*misc

1 files changed, 48 insertions, 0 deletions

diff --git a/source/modules/asura-core/graphics/image.cpp b/source/modules/asura-core/graphics/image.cpp
index d4c4cdd..cb5b573 100644
--- a/source/modules/asura-core/graphics/image.cpp
+++ b/source/modules/asura-core/graphics/image.cpp
@@ -13,11 +13,16 @@ namespace AsuraEngine
 	{
 
 		Image::Image()
+			: mVBO(nullptr)
+			, mWidth(0)
+			, mHeight(0)
 		{
 		}
 
 		Image::~Image()
 		{
+			if (mVBO)
+				delete mVBO;
 		}
 
 		bool Image::Load(ImageData* imgData)
@@ -46,6 +51,24 @@ namespace AsuraEngine
 				, tf.type
 				, imgData->pixels
 			);
+
+			// ��ʼ��buffer
+			if (!mVBO)
+				mVBO = new GPUBuffer(BUFFER_TYPE_VERTEX, BUFFER_USAGE_STATIC, 16*sizeof(float)); // position��uv
+
+			if (mWidth != imgData->width || mHeight != imgData->height)
+			{
+				float w = imgData->width, 
+				      h = imgData->height;
+				float buffer[] = {
+					0, 0, 0, 0,
+					0, h, 0, 1,
+					w, h, 1, 1,
+					w, 0, 1, 0
+				};
+				mVBO->Fill(buffer, sizeof(buffer));
+			}
+
 			mWidth = imgData->width; 
 			mHeight = imgData->height;
 			imgData->Unlock();
@@ -86,5 +109,30 @@ namespace AsuraEngine
 			return true;
 		}
 
+		uint32 Image::GetWidth()
+		{
+			return mWidth;
+		}
+
+		uint32 Image::GetHeight()
+		{
+			return mHeight;
+		}
+
+		void Image::UpdateBuffer()
+		{
+			if (!mVBO)
+				return;
+			float w = mWidth,
+			      h = mHeight;
+			float buffer[] = {
+				0, 0, 0, 0,
+				0, h, 0, 1,
+				w, h, 1, 1,
+				w, 0, 1, 0
+			};
+			mVBO->Fill(buffer, sizeof(buffer));
+		}
+
 	}
 }
\ No newline at end of file