From 8644e03586ac9c39741f62cbcbce87b18805538c Mon Sep 17 00:00:00 2001 From: chai Date: Thu, 14 Mar 2019 23:12:54 +0800 Subject: =?UTF-8?q?*=E5=A4=A7=E5=B0=8F=E5=86=99?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Source/Asura.Engine/graphics/canvas.cpp | 41 +++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Source/Asura.Engine/graphics/canvas.cpp (limited to 'Source/Asura.Engine/graphics/canvas.cpp') diff --git a/Source/Asura.Engine/graphics/canvas.cpp b/Source/Asura.Engine/graphics/canvas.cpp new file mode 100644 index 0000000..61787b6 --- /dev/null +++ b/Source/Asura.Engine/graphics/canvas.cpp @@ -0,0 +1,41 @@ +#include "Canvas.h" + +namespace AsuraEngine +{ + namespace Graphics + { + + Canvas::Canvas() + : Texture() + , mWidth(0) + , mHeight(0) + { + glGenFramebuffers(1, &mFBO); + GLint current_fbo; + glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, ¤t_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, ¤t_tex); + glBindTexture(GL_TEXTURE_2D, mTextureHandle); + + glBindTexture(GL_TEXTURE_2D, current_tex); + } + + void Canvas::Bind() + { + + } + + void Canvas::Unbind() + { + + } + + } +} \ No newline at end of file -- cgit v1.1-26-g67d0