public static void Draw(STGenericTexture texture, int width, int height, Viewport2D.Camera2D camera, bool showAlpha)
{
Vector3 scale = new Vector3(1, 1, 1);
scale = UpdateAspectScale(scale, width, height, texture);
Init();
var shader = GlobalShaders.GetShader("IMAGE_EDITOR");
shader.Enable();
var cameraMtx = Matrix4.CreateScale(100) * camera.ProjectionMatrix;
shader.SetMatrix4x4("mtxCam", ref cameraMtx);
GL.Disable(EnableCap.Blend);
DrawBackground(shader);
cameraMtx = camera.ViewMatrix * camera.ProjectionMatrix;
shader.SetMatrix4x4("mtxCam", ref cameraMtx);
DrawImage(shader, texture, scale.Xy, showAlpha);
}
public static void Draw(STGenericTexture texture,
STGenericTextureMap textureMap, int width, int height, Vector2 aspectScale, Viewport2D.Camera2D camera)
{
Vector2 bgscale = new Vector2(100, 100);
Init();
GL.Disable(EnableCap.CullFace);
var shader = GlobalShaders.GetShader("UV_WINDOW");
shader.Enable();
var cameraMtx = camera.ViewMatrix * camera.ProjectionMatrix;
shader.SetMatrix4x4("mtxCam", ref cameraMtx);
GL.ActiveTexture(TextureUnit.Texture1);
BindTexture(texture, textureMap);
shader.SetInt("uvTexture", 1);
shader.SetInt("hasTexture", 1);
shader.SetVector2("scale", bgscale * aspectScale);
shader.SetVector2("texCoordScale", bgscale);
shader.SetVector4("uColor", new Vector4(0.5f, 0.5f, 0.5f, 1.0f));
if (texture != null)
{
shader.SetBoolToInt("isSRGB", texture.IsSRGB);
}
//Draw background
vao.Enable(shader);
vao.Use();
GL.DrawArrays(PrimitiveType.TriangleStrip, 0, Length);
//Draw main texture quad inside boundings (0, 1)
shader.SetVector2("scale", aspectScale);
shader.SetVector2("texCoordScale", new Vector2(1));
shader.SetVector4("uColor", new Vector4(1));
vao.Enable(shader);
vao.Use();
GL.DrawArrays(PrimitiveType.TriangleStrip, 0, Length);
//Draw outline of boundings (0, 1)
shader.SetInt("hasTexture", 0);
shader.SetVector2("scale", aspectScale);
shader.SetVector2("texCoordScale", new Vector2(1));
shader.SetVector4("uColor", new Vector4(0, 0, 0, 1));
vao.Enable(shader);
vao.Use();
GL.LineWidth(1);
GL.DrawArrays(PrimitiveType.LineLoop, 0, Length);
GL.Enable(EnableCap.CullFace);
}