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[Feat] (MG_State/VertexArrayState): Implement default VAO at index 0.

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This commit is contained in:
BZLZHH
2025-10-31 14:40:14 +08:00
parent 6959405518
commit 731281eb61
1 changed files with 8 additions and 7 deletions
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MobileGL/MG_State/GLState/VertexArrayState/VertexArrayState.cpp
+8 -7
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@@ -3,7 +3,14 @@
namespace MobileGL { namespace MobileGL {
namespace MG_State { namespace MG_State {
namespace GLState { namespace GLState {
VertexArrayState::VertexArrayState() : m_indexGenerator(1024, 1) {} VertexArrayState::VertexArrayState() : m_indexGenerator(1024, 1) {
// Generate default VAO at index 0, which is not valid in core profile, but still remains for
// compatibility reasons.
m_indexGenerator.Insert(0);
auto defaultVAO = MakeShared<VertexArrayObject>();
m_vertexArrays.push_back(defaultVAO);
m_boundVertexArray = defaultVAO;
}
SharedPtr<VertexArrayObject> VertexArrayState::GetVertexArrayObject(Uint index) { SharedPtr<VertexArrayObject> VertexArrayState::GetVertexArrayObject(Uint index) {
if (index >= m_vertexArrays.size()) if (index >= m_vertexArrays.size())
@@ -20,12 +27,6 @@ namespace MobileGL {
} }
void VertexArrayState::Bind(Uint index) { void VertexArrayState::Bind(Uint index) {
if (index == 0) {
// FIXME: should we make a dummy VAO at index 0?
m_boundVertexArray = nullptr;
return;
}
m_boundVertexArray = GetVertexArrayObject(index); m_boundVertexArray = GetVertexArrayObject(index);
} }