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[Feat] (MG_Backend/DirectGLES): implement multisample texture backend

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This commit is contained in:
BZLZHH
2026-06-10 01:41:44 +08:00
parent c499480692
commit 5c1fd733da
2 changed files with 66 additions and 5 deletions
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MobileGL/MG_Backend/DirectGLES/Managers.cpp
+56 -2
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@@ -541,7 +541,9 @@ namespace MobileGL::MG_Backend::DirectGLES {
static_cast<SizeT>(baseSize.y()),
static_cast<SizeT>(baseSize.z()),
0,
0};
0,
stateTextureObject->GetSamples(),
stateTextureObject->HasFixedSampleLocations()};
switch (stateTextureObject->GetStorageType()) {
case TextureStorageType::Mipmap: {
auto* textureMipmapObject =
@@ -565,6 +567,33 @@ namespace MobileGL::MG_Backend::DirectGLES {
&glFormat, &glType);
const auto& uploadTargets = textureMipmapObject->GetUploadTargets();
if (TextureImpl::IsMultisampleTextureTarget(targetInternal)) {
DebugImpl::ErrorLopper::Clear();
g_GLESFuncs.glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
switch (targetInternal) {
case TextureTarget::Texture2DMultisample:
g_GLESFuncs.glTexStorage2DMultisample(
target, static_cast<GLsizei>(stateTextureObject->GetSamples()), glInternalFormat,
static_cast<GLsizei>(baseSize.x()), static_cast<GLsizei>(baseSize.y()),
stateTextureObject->HasFixedSampleLocations() ? GL_TRUE : GL_FALSE);
break;
case TextureTarget::Texture2DMultisampleArray:
g_GLESFuncs.glTexStorage3DMultisample(
target, static_cast<GLsizei>(stateTextureObject->GetSamples()), glInternalFormat,
static_cast<GLsizei>(baseSize.x()), static_cast<GLsizei>(baseSize.y()),
static_cast<GLsizei>(baseSize.z()),
stateTextureObject->HasFixedSampleLocations() ? GL_TRUE : GL_FALSE);
break;
default:
MOBILEGL_ASSERT(false, "Unexpected multisample target: %d", static_cast<Int>(targetInternal));
break;
}
for (const auto& uploadTarget : uploadTargets) {
for (SizeT level = 0; level < mipmapCount; ++level) {
textureMipmapObject->MarkStorageDirty(uploadTarget, level, false);
}
}
} else {
for (auto& uploadTarget : uploadTargets) {
for (SizeT level = 0; level < mipmapCount; ++level) {
auto levelTexelSize = textureMipmapObject->GetMipmapTexelSize(uploadTarget, level);
@@ -620,11 +649,24 @@ namespace MobileGL::MG_Backend::DirectGLES {
textureMipmapObject->MarkStorageDirty(uploadTarget, level, false);
}
}
}
m_isInitialized = true;
}
{ // Update all dirty mipmap levels
if (TextureImpl::IsMultisampleTextureTarget(targetInternal)) {
const auto& uploadTargets = textureMipmapObject->GetUploadTargets();
for (const auto& uploadTarget : uploadTargets) {
for (SizeT level = 0; level < mipmapCount; ++level) {
if (textureMipmapObject->IsStorageDirty(uploadTarget, level)) {
textureMipmapObject->MarkStorageDirty(uploadTarget, level, false);
}
}
}
break;
}
const auto mipmapCount = textureMipmapObject->GetMipmapLevelCount();
GLenum glInternalFormat, glType, glFormat;
TextureImpl::GenerateTextureFormatInfo(textureMipmapObject->GetFormat(), &glInternalFormat,
@@ -780,6 +822,12 @@ namespace MobileGL::MG_Backend::DirectGLES {
return;
}
const auto& samplerParams = samplerObject->GetAllSamplerParameters();
if (TextureImpl::IsMultisampleTextureTarget(targetInternal)) {
m_cacheSamplerParameters = samplerParams;
return;
}
Bind(target);
DebugImpl::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());
@@ -787,7 +835,6 @@ namespace MobileGL::MG_Backend::DirectGLES {
// Update built-in sampler parameters
MGLOG_D("Updating sampler parameters for texture with ID: %u", m_backendTextureId);
const auto& samplerParams = samplerObject->GetAllSamplerParameters();
#define SYNC_TEX_SAMPLER_PARAM_IF_CHANGED(internalName, glName, type) \
if (m_cacheSamplerParameters.internalName != samplerParams.internalName) { \
@@ -874,6 +921,13 @@ namespace MobileGL::MG_Backend::DirectGLES {
return;
}
if (TextureImpl::IsMultisampleTextureTarget(targetInternal)) {
m_cacheLodRange = stateTextureObject->GetLevelRange();
m_cacheSwizzleParams = stateTextureObject->GetAllSwizzleParams();
m_cacheBorderColor = stateTextureObject->GetBorderColor();
return;
}
Bind(target);
DebugImpl::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());