buffer = slot.GetBoundObject();
|
|
auto bufferIndex = buffer->GetExternalIndex();
|
|
currentTextureInfo.bufferExternalIndex = bufferIndex;
|
|
|
|
Bool needsRegeneration = !m_isInitialized || (currentTextureInfo != m_prevTextureInfo);
|
|
MGLOG_D("Texture state changed significantly or not initialized, regenerating texture (tex buffer) "
|
|
"with ID: %u",
|
|
m_backendTextureId);
|
|
|
|
// Need to sync texture buffer if not synced yet
|
|
auto& backendBuffers = BufferImpl::g_backendBufferObjects;
|
|
SharedPtr<BufferImpl::BackendBufferObject> backendBufferObject;
|
|
const auto& backendBufferIt = backendBuffers.find(buffer);
|
|
if (backendBufferIt == backendBuffers.end()) {
|
|
backendBufferObject = MakeShared<BufferImpl::BackendBufferObject>();
|
|
backendBuffers[buffer] = backendBufferObject;
|
|
} else {
|
|
backendBufferObject = backendBufferIt->second;
|
|
}
|
|
backendBufferObject->SyncToBackend(buffer);
|
|
|
|
// Bind buffer to texture
|
|
auto backendId = backendBufferObject->GetBackendBufferId();
|
|
|
|
GLenum glInternalFormat, glType, glFormat;
|
|
TextureImpl::GenerateTextureFormatInfo(textureBufferObject->GetFormat(), &glInternalFormat, &glFormat,
|
|
&glType);
|
|
|
|
MG_External::GLES::glTexBuffer(GL_TEXTURE_BUFFER, glInternalFormat, backendId);
|
|
|
|
textureBufferObject->ClearAllStorageDirtyBit();
|
|
break;
|
|
}
|
|
default:
|
|
THROW_UNIMPL_EXCEPTION;
|
|
}
|
|
|
|
errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
|
|
MGLOG_D("%s(%s:%d) ES error: %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
|
|
});
|
|
|
|
m_prevTextureInfo = currentTextureInfo;
|
|
}
|
|
|
|
void BackendTextureObject::SyncBuiltinSamplerToBackend(
|
|
SharedPtr<MG_State::GLState::ITextureObject>& stateTextureObject) {
|
|
#ifdef TRACY_ENABLE
|
|
ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
|
|
#endif
|
|
DebugImpl::ErrorLopper errorLopper;
|
|
if (!stateTextureObject) {
|
|
MGLOG_E("State texture object is null, cannot sync to backend.");
|
|
return;
|
|
}
|
|
|
|
Uint currentSamplerVersion = stateTextureObject->GetSamplerObject()->GetVersion();
|
|
if (m_syncedSamplerVersion == currentSamplerVersion) {
|
|
MGLOG_D("Sampler parameters have not changed for texture ID: %u, skipping sync.", m_backendTextureId);
|
|
return;
|
|
}
|
|
|
|
m_syncedSamplerVersion = currentSamplerVersion;
|
|
|
|
MGLOG_D("Syncing texture built-in sampler with backend ID %u to backend for state ID %u",
|
|
m_backendTextureId, stateTextureObject->GetExternalIndex());
|
|
|
|
GLenum target = MG_Util::ConvertTextureTargetToGLEnum(stateTextureObject->GetTarget());
|
|
auto targetInternal = stateTextureObject->GetTarget();
|
|
MGLOG_D(" Texture target for syncing is %s",
|
|
MG_Util::ConvertTextureTargetToString(targetInternal).c_str());
|
|
if (!IsSupportedTextureTarget(targetInternal)) {
|
|
MGLOG_E(" Texture target %s is not supported, skipping.",
|
|
MG_Util::ConvertTextureTargetToString(targetInternal).c_str());
|
|
return;
|
|
}
|
|
|
|
Bind(target);
|
|
errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
|
|
MGLOG_D("%s(%s:%d) ES error: %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
|
|
});
|
|
|
|
// Update built-in sampler parameters
|
|
MGLOG_D("Updating sampler parameters for texture with ID: %u", m_backendTextureId);
|
|
const auto& samplerParams = stateTextureObject->GetSamplerObject()->GetAllSamplerParameters();
|
|
|
|
#define SYNC_TEX_SAMPLER_PARAM_IF_CHANGED(internalName, glName, type) \
|
|
if (m_cacheSamplerParameters.internalName != samplerParams.internalName) { \
|
|
MG_External::GLES::glTexParameteri(target, glName, \
|
|
MG_Util::ConvertSampler##type##ToGLEnum(samplerParams.internalName)); \
|
|
m_cacheSamplerParameters.internalName = samplerParams.internalName; \
|
|
errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__, \
|
|
t = MG_Util::ConvertSampler##type##ToGLEnum(samplerParams.internalName)](GLenum err) { \
|
|
MGLOG_D("%s(%s:%d) ES error %s, GL_TEXTURE_MIN_FILTER = %s", func, file, line, \
|
|
MG_Util::ConvertGLEnumToString(err).c_str(), MG_Util::ConvertGLEnumToString(t).c_str()); \
|
|
}); \
|
|
}
|
|
|
|
if (m_cacheSamplerParameters.minFilter != samplerParams.minFilter ||
|
|
m_cacheSamplerParameters.mipmapMode != samplerParams.mipmapMode) {
|
|
MG_External::GLES::glTexParameteri(
|
|
target, GL_TEXTURE_MIN_FILTER,
|
|
MG_Util::ConvertSamplerFilterModeToGLEnum(samplerParams.minFilter, samplerParams.mipmapMode));
|
|
m_cacheSamplerParameters.minFilter = samplerParams.minFilter;
|
|
m_cacheSamplerParameters.mipmapMode = samplerParams.mipmapMode;
|
|
}
|
|
if (m_cacheSamplerParameters.magFilter != samplerParams.magFilter) {
|
|
MG_External::GLES::glTexParameteri(
|
|
target, GL_TEXTURE_MAG_FILTER,
|
|
MG_Util::ConvertSamplerFilterModeToGLEnum(samplerParams.magFilter, SamplerMipmapMode::None));
|
|
m_cacheSamplerParameters.magFilter = samplerParams.magFilter;
|
|
}
|
|
errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
|
|
MGLOG_D("%s(%s:%d) ES error %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
|
|
});
|
|
|
|
SYNC_TEX_SAMPLER_PARAM_IF_CHANGED(wrapS, GL_TEXTURE_WRAP_S, WrapMode)
|
|
SYNC_TEX_SAMPLER_PARAM_IF_CHANGED(wrapT, GL_TEXTURE_WRAP_T, WrapMode)
|
|
SYNC_TEX_SAMPLER_PARAM_IF_CHANGED(wrapR, GL_TEXTURE_WRAP_R, WrapMode)
|
|
SYNC_TEX_SAMPLER_PARAM_IF_CHANGED(compareFunc, GL_TEXTURE_COMPARE_FUNC, CompareFunc)
|
|
SYNC_TEX_SAMPLER_PARAM_IF_CHANGED(compareMode, GL_TEXTURE_COMPARE_MODE, CompareMode)
|
|
if (m_cacheSamplerParameters.minLod != samplerParams.minLod) {
|
|
MG_External::GLES::glTexParameterf(target, GL_TEXTURE_MIN_LOD, samplerParams.minLod);
|
|
m_cacheSamplerParameters.minLod = samplerParams.minLod;
|
|
}
|
|
if (m_cacheSamplerParameters.maxLod != samplerParams.maxLod) {
|
|
MG_External::GLES::glTexParameterf(target, GL_TEXTURE_MAX_LOD, samplerParams.maxLod);
|
|
m_cacheSamplerParameters.maxLod = samplerParams.maxLod;
|
|
}
|
|
errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
|
|
MGLOG_D("%s(%s:%d) ES error %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
|
|
});
|
|
#undef SYNC_TEX_SAMPLER_PARAM_IF_CHANGED
|
|
}
|
|
|
|
void BackendTextureObject::SyncTextureParamsToBackend(
|
|
SharedPtr<MG_State::GLState::ITextureObject>& stateTextureObject) {
|
|
#ifdef TRACY_ENABLE
|
|
ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
|
|
#endif
|
|
DebugImpl::ErrorLopper errorLopper;
|
|
if (!stateTextureObject) {
|
|
MGLOG_E("State texture object is null, cannot sync to backend.");
|
|
return;
|
|
}
|
|
|
|
Uint16 currentTextureParamsVersion = stateTextureObject->GetTextureParamsVersion();
|
|
if (m_syncedTextureParamsVersion == currentTextureParamsVersion) {
|
|
MGLOG_D("Texture parameters have not changed for texture ID: %u, skipping sync.", m_backendTextureId);
|
|
return;
|
|
}
|
|
m_syncedTextureParamsVersion = currentTextureParamsVersion;
|
|
|
|
MGLOG_D("Syncing texture params with backend ID %u to backend for state ID %u", m_backendTextureId,
|
|
stateTextureObject->GetExternalIndex());
|
|
|
|
GLenum target = MG_Util::ConvertTextureTargetToGLEnum(stateTextureObject->GetTarget());
|
|
auto targetInternal = stateTextureObject->GetTarget();
|
|
MGLOG_D(" Texture target for syncing is %s",
|
|
MG_Util::ConvertTextureTargetToString(targetInternal).c_str());
|
|
if (!IsSupportedTextureTarget(targetInternal)) {
|
|
MGLOG_E(" Texture target %s is not supported, skipping.",
|
|
MG_Util::ConvertTextureTargetToString(targetInternal).c_str());
|
|
return;
|
|
}
|
|
|
|
Bind(target);
|
|
errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
|
|
MGLOG_D("%s(%s:%d) ES error: %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
|
|
});
|
|
|
|
// Update texture parameters
|
|
MGLOG_D("Updating texture parameters for texture with ID: %u", m_backendTextureId);
|
|
|
|
const auto& levelRange = stateTextureObject->GetLevelRange();
|
|
|
|
if (m_cacheLodRange.x() != levelRange.x()) {
|
|
MG_External::GLES::glTexParameteri(target, GL_TEXTURE_BASE_LEVEL, static_cast<GLint>(levelRange.x()));
|
|
m_cacheLodRange.x() = levelRange.x();
|
|
}
|
|
errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
|
|
MGLOG_D("%s(%s:%d) ES error %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
|
|
});
|
|
if (m_cacheLodRange.y() != levelRange.y()) {
|
|
MG_External::GLES::glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, static_cast<GLint>(levelRange.y()));
|
|
m_cacheLodRange.y() = levelRange.y();
|
|
}
|
|
errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
|
|
MGLOG_D("%s(%s:%d) ES error %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
|
|
});
|
|
|
|
const auto& swizzleParams = stateTextureObject->GetAllSwizzleParams();
|
|
if (swizzleParams != m_cacheSwizzleParams) {
|
|
#define SYNC_TEX_SWIZZLE_PARAM_IF_CHANGED(func, glEnum) \
|
|
if (m_cacheSwizzleParams.func != swizzleParams.func) { \
|
|
MG_External::GLES::glTexParameteri(target, glEnum, \
|
|
MG_Util::ConvertTextureSwizzleParamToGLEnum(swizzleParams.func)); \
|
|
m_cacheSwizzleParams.func = swizzleParams.func; \
|
|
}
|
|
SYNC_TEX_SWIZZLE_PARAM_IF_CHANGED(r(), GL_TEXTURE_SWIZZLE_R);
|
|
SYNC_TEX_SWIZZLE_PARAM_IF_CHANGED(g(), GL_TEXTURE_SWIZZLE_G);
|
|
SYNC_TEX_SWIZZLE_PARAM_IF_CHANGED(b(), GL_TEXTURE_SWIZZLE_B);
|
|
SYNC_TEX_SWIZZLE_PARAM_IF_CHANGED(a(), GL_TEXTURE_SWIZZLE_A);
|
|
#undef SYNC_TEX_SWIZZLE_PARAM_IF_CHANGED
|
|
m_cacheSwizzleParams = swizzleParams;
|
|
errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
|
|
MGLOG_D("%s(%s:%d) ES error %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
|
|
});
|
|
}
|
|
|
|
if (m_cacheBorderColor != stateTextureObject->GetBorderColor()) {
|
|
const auto& borderColor = stateTextureObject->GetBorderColor();
|
|
GLfloat borderColorArray[4] = {borderColor.x(), borderColor.y(), borderColor.z(), borderColor.w()};
|
|
MG_External::GLES::glTexParameterfv(target, GL_TEXTURE_BORDER_COLOR, borderColorArray);
|
|
m_cacheBorderColor = borderColor;
|
|
errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
|
|
MGLOG_D("%s(%s:%d) ES error %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
|
|
});
|
|
}
|
|
}
|
|
|
|
void ActivateTextureUnit(Uint unit) {
|
|
if (unit == g_activeTextureUnit) {
|
|
return;
|
|
}
|
|
MG_External::GLES::glActiveTexture(GL_TEXTURE0 + unit);
|
|
g_activeTextureUnit = unit;
|
|
}
|
|
|
|
void UnbindTexture(Uint unit, GLenum target) { // Active unit will be modified
|
|
auto targetN = static_cast<SizeT>(MG_Util::ConvertGLEnumToTextureTarget(target));
|
|
if (g_boundTexturesCache[unit][targetN] == nullptr) return;
|
|
|
|
ActivateTextureUnit(unit);
|
|
MG_External::GLES::glBindTexture(target, 0);
|
|
g_boundTexturesCache[unit][targetN] = nullptr;
|
|
}
|
|
|
|
Uint g_activeTextureUnit = 0;
|
|
Array<Array<BackendTextureObject*, (SizeT)TextureTarget::TextureTargetCount>,
|
|
MG_State::GLState::TextureState::MAX_TEXTURE_IMAGE_UNITS>
|
|
g_boundTexturesCache;
|
|
UnorderedMap<SharedPtr<MG_State::GLState::ITextureObject>, SharedPtr<BackendTextureObject>>
|
|
g_backendTextureObjects;
|
|
} // namespace TextureImpl
|
|
|
|
namespace FramebufferImpl {
|
|
BackendFramebufferObject::BackendFramebufferObject() {
|
|
#ifdef TRACY_ENABLE
|
|
ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
|
|
#endif
|
|
MG_External::GLES::glGenFramebuffers(1, &m_backendFBOId);
|
|
if (m_backendFBOId == 0) {
|
|
MGLOG_E("Failed to generate framebuffer object.");
|
|
MGLOG_E("ES glGetError(): %s", MG_Util::ConvertGLEnumToString(MG_External::GLES::glGetError()).c_str());
|
|
} else {
|
|
MGLOG_D("Generated framebuffer object with ID: %u.", m_backendFBOId);
|
|
}
|
|
}
|
|
|
|
void BackendFramebufferObject::Bind(FramebufferTarget target) {
|
|
#ifdef TRACY_ENABLE
|
|
ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
|
|
#endif
|
|
if (target == FramebufferTarget::Read)
|
|
MG_External::GLES::glBindFramebuffer(GL_READ_FRAMEBUFFER, m_backendFBOId);
|
|
else
|
|
MG_External::GLES::glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_backendFBOId);
|
|
}
|
|
|
|
Bool BackendFramebufferObject::SyncAttachmentObject(
|
|
GLenum glFBOTarget, const MG_State::GLState::FramebufferAttachmentObject& attachmentObject,
|
|
GLenum glBackendAttachment) {
|
|
if (attachmentObject.IsTexture()) {
|
|
const auto& textureObject = attachmentObject.GetTexture();
|
|
const auto& backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject);
|
|
if (backendTextureIt == TextureImpl::g_backendTextureObjects.end()) {
|
|
MGLOG_E("ReadBuffer: No backend texture found for FBO attachment, cannot bind texture.");
|
|
return false;
|
|
}
|
|
const auto& backendTextureObject = backendTextureIt->second;
|
|
auto glTextureTarget = MG_Util::ConvertTextureTargetToGLEnum(textureObject->GetTarget());
|
|
backendTextureObject->Bind(glTextureTarget);
|
|
MG_External::GLES::glFramebufferTexture2D(glFBOTarget, glBackendAttachment, glTextureTarget,
|
|
backendTextureObject->GetBackendTextureId(),
|
|
static_cast<GLint>(attachmentObject.GetTextureLevel()));
|
|
} else if (attachmentObject.IsRenderbuffer()) {
|
|
const auto& renderbufferObject = attachmentObject.GetRenderbuffer();
|
|
const auto& backendRenderbufferIt =
|
|
RenderbufferImpl::g_backendRenderbufferObjects.find(renderbufferObject);
|
|
SharedPtr<RenderbufferImpl::BackendRenderbufferObject> backendRenderbufferObject;
|
|
if (backendRenderbufferIt == RenderbufferImpl::g_backendRenderbufferObjects.end()) {
|
|
backendRenderbufferObject = MakeShared<RenderbufferImpl::BackendRenderbufferObject>();
|
|
RenderbufferImpl::g_backendRenderbufferObjects[renderbufferObject] = backendRenderbufferObject;
|
|
} else {
|
|
backendRenderbufferObject = backendRenderbufferIt->second;
|
|
}
|
|
|
|
backendRenderbufferObject->SyncToBackend(renderbufferObject);
|
|
backendRenderbufferObject->Bind();
|
|
MG_External::GLES::glFramebufferRenderbuffer(glFBOTarget, glBackendAttachment, GL_RENDERBUFFER,
|
|
backendRenderbufferObject->GetBackendRenderbufferId());
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void BackendFramebufferObject::SyncToBackend(SharedPtr<MG_State::GLState::FramebufferObject>& stateFBOObject,
|
|
FramebufferTarget asTarget) {
|
|
#ifdef TRACY_ENABLE
|
|
ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
|
|
#endif
|
|
if (!stateFBOObject) {
|
|
MGLOG_E("State FBO object is null, cannot sync to backend.");
|
|
return;
|
|
}
|
|
MGLOG_D("Syncing FBO with backend ID %u to backend for state ID %u, as %s FBO", m_backendFBOId,
|
|
stateFBOObject->GetExternalIndex(), (asTarget == FramebufferTarget::Draw ? "DRAW" : "READ"));
|
|
GLenum glFBOTarget = MG_Util::ConvertFramebufferTargetToGLEnum(asTarget);
|
|
Bind(asTarget);
|
|
|
|
FramebufferAttachmentType* frontendAttachmentToSync = nullptr;
|
|
GLenum* backendAttachmentToSync = nullptr;
|
|
Int frontendAttachmentToSyncCount = 0;
|
|
switch (asTarget) {
|
|
case FramebufferTarget::Draw: {
|
|
auto &stateDrawBuffers = stateFBOObject->GetDrawBuffers();
|
|
|
|
// Check if still clean, skip if clean
|
|
if (memcmp(m_frontendDrawBuffers,
|
|
stateDrawBuffers.data(),
|
|
FramebufferObject::MAX_DRAW_BUFFERS * sizeof(FramebufferAttachmentType)) == 0) {
|
|
break;
|
|
}
|
|
|
|
// Create mappings for draw buffers
|
|
int nBuffers = 0;
|
|
std::fill(m_frontendDrawBuffers,
|
|
m_frontendDrawBuffers + FramebufferObject::MAX_DRAW_BUFFERS,
|
|
FramebufferAttachmentType::None);
|
|
std::fill(m_compactedFrontendDrawBuffers,
|
|
m_compactedFrontendDrawBuffers + FramebufferObject::MAX_DRAW_BUFFERS,
|
|
FramebufferAttachmentType::None);
|
|
std::fill(m_backendDrawBuffers,
|
|
m_backendDrawBuffers + FramebufferObject::MAX_DRAW_BUFFERS, GL_NONE);
|
|
for (GLint i = 0; i < FramebufferObject::MAX_DRAW_BUFFERS; ++i) {
|
|
if (stateDrawBuffers[i] == FramebufferAttachmentType::None) {
|
|
m_frontendDrawBuffers[i] = FramebufferAttachmentType::None;
|
|
continue;
|
|
}
|
|
|
|
m_frontendDrawBuffers[i] = stateDrawBuffers[i];
|
|
|
|
// Create compacted mapping
|
|
m_backendDrawBuffers[nBuffers] = GL_COLOR_ATTACHMENT0 + nBuffers;
|
|
m_compactedFrontendDrawBuffers[nBuffers] = m_frontendDrawBuffers[i];
|
|
nBuffers++;
|
|
}
|
|
MG_External::GLES::glDrawBuffers(nBuffers, m_backendDrawBuffers);
|
|
|
|
frontendAttachmentToSync = m_compactedFrontendDrawBuffers;
|
|
backendAttachmentToSync = m_backendDrawBuffers;
|
|
frontendAttachmentToSyncCount = nBuffers;
|
|
|
|
break;
|
|
}
|
|
case FramebufferTarget::Read: {
|
|
auto frontendReadBuf = stateFBOObject->GetReadBuffer();
|
|
if (frontendReadBuf == m_frontendReadBuffer)
|
|
break;
|
|
m_frontendReadBuffer = frontendReadBuf;
|
|
|
|
// For consistency, we need to find the compacted attachment index of this read buffer
|
|
auto it = std::find(
|
|
m_compactedFrontendDrawBuffers,
|
|
m_compactedFrontendDrawBuffers + FramebufferObject::MAX_DRAW_BUFFERS,
|
|
frontendReadBuf);
|
|
|
|
Bool notFound = (it == m_compactedFrontendDrawBuffers + FramebufferObject::MAX_DRAW_BUFFERS);
|
|
if (notFound) {
|
|
MGLOG_D("%s: read buffer not found in draw buffer, use as in frontend", __func__);
|
|
}
|
|
auto backendReadBuffer = notFound ? frontendReadBuf : *it;
|
|
GLenum glBackendReadBuffer = MG_Util::ConvertFramebufferAttachmentTypeToGLEnum(backendReadBuffer);
|
|
if (m_backendReadBuffer == glBackendReadBuffer)
|
|
break;
|
|
m_backendReadBuffer = glBackendReadBuffer;
|
|
MG_External::GLES::glReadBuffer(glBackendReadBuffer);
|
|
|
|
frontendAttachmentToSync = &m_frontendReadBuffer;
|
|
backendAttachmentToSync = &m_backendReadBuffer;
|
|
frontendAttachmentToSyncCount = 1;
|
|
|
|
break;
|
|
}
|
|
default:
|
|
MOBILEGL_ASSERT(false, "%s: Unreachable!", __func__);
|
|
return;
|
|
}
|
|
|
|
// Sync texture/buffer to attachment
|
|
const auto& attachmentObjects = stateFBOObject->GetAllAttachmentObjects();
|
|
auto& attachmentVersions = stateFBOObject->GetAllFramebufferAttachmentVersions();
|
|
for (Int i = 0; i < frontendAttachmentToSyncCount; ++i) {
|
|
auto frontendAttachment = frontendAttachmentToSync[i];
|
|
if (attachmentVersions[(SizeT)frontendAttachment] == m_syncedAttachmentVersions[(SizeT)frontendAttachment]) {
|
|
continue;
|
|
}
|
|
m_syncedAttachmentVersions[(SizeT)frontendAttachment] = attachmentVersions[(SizeT)frontendAttachment];
|
|
|
|
const auto& attachmentObject = stateFBOObject->GetAttachment(frontendAttachment);
|
|
if (!attachmentObject.IsValid() || attachmentObject.IsEmpty()) {
|
|
continue;
|
|
}
|
|
auto glBackendAttachment = backendAttachmentToSync[i];
|
|
SyncAttachmentObject(glFBOTarget, attachmentObject, glBackendAttachment);
|
|
}
|
|
|
|
FramebufferAttachmentType auxAtt[] = { FramebufferAttachmentType::Depth, FramebufferAttachmentType::Stencil };
|
|
for (auto & att : auxAtt) {
|
|
auto frontendAttachment = att;
|
|
if (attachmentVersions[(SizeT)frontendAttachment] == m_syncedAttachmentVersions[(SizeT)frontendAttachment]) {
|
|
continue;
|
|
}
|
|
m_syncedAttachmentVersions[(SizeT)frontendAttachment] = attachmentVersions[(SizeT)frontendAttachment];
|
|
|
|
const auto& attachmentObject = stateFBOObject->GetAttachment(frontendAttachment);
|
|
if (!attachmentObject.IsValid() || attachmentObject.IsEmpty()) {
|
|
continue;
|
|
}
|
|
auto glBackendAttachment = MG_Util::ConvertFramebufferAttachmentTypeToGLEnum(att);
|
|
SyncAttachmentObject(glFBOTarget, attachmentObject, glBackendAttachment);
|
|
}
|
|
}
|
|
|
|
FramebufferAttachmentType BackendFramebufferObject::GetCompactedAttachmentTypeAtDrawBufferIndex(Int index) {
|
|
return m_compactedFrontendDrawBuffers[index];
|
|
}
|
|
|
|
UnorderedMap<SharedPtr<MG_State::GLState::FramebufferObject>, SharedPtr<BackendFramebufferObject>>
|
|
g_backendFramebufferObjects;
|
|
Array<Uint16, SizeT(FramebufferTarget::FramebufferTargetCount)> g_fboBindVersions = {0};
|
|
} // namespace FramebufferImpl
|
|
|
|
namespace PrgramImpl {
|
|
UnorderedMap<SharedPtr<MG_State::GLState::ProgramObject>, SharedPtr<BackendProgramObjectImpl>>
|
|
g_backendProgramObjects;
|
|
|
|
BackendProgramObjectImpl::BackendProgramObjectImpl() {
|
|
#ifdef TRACY_ENABLE
|
|
ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
|
|
#endif
|
|
m_backendProgramId = MG_External::GLES::glCreateProgram();
|
|
if (m_backendProgramId == 0) {
|
|
MGLOG_E("Failed to create program object in backend.");
|
|
MGLOG_E("ES glGetError(): %s", MG_Util::ConvertGLEnumToString(MG_External::GLES::glGetError()).c_str());
|
|
|
|
} else {
|
|
MGLOG_D("Created backend program object with ID: %u", m_backendProgramId);
|
|
}
|
|
}
|
|
|
|
BackendProgramObjectImpl::~BackendProgramObjectImpl() {
|
|
#ifdef TRACY_ENABLE
|
|
ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
|
|
#endif
|
|
if (m_backendProgramId != 0) {
|
|
MGLOG_D("Deleting backend program object with ID: %u", m_backendProgramId);
|
|
MG_External::GLES::glDeleteProgram(m_backendProgramId);
|
|
}
|
|
}
|
|
|
|
void BackendProgramObjectImpl::SyncToBackend(SharedPtr<MG_State::GLState::ProgramObject>& stateProgramObject) {
|
|
#ifdef TRACY_ENABLE
|
|
ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
|
|
#endif
|
|
if (!stateProgramObject) {
|
|
MGLOG_E("State program object is null, skipping backend sync.");
|
|
return;
|
|
}
|
|
|
|
if (!stateProgramObject->GetLinkStatus()) {
|
|
MGLOG_E("Program object is not linked, skipping backend sync. State program ID: %u",
|
|
stateProgramObject->GetExternalIndex());
|
|
return;
|
|
}
|
|
|
|
MGLOG_D("Syncing program to backend. State program ID: %u, Backend ID: %u",
|
|
stateProgramObject->GetExternalIndex(), m_backendProgramId);
|
|
|
|
// Detach all existing shaders
|
|
GLint attachedCount = 0;
|
|
MG_External::GLES::glGetProgramiv(m_backendProgramId, GL_ATTACHED_SHADERS, &attachedCount);
|
|
MGLOG_D("Currently attached shaders count: %d", attachedCount);
|
|
|
|
if (attachedCount > 0) {
|
|
Vector<GLuint> attachedShaders(attachedCount);
|
|
GLsizei actualCount;
|
|
MG_External::GLES::glGetAttachedShaders(m_backendProgramId, attachedCount, &actualCount,
|
|
attachedShaders.data());
|
|
MGLOG_D("Detaching %d existing shaders from program %u", actualCount, m_backendProgramId);
|
|
|
|
for (GLsizei i = 0; i < actualCount; ++i) {
|
|
MGLOG_D("Detaching shader ID: %u from program %u", attachedShaders[i], m_backendProgramId);
|
|
MG_External::GLES::glDetachShader(m_backendProgramId, attachedShaders[i]);
|
|
}
|
|
}
|
|
|
|
// Attach current shaders
|
|
auto& attachedShaders = stateProgramObject->GetAttachedShaders();
|
|
MGLOG_D("Attaching %zu shaders to program %u", attachedShaders.size(), m_backendProgramId);
|
|
for (auto& shader : attachedShaders) {
|
|
const auto& src = shader->GetShaderSource();
|
|
const auto& stage =
|
|
MG_Util::ConvertGLEnumToString(MG_Util::ConvertShaderStageToGLEnum(shader->GetShaderStage()));
|
|
MGLOG_D("Original src @ %s: \n", stage.c_str());
|
|
MGLOG_D("%s:", src.empty() ? "" : src.c_str());
|
|
}
|
|
auto& shaderSpirvs = stateProgramObject->GetGeneratedSpirv();
|
|
|
|
for (int index = 0; index < attachedShaders.size(); ++index) {
|
|
auto& shader = attachedShaders[index];
|
|
GLenum glShaderType = MG_Util::ConvertShaderStageToGLEnum(shader->GetShaderStage());
|
|
GLuint backendShaderId = MG_External::GLES::glCreateShader(glShaderType);
|
|
|
|
if (backendShaderId == 0) {
|
|
MGLOG_E("Failed to create backend shader for attachment.");
|
|
continue;
|
|
}
|
|
String source;
|
|
auto& spirvCode = shaderSpirvs[index];
|
|
|
|
MG_Util::ShaderTranspiler::SpvcSession spvcSession(spirvCode);
|
|
|
|
spvc_compiler_options options;
|
|
spvcSession.CreateOptions(&options);
|
|
|
|
// TODO: check ESSL version supported by backend driver
|
|
spvc_compiler_options_set_uint(options, SPVC_COMPILER_OPTION_GLSL_VERSION, 320);
|
|
spvc_compiler_options_set_bool(options, SPVC_COMPILER_OPTION_GLSL_ES, SPVC_TRUE);
|
|
spvc_compiler_options_set_bool(options, SPVC_COMPILER_OPTION_GLSL_VULKAN_SEMANTICS, SPVC_FALSE);
|
|
|
|
spvcSession.SetOptions(options);
|
|
|
|
const char* result = nullptr;
|
|
spvcSession.Compile(&result);
|
|
|
|
if (!result) {
|
|
MG_Util::ShaderTranspiler::ResultInfo r;
|
|
r.log += "Failed to compile the shader to GLSL: \n";
|
|
r.log += spvcSession.GetLastErrorString();
|
|
r.errc = -5;
|
|
MGLOG_E("%s", r.log.c_str());
|
|
continue;
|
|
}
|
|
|
|
source = result;
|
|
|
|
source = RemoveLayoutBinding(source);
|
|
source = ProcessOutColorLocations(source);
|
|
source = ForceSupporterOutput(source);
|
|
|
|
// Patch for Photon compiler precision issue
|
|
String findStr = "1000000.0";
|
|
String replaceStr = "65500.0";
|
|
auto pos = source.find(findStr);
|
|
while (pos != String::npos) {
|
|
MGLOG_D("Applying patch #2 to Photon...");
|
|
source.replace(pos, findStr.length(), replaceStr);
|
|
pos = source.find(findStr, pos);
|
|
}
|
|
|
|
const char* sourceCStr = source.c_str();
|
|
MGLOG_D("Setting shader source for backend shader ID: %u\nsrc:\n%s", backendShaderId, sourceCStr);
|
|
MG_External::GLES::glShaderSource(backendShaderId, 1, &sourceCStr, nullptr);
|
|
MG_External::GLES::glCompileShader(backendShaderId);
|
|
|
|
GLint compileStatus;
|
|
MG_External::GLES::glGetShaderiv(backendShaderId, GL_COMPILE_STATUS, &compileStatus);
|
|
if (compileStatus == GL_FALSE) {
|
|
GLint logLength;
|
|
MG_External::GLES::glGetShaderiv(backendShaderId, GL_INFO_LOG_LENGTH, &logLength);
|
|
Vector<GLchar> log(logLength);
|
|
MG_External::GLES::glGetShaderInfoLog(backendShaderId, logLength, nullptr, log.data());
|
|
MGLOG_E("Shader compilation failed for backend ID %u: %s", backendShaderId, log.data());
|
|
continue;
|
|
}
|
|
|
|
MGLOG_D("Attaching shader ID: %u to program %u", backendShaderId, m_backendProgramId);
|
|
MG_External::GLES::glAttachShader(m_backendProgramId, backendShaderId);
|
|
|
|
MGLOG_D("Processed shader source length: %zu", source.length());
|
|
}
|
|
|
|
// Link program
|
|
MGLOG_D("Linking program %u", m_backendProgramId);
|
|
MG_External::GLES::glLinkProgram(m_backendProgramId);
|
|
|
|
GLint linkStatus;
|
|
MG_External::GLES::glGetProgramiv(m_backendProgramId, GL_LINK_STATUS, &linkStatus);
|
|
if (linkStatus != GL_TRUE) {
|
|
GLint logLength;
|
|
MG_External::GLES::glGetProgramiv(m_backendProgramId, GL_INFO_LOG_LENGTH, &logLength);
|
|
Vector<GLchar> log(logLength);
|
|
MG_External::GLES::glGetProgramInfoLog(m_backendProgramId, logLength, nullptr, log.data());
|
|
MGLOG_E("Program %u linking failed for %u: %s", stateProgramObject->GetExternalIndex(),
|
|
m_backendProgramId, log.data());
|
|
} else {
|
|
MGLOG_D("Program linked successfully. ID: %u", m_backendProgramId);
|
|
}
|
|
|
|
// Create global UBO
|
|
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);
|
|
}
|
|
|
|
void BackendProgramObjectImpl::Use() {
|
|
#ifdef TRACY_ENABLE
|
|
ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
|
|
#endif
|
|
MGLOG_D("Using program %u", m_backendProgramId);
|
|
MG_External::GLES::glUseProgram(m_backendProgramId);
|
|
}
|
|
} // namespace PrgramImpl
|
|
|
|
namespace SamplerImpl {
|
|
BackendSamplerObject::BackendSamplerObject() {
|
|
#ifdef TRACY_ENABLE
|
|
ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
|
|
#endif
|
|
MG_External::GLES::glGenSamplers(1, &m_backendSamplerId);
|
|
if (m_backendSamplerId == 0) {
|
|
MGLOG_E("Failed to generate sampler object.");
|
|
MGLOG_E("ES glGetError(): %s", MG_Util::ConvertGLEnumToString(MG_External::GLES::glGetError()).c_str());
|
|
} else {
|
|
MGLOG_D("Generated sampler object with ID: %u.", m_backendSamplerId);
|
|
}
|
|
}
|
|
|
|
void BackendSamplerObject::SyncToBackend(SharedPtr<MG_State::GLState::SamplerObject>& stateSamplerObject) {
|
|
#ifdef TRACY_ENABLE
|
|
ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
|
|
#endif
|
|
if (!stateSamplerObject) {
|
|
MGLOG_E("State sampler object is null, cannot sync to backend.");
|
|
return;
|
|
}
|
|
|
|
Uint currentSamplerVersion = stateSamplerObject->GetVersion();
|
|
if (m_isInitialized && m_syncedSamplerVersion == currentSamplerVersion) {
|
|
MGLOG_D("Sampler parameters have not changed for sampler ID: %u, skipping sync.",
|
|
stateSamplerObject->GetExternalIndex());
|
|
return;
|
|
}
|
|
|
|
m_syncedSamplerVersion = currentSamplerVersion;
|
|
|
|
MGLOG_D("Syncing sampler with backend ID %u to backend for state ID %u", m_backendSamplerId,
|
|
stateSamplerObject->GetExternalIndex());
|
|
|
|
const auto& samplerParams = stateSamplerObject->GetAllSamplerParameters();
|
|
|
|
#define SYNC_SAMPLER_PARAM_IF_CHANGED(internalName, glName, type) \
|
|
if (m_cacheSamplerParameters.internalName != samplerParams.internalName) { \
|
|
MG_External::GLES::glSamplerParameteri(m_backendSamplerId, glName, \
|
|
MG_Util::ConvertSampler##type##ToGLEnum(samplerParams.internalName)); \
|
|
m_cacheSamplerParameters.internalName = samplerParams.internalName; \
|
|
}
|
|
|
|
if (m_cacheSamplerParameters.minFilter != samplerParams.minFilter ||
|
|
m_cacheSamplerParameters.mipmapMode != samplerParams.mipmapMode) {
|
|
MG_External::GLES::glSamplerParameteri(
|
|
m_backendSamplerId, GL_TEXTURE_MIN_FILTER,
|
|
MG_Util::ConvertSamplerFilterModeToGLEnum(samplerParams.minFilter, samplerParams.mipmapMode));
|
|
m_cacheSamplerParameters.minFilter = samplerParams.minFilter;
|
|
m_cacheSamplerParameters.mipmapMode = samplerParams.mipmapMode;
|
|
}
|
|
if (m_cacheSamplerParameters.magFilter != samplerParams.magFilter) {
|
|
MG_External::GLES::glSamplerParameteri(
|
|
m_backendSamplerId, GL_TEXTURE_MAG_FILTER,
|
|
MG_Util::ConvertSamplerFilterModeToGLEnum(samplerParams.magFilter, SamplerMipmapMode::None));
|
|
m_cacheSamplerParameters.magFilter = samplerParams.magFilter;
|
|
}
|
|
|
|
SYNC_SAMPLER_PARAM_IF_CHANGED(wrapS, GL_TEXTURE_WRAP_S, WrapMode)
|
|
SYNC_SAMPLER_PARAM_IF_CHANGED(wrapT, GL_TEXTURE_WRAP_T, WrapMode)
|
|
SYNC_SAMPLER_PARAM_IF_CHANGED(wrapR, GL_TEXTURE_WRAP_R, WrapMode)
|
|
SYNC_SAMPLER_PARAM_IF_CHANGED(compareFunc, GL_TEXTURE_COMPARE_FUNC, CompareFunc)
|
|
SYNC_SAMPLER_PARAM_IF_CHANGED(compareMode, GL_TEXTURE_COMPARE_MODE, CompareMode)
|
|
if (m_cacheSamplerParameters.minLod != samplerParams.minLod) {
|
|
MG_External::GLES::glSamplerParameterf(m_backendSamplerId, GL_TEXTURE_MIN_LOD, samplerParams.minLod);
|
|
m_cacheSamplerParameters.minLod = samplerParams.minLod;
|
|
}
|
|
if (m_cacheSamplerParameters.maxLod != samplerParams.maxLod) {
|
|
MG_External::GLES::glSamplerParameterf(m_backendSamplerId, GL_TEXTURE_MAX_LOD, samplerParams.maxLod);
|
|
m_cacheSamplerParameters.maxLod = samplerParams.maxLod;
|
|
}
|
|
#undef SYNC_SAMPLER_PARAM_IF_CHANGED
|
|
m_isInitialized = true;
|
|
}
|
|
|
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void BackendSamplerObject::Bind(Uint unit) {
|
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#ifdef TRACY_ENABLE
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ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
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|
#endif
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|
if (g_boundSamplersCache[unit] == this) return;
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|
|
|
MG_External::GLES::glBindSampler(static_cast<GLenum>(unit), m_backendSamplerId);
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|
g_boundSamplersCache[unit] = this;
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|
}
|
|
|
|
Uint BackendSamplerObject::GetBackendSamplerId() {
|
|
#ifdef TRACY_ENABLE
|
|
ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
|
|
#endif
|
|
return m_backendSamplerId;
|
|
}
|
|
|
|
void UnbindSampler(Uint unit) {
|
|
if (g_boundSamplersCache[unit] == nullptr) return;
|
|
|
|
MG_External::GLES::glBindSampler(static_cast<GLenum>(unit), 0);
|
|
g_boundSamplersCache[unit] = nullptr;
|
|
}
|
|
|
|
Array<BackendSamplerObject*, MG_State::GLState::TextureState::MAX_TEXTURE_IMAGE_UNITS> g_boundSamplersCache;
|
|
UnorderedMap<SharedPtr<MG_State::GLState::SamplerObject>, SharedPtr<BackendSamplerObject>>
|
|
g_backendSamplerObjects;
|
|
} // namespace SamplerImpl
|
|
|
|
namespace RenderbufferImpl {
|
|
BackendRenderbufferObject::BackendRenderbufferObject() {
|
|
#ifdef TRACY_ENABLE
|
|
ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
|
|
#endif
|
|
MG_External::GLES::glGenRenderbuffers(1, &m_backendRBOId);
|
|
if (m_backendRBOId == 0) {
|
|
MGLOG_E("Failed to generate renderbuffer object.");
|
|
MGLOG_E("ES glGetError(): %s", MG_Util::ConvertGLEnumToString(MG_External::GLES::glGetError()).c_str());
|
|
}
|
|
}
|
|
|
|
void BackendRenderbufferObject::Bind() {
|
|
#ifdef TRACY_ENABLE
|
|
ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
|
|
#endif
|
|
MG_External::GLES::glBindRenderbuffer(GL_RENDERBUFFER, m_backendRBOId);
|
|
}
|
|
|
|
void BackendRenderbufferObject::SyncToBackend(
|
|
const SharedPtr<MG_State::GLState::RenderbufferObject>& stateRBOObject) {
|
|
#ifdef TRACY_ENABLE
|
|
ZoneScopedC(TRACY_ZONECOLOR_BACKEND);
|
|
#endif
|
|
if (!stateRBOObject) {
|
|
MGLOG_E("State RBO object is null, cannot sync to backend.");
|
|
return;
|
|
}
|
|
|
|
MGLOG_D("Syncing RBO with backend ID %u to backend for state ID %u", m_backendRBOId,
|
|
stateRBOObject->GetExternalIndex());
|
|
|
|
if (m_isInitialized && m_cacheInternalFormat == stateRBOObject->GetInternalFormat() &&
|
|
m_cacheWidth == stateRBOObject->GetWidth() && m_cacheHeight == stateRBOObject->GetHeight()) {
|
|
MGLOG_D("RBO %u already initialized with matching parameters, skipping re-allocation.",
|
|
stateRBOObject->GetExternalIndex());
|
|
return;
|
|
}
|
|
|
|
Bind();
|
|
|
|
// Allocate storage
|
|
TextureInternalFormat internalFormat = stateRBOObject->GetInternalFormat();
|
|
Int width = static_cast<Int>(stateRBOObject->GetWidth());
|
|
Int height = static_cast<Int>(stateRBOObject->GetHeight());
|
|
GLenum glInternalFormat, glType, glFormat;
|
|
TextureImpl::GenerateTextureFormatInfo(internalFormat, &glInternalFormat, &glFormat, &glType);
|
|
|
|
MG_External::GLES::glRenderbufferStorage(GL_RENDERBUFFER, glInternalFormat, static_cast<GLsizei>(width),
|
|
static_cast<GLsizei>(height));
|
|
|
|
m_cacheInternalFormat = internalFormat;
|
|
m_cacheWidth = width;
|
|
m_cacheHeight = height;
|
|
|
|
m_isInitialized = true;
|
|
MGLOG_D("RBO %u sync completed. backend ID %u", stateRBOObject->GetExternalIndex(), m_backendRBOId);
|
|
}
|
|
|
|
UnorderedMap<SharedPtr<MG_State::GLState::RenderbufferObject>, SharedPtr<BackendRenderbufferObject>>
|
|
g_backendRenderbufferObjects;
|
|
} // namespace RenderbufferImpl
|
|
|
|
namespace Utils {} // namespace Utils
|
|
} // namespace MobileGL::MG_Backend::DirectGLES
|