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-rw-r--r--Source/Asura.Engine/Graphics/Canvas.cpp32
1 files changed, 31 insertions, 1 deletions
diff --git a/Source/Asura.Engine/Graphics/Canvas.cpp b/Source/Asura.Engine/Graphics/Canvas.cpp
index 8ca6fb2..61787b6 100644
--- a/Source/Asura.Engine/Graphics/Canvas.cpp
+++ b/Source/Asura.Engine/Graphics/Canvas.cpp
@@ -5,7 +5,37 @@ namespace AsuraEngine
namespace Graphics
{
-
+ Canvas::Canvas()
+ : Texture()
+ , mWidth(0)
+ , mHeight(0)
+ {
+ glGenFramebuffers(1, &mFBO);
+ GLint current_fbo;
+ glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &current_fbo);
+ glBindFramebuffer(GL_FRAMEBUFFER, mFBO);
+ glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mTextureHandle, 0);
+ glBindFramebuffer(GL_FRAMEBUFFER, current_fbo);
+ }
+
+ void Canvas::SetSize(uint w, uint h)
+ {
+ GLint current_tex;
+ glGetIntegerv(GL_TEXTURE_BINDING_2D, &current_tex);
+ glBindTexture(GL_TEXTURE_2D, mTextureHandle);
+
+ glBindTexture(GL_TEXTURE_2D, current_tex);
+ }
+
+ void Canvas::Bind()
+ {
+
+ }
+
+ void Canvas::Unbind()
+ {
+
+ }
}
} \ No newline at end of file