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[Fix] (MG_Backend/DirectVulkan): fix null dereference crash in VkClearManager

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swung0x48
2026-05-06 13:15:08 +08:00
parent 8e4a4359b4
commit a345369269
2 changed files with 43 additions and 21 deletions
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CMakeLists.txt
+1 -1
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@@ -4,7 +4,7 @@ project("MobileGL")
option(MOBILEGL_BUILD_TEST "Build MobileGL tests" ON )
option(MOBILEGL_BUILD_BENCHMARK "Build MobileGL benchmarks" ON )
option(MOBILEGL_FORCE_RELEASE_OPT "Enable Release optimization flags in Debug build" ON )
option(MOBILEGL_FORCE_RELEASE_OPT "Enable Release optimization flags in Debug build" OFF)
option(MOBILEGL_ENABLE_TRACY "Enable tracy for profiling" OFF)
if (ANDROID)
MobileGL/MG_Backend/DirectVulkan/Renderer/VkClearManager.cpp
+42 -20
View File
@@ -12,6 +12,20 @@
#include "MG_Util/Converters/MGToStr/TextureEnumConverter.h"
namespace MobileGL::MG_Backend::DirectVulkan {
static SharedPtr<MG_State::GLState::ITextureObject> GetClearableAttachmentTexture(
const MG_State::GLState::FramebufferObject& drawFbo, FramebufferAttachmentType attachmentType) {
if (attachmentType == FramebufferAttachmentType::None) {
return nullptr;
}
const auto& attachment = drawFbo.GetAttachment(attachmentType);
if (!attachment.IsTexture() || attachment.IsRenderbuffer()) {
return nullptr;
}
return attachment.GetTexture();
}
Bool VkClearManager::Initialize() {
return true;
}
@@ -26,39 +40,47 @@ namespace MobileGL::MG_Backend::DirectVulkan {
auto& drawbufs = drawFbo.GetDrawBuffers();
// This should automatically work on default & offscreen FBO
for (auto drawbuf: drawbufs) {
if (drawbuf == FramebufferAttachmentType::None ||
drawFbo.GetAttachment(drawbuf).IsRenderbuffer())
auto texture = GetClearableAttachmentTexture(drawFbo, drawbuf);
if (!texture) {
continue;
}
QueueClear({
.mask = GL_COLOR_BUFFER_BIT,
.color = clearPayload.color
}, drawFbo.GetAttachment(drawbuf).GetTexture());
}, texture);
MGLOG_D("%s: %s (texture %d) - color = (%.2f, %.2f, %.2f, %.2f)", __func__,
MG_Util::ConvertFramebufferAttachmentTypeToString(drawbuf).c_str(),
drawFbo.GetAttachment(drawbuf).GetTexture()->GetExternalIndex(),
texture->GetExternalIndex(),
clearPayload.color[0], clearPayload.color[1], clearPayload.color[2], clearPayload.color[3]);
}
}
if (mask & GL_DEPTH_BUFFER_BIT &&
!drawFbo.GetAttachment(FramebufferAttachmentType::Depth).IsRenderbuffer()) {
QueueClear({
.mask = GL_DEPTH_BUFFER_BIT,
.depth = clearPayload.depth,
}, drawFbo.GetAttachment(FramebufferAttachmentType::Depth).GetTexture());
MGLOG_D("%s: Depth (texture %d) - depth = (%.2f)", __func__,
drawFbo.GetAttachment(FramebufferAttachmentType::Depth).GetTexture()->GetExternalIndex(), clearPayload.depth);
if (mask & GL_DEPTH_BUFFER_BIT) {
auto texture = GetClearableAttachmentTexture(drawFbo, FramebufferAttachmentType::Depth);
if (texture) {
QueueClear({
.mask = GL_DEPTH_BUFFER_BIT,
.depth = clearPayload.depth,
}, texture);
MGLOG_D("%s: Depth (texture %d) - depth = (%.2f)", __func__,
texture->GetExternalIndex(), clearPayload.depth);
}
}
if (mask & GL_STENCIL_BUFFER_BIT &&
!drawFbo.GetAttachment(FramebufferAttachmentType::Stencil).IsRenderbuffer()) {
QueueClear({
.mask = GL_STENCIL_BUFFER_BIT,
.stencil = clearPayload.stencil,
}, drawFbo.GetAttachment(FramebufferAttachmentType::Stencil).GetTexture());
MGLOG_D("%s: Stencil (texture %d) - stencil = (%u)", __func__,
drawFbo.GetAttachment(FramebufferAttachmentType::Stencil).GetTexture()->GetExternalIndex(), clearPayload.stencil);
if (mask & GL_STENCIL_BUFFER_BIT) {
auto texture = GetClearableAttachmentTexture(drawFbo, FramebufferAttachmentType::Stencil);
if (texture) {
QueueClear({
.mask = GL_STENCIL_BUFFER_BIT,
.stencil = clearPayload.stencil,
}, texture);
MGLOG_D("%s: Stencil (texture %d) - stencil = (%u)", __func__,
texture->GetExternalIndex(), clearPayload.stencil);
}
}
}