Есть два шейдера вот браузерный без цвета
var VSHADER_SOURCE =
'attribute vec4 a_Position;\n' +
'attribute vec2 a_TexCoord;\n' +
'varying vec2 v_TexCoord;\n' +
'uniform mat4 u_ProjMatrix;\n' +
'uniform mat4 u_ModelMatrix;\n' +
'void main() {\n' +
' gl_Position = u_ProjMatrix * u_ModelMatrix * a_Position;\n' +
' v_TexCoord = a_TexCoord;\n' +
'}\n';
// Fragment shader program
var FSHADER_SOURCE =
'#ifdef GL_ES\n' +
'precision mediump float;\n' +
'#endif\n' +
'uniform sampler2D u_Sampler;\n' +
'varying vec2 v_TexCoord;\n' +
'void main() {\n' +
' gl_FragColor = texture2D(u_Sampler, v_TexCoord);\n' +
'}\n';
const GLchar* vertexShaderSource = "#version 330 core\n"
"layout(location = 0) in vec3 position;\n"
"layout(location = 1) in vec4 color;\n"
"layout(location = 2) in vec2 texCoord;\n"
"out vec4 ourColor;\n"
"out vec2 TexCoord;\n"
"uniform mat4 transform;\n"
"void main()\n"
"{\n"
"gl_Position = transform*vec4(position, 1.0f);\n"
"ourColor = color;\n"
"TexCoord = texCoord;\n"
"}\0";
const GLchar* fragmentShaderSource = "#version 330 core\n"
"in vec4 ourColor;\n"
"in vec2 TexCoord;\n"
"out vec4 color;\n"
"uniform sampler2D ourTexture;\n"
"void main()\n"
"{\n"
"color = texture(ourTexture, TexCoord);\n"
"}\0";
var VSHADER_SOURCE =
'attribute vec3 a_Position;\n' +
'attribute vec2 a_TexCoord;\n' +
'varying vec2 v_TexCoord;\n' +
'uniform mat4 u_ProjMatrix;\n' +
'uniform mat4 u_ModelMatrix;\n' +
'void main() {\n' +
' gl_Position = u_ProjMatrix * u_ModelMatrix * vec4(a_Position,1.0);\n' +
' v_TexCoord = a_TexCoord;\n' +
'}\n';
// Fragment shader program
var FSHADER_SOURCE =
'#ifdef GL_ES\n' +
'precision mediump float;\n' +
'#endif\n' +
'uniform sampler2D u_Sampler;\n' +
'varying vec2 v_TexCoord;\n' +
'void main() {\n' +
' gl_FragColor = texture2D(u_Sampler, v_TexCoord);\n' +
'}\n';
