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chore: set all needed glPixelStore states for ImGuiImplGl3 (#298)

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Fixes a crash when trying to upload the texture if the application changed one of the 3 added states before ImGui was initialized
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RK_01 authored and GitHub committed 2024-11-12 10:48:10 +02:00
1 parent e8f9b01dd5
commit 4b0cf7bdfe
1 file changed
+6
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imgui-lwjgl3/src/main/java/imgui/gl3/ImGuiImplGl3.java
+6
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@@ -65,6 +65,9 @@ import static org.lwjgl.opengl.GL32.GL_TEXTURE_MAG_FILTER;
import static org.lwjgl.opengl.GL32.GL_TEXTURE_MIN_FILTER;
import static org.lwjgl.opengl.GL32.GL_TRIANGLES;
import static org.lwjgl.opengl.GL32.GL_TRUE;
import static org.lwjgl.opengl.GL32.GL_UNPACK_ALIGNMENT;
import static org.lwjgl.opengl.GL32.GL_UNPACK_SKIP_PIXELS;
import static org.lwjgl.opengl.GL32.GL_UNPACK_SKIP_ROWS;
import static org.lwjgl.opengl.GL32.GL_UNPACK_ROW_LENGTH;
import static org.lwjgl.opengl.GL32.GL_UNSIGNED_BYTE;
import static org.lwjgl.opengl.GL32.GL_UNSIGNED_INT;
@@ -545,6 +548,9 @@ public class ImGuiImplGl3 {
glBindTexture(GL_TEXTURE_2D, data.fontTexture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glPixelStorei(GL_UNPACK_ALIGNMENT, 4); // Not on WebGL/ES
glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0); // Not on WebGL/ES
glPixelStorei(GL_UNPACK_SKIP_ROWS, 0); // Not on WebGL/ES
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); // Not on WebGL/ES
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width.get(), height.get(), 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels);