Some changes to the OpenGL renderer.

Author: OBattler

src/qt/qt_openglrenderer.cpp

@@ -873,6 +873,10 @@ OpenGLRenderer::initialize()
 
         glw.initializeOpenGLFunctions();
 
+        glw.glClearColor(0, 0, 0, 1);
+
+        glw.glClear(GL_COLOR_BUFFER_BIT);
+
         ogl3_log("OpenGL information: [%s] %s (%s)\n", glw.glGetString(GL_VENDOR), glw.glGetString(GL_RENDERER), glw.glGetString(GL_VERSION));
         gl_version[0] = gl_version[1] = -1;
         glw.glGetIntegerv(GL_MAJOR_VERSION, &gl_version[0]);
@@ -905,12 +909,12 @@ OpenGLRenderer::initialize()
         scene_texture.data            = NULL;
         scene_texture.width           = 2048;
         scene_texture.height          = 2048;
-        scene_texture.internal_format = GL_RGB8;
-        scene_texture.format          = GL_BGR;
+        scene_texture.internal_format = GL_RGBA8;
+        scene_texture.format          = GL_RGBA;
         scene_texture.type            = GL_UNSIGNED_INT_8_8_8_8_REV;
         scene_texture.wrap_mode       = GL_CLAMP_TO_BORDER;
         scene_texture.min_filter = scene_texture.mag_filter = video_filter_method ? GL_LINEAR : GL_NEAREST;
-        scene_texture.mipmap                                = 0;
+        scene_texture.mipmap          = 0;
 
         create_texture(&scene_texture);
 
@@ -1104,10 +1108,6 @@ OpenGLRenderer::initialize()
 
         emit initialized();
 
-        glw.glClearColor(0, 0, 0, 1);
-
-        glw.glClear(GL_COLOR_BUFFER_BIT);
-
         context->swapBuffers(this);
     } catch (const opengl_init_error &e) {
         /* Mark all buffers as in use */