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Examples: Not clearing input data/tex data in atlas (will be required for dynamic atlas anyway). Effectively fix resizing in DX examples.

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+ Standardized comments.
This commit is contained in:
ocornut
2015-11-29 14:54:05 +00:00
parent 6269859315
commit 6cee2fca94
9 changed files with 39 additions and 58 deletions
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16
examples/opengl3_example/imgui_impl_glfw_gl3.cpp
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@ -161,16 +161,17 @@ void ImGui_ImplGlfwGL3_CharCallback(GLFWwindow*, unsigned int c)
io.AddInputCharacter((unsigned short)c);
}
void ImGui_ImplGlfwGL3_CreateFontsTexture()
bool ImGui_ImplGlfwGL3_CreateFontsTexture()
{
ImGuiIO& io = ImGui::GetIO();
// Build texture atlas
ImGuiIO& io = ImGui::GetIO();
unsigned char* pixels;
int width, height;
io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); // Load as RGBA 32-bits for OpenGL3 demo because it is more likely to be compatible with user's existing shader.
// Create OpenGL texture
// Upload texture to graphics system
GLint last_texture;
glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture);
glGenTextures(1, &g_FontTexture);
glBindTexture(GL_TEXTURE_2D, g_FontTexture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
@ -180,9 +181,10 @@ void ImGui_ImplGlfwGL3_CreateFontsTexture()
// Store our identifier
io.Fonts->TexID = (void *)(intptr_t)g_FontTexture;
// Cleanup (don't clear the input data if you want to append new fonts later)
io.Fonts->ClearInputData();
io.Fonts->ClearTexData();
// Restore state
glBindTexture(GL_TEXTURE_2D, last_texture);
return true;
}
bool ImGui_ImplGlfwGL3_CreateDeviceObjects()