public MagicBackground()
{
shader = new Shader();
float v = Shader.Version;
shader.LoadVertexFile(Path.Combine("Effects", v < 3.3f ? "v12" : "v33", "magic_background.vert"));
shader.LoadFragmentFile(Path.Combine("Effects", v < 3.3f ? "v12" : "v33", "magic_background.frag"));
shader.Link();
buffer = new VertexBuffer(4);
buffer.DeclareNextAttribute("vposition", 2);
buffer.DeclareNextAttribute("vtexcoord", 2);
buffer.DeclareNextAttribute("vcolor", 4);
buffer.Attach(shader);
buffer.AddVertex(-1, -1, 0, 0, 1f, 1f, 1f, 1f);
buffer.AddVertex(1, -1, 1, 0, 1f, 1f, 1f, 1f);
buffer.AddVertex(1, 1, 1, 1, 1, 1, 1, 1);
buffer.AddVertex(-1, 1, 0, 1, 1, 1, 1, 1);
buffer.AddIndices(0, 1, 2, 0, 2, 3);
buffer.UpdateBuffer();
}
public SpriteBatch()
{
_batchItemList = new List<BatchItem>(256);
_freeBatchItemQueue = new Queue<BatchItem>(256);
vbuffer = new VertexBuffer(1024);
defaultShader = new Shader();
if (Shader.Version < 3.3f)
{
defaultShader.LoadVertexSource(@"#version 120
uniform mat4 projection, view;
attribute vec2 vposition;
attribute vec4 vcolor;
attribute vec2 vtexcoord;
varying vec4 fcolor;
varying vec2 ftexcoord;
void main(void)
{
fcolor = vcolor;
ftexcoord = vtexcoord;
gl_Position = projection * view * vec4(vposition, 0, 1);
}");
defaultShader.LoadFragmentSource(@"#version 120
uniform sampler2D colorTexture;
varying vec4 fcolor; varying vec2 ftexcoord;
void main(void) { gl_FragColor = texture2D(colorTexture, ftexcoord) * fcolor; }");
}
else
{
defaultShader.LoadVertexSource(@"#version 330 core
uniform mat4 projection, view;
in vec2 vposition; in vec4 vcolor; in vec2 vtexcoord;
out vec4 fcolor; out vec2 ftexcoord;
void main(void) {
fcolor = vcolor;
ftexcoord = vtexcoord;
gl_Position = projection * view * vec4(vposition, 0, 1); }");
defaultShader.LoadFragmentSource(@"#version 330 core
uniform sampler2D colorTexture;
in vec4 fcolor; in vec2 ftexcoord;
out vec4 color;
void main(void) { color = texture(colorTexture, ftexcoord) * fcolor; }");
}
defaultShader.Link();
BindShader(this.defaultShader, "vposition", "vcolor", "vtexcoord", "projection", "view");
int[] p = new int[4];
GL.GetInteger(GetPName.Viewport, p);
proj = Matrix4.CreateOrthographicOffCenter(p[0], p[2], p[3], p[1], 1, -1);
GL.GenTextures(1, out pixelTex);
GL.BindTexture(TextureTarget.Texture2D, pixelTex);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.GenerateMipmap, 0);
float[] pix = new float[] { 1.0f, 1.0f, 1.0f, 1.0f };
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, 1, 1, 0,
PixelFormat.Bgra, PixelType.Float, pix);
}
public void Init()
{
blood_blend_shader = new Shader();
float v = Shader.Version;
blood_blend_shader.LoadVertexFile(Path.Combine("Effects", v < 3.3f ? "v12" : "v33", "blood_blend.vert"));
blood_blend_shader.LoadFragmentFile(Path.Combine("Effects", v < 3.3f ? "v12" : "v33", "blood_blend.frag"));
blood_blend_shader.Link();
blend_buffer = new VertexBuffer(4);
blend_buffer.DeclareNextAttribute("vposition", 2);
blend_buffer.DeclareNextAttribute("vtexcoord", 2);
blend_buffer.DeclareNextAttribute("vcolor", 4);
blend_buffer.Attach(blood_blend_shader);
blend_buffer.AddVertex(-1, -1, 0, 0, 1f, 1f, 1f, 1f);
blend_buffer.AddVertex(1, -1, 1, 0, 1f, 1f, 1f, 1f);
blend_buffer.AddVertex(1, 1, 1, 1, 1, 1, 1, 1);
blend_buffer.AddVertex(-1, 1, 0, 1, 1, 1, 1, 1);
blend_buffer.AddIndices(0, 1, 2, 0, 2, 3);
blend_buffer.UpdateBuffer();
}