public static void PrepareForUse(VertexDeclaration vd)
{
GLStateManager.VertexArray(true);
bool normal = false;
bool color = false;
bool texcoord = false;
foreach (var ve in vd.GetVertexElements())
{
switch (ve.VertexElementUsage)
{
case VertexElementUsage.Position:
GL.VertexPointer(
ve.VertexElementFormat.OpenGLNumberOfElements(),
ve.VertexElementFormat.OpenGLVertexPointerType(),
vd.VertexStride,
(IntPtr)ve.Offset
);
break;
case VertexElementUsage.Color:
GL.ColorPointer(
ve.VertexElementFormat.OpenGLNumberOfElements(),
ve.VertexElementFormat.OpenGLColorPointerType(),
vd.VertexStride,
(IntPtr)ve.Offset
);
color = true;
break;
case VertexElementUsage.Normal:
GL.NormalPointer(
ve.VertexElementFormat.OpenGLNormalPointerType(),
vd.VertexStride,
(IntPtr)ve.Offset
);
normal = true;
break;
case VertexElementUsage.TextureCoordinate:
GL.TexCoordPointer(
ve.VertexElementFormat.OpenGLNumberOfElements(),
ve.VertexElementFormat.OpenGLTexCoordPointerType(),
vd.VertexStride,
(IntPtr)ve.Offset
);
texcoord = true;
break;
default:
throw new NotImplementedException();
}
}
GLStateManager.TextureCoordArray(texcoord);
GLStateManager.ColorArray(color);
GLStateManager.NormalArray(normal);
}
public static void PrepareForUse(VertexDeclaration vd, IntPtr arrayStart)
{
GLStateManager.VertexArray(true);
bool normal = false;
bool color = false;
bool texcoord = false;
foreach (var ve in vd.GetVertexElements())
{
switch (ve.VertexElementUsage)
{
case VertexElementUsage.Position:
/* TODO GL.VertexPointer(
* ve.VertexElementFormat.OpenGLNumberOfElements(),
* ve.VertexElementFormat.OpenGLValueType(),
* vd.VertexStride,
* new IntPtr(arrayStart.ToInt32() + ve.Offset)
* );*/
break;
case VertexElementUsage.Color:
/* TODO GL.ColorPointer(
* ve.VertexElementFormat.OpenGLNumberOfElements(),
* ve.VertexElementFormat.OpenGLValueType(),
* vd.VertexStride,
* new IntPtr(arrayStart.ToInt32() + ve.Offset)
* );*/
color = true;
break;
case VertexElementUsage.Normal:
/* TODO GL.NormalPointer(
* ve.VertexElementFormat.OpenGLValueType(),
* vd.VertexStride,
* new IntPtr(arrayStart.ToInt32() + ve.Offset)
* );*/
normal = true;
break;
case VertexElementUsage.TextureCoordinate:
/* TODO GL.TexCoordPointer(
* ve.VertexElementFormat.OpenGLNumberOfElements(),
* ve.VertexElementFormat.OpenGLValueType(),
* vd.VertexStride,
* new IntPtr(arrayStart.ToInt32() + ve.Offset)
* );*/
texcoord = true;
break;
default:
throw new NotImplementedException();
}
}
GLStateManager.TextureCoordArray(texcoord);
GLStateManager.ColorArray(color);
GLStateManager.NormalArray(normal);
}
internal override void Apply()
{
// May need to be moved elsewhere within this method
OnApply();
GLStateManager.Projection(Projection);
GLStateManager.World(World);
GLStateManager.View(View);
base.Apply();
GLStateManager.Textures2D(Texture != null);
GLStateManager.ColorArray(VertexColorEnabled);
}
internal override void Apply()
{
// May need to be moved elsewhere within this method
OnApply();
GLStateManager.Viewport(Game.Instance.Window.ClientBounds);
GLStateManager.Projection(Projection);
GLStateManager.WorldView(World, View);
base.Apply();
GLStateManager.Textures2D(Texture != null);
GLStateManager.ColorArray(VertexColorEnabled);
}
internal void UnsetGraphicsStates()
{
// Make sure we are not user any shaders
GL.UseProgram(0);
// if primitives were used then we need to reset them
if (resetVertexStates)
{
GLStateManager.VertexArray(false);
GLStateManager.ColorArray(false);
GLStateManager.NormalArray(false);
GLStateManager.TextureCoordArray(false);
resetVertexStates = false;
}
GL.PopMatrix();
}
internal override void Apply()
{
// May need to be moved elsewhere within this method
OnApply();
GLStateManager.Projection(Projection);
GLStateManager.WorldView(World, View);
// this should probably not be here.
// this should probably be set immediately on assignment.
GLStateManager.Cull(this.graphicsDevice.RasterizerState.CullMode);
base.Apply();
GLStateManager.Textures2D(Texture != null);
GLStateManager.ColorArray(VertexColorEnabled);
}
/// <summary>
/// Lazily computes derived parameter values immediately before applying the effect.
/// </summary>
protected internal override void OnApply()
{
// Recompute the shader index?
// if ((dirtyFlags & EffectDirtyFlags.ShaderIndex) != 0) {
int shaderIndex = 0;
if (!fogEnabled)
{
shaderIndex += 1;
}
if (vertexColorEnabled)
{
shaderIndex += 2;
}
if (textureEnabled)
{
shaderIndex += 4;
}
if (lightingEnabled)
{
if (preferPerPixelLighting)
{
shaderIndex += 24;
}
else if (oneLight)
{
shaderIndex += 16;
}
else
{
shaderIndex += 8;
}
}
//
// //shaderIndexParam.SetValue (shaderIndex);
//
// dirtyFlags &= ~EffectDirtyFlags.ShaderIndex;
if (oldIndex != shaderIndex)
{
int vertexShader = VSArray[VSIndices[shaderIndex]];
int fragmentShader = PSArray[PSIndices[shaderIndex]];
UpdateTechnique("BasicEffect", "", vertexShader, fragmentShader);
oldIndex = shaderIndex;
// Update here
}
// }
// These are the states that work
GLStateManager.Projection(Projection);
GLStateManager.WorldView(world, view);
// Override this for now for testing purposes
dirtyFlags |= EffectDirtyFlags.World | EffectDirtyFlags.WorldViewProj;
dirtyFlags |= EffectDirtyFlags.WorldViewProj | EffectDirtyFlags.EyePosition;
dirtyFlags &= ~EffectDirtyFlags.FogEnable; // turn off fog for now
dirtyFlags |= EffectDirtyFlags.MaterialColor;
GLStateManager.Textures2D(TextureEnabled);
GLStateManager.ColorArray(VertexColorEnabled);
// Recompute the world+view+projection matrix or fog vector?
dirtyFlags = EffectHelpers.SetWorldViewProjAndFog(dirtyFlags, ref world, ref view, ref projection, ref worldView, fogEnabled, fogStart, fogEnd, worldViewProjParam, fogVectorParam);
// Recompute the diffuse/emissive/alpha material color parameters?
if ((dirtyFlags & EffectDirtyFlags.MaterialColor) != 0)
{
EffectHelpers.SetMaterialColor(lightingEnabled, alpha, ref diffuseColor, ref emissiveColor, ref ambientLightColor, diffuseColorParam, emissiveColorParam);
dirtyFlags &= ~EffectDirtyFlags.MaterialColor;
}
if (TextureEnabled)
{
_texture.Apply();
textureParam.SetValue(_texture);
//System.Console.WriteLine("Texture set");
}
//
// if (lightingEnabled) {
// // Recompute the world inverse transpose and eye position?
// dirtyFlags = EffectHelpers.SetLightingMatrices (dirtyFlags, ref world, ref view, worldParam, worldInverseTransposeParam, eyePositionParam);
//
// // Check if we can use the only-bother-with-the-first-light shader optimization.
// bool newOneLight = !light1.Enabled && !light2.Enabled;
//
// if (oneLight != newOneLight) {
// oneLight = newOneLight;
// dirtyFlags |= EffectDirtyFlags.ShaderIndex;
// }
// }
}
