mirror of https://github.com/trudnai/Steve2.git
80 lines
2.3 KiB
Metal
80 lines
2.3 KiB
Metal
//
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// Shaders.metal
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// Steve ][
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//
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// Created by Tamas Rudnai on 9/27/19.
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// Copyright © 2019, 2020 Tamas Rudnai. All rights reserved.
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//
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// This file is part of Steve ][ -- The Apple ][ Emulator.
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//
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// Steve ][ is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Steve ][ is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Steve ][. If not, see <https://www.gnu.org/licenses/>.
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//
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#include <metal_stdlib>
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using namespace metal;
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// triangles
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vertex float4 basic_vertex( // 1
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const device packed_float3* vertex_array [[ buffer(0) ]], // 2
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unsigned int vid [[ vertex_id ]] // 3
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){
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return float4(vertex_array[vid], 1.0); // 4
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}
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//struct Vertex {
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// float4 position;
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// float4 color;
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//};
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//
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//struct VertexOut {
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// float4 position [[position]];
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// float4 color;
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//};
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//
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//vertex VertexOut myVertexOut (
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// const Vertex* vertexArray [[ buffer(0) ]],
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// unsigned int vid [[ vertex_id ]]
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//){
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// VSO
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//}
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// color of triangles
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fragment half4 basic_fragment() { // 1
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return half4( 255.0/255.0, 127.0/255.0, 255.0/255.0, 1.0); // half4(1.0); // 2
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}
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kernel void add_arrays(device const float* inA,
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device const float* inB,
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device float* result,
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uint index [[thread_position_in_grid]])
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{
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// the for-loop is replaced with a collection of threads, each of which
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// calls this function.
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result[index] = inA[index] + inB[index] + 1;
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}
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//vertex float4 basic_vertex( // 1
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// const device packed_float3* vertex_array [[ buffer(0) ]], // 2
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// unsigned int vid [[ vertex_id ]]) { // 3
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// return float4(vertex_array[vid], 1.0); // 4
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//}
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//
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//fragment half4 basic_fragment() { // 1
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// return half4(1.0); // 2
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//}
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