protected override void OnInitGLProgram(object sender, EventArgs handler)
{
//--------------------------------------------------------------------------
string vs = @"
attribute vec4 a_position;
attribute vec2 a_texCoord;
varying vec2 v_texCoord;
void main()
{
gl_Position = a_position;
v_texCoord = a_texCoord;
}
";
string fs = @"
precision mediump float;
varying vec2 v_texCoord;
uniform sampler2D s_texture;
void main()
{
gl_FragColor = texture2D(s_texture, v_texCoord);
}
";
mProgram = ES2Utils.CompileProgram(vs, fs);
if (mProgram == 0)
{
//return false
}
// Get the attribute locations
mPositionLoc = GL.GetAttribLocation(mProgram, "a_position");
mTexCoordLoc = GL.GetAttribLocation(mProgram, "a_texCoord");
// Get the sampler location
mSamplerLoc = GL.GetUniformLocation(mProgram, "s_texture");
//// Load the texture
mTexture = ES2Utils2.CreateSimpleTexture2D();
GL.ClearColor(0, 0, 0, 0);
//================================================================================
}
protected override void OnInitGLProgram(object sender, EventArgs handler)
{
shaderProgram = new MiniShaderProgram();
string vs = @"
attribute vec3 a_position;
attribute vec2 a_texCoord;
varying vec2 v_texCoord;
void main()
{
gl_Position = vec4(a_position[0],a_position[1],0,1);
v_texCoord = a_texCoord;
}
";
string fs = @"
precision mediump float;
varying vec2 v_texCoord;
uniform sampler2D s_texture;
void main()
{
gl_FragColor = texture2D(s_texture, v_texCoord);
}
";
if (!shaderProgram.Build(vs, fs))
{
}
//-------------------------------------------
// Get the attribute locations
a_position = shaderProgram.GetAttrV3f("a_position");// GL.GetAttribLocation(mProgram, "a_position");
a_textCoord = shaderProgram.GetAttrV2f("a_texCoord");
// Get the sampler location
s_texture = shaderProgram.GetUniform1("s_texture");
//// Load the texture
mTexture = ES2Utils2.CreateSimpleTexture2D();
GL.ClearColor(0, 0, 0, 0);
//================================================================================
}