private static bool setupFrameBuffer(ref int fbo, ref int fbo_tex, ref int texWidth, ref int texHeight)
{
for (int i = 0; i < 8; i++)
{
if (difftextures[i] != null)
{
texHeight = difftextures[i].height;
texWidth = difftextures[i].width;
break;
}
}
if (texWidth == 0 || texHeight == 0)
{
//F*****G HG HAS F*****G EMPTY TEXTURES WTF AM I SUPPOSED TO MIX HERE
return(false);
}
//Diffuse Output
fbo_tex = Sampler.generate2DTexture(PixelInternalFormat.Rgba, texWidth, texHeight, PixelFormat.Rgba, PixelType.UnsignedByte, 1);
Sampler.setupTextureParameters(TextureTarget.Texture2D, fbo_tex, (int)TextureWrapMode.Repeat,
(int)TextureMagFilter.Linear, (int)TextureMinFilter.LinearMipmapLinear, 4.0f);
//Create New RenderBuffer for the diffuse
fbo = GL.GenFramebuffer();
GL.BindFramebuffer(FramebufferTarget.Framebuffer, fbo);
//Attach Textures to this FBO
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, TextureTarget.Texture2D, fbo_tex, 0);
//Check
Debug.Assert(GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer) == FramebufferErrorCode.FramebufferComplete);
//Bind the FBO
GL.BindFramebuffer(FramebufferTarget.Framebuffer, fbo);
//Set Viewport
GL.GetInteger(GetPName.Viewport, old_vp_size);
GL.Viewport(0, 0, texWidth, texHeight);
return(true);
}
private static Texture mixNormalTextures(int texWidth, int texHeight)
{
//Upload Textures
//BIND TEXTURES
Texture tex;
int loc;
Texture dMask = Common.RenderState.activeResMgr.texMgr.getTexture("default_mask.dds");
Texture dDiff = Common.RenderState.activeResMgr.texMgr.getTexture("default.dds");
//USE PROGRAM
int pass_program = Common.RenderState.activeResMgr.GLShaders[GLSLHelper.SHADER_TYPE.TEXTURE_MIX_SHADER].program_id;
GL.UseProgram(pass_program);
//Upload base Layers Used
int baseLayerIndex = 0;
loc = GL.GetUniformLocation(pass_program, "lbaseLayersUsed");
if (loc >= 0)
{
for (int i = 0; i < 8; i++)
{
if (normaltextures[i] != null)
{
GL.Uniform1(loc + i, 1.0f);
baseLayerIndex = i;
}
else
{
GL.Uniform1(loc + i, 0.0f);
}
}
}
loc = GL.GetUniformLocation(pass_program, "baseLayerIndex");
GL.Uniform1(loc, baseLayerIndex);
//No need for extra alpha tetuxres
loc = GL.GetUniformLocation(pass_program, "use_alpha_textures");
GL.Uniform1(loc, 1.0f);
//Upload DiffuseTextures as alphaTextures
loc = GL.GetUniformLocation(pass_program, "alphaTex");
if (loc >= 0)
{
for (int i = 0; i < 8; i++)
{
if (difftextures[i] != null)
{
tex = difftextures[i];
}
else
{
tex = dMask;
}
//Upload diffuse Texture
GL.Uniform1(loc + i, i); // I need to upload the texture unit number
int tex0Id = (int)TextureUnit.Texture0;
GL.ActiveTexture((TextureUnit)(tex0Id + i));
GL.BindTexture(tex.target, tex.texID);
}
}
//Upload maskTextures
loc = GL.GetUniformLocation(pass_program, "mainTex");
if (loc >= 0)
{
for (int i = 0; i < 8; i++)
{
if (normaltextures[i] != null)
{
tex = normaltextures[i];
}
else
{
tex = dMask;
}
//Upload diffuse Texture
GL.Uniform1(loc + i, 8 + i); // I need to upload the texture unit number
int tex0Id = (int)TextureUnit.Texture8;
GL.ActiveTexture((TextureUnit)(tex0Id + i));
GL.BindTexture(tex.target, tex.texID);
}
}
//Activate Recoloring
loc = GL.GetUniformLocation(pass_program, "recolor_flag");
GL.Uniform1(loc, 0.0f);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.BindVertexArray(RenderState.activeResMgr.GLPrimitiveVaos["default_renderquad"].vao_id);
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Fill);
GL.DrawElements(PrimitiveType.Triangles, 6, DrawElementsType.UnsignedInt, IntPtr.Zero);
//Console.WriteLine("MixTextures5, Last GL Error: " + GL.GetError());
int out_tex_2darray_mask = Sampler.generateTexture2DArray(PixelInternalFormat.Rgba8, texWidth, texHeight, 1, PixelFormat.Rgba, PixelType.UnsignedByte, 11);
Sampler.setupTextureParameters(TextureTarget.Texture2DArray, out_tex_2darray_mask, (int)TextureWrapMode.Repeat,
(int)TextureMagFilter.Linear, (int)TextureMinFilter.LinearMipmapLinear, 4.0f);
//Copy the read buffers to the
GL.BindTexture(TextureTarget.Texture2DArray, out_tex_2darray_mask);
GL.ReadBuffer(ReadBufferMode.ColorAttachment0);
GL.CopyTexSubImage3D(TextureTarget.Texture2DArray, 0, 0, 0, 0, 0, 0, texWidth, texHeight);
//Generate Mipmaps to the new textures from the base level
Sampler.generateTexture2DArrayMipmaps(out_tex_2darray_mask);
//Find name for textures
//Store Diffuse Texture to material
Texture new_tex = new Texture();
new_tex.texID = out_tex_2darray_mask;
new_tex.target = TextureTarget.Texture2DArray;
#if (DUMP_TEXTURES)
GL.ReadBuffer(ReadBufferMode.ColorAttachment0);
Sampler.dump_texture("normal", texWidth, texHeight);
#endif
return(new_tex);
}
