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[Feat] (MG_State/Texture): Initial implementation of cube map

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This commit is contained in:
swung0x48
2025-11-25 22:47:41 +08:00
parent 4d44dda117
commit a0aaba3cb5
10 changed files with 184 additions and 52 deletions
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MobileGL/MG_Backend/DirectGLES/Managers.cpp
+70 -45
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@@ -296,30 +296,44 @@ namespace MobileGL::MG_Backend::DirectGLES {
GLenum glInternalFormat, glType, glFormat;
TextureImpl::GenerateTextureFormatInfo(stateTextureObject->GetFormat(), &glInternalFormat, &glType,
&glFormat);
for (SizeT level = 0; level < mipmapCount; ++level) {
// TODO: deal with multiple upload target texture
auto levelTexelSize = stateTextureObject->GetMipmapTexelSize(TextureUploadTarget::Texture2D, level);
auto levelByteSize = stateTextureObject->GetMipmapByteSize(TextureUploadTarget::Texture2D, level);
bool levelDirty = stateTextureObject->IsStorageDirty(TextureUploadTarget::Texture2D, 0);
auto* pData = (levelDirty && levelByteSize != 0) ? stateTextureObject->MapMipmapData(TextureUploadTarget::Texture2D, level) : nullptr;
MGLOG_D("%s: syncing mip %d: %dx%dx%d, byteSize = %d, pData = %p", __func__,
level,
levelTexelSize.x(), levelTexelSize.y(), levelTexelSize.z(),
levelByteSize,
pData);
BufferImpl::BackendBufferBindingProtector pixelUnpackProtector =
BufferImpl::BackendBufferBindingProtector(GL_PIXEL_UNPACK_BUFFER);
errorLopper.Clear();
MG_External::GLES::glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
MG_External::GLES::glTexImage2D(GL_TEXTURE_2D, static_cast<GLint>(level), glInternalFormat,
static_cast<GLsizei>(levelTexelSize.x()),
static_cast<GLsizei>(levelTexelSize.y()), 0, glFormat, glType,
pData);
// TODO: handle more texture types
const auto& uploadTargets = stateTextureObject->GetUploadTargets();
for (auto uploadTarget: uploadTargets) {
for (SizeT level = 0; level < mipmapCount; ++level) {
auto levelTexelSize = stateTextureObject->GetMipmapTexelSize(
uploadTarget, level);
auto levelByteSize = stateTextureObject->GetMipmapByteSize(
uploadTarget, level);
bool levelDirty = stateTextureObject->IsStorageDirty(
uploadTarget, 0);
auto glUploadTarget = MG_Util::ConvertTextureUploadTargetToGLEnum(uploadTarget);
auto *pData = (levelDirty && levelByteSize != 0)
? stateTextureObject->MapMipmapData(
uploadTarget, level) : nullptr;
MGLOG_D("%s: target: %s: syncing mip %d: %dx%dx%d, byteSize = %d, pData = %p", __func__,
MG_Util::ConvertTextureUploadTargetToString(uploadTarget).c_str(),
level,
levelTexelSize.x(), levelTexelSize.y(), levelTexelSize.z(),
levelByteSize,
pData);
BufferImpl::BackendBufferBindingProtector pixelUnpackProtector =
BufferImpl::BackendBufferBindingProtector(GL_PIXEL_UNPACK_BUFFER);
errorLopper.Clear();
MG_External::GLES::glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
MG_External::GLES::glTexImage2D(glUploadTarget, static_cast<GLint>(level),
glInternalFormat,
static_cast<GLsizei>(levelTexelSize.x()),
static_cast<GLsizei>(levelTexelSize.y()), 0,
glFormat, glType,
pData);
MGLOG_D("Regenerated mipmap level %d for texture with ID: %u", level, m_backendTextureId);
stateTextureObject->MarkStorageDirty(TextureUploadTarget::Texture2D, level, false);
// TODO: handle more texture types
MGLOG_D("Regenerated mipmap level %d for texture with ID: %u", level,
m_backendTextureId);
stateTextureObject->MarkStorageDirty(uploadTarget, level,
false);
}
}
m_isInitialized = true;
@@ -429,30 +443,41 @@ namespace MobileGL::MG_Backend::DirectGLES {
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;
const auto& uploadTargets = stateTextureObject->GetUploadTargets();
for (auto uploadTarget: uploadTargets) {
for (SizeT level = 0; level < mipmapCount; ++level) {
if (!stateTextureObject->IsStorageDirty(uploadTarget, level)) {
continue;
}
auto byteSize = stateTextureObject->GetMipmapByteSize(
uploadTarget, level);
if (byteSize == 0) {
MGLOG_W("Mipmap level %d has no data, skipping update.", level);
continue;
}
auto glUploadTarget = MG_Util::ConvertTextureUploadTargetToGLEnum(uploadTarget);
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(
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,
stateTextureObject->MapMipmapData(uploadTarget, level));
stateTextureObject->MarkStorageDirty(uploadTarget, level, false);
}
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) {