Examples: Reworked setup of clear color to be compatible with transparent values. (#2693, #2764, #2766, #2873, #3447, #3813, #3816)

This commit is contained in:
ocornut
2021-02-17 19:29:39 +01:00
parent bda12e5fdd
commit 6a161b8789
20 changed files with 36 additions and 23 deletions

View File

@ -76,7 +76,7 @@ void glut_display_func()
ImGui::Render();
ImGuiIO& io = ImGui::GetIO();
glViewport(0, 0, (GLsizei)io.DisplaySize.x, (GLsizei)io.DisplaySize.y);
glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w);
glClearColor(clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w);
glClear(GL_COLOR_BUFFER_BIT);
//glUseProgram(0); // You may want this if using this code in an OpenGL 3+ context where shaders may be bound, but prefer using the GL3+ code.
ImGui_ImplOpenGL2_RenderDrawData(ImGui::GetDrawData());