luboslenco
70 lines
1.9 KiB
TypeScript
70 lines
1.9 KiB
TypeScript
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// Red triangle test
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// ../../make --run
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let pipeline: gpu_pipeline_t;
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let vb: gpu_buffer_t;
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let ib: gpu_buffer_t;
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function render() {
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_gpu_begin(null, null, null, clear_flag_t.COLOR | clear_flag_t.DEPTH, 0xff000000, 1.0);
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gpu_set_pipeline(pipeline);
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gpu_set_vertex_buffer(vb);
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gpu_set_index_buffer(ib);
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gpu_draw();
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gpu_end();
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}
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function main() {
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let ops: iron_window_options_t = {
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title: "Iron",
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width: 640,
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height: 480,
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x: -1,
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y: -1,
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mode: window_mode_t.WINDOWED,
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features: window_features_t.RESIZABLE | window_features_t.MINIMIZABLE | window_features_t.MAXIMIZABLE,
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vsync: true,
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frequency: 60,
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depth_bits: 32
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};
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_iron_init(ops);
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pipeline = gpu_create_pipeline();
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let vs: gpu_vertex_structure_t = {};
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gpu_vertex_struct_add(vs, "pos", vertex_data_t.F32_3X);
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let vs_buffer: buffer_t = iron_load_blob("./data/test.vert" + sys_shader_ext());
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let fs_buffer: buffer_t = iron_load_blob("./data/test.frag" + sys_shader_ext());
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let vert: gpu_shader_t = gpu_create_shader(vs_buffer, shader_type_t.VERTEX);
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let frag: gpu_shader_t = gpu_create_shader(fs_buffer, shader_type_t.FRAGMENT);
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pipeline.vertex_shader = vert;
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pipeline.fragment_shader = frag;
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pipeline.input_layout = vs;
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gpu_pipeline_compile(pipeline);
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let vertices: f32[] = [
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-1.0, -1.0, 0.0,
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1.0, -1.0, 0.0,
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0.0, 1.0, 0.0
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];
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let indices: i32[] = [0, 1, 2];
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vb = gpu_create_vertex_buffer(vertices.length / 3, vs.elements);
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let vb_data: buffer_t = gpu_lock_vertex_buffer(vb);
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for (let i: i32 = 0; i < vertices.length; i++) {
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buffer_set_f32(vb_data, i * 4, vertices[i]);
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}
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gpu_vertex_buffer_unlock(vb);
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ib = gpu_create_index_buffer(indices.length);
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let ib_data: u32_array_t = gpu_lock_index_buffer(ib);
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for (let i: i32 = 0; i < indices.length; i++) {
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ib_data[i] = indices[i];
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}
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gpu_index_buffer_unlock(ib);
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_iron_set_update_callback(render);
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}
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function tr(id: string, vars: map_t<string, string> = null): string { return id; }
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