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

2026-09-08 04:08:32 +09:00 · 2025-11-25 22:47:41 +08:00
parent 4d44dda117
commit a0aaba3cb5
10 changed files with 184 additions and 52 deletions
@@ -0,0 +1,59 @@
+#include "TextureObject2DCube.h"
+
+namespace MobileGL {
+    namespace MG_State {
+        namespace GLState {
+            TextureObject2DCube::TextureObject2DCube(Uint externalIndex):
+                TextureObjectBase(TextureTarget::TextureCubeMap, externalIndex) {
+
+            }
+
+            Uint TextureObject2DCube::GetMipmapLevelCount() const {
+                return m_textureStorage.GetLevelCount();
+            }
+
+            const IntVec3 TextureObject2DCube::GetMipmapTexelSize(TextureUploadTarget target,
+                                                                  Uint mipmapLevel) const {
+                return m_textureStorage.GetTexelSize(GetIndexOfTextureUploadTarget(target), mipmapLevel);
+            }
+
+            const SizeT TextureObject2DCube::GetMipmapByteSize(TextureUploadTarget target,
+                                                               Uint mipmapLevel) const {
+                return m_textureStorage.GetByteSize(GetIndexOfTextureUploadTarget(target), mipmapLevel);
+            }
+
+            void
+            TextureObject2DCube::AllocateStorage(TextureUploadTarget uploadTarget, Uint mipmapLevel,
+                                                 MipmapInput input) {
+                m_textureStorage.AllocateLevel(GetIndexOfTextureUploadTarget(uploadTarget), mipmapLevel, input);
+            }
+
+            void TextureObject2DCube::UpdateMipmapSubData(TextureUploadTarget uploadTarget,
+                                                          Uint mipmapLevel, DataPtr input) {
+                m_textureStorage.UpdateSubData(GetIndexOfTextureUploadTarget(uploadTarget), mipmapLevel, input);
+            }
+
+            void *
+            TextureObject2DCube::MapMipmapData(TextureUploadTarget uploadTarget, Uint mipmapLevel) {
+                return m_textureStorage.MapData(GetIndexOfTextureUploadTarget(uploadTarget), mipmapLevel);
+            }
+
+            void TextureObject2DCube::MarkStorageDirty(TextureUploadTarget uploadTarget,
+                                                       Uint mipmapLevel, bool dirty) {
+                m_textureStorage.MarkDirty(GetIndexOfTextureUploadTarget(uploadTarget), mipmapLevel, dirty);
+            }
+
+            bool TextureObject2DCube::IsStorageDirty(TextureUploadTarget uploadTarget,
+                                                     Uint mipmapLevel) const {
+                return m_textureStorage.IsDirty(GetIndexOfTextureUploadTarget(uploadTarget), mipmapLevel);
+            }
+
+            Uint
+            TextureObject2DCube::GetIndexOfTextureUploadTarget(TextureUploadTarget target) const {
+                MOBILEGL_ASSERT(TextureUploadTarget::CubeMapPositiveX <= target && target <= TextureUploadTarget::ProxyCubeMap,
+                                "Invalid TextureUploadTarget!");
+                return (Uint)target - (Uint)TextureUploadTarget::CubeMapPositiveX;
+            }
+        }
+    }
+}