mirror of
https://github.com/MobileGL-Dev/MobileGL
synced 2026-09-08 04:08:32 +09:00
860 lines
48 KiB
C++
860 lines
48 KiB
C++
#include "Managers.h"
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#include "MG_Backend/Backends.h"
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#include "MG_Util/Types.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/MGToStr/TextureEnumConverter.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/TextureEnumConverter.h>
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#include <MG_Util/Converters/MGToGL/ProgramEnumConverter.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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namespace BufferImpl {
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BackendBufferObject::BackendBufferObject() {
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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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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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Bool needsRegeneration =
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!m_isInitialized || bufferSize > m_prevBufferSize || bufferSize < m_prevBufferSize / 2;
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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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return;
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}
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switch (stateBufferObject->GetUsage()) {
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case BufferUsage::StaticDraw:
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SyncToBackend_glBufferSubData(stateBufferObject);
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break;
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case BufferUsage::DynamicDraw:
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case BufferUsage::StreamDraw:
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SyncToBackend_glMapBufferRange(stateBufferObject);
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break;
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default:
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SyncToBackend_glBufferSubData(stateBufferObject);
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break;
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}
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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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BackendBufferBindingProtector backendBufferBindingProtector(TempBufferTarget);
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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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stateBufferObject->ClearDirty();
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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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BackendBufferBindingProtector backendBufferBindingProtector(TempBufferTarget);
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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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const auto& range = stateBufferObject->GetDirtyRange();
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if (range.end == 0) {
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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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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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void BackendBufferObject::SyncToBackend_glMapBufferRange(
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SharedPtr<MG_State::GLState::BufferObject>& stateBufferObject, Bool invalidate) {
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BackendBufferBindingProtector backendBufferBindingProtector(TempBufferTarget);
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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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const auto& range = stateBufferObject->GetDirtyRange();
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if (range.end == 0) {
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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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MG_External::GLES::glBindBuffer(TempBufferTarget, m_backendBufferId);
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void* mappedData =
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MG_External::GLES::glMapBufferRange(TempBufferTarget, range.start, range.end - range.start,
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(invalidate ? GL_MAP_INVALIDATE_BUFFER_BIT : 0) | GL_MAP_WRITE_BIT);
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const void* data = stateBufferObject->GetDataReadOnly()->data();
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if (mappedData) {
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Memcpy(mappedData, ((const char*)(data) + range.start), range.end - range.start);
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MGLOG_D("Mapped buffer data successfully for object with ID: %u", m_backendBufferId);
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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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void BackendBufferObject::Bind() {
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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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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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} // namespace BufferImpl
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namespace VertexArrayImpl {
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BackendVertexArrayObject::BackendVertexArrayObject() {
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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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MG_External::GLES::glBindVertexArray(m_backendVAOId);
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}
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void BackendVertexArrayObject::SyncToBackend(SharedPtr<MG_State::GLState::VertexArrayObject>& stateVAOObject) {
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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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BufferImpl::BackendBufferBindingProtector backendBufferBindingProtector(BufferImpl::TempBufferTarget);
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BackendVertexArrayBindingProtector backendVAOBindingProtector;
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Bind();
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for (const auto& attribIndex : stateVAOObject->GetDirtyAttributeIndices()) {
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const auto& attrib = stateVAOObject->GetAttribute(attribIndex);
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if (attrib.Enabled) {
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MGLOG_D("Binding attribute index %u for VAO ID: %u", attribIndex, m_backendVAOId);
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MG_External::GLES::glEnableVertexAttribArray(attribIndex);
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} else {
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MGLOG_D("Disabling attribute index %u for VAO ID: %u", attribIndex, m_backendVAOId);
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MG_External::GLES::glDisableVertexAttribArray(attribIndex);
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continue;
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}
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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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continue;
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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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continue;
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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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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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// TODO: divisor
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}
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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_E("No backend buffer found for index buffer binding, cannot bind index buffer.");
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}
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}
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stateVAOObject->ClearDirtyAttributes();
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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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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) {
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MG_External::GLES::glBindTexture(target, m_backendTextureId);
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}
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Uint BackendTextureObject::GetBackendTextureId() {
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return m_backendTextureId;
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}
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void BackendTextureObject::SyncToBackend(SharedPtr<MG_State::GLState::ITextureObject>& stateTextureObject) {
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DebugImpl::ErrorLopper errorLopper;
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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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MGLOG_D("Syncing texture 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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// 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.", m_backendTextureId);
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return;
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}
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BackendTextureBindingProtector backendTextureBindingProtector(target);
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Bind(target);
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errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
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MGLOG_D("%s(%s:%d) ES error: %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
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});
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const auto mipmapCount = stateTextureObject->GetMipmapLevelCount();
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const auto baseSize = stateTextureObject->GetBaseSize();
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StateTextureBasicInfo currentTextureInfo = {
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stateTextureObject->GetFormat(), static_cast<SizeT>(baseSize.x()),
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static_cast<SizeT>(baseSize.y()),
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static_cast<SizeT>(baseSize.z()), 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__,
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baseSize.x(), baseSize.y(), baseSize.z(),
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mipmapCount,
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MG_Util::ConvertTextureInternalFormatToString(stateTextureObject->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(stateTextureObject->GetFormat(), &glInternalFormat, &glType,
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&glFormat);
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for (SizeT level = 0; level < mipmapCount; ++level) {
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// TODO: deal with multiple upload target texture
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auto levelTexelSize = stateTextureObject->GetMipmapTexelSize(TextureUploadTarget::Texture2D, level);
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auto levelByteSize = stateTextureObject->GetMipmapByteSize(TextureUploadTarget::Texture2D, level);
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bool levelDirty = stateTextureObject->IsStorageDirty(TextureUploadTarget::Texture2D, 0);
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auto* pData = (levelDirty && levelByteSize != 0) ? stateTextureObject->MapMipmapData(TextureUploadTarget::Texture2D, level) : nullptr;
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MGLOG_D("%s: syncing mip %d: %dx%dx%d, byteSize = %d, pData = %p", __func__,
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level,
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levelTexelSize.x(), levelTexelSize.y(), levelTexelSize.z(),
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levelByteSize,
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pData);
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BufferImpl::BackendBufferBindingProtector pixelUnpackProtector =
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BufferImpl::BackendBufferBindingProtector(GL_PIXEL_UNPACK_BUFFER);
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errorLopper.Clear();
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MG_External::GLES::glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
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MG_External::GLES::glTexImage2D(GL_TEXTURE_2D, static_cast<GLint>(level), glInternalFormat,
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static_cast<GLsizei>(levelTexelSize.x()),
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static_cast<GLsizei>(levelTexelSize.y()), 0, glFormat, glType,
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pData);
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// TODO: handle more texture types
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MGLOG_D("Regenerated mipmap level %d for texture with ID: %u", level, m_backendTextureId);
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stateTextureObject->MarkStorageDirty(TextureUploadTarget::Texture2D, level, false);
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}
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m_isInitialized = true;
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}
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{ // Update built-in sampler parameters
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MGLOG_D("Updating sampler parameters for texture with ID: %u", m_backendTextureId);
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const auto& samplerParams = stateTextureObject->GetSamplerObject()->GetAllSamplerParameters();
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#define SYNC_TEX_SAMPLER_PARAM_IF_CHANGED(internalName, glName, type) \
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if (m_cacheSamplerParameters.internalName != samplerParams.internalName) { \
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MG_External::GLES::glTexParameteri(target, glName, \
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MG_Util::ConvertSampler##type##ToGLEnum(samplerParams.internalName)); \
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m_cacheSamplerParameters.internalName = samplerParams.internalName; \
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errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__, t = MG_Util::ConvertSampler##type##ToGLEnum(samplerParams.internalName)](GLenum err) { \
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MGLOG_D("%s(%s:%d) ES error %s, GL_TEXTURE_MIN_FILTER = %s", func, file, line, \
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MG_Util::ConvertGLEnumToString(err).c_str(), MG_Util::ConvertGLEnumToString(t).c_str());\
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}); \
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}
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if (m_cacheSamplerParameters.minFilter != samplerParams.minFilter) {
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MG_External::GLES::glTexParameteri(target, GL_TEXTURE_MIN_FILTER,
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MG_Util::ConvertSamplerFilterModeToGLEnum(samplerParams.minFilter, samplerParams.mipmapMode));
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m_cacheSamplerParameters.minFilter = samplerParams.minFilter;
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m_cacheSamplerParameters.mipmapMode = samplerParams.mipmapMode;
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}
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if (m_cacheSamplerParameters.magFilter != samplerParams.magFilter) {
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MG_External::GLES::glTexParameteri(target, GL_TEXTURE_MAG_FILTER,
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MG_Util::ConvertSamplerFilterModeToGLEnum(samplerParams.magFilter, SamplerMipmapMode::None));
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m_cacheSamplerParameters.magFilter = samplerParams.magFilter;
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}
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errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
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MGLOG_D("%s(%s:%d) ES error %s", func, file, line, MG_Util::ConvertGLEnumToString(err).c_str());
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});
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// SYNC_TEX_SAMPLER_PARAM_IF_CHANGED(minFilter, GL_TEXTURE_MIN_FILTER, FilterMode)
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// SYNC_TEX_SAMPLER_PARAM_IF_CHANGED(magFilter, GL_TEXTURE_MAG_FILTER, FilterMode)
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SYNC_TEX_SAMPLER_PARAM_IF_CHANGED(wrapS, GL_TEXTURE_WRAP_S, WrapMode)
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SYNC_TEX_SAMPLER_PARAM_IF_CHANGED(wrapT, GL_TEXTURE_WRAP_T, WrapMode)
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SYNC_TEX_SAMPLER_PARAM_IF_CHANGED(wrapR, GL_TEXTURE_WRAP_R, WrapMode)
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SYNC_TEX_SAMPLER_PARAM_IF_CHANGED(compareFunc, GL_TEXTURE_COMPARE_FUNC, CompareFunc)
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SYNC_TEX_SAMPLER_PARAM_IF_CHANGED(compareMode, GL_TEXTURE_COMPARE_MODE, CompareMode)
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if (m_cacheSamplerParameters.minLod != samplerParams.minLod) {
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MG_External::GLES::glTexParameterf(target, GL_TEXTURE_MIN_LOD, samplerParams.minLod);
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m_cacheSamplerParameters.minLod = samplerParams.minLod;
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}
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if (m_cacheSamplerParameters.maxLod != samplerParams.maxLod) {
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MG_External::GLES::glTexParameterf(target, GL_TEXTURE_MAX_LOD, samplerParams.maxLod);
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m_cacheSamplerParameters.maxLod = samplerParams.maxLod;
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}
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errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
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MGLOG_D("%s(%s:%d) ES error %s", func, file, line,
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MG_Util::ConvertGLEnumToString(err).c_str());
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});
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#undef SYNC_TEX_SAMPLER_PARAM_IF_CHANGED
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}
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{ // Update texture parameters
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MGLOG_D("Updating texture parameters for texture with ID: %u", m_backendTextureId);
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const auto& levelRange = stateTextureObject->GetLevelRange();
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MG_External::GLES::glTexParameteri(target, GL_TEXTURE_BASE_LEVEL, static_cast<GLint>(levelRange.x()));
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errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
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MGLOG_D("%s(%s:%d) ES error %s", func, file, line,
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MG_Util::ConvertGLEnumToString(err).c_str());
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});
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MG_External::GLES::glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, static_cast<GLint>(levelRange.y()));
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errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__](GLenum err) {
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MGLOG_D("%s(%s:%d) ES error %s", func, file, line,
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MG_Util::ConvertGLEnumToString(err).c_str());
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});
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GLenum swizzleParams[4] = {MG_Util::ConvertTextureSwizzleParamToGLEnum(
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stateTextureObject->GetSwizzleParam(TextureSwizzleParam::Red)),
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MG_Util::ConvertTextureSwizzleParamToGLEnum(
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stateTextureObject->GetSwizzleParam(TextureSwizzleParam::Green)),
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MG_Util::ConvertTextureSwizzleParamToGLEnum(
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stateTextureObject->GetSwizzleParam(TextureSwizzleParam::Blue)),
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MG_Util::ConvertTextureSwizzleParamToGLEnum(
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stateTextureObject->GetSwizzleParam(TextureSwizzleParam::Alpha))};
|
|
MG_External::GLES::glTexParameteri(target, GL_TEXTURE_SWIZZLE_R,
|
|
MG_Util::ConvertTextureSwizzleParamToGLEnum(
|
|
stateTextureObject->GetSwizzleParam(TextureSwizzleParam::Red)));
|
|
MG_External::GLES::glTexParameteri(target, GL_TEXTURE_SWIZZLE_G,
|
|
MG_Util::ConvertTextureSwizzleParamToGLEnum(
|
|
stateTextureObject->GetSwizzleParam(TextureSwizzleParam::Green)));
|
|
MG_External::GLES::glTexParameteri(target, GL_TEXTURE_SWIZZLE_B,
|
|
MG_Util::ConvertTextureSwizzleParamToGLEnum(
|
|
stateTextureObject->GetSwizzleParam(TextureSwizzleParam::Blue)));
|
|
MG_External::GLES::glTexParameteri(target, GL_TEXTURE_SWIZZLE_A,
|
|
MG_Util::ConvertTextureSwizzleParamToGLEnum(
|
|
stateTextureObject->GetSwizzleParam(TextureSwizzleParam::Alpha)));
|
|
errorLopper.Loop([file = __FILE__, line = __LINE__, func = __func__, swizzleParams](GLenum err) {
|
|
MGLOG_D("%s(%s:%d) ES error %s, GL_TEXTURE_SWIZZLE_RGBA: [%s %s %s %s]", func, file, line,
|
|
MG_Util::ConvertGLEnumToString(err).c_str(),
|
|
MG_Util::ConvertGLEnumToString(swizzleParams[0]).c_str(),
|
|
MG_Util::ConvertGLEnumToString(swizzleParams[1]).c_str(),
|
|
MG_Util::ConvertGLEnumToString(swizzleParams[2]).c_str(),
|
|
MG_Util::ConvertGLEnumToString(swizzleParams[3]).c_str());
|
|
});
|
|
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);
|
|
}
|
|
|
|
{ // Update all dirty mipmap levels
|
|
const auto mipmapCount = stateTextureObject->GetMipmapLevelCount();
|
|
GLenum glInternalFormat, glType, glFormat;
|
|
TextureImpl::GenerateTextureFormatInfo(stateTextureObject->GetFormat(), &glInternalFormat, &glType,
|
|
&glFormat);
|
|
for (SizeT level = 0; level < mipmapCount; ++level) {
|
|
if (!stateTextureObject->IsStorageDirty(TextureUploadTarget::Texture2D, level)) {
|
|
continue;
|
|
}
|
|
|
|
auto byteSize = stateTextureObject->GetMipmapByteSize(TextureUploadTarget::Texture2D, level);
|
|
if (byteSize == 0) {
|
|
MGLOG_W("Mipmap level %d has no data, skipping update.", level);
|
|
continue;
|
|
}
|
|
|
|
BufferImpl::BackendBufferBindingProtector pixelUnpackProtector =
|
|
BufferImpl::BackendBufferBindingProtector(GL_PIXEL_UNPACK_BUFFER);
|
|
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 = stateTextureObject->GetMipmapTexelSize(TextureUploadTarget::Texture2D, level);
|
|
MG_External::GLES::glTexSubImage2D(GL_TEXTURE_2D, static_cast<GLint>(level), 0, 0,
|
|
static_cast<GLsizei>(texelSize.x()),
|
|
static_cast<GLsizei>(texelSize.y()), glFormat, glType,
|
|
(byteSize != 0) ? stateTextureObject->MapMipmapData(TextureUploadTarget::Texture2D, level) : nullptr);
|
|
|
|
stateTextureObject->MarkStorageDirty(TextureUploadTarget::Texture2D, level, false);
|
|
}
|
|
}
|
|
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;
|
|
}
|
|
|
|
UnorderedMap<SharedPtr<MG_State::GLState::ITextureObject>, SharedPtr<BackendTextureObject>>
|
|
g_backendTextureObjects;
|
|
} // namespace TextureImpl
|
|
|
|
namespace FramebufferImpl {
|
|
BackendFramebufferObject::BackendFramebufferObject() {
|
|
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) {
|
|
if (target == FramebufferTarget::Read)
|
|
MG_External::GLES::glBindFramebuffer(GL_READ_FRAMEBUFFER, m_backendFBOId);
|
|
else
|
|
MG_External::GLES::glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_backendFBOId);
|
|
}
|
|
|
|
void BackendFramebufferObject::SyncToBackend(SharedPtr<MG_State::GLState::FramebufferObject>& stateFBOObject,
|
|
FramebufferTarget asTarget) {
|
|
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);
|
|
BackendFramebufferBindingProtector backendFBOBindingProtector(glFBOTarget);
|
|
Bind(asTarget);
|
|
|
|
// Handle all attachments
|
|
const auto& attachments = stateFBOObject->GetAllAttachments();
|
|
for (SizeT i = 0; i < attachments.size(); ++i) {
|
|
const auto& attachment = attachments[i];
|
|
if (!attachment.IsValid() || attachment.IsEmpty()) {
|
|
continue;
|
|
}
|
|
FramebufferAttachmentType type = static_cast<FramebufferAttachmentType>(i);
|
|
GLenum glAttachment = MG_Util::ConvertFramebufferAttachmentTypeToGLEnum(type);
|
|
if (attachment.IsTexture()) {
|
|
const auto& textureObject = attachment.GetTexture();
|
|
const auto& backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject);
|
|
if (backendTextureIt == TextureImpl::g_backendTextureObjects.end()) {
|
|
MGLOG_E("No backend texture found for FBO attachment, cannot bind texture.");
|
|
continue;
|
|
}
|
|
const auto& backendTextureObject = backendTextureIt->second;
|
|
auto glTextureTarget = MG_Util::ConvertTextureTargetToGLEnum(textureObject->GetTarget());
|
|
backendTextureObject->Bind(glTextureTarget);
|
|
MG_External::GLES::glFramebufferTexture2D(glFBOTarget, glAttachment, glTextureTarget,
|
|
backendTextureObject->GetBackendTextureId(),
|
|
static_cast<GLint>(attachment.GetTextureLevel()));
|
|
} else if (attachment.IsRenderbuffer()) {
|
|
// TODO: renderbuffer support
|
|
}
|
|
}
|
|
// Handle draw buffers for DRAW_FRAMEBUFFER
|
|
if (asTarget == FramebufferTarget::Draw) {
|
|
// Create mappings for draw buffers
|
|
int nBuffers = 0;
|
|
std::fill(m_frontendDrawBuffers, m_frontendDrawBuffers + MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS,
|
|
FramebufferAttachmentType::None);
|
|
std::fill(m_compactedFrontendDrawBuffers,
|
|
m_compactedFrontendDrawBuffers + MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS,
|
|
FramebufferAttachmentType::None);
|
|
std::fill(m_backendDrawBuffers, m_backendDrawBuffers + MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS,
|
|
GL_NONE);
|
|
auto& stateDrawBuffers = stateFBOObject->GetDrawBuffers();
|
|
for (GLint i = 0; i < MG_State::GLState::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);
|
|
|
|
// Attach textures for compacted draw buffers
|
|
// for (int i = 0; i < nBuffers; ++i) {
|
|
// FramebufferAttachmentType frontendAttachmentType =
|
|
// MG_Util::ConvertGLEnumToFramebufferAttachmentType(m_compactedFrontendBuffers[i]);
|
|
// GLenum backendAttachment = m_backendBuffers[i];
|
|
// const auto& attachment = attachments[static_cast<SizeT>(frontendAttachmentType)];
|
|
// if (!attachment.IsTexture()) continue;
|
|
// const auto& textureObject = attachment.GetTexture();
|
|
// const auto& backendTextureIt = TextureImpl::g_backendTextureObjects.find(textureObject);
|
|
// if (backendTextureIt == TextureImpl::g_backendTextureObjects.end()) continue;
|
|
// const auto& backendTextureObject = backendTextureIt->second;
|
|
// auto glTextureTarget = MG_Util::ConvertTextureTargetToGLEnum(textureObject->GetTarget());
|
|
// backendTextureObject->Bind(glTextureTarget);
|
|
// MG_External::GLES::glFramebufferTexture2D(glFBOTarget, backendAttachment, glTextureTarget,
|
|
// backendTextureObject->GetBackendTextureId(),
|
|
// static_cast<GLint>(attachment.GetTextureLevel()));
|
|
// }
|
|
|
|
stateFBOObject->ClearDrawBuffersDirtyState();
|
|
}
|
|
// Handle read buffer for READ_FRAMEBUFFER
|
|
else if (asTarget == FramebufferTarget::Read) {
|
|
m_frontendReadBuffer = stateFBOObject->GetReadBuffer();
|
|
GLenum frontendAtt = MG_Util::ConvertFramebufferAttachmentTypeToGLEnum(m_frontendReadBuffer);
|
|
GLenum backendAtt = GL_NONE;
|
|
// Find corresponding backend attachment in compacted draw buffers
|
|
// for (SizeT i = 0; i < MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS; ++i) {
|
|
// if (m_compactedFrontendBuffers[i] == frontendAtt) {
|
|
// backendAtt = m_backendBuffers[i];
|
|
// break;
|
|
// }
|
|
// }
|
|
// if (backendAtt != GL_NONE) {
|
|
// MG_External::GLES::glReadBuffer(backendAtt);
|
|
// } else {
|
|
const auto& readAttachment = attachments[(SizeT)m_frontendReadBuffer];
|
|
GLenum glAttachment = MG_Util::ConvertFramebufferAttachmentTypeToGLEnum(m_frontendReadBuffer);
|
|
if (!readAttachment.IsValid() || readAttachment.IsEmpty()) {
|
|
return;
|
|
}
|
|
if (readAttachment.IsTexture()) {
|
|
const auto& textureObject = readAttachment.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;
|
|
}
|
|
const auto& backendTextureObject = backendTextureIt->second;
|
|
auto glTextureTarget = MG_Util::ConvertTextureTargetToGLEnum(textureObject->GetTarget());
|
|
backendTextureObject->Bind(glTextureTarget);
|
|
MG_External::GLES::glFramebufferTexture2D(glFBOTarget, glAttachment, glTextureTarget,
|
|
backendTextureObject->GetBackendTextureId(),
|
|
static_cast<GLint>(readAttachment.GetTextureLevel()));
|
|
} else if (readAttachment.IsRenderbuffer()) {
|
|
// TODO: renderbuffer support
|
|
}
|
|
MG_External::GLES::glReadBuffer(glAttachment);
|
|
// }
|
|
}
|
|
}
|
|
|
|
UnorderedMap<SharedPtr<MG_State::GLState::FramebufferObject>, SharedPtr<BackendFramebufferObject>>
|
|
g_backendFramebufferObjects;
|
|
} // namespace FramebufferImpl
|
|
|
|
namespace PrgramImpl {
|
|
UnorderedMap<SharedPtr<MG_State::GLState::ProgramObject>, SharedPtr<BackendProgramObjectImpl>>
|
|
g_backendProgramObjects;
|
|
|
|
BackendProgramObjectImpl::BackendProgramObjectImpl() {
|
|
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() {
|
|
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) {
|
|
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);
|
|
|
|
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);
|
|
|
|
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() {
|
|
MGLOG_D("Using program %u", m_backendProgramId);
|
|
MG_External::GLES::glUseProgram(m_backendProgramId);
|
|
}
|
|
} // namespace PrgramImpl
|
|
|
|
namespace SamplerImpl {
|
|
BackendSamplerObject::BackendSamplerObject() {
|
|
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) {
|
|
if (!stateSamplerObject) {
|
|
MGLOG_E("State sampler object is null, cannot sync to backend.");
|
|
return;
|
|
}
|
|
|
|
MGLOG_D("Syncing sampler with backend ID %u to backend for state ID %u", m_backendSamplerId,
|
|
stateSamplerObject->GetExternalIndex());
|
|
|
|
const auto& samplerParams = stateSamplerObject->GetAllSamplerParameters();
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#define SYNC_SAMPLER_PARAM_IF_CHANGED(internalName, glName, type) \
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if (m_cacheSamplerParameters.internalName != samplerParams.internalName) { \
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MG_External::GLES::glSamplerParameteri(m_backendSamplerId, glName, \
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MG_Util::ConvertSampler##type##ToGLEnum(samplerParams.internalName)); \
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m_cacheSamplerParameters.internalName = samplerParams.internalName; \
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}
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if (m_cacheSamplerParameters.minFilter != samplerParams.minFilter) {
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MG_External::GLES::glSamplerParameteri(m_backendSamplerId, GL_TEXTURE_MIN_FILTER,
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MG_Util::ConvertSamplerFilterModeToGLEnum(samplerParams.minFilter, samplerParams.mipmapMode));
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m_cacheSamplerParameters.minFilter = samplerParams.minFilter;
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m_cacheSamplerParameters.mipmapMode = samplerParams.mipmapMode;
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}
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if (m_cacheSamplerParameters.magFilter != samplerParams.magFilter) {
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MG_External::GLES::glSamplerParameteri(m_backendSamplerId, GL_TEXTURE_MAG_FILTER,
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MG_Util::ConvertSamplerFilterModeToGLEnum(samplerParams.magFilter, SamplerMipmapMode::None));
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m_cacheSamplerParameters.magFilter = samplerParams.magFilter;
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}
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// SYNC_SAMPLER_PARAM_IF_CHANGED(minFilter, GL_TEXTURE_MIN_FILTER, FilterMode)
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// SYNC_SAMPLER_PARAM_IF_CHANGED(magFilter, GL_TEXTURE_MAG_FILTER, FilterMode)
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SYNC_SAMPLER_PARAM_IF_CHANGED(wrapS, GL_TEXTURE_WRAP_S, WrapMode)
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SYNC_SAMPLER_PARAM_IF_CHANGED(wrapT, GL_TEXTURE_WRAP_T, WrapMode)
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SYNC_SAMPLER_PARAM_IF_CHANGED(wrapR, GL_TEXTURE_WRAP_R, WrapMode)
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SYNC_SAMPLER_PARAM_IF_CHANGED(compareFunc, GL_TEXTURE_COMPARE_FUNC, CompareFunc)
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SYNC_SAMPLER_PARAM_IF_CHANGED(compareMode, GL_TEXTURE_COMPARE_MODE, CompareMode)
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if (m_cacheSamplerParameters.minLod != samplerParams.minLod) {
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MG_External::GLES::glSamplerParameterf(m_backendSamplerId, GL_TEXTURE_MIN_LOD, samplerParams.minLod);
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m_cacheSamplerParameters.minLod = samplerParams.minLod;
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}
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if (m_cacheSamplerParameters.maxLod != samplerParams.maxLod) {
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MG_External::GLES::glSamplerParameterf(m_backendSamplerId, GL_TEXTURE_MAX_LOD, samplerParams.maxLod);
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m_cacheSamplerParameters.maxLod = samplerParams.maxLod;
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}
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#undef SYNC_SAMPLER_PARAM_IF_CHANGED
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m_isInitialized = true;
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}
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void BackendSamplerObject::Bind(Uint unit) {
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MG_External::GLES::glBindSampler(static_cast<GLenum>(unit), m_backendSamplerId);
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}
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Uint BackendSamplerObject::GetBackendSamplerId() {
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return m_backendSamplerId;
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}
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UnorderedMap<SharedPtr<MG_State::GLState::SamplerObject>, SharedPtr<BackendSamplerObject>>
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g_backendSamplerObjects;
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} // namespace SamplerImpl
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namespace Utils {} // namespace Utils
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} // namespace MobileGL::MG_Backend::DirectGLES
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