public SpiralSurface(ISurface v)
{
v.onsurface +=
gl =>
{
//var __gl = (ScriptCoreLib.Android.__WebGLRenderingContext)(object)gl;
//Log.wtf("AndroidGLSpiralActivity", "onsurface");
var buffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
gl.bufferData(gl.ARRAY_BUFFER,
new Float32Array(
-1.0f, -1.0f, 1.0f,
-1.0f, -1.0f, 1.0f,
1.0f, -1.0f, 1.0f,
1.0f, -1.0f, 1.0f
), gl.STATIC_DRAW);
// Create Program
#region createProgram
var program = gl.createProgram(
new SpiralVertexShader(),
new SpiralFragmentShader()
);
gl.linkProgram(program);
gl.useProgram(program);
#endregion
var parameters_time = 0L;
var parameters_screenWidth = 0;
var parameters_screenHeight = 0;
var parameters_aspectX = 0.0f;
var parameters_aspectY = 1.0f;
#region onresize
v.onresize +=
(width, height) =>
{
//Log.wtf("AndroidGLSpiralActivity", "onresize");
parameters_screenWidth = width;
parameters_screenHeight = height;
parameters_aspectX = (float)width / (float)height;
parameters_aspectY = 1.0f;
gl.viewport(0, 0, width, height);
};
#endregion
#region onframe
var framecount = 0;
v.onframe +=
delegate
{
var time = parameters_time / 1000f;
//if (framecount == 0)
// Log.wtf("AndroidGLSpiralActivity", "onframe " + ((object)time).ToString());
parameters_time += 100;
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
// Load program into GPU
// Get var locations
var vertex_position = gl.getAttribLocation(program, "position");
// Set values to program variables
dynamic program_uniforms = new ShaderProgramUniforms
{
gl = gl,
program = program
};
var resolution = new __vec2 { x = parameters_screenWidth, y = parameters_screenHeight };
var aspect = new __vec2 { x = parameters_aspectX, y = parameters_aspectY };
program_uniforms.time = time;
program_uniforms.resolution = resolution;
program_uniforms.aspect = aspect;
// Render geometry
gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
//opengl.glVertexAttribPointer(vertex_position, 2, (int)gl.FLOAT, false, 0, 0);
gl.vertexAttribPointer((uint)vertex_position, 2, gl.FLOAT, false, 0, 0);
gl.enableVertexAttribArray((uint)vertex_position);
gl.drawArrays(gl.TRIANGLES, 0, 6);
gl.disableVertexAttribArray((uint)vertex_position);
framecount++;
};
#endregion
//Log.wtf("AndroidGLSpiralActivity", "onsurface done");
};
}
public SpiralSurface(ISurface v)
{
v.onsurface +=
gl =>
{
//var __gl = (ScriptCoreLib.Android.__WebGLRenderingContext)(object)gl;
//Log.wtf("AndroidGLSpiralActivity", "onsurface");
var buffer = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
gl.bufferData(gl.ARRAY_BUFFER,
new Float32Array(
-1.0f, -1.0f, 1.0f,
-1.0f, -1.0f, 1.0f,
1.0f, -1.0f, 1.0f,
1.0f, -1.0f, 1.0f
), gl.STATIC_DRAW);
// Create Program
#region createProgram
var program = gl.createProgram(
new SpiralVertexShader(),
new SpiralFragmentShader()
);
gl.linkProgram(program);
gl.useProgram(program);
#endregion
var parameters_time = 0L;
var parameters_screenWidth = 0;
var parameters_screenHeight = 0;
var parameters_aspectX = 0.0f;
var parameters_aspectY = 1.0f;
#region onresize
v.onresize +=
(width, height) =>
{
//Log.wtf("AndroidGLSpiralActivity", "onresize");
parameters_screenWidth = width;
parameters_screenHeight = height;
parameters_aspectX = (float)width / (float)height;
parameters_aspectY = 1.0f;
gl.viewport(0, 0, width, height);
};
#endregion
#region onframe
var framecount = 0;
v.onframe +=
delegate
{
var time = parameters_time / 1000f;
//if (framecount == 0)
// Log.wtf("AndroidGLSpiralActivity", "onframe " + ((object)time).ToString());
parameters_time += 100;
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
// Load program into GPU
// Get var locations
var vertex_position = gl.getAttribLocation(program, "position");
// Set values to program variables
dynamic program_uniforms = new ShaderProgramUniforms
{
gl = gl,
program = program
};
var resolution = new __vec2 {
x = parameters_screenWidth, y = parameters_screenHeight
};
var aspect = new __vec2 {
x = parameters_aspectX, y = parameters_aspectY
};
program_uniforms.time = time;
program_uniforms.resolution = resolution;
program_uniforms.aspect = aspect;
// Render geometry
gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
//opengl.glVertexAttribPointer(vertex_position, 2, (int)gl.FLOAT, false, 0, 0);
gl.vertexAttribPointer((uint)vertex_position, 2, gl.FLOAT, false, 0, 0);
gl.enableVertexAttribArray((uint)vertex_position);
gl.drawArrays(gl.TRIANGLES, 0, 6);
gl.disableVertexAttribArray((uint)vertex_position);
framecount++;
};
#endregion
//Log.wtf("AndroidGLSpiralActivity", "onsurface done");
};
}
