private void ClearBackground(uint cx, uint cy)
{
GSEffect solid = Obs.GetSolidEffect();
solid.SetParameterValue("color", new Vector4(0.0f, 0.0f, 0.0f, 1.0f));
GSEffectTechnique tech = solid.GetTechnique("Solid");
GS.TechniqueBegin(tech);
GS.TechniqueBeginPass(tech, 0);
GS.MatrixPush();
GS.MatrixIdentity();
GS.MatrixScale3f((float)cx, (float)cy, 1.0f);
GS.LoadVertexBuffer(boxPrimitive);
//draw solid black color over the scene
GS.Draw(GSDrawMode.TrisStrip, 0, 0);
GS.MatrixPop();
GS.TechniqueEndPass(tech);
GS.TechniqueEnd(tech);
GS.LoadVertexBuffer(null);
}
private void DrawOutline(libobs.matrix4 matrix, float width, float height, float outlineThickness)
{
Vector3 scale = new Vector3(previewScale, previewScale, previewScale);
libobs.matrix4_scale(out matrix, out matrix, out scale);
GS.MatrixPush();
GS.MatrixIdentity();
GS.MatrixMul(matrix);
float thickW = outlineThickness / width / previewScale;
float thickH = outlineThickness / height / previewScale;
GS.MatrixPush();
GS.MatrixScale3f(1.0f - thickW, thickH, 1.0f);
GS.Draw(GSDrawMode.TrisStrip, 0, 0);
GS.MatrixPop();
GS.MatrixPush();
GS.MatrixTranslate(new Vector3(1.0f, 0.0f, 0.0f));
GS.MatrixScale3f(-thickW, 1.0f - thickH, 1.0f);
GS.Draw(GSDrawMode.TrisStrip, 0, 0);
GS.MatrixPop();
GS.MatrixPush();
GS.MatrixTranslate(new Vector3(1.0f, 1.0f, 0.0f));
GS.MatrixScale3f(-1.0f + thickW, -thickH, 1.0f);
GS.Draw(GSDrawMode.TrisStrip, 0, 0);
GS.MatrixPop();
GS.MatrixPush();
GS.MatrixTranslate(new Vector3(0.0f, 1.0f, 0.0f));
GS.MatrixScale3f(thickW, -1.0f + thickH, 1.0f);
GS.Draw(GSDrawMode.TrisStrip, 0, 0);
GS.MatrixPop();
GS.MatrixPop();
}
protected override void AD2Draw(AD2SpriteBatch sb)
{
GS.Draw(sb);
}