/// <summary>
/// Initializes a new instance of the <see cref="Renderer"/> class.
/// </summary>
public Renderer()
{
_commandBuckets = new List <CommandBucket>();
_nextFrameCommands = new Command[MaxCommands];
_commandCount = 0;
_views = new Dictionary <byte, View>();
_shaderPrograms = new Dictionary <int, ShaderProgram>();
#if RENDERER_GL
_glProgramCache = new ResourceCache <GLShaderProgram>(MaxShaderPrograms);
_glShaderCache = new ResourceCache <GLShader>(MaxShaderPrograms);
_glVBCache = new ResourceCache <GLBuffer>(MaxVertexBuffers);
_glIBCache = new ResourceCache <GLBuffer>(MaxIndexBuffers);
_glTextureCache = new ResourceCache <GLTexture>(MaxTextures);
_glSamplerCache = new ResourceCache <GLSampler>(MaxTextures);
#endif
_currentState = new FrameState();
_defaultBlendState = new BlendState();
_defaultDepthState = new DepthState();
_defaultRasteriserState = new RasteriserState();
_defaultTextureSampler = new TextureSampler();
}
public void SetTexture(uint stage, Texture texture, Uniform textureUniform, TextureSampler textureSampler)
{
TextureStages[stage].Texture = texture;
TextureStages[stage].TextureUniform = textureUniform;
TextureStages[stage].TextureSampler = textureSampler;
Instructions |= (CommandInstructions)Enum.Parse(typeof(CommandInstructions), $"SetTexture{stage}");
}
public void Build(TextureSampler sampler)
{
GL.SamplerParameter(SamplerRef, SamplerParameterName.TextureWrapS, (int)glTextureWrapMapping[sampler.AddressU]);
GL.SamplerParameter(SamplerRef, SamplerParameterName.TextureWrapT, (int)glTextureWrapMapping[sampler.AddressV]);
GL.SamplerParameter(SamplerRef, SamplerParameterName.TextureWrapR, (int)glTextureWrapMapping[sampler.AddressW]);
// When we're working with mips we do special handling
if (sampler.MipFilter != TextureFilter.None)
{
if (sampler.MipFilter == TextureFilter.Nearest && sampler.MinFilter == TextureFilter.Nearest)
{
GL.SamplerParameter(SamplerRef, SamplerParameterName.TextureMinFilter, (int)TextureMinFilter.NearestMipmapNearest);
}
else if (sampler.MipFilter == TextureFilter.Nearest && sampler.MinFilter == TextureFilter.Linear)
{
GL.SamplerParameter(SamplerRef, SamplerParameterName.TextureMinFilter, (int)TextureMinFilter.LinearMipmapNearest);
}
else if (sampler.MipFilter == TextureFilter.Linear && sampler.MinFilter == TextureFilter.Nearest)
{
GL.SamplerParameter(SamplerRef, SamplerParameterName.TextureMinFilter, (int)TextureMinFilter.LinearMipmapNearest);
}
else
{
GL.SamplerParameter(SamplerRef, SamplerParameterName.TextureMinFilter, (int)TextureMinFilter.LinearMipmapLinear);
}
}
else
{
if (sampler.MinFilter == TextureFilter.Nearest)
{
GL.SamplerParameter(SamplerRef, SamplerParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
}
else
{
GL.SamplerParameter(SamplerRef, SamplerParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
}
if (sampler.MagFilter == TextureFilter.Nearest)
{
GL.SamplerParameter(SamplerRef, SamplerParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
}
else
{
GL.SamplerParameter(SamplerRef, SamplerParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
}
}
// TODO: Support for antrioscopic filtering.
}
/// <summary>
/// Creates the specified sampler.
/// </summary>
/// <param name="sampler">The sampler.</param>
public void Create(TextureSampler sampler)
{
SamplerRef = GL.GenSampler();
this.Build(sampler);
}
