protected override void DoInitialize()
{
base.DoInitialize();
{
var bitmap = new Bitmap(width, height);
using (var g = Graphics.FromImage(bitmap))
{
g.Clear(Color.Red);
g.DrawString("CSharpGL", new Font("宋体", 88F), new SolidBrush(Color.Gold), new PointF(0, height / 2));
}
{
this.inTexture = this.GetTexture(bitmap);
}
{
var storage = new TexStorage2D(TexStorage2D.Target.Texture2D, GL.GL_RGBA32F, width, height, 8);
var texture = new Texture(storage);
texture.Initialize();
this.outTexture = texture;
}
bitmap.Dispose();
}
}
private void InitIntermediateTexture()
{
var storage = new TexStorage2D(TexStorage2D.Target.Texture2D, GL.GL_RGBA32F, 8, width, height);
var texture = new Texture(storage);
texture.Initialize();
this.intermediateTexture = texture;
}
private void InitFinalTexture()
{
var storage = new TexStorage2D(TexStorage2D.Target.Texture2D, GL.GL_RGBA32F, 8, width, height);
var texture = new Texture(TextureTarget.Texture2D, storage);
texture.Initialize();
this.finalTexture = texture;
}
protected override void DoInitialize()
{
base.DoInitialize();
{
this.GroupX = 1;
this.GroupY = 1;
this.GroupZ = 1;
}
{
// This is the texture that the compute program will write into
var storage = new TexStorage2D(TexStorage2D.Target.Texture2D, GL.GL_RGBA32F, 8, 256, 256);
var texture = new Texture(storage);
texture.Initialize();
this.outputTexture = texture;
}
{
RenderMethod method = this.RenderUnit.Methods[2];
ShaderProgram program = method.Program;
program.SetUniform("output_image", this.outputTexture);
}
}
private static void Load_VERSION_4_2()
{
DrawArraysInstancedBaseInstance = GetAddress <DrawArraysInstancedBaseInstance>("glDrawArraysInstancedBaseInstance");
_DrawElementsInstancedBaseInstance = GetAddress <DrawElementsInstancedBaseInstance>("glDrawElementsInstancedBaseInstance");
_DrawElementsInstancedBaseVertexBaseInstance = GetAddress <DrawElementsInstancedBaseVertexBaseInstance>("glDrawElementsInstancedBaseVertexBaseInstance");
GetInternalformati = GetAddress <GetInternalformati>("glGetInternalformativ");
GetInternalformativ = GetAddress <GetInternalformativ>("glGetInternalformativ");
GetActiveAtomicCounterBufferi = GetAddress <GetActiveAtomicCounterBufferi>("glGetActiveAtomicCounterBufferiv");
GetActiveAtomicCounterBufferiv = GetAddress <GetActiveAtomicCounterBufferiv>("glGetActiveAtomicCounterBufferiv");
BindImageTexture = GetAddress <BindImageTexture>("glBindImageTexture");
MemoryBarrier = GetAddress <MemoryBarrier>("glMemoryBarrier");
TexStorage1D = GetAddress <TexStorage1D>("glTexStorage1D");
TexStorage2D = GetAddress <TexStorage2D>("glTexStorage2D");
TexStorage3D = GetAddress <TexStorage3D>("glTexStorage3D");
DrawTransformFeedbackInstanced = GetAddress <DrawTransformFeedbackInstanced>("glDrawTransformFeedbackInstanced");
DrawTransformFeedbackStreamInstanced = GetAddress <DrawTransformFeedbackStreamInstanced>("glDrawTransformFeedbackStreamInstanced");
VERSION_4_2 = VERSION_4_1 && DrawArraysInstancedBaseInstance != null && _DrawElementsInstancedBaseInstance != null &&
_DrawElementsInstancedBaseVertexBaseInstance != null && GetInternalformati != null && GetInternalformativ != null &&
GetActiveAtomicCounterBufferi != null && GetActiveAtomicCounterBufferiv != null && BindImageTexture != null &&
MemoryBarrier != null && TexStorage1D != null && TexStorage2D != null && TexStorage3D != null &&
DrawTransformFeedbackInstanced != null && DrawTransformFeedbackStreamInstanced != null;
}
