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Examples: GLFW+GL3, SDL+GL3: Fixed modifying bound Texture0 (#1087, #1088, #1116)

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This commit is contained in:
omar
2017-04-26 18:16:59 +02:00
parent 670775ac22
commit 50b4b29beb
3 changed files with 8 additions and 7 deletions
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6
examples/opengl3_example/imgui_impl_glfw_gl3.cpp
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@ -44,9 +44,10 @@ void ImGui_ImplGlfwGL3_RenderDrawLists(ImDrawData* draw_data)
draw_data->ScaleClipRects(io.DisplayFramebufferScale);
// Backup GL state
GLint last_active_texture; glGetIntegerv(GL_ACTIVE_TEXTURE, &last_active_texture);
glActiveTexture(GL_TEXTURE0);
GLint last_program; glGetIntegerv(GL_CURRENT_PROGRAM, &last_program);
GLint last_texture; glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture);
GLint last_active_texture; glGetIntegerv(GL_ACTIVE_TEXTURE, &last_active_texture);
GLint last_array_buffer; glGetIntegerv(GL_ARRAY_BUFFER_BINDING, &last_array_buffer);
GLint last_element_array_buffer; glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &last_element_array_buffer);
GLint last_vertex_array; glGetIntegerv(GL_VERTEX_ARRAY_BINDING, &last_vertex_array);
@ -68,7 +69,6 @@ void ImGui_ImplGlfwGL3_RenderDrawLists(ImDrawData* draw_data)
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
glEnable(GL_SCISSOR_TEST);
glActiveTexture(GL_TEXTURE0);
// Setup viewport, orthographic projection matrix
glViewport(0, 0, (GLsizei)fb_width, (GLsizei)fb_height);
@ -114,8 +114,8 @@ void ImGui_ImplGlfwGL3_RenderDrawLists(ImDrawData* draw_data)
// Restore modified GL state
glUseProgram(last_program);
glActiveTexture(last_active_texture);
glBindTexture(GL_TEXTURE_2D, last_texture);
glActiveTexture(last_active_texture);
glBindVertexArray(last_vertex_array);
glBindBuffer(GL_ARRAY_BUFFER, last_array_buffer);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, last_element_array_buffer);