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Examples: OpenGL3: Implement ImGui_ImplGlfwGL3_InvalidateDeviceObjects() like other examples.

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This commit is contained in:
ocornut 2015-11-08 22:52:25 +00:00
parent e4fb14a9e0
commit 1d76890526
1 changed files with 27 additions and 22 deletions
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49
examples/opengl3_example/imgui_impl_glfw_gl3.cpp
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@ -262,6 +262,32 @@ bool ImGui_ImplGlfwGL3_CreateDeviceObjects()
return true;
}
void ImGui_ImplGlfwGL3_InvalidateDeviceObjects()
{
if (g_VaoHandle) glDeleteVertexArrays(1, &g_VaoHandle);
if (g_VboHandle) glDeleteBuffers(1, &g_VboHandle);
if (g_ElementsHandle) glDeleteBuffers(1, &g_ElementsHandle);
g_VaoHandle = g_VboHandle = g_ElementsHandle = 0;
glDetachShader(g_ShaderHandle, g_VertHandle);
glDeleteShader(g_VertHandle);
g_VertHandle = 0;
glDetachShader(g_ShaderHandle, g_FragHandle);
glDeleteShader(g_FragHandle);
g_FragHandle = 0;
glDeleteProgram(g_ShaderHandle);
g_ShaderHandle = 0;
if (g_FontTexture)
{
glDeleteTextures(1, &g_FontTexture);
ImGui::GetIO().Fonts->TexID = 0;
g_FontTexture = 0;
}
}
bool ImGui_ImplGlfwGL3_Init(GLFWwindow* window, bool install_callbacks)
{
g_Window = window;
@ -307,28 +333,7 @@ bool ImGui_ImplGlfwGL3_Init(GLFWwindow* window, bool install_callbacks)
void ImGui_ImplGlfwGL3_Shutdown()
{
if (g_VaoHandle) glDeleteVertexArrays(1, &g_VaoHandle);
if (g_VboHandle) glDeleteBuffers(1, &g_VboHandle);
if (g_ElementsHandle) glDeleteBuffers(1, &g_ElementsHandle);
g_VaoHandle = g_VboHandle = g_ElementsHandle = 0;
glDetachShader(g_ShaderHandle, g_VertHandle);
glDeleteShader(g_VertHandle);
g_VertHandle = 0;
glDetachShader(g_ShaderHandle, g_FragHandle);
glDeleteShader(g_FragHandle);
g_FragHandle = 0;
glDeleteProgram(g_ShaderHandle);
g_ShaderHandle = 0;
if (g_FontTexture)
{
glDeleteTextures(1, &g_FontTexture);
ImGui::GetIO().Fonts->TexID = 0;
g_FontTexture = 0;
}
ImGui_ImplGlfwGL3_InvalidateDeviceObjects();
ImGui::Shutdown();
}