Merge: Basename fix

[nit.git] / lib / glesv2 / examples / opengles2_hello_triangle.nit

diff --git a/lib/glesv2/examples/opengles2_hello_triangle.nit b/lib/glesv2/examples/opengles2_hello_triangle.nit
index 48d49ab..340c307 100644 (file)
--- a/lib/glesv2/examples/opengles2_hello_triangle.nit
+++ b/lib/glesv2/examples/opengles2_hello_triangle.nit
@@ -112,10 +112,10 @@ assert_no_gl_error
 assert gl.shader_compiler else print "Cannot compile shaders"
 
 # gl program
-print gl.error.to_s
+print glGetError.to_s
 var program = new GLProgram
-if not program.is_ok then
-       print "Program is not ok: {gl.error.to_s}\nLog:"
+if not glIsProgram(program) then
+       print "Program is not ok: {glGetError.to_s}\nLog:"
        print program.info_log
        abort
 end
@@ -123,36 +123,36 @@ assert_no_gl_error
 
 # vertex shader
 var vertex_shader = new GLVertexShader
-assert vertex_shader.is_ok else print "Vertex shader is not ok: {gl.error}"
-vertex_shader.source = """
+assert glIsShader(vertex_shader) else print "Vertex shader is not ok: {glGetError}"
+glShaderSource(vertex_shader, """
 attribute vec4 vPosition;
 void main()
 {
   gl_Position = vPosition;
 }
-""".to_cstring
-vertex_shader.compile
+""".to_cstring)
+glCompileShader vertex_shader
 assert vertex_shader.is_compiled else print "Vertex shader compilation failed with: {vertex_shader.info_log} {program.info_log}"
 assert_no_gl_error
 
 # fragment shader
 var fragment_shader = new GLFragmentShader
-assert fragment_shader.is_ok else print "Fragment shader is not ok: {gl.error}"
-fragment_shader.source = """
+assert glIsShader(fragment_shader) else print "Fragment shader is not ok: {glGetError}"
+glShaderSource(fragment_shader, """
 precision mediump float;
 void main()
 {
        gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
 }
-""".to_cstring
-fragment_shader.compile
+""".to_cstring)
+glCompileShader(fragment_shader)
 assert fragment_shader.is_compiled else print "Fragment shader compilation failed with: {fragment_shader.info_log}"
 assert_no_gl_error
 
-program.attach_shader vertex_shader
-program.attach_shader fragment_shader
+glAttachShader(program, vertex_shader)
+glAttachShader(program, fragment_shader)
 program.bind_attrib_location(0, "vPosition")
-program.link
+glLinkProgram program
 assert program.is_linked else print "Linking failed: {program.info_log}"
 assert_no_gl_error
 
@@ -160,30 +160,30 @@ assert_no_gl_error
 var vertices = [0.0, 0.5, 0.0, -0.5, -0.5, 0.0, 0.5, -0.5, 0.0]
 var vertex_array = new VertexArray(0, 3, vertices)
 vertex_array.attrib_pointer
-gl.clear_color(0.5, 0.0, 0.5, 1.0)
+glClearColor(0.5, 0.0, 0.5, 1.0)
 for i in [0..10000[ do
        printn "."
        assert_no_gl_error
-       gl.viewport(0, 0, width, height)
-       gl.clear((new GLBuffer).color)
-       program.use
+       glViewport(0, 0, width, height)
+       glClear gl_COLOR_BUFFER_BIT
+       glUseProgram program
        vertex_array.enable
-       vertex_array.draw_arrays_triangles
+       glDrawArrays(gl_TRIANGLES, 0, 3)
        egl_display.swap_buffers(surface)
 end
 
 # delete
-program.delete
-vertex_shader.delete
-fragment_shader.delete
+glDeleteProgram program
+glDeleteShader vertex_shader
+glDeleteShader fragment_shader
 
 #
 ## EGL
 #
 # close
 egl_display.make_current(new EGLSurface.none, new EGLSurface.none, new EGLContext.none)
-egl_display.destroy_context(context)
-egl_display.destroy_surface(surface)
+egl_display.destroy_context context
+egl_display.destroy_surface surface
 
 #
 ## SDL