internal void Init()
{
REngine.CheckGLError();
defaultShader = new RShader();
defaultShader.Load(RShaderResources.Basic2dEffectVert, RShaderResources.Basic2dEffectFrag, null);
Fonts.Add(RFont.Default);
quad = new RMeshBuilder();
quad.CreateQuad(new Vector2(0, 0), new Vector2(1, 1), true);
quadVerts = new RVertexData2D[4];
quadVerts[0] = new RVertexData2D(new Vector2(-1, -1), new Vector2(0, 0));
quadVerts[1] = new RVertexData2D(new Vector2(1, -1), new Vector2(1, 0));
quadVerts[2] = new RVertexData2D(new Vector2(1, 1), new Vector2(1, 1));
quadVerts[3] = new RVertexData2D(new Vector2(-1, 1), new Vector2(0, 1));
vertexQuad2D = new RVertexBuffer(quadVerts[0].Declaration, 4, RBufferUsage.WriteOnly);
vertexQuad2D.SetData <RVertexData2D>(quadVerts);
indexQuad2D = new RIndexBuffer(typeof(short), 6, RBufferUsage.WriteOnly);
indexQuad2D.SetData <short>(new short[6] {
0, 1, 2, 0, 2, 3
}, 0, 6);
initialized = true;
}
public void CreateSkyBox(RTexture3D skyBoxTexture)
{
skybox = new RShader();
skybox.Load(@"
#include ""headers.glsl""
uniform mat4 proj : PROJECTION;
uniform mat4 mv : MODELVIEW;
smooth out vec3 eye;
void main()
{
mat3 imv = mat3(inverse(mv));
mat4 inverseProjection = inverse(proj);
vec3 unprojected = (inverseProjection * vec4(r_Position, 1.0)).xyz;
eye = imv * unprojected;
gl_Position = vec4(r_Position, 1.0);
}
", @"
smooth in vec3 eye;
uniform samplerCube diffuse;
out vec4 fragColor;
void main()
{
fragColor = texture(diffuse, eye);
}
", null);
sky = RScene.Instance.CreateMeshBuilder("skybox");
sky.CreateBox(Vector3.Zero, Vector3.One, true);
sky.Matrix = Matrix.Identity;
sky.DepthWrite = false;
RMaterial skyBoxMaterial = new RMaterial("skybox");
skyBoxMaterial.Shader = skybox;
skyBoxMaterial.SetTexture(RTextureLayer.DIFFUSE, skyBoxTexture);
sky.Material = skyBoxMaterial;
}
public void InitHDR()
{
hdrFrameBuffer = new RFrameBuffer((int)_viewport.Width, (int)_viewport.Height, false, RSurfaceFormat.Vector4, RDepthFormat.Depth32Stencil8);
hdrShader = new RShader();
hdrShader.Load(RShaderResources.HDRVert, RShaderResources.HDRFrag);
}