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Add BufferViewTest sample
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‎assets/shaders/BufferViewTest/PixelShader.hlsl‎

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struct VsOutput {
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float4 pos : SV_POSITION;
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float2 uv : TEXCOORD;
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};
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static const uint kIndexCount = 64;
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static const uint kRows = 4;
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static const uint kColumns = 4;
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static const float4 kPass = float4(0.0, 1.0, 0.0, 1.0);
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static const float4 kFail = float4(1.0, 0.0, 0.0, 1.0);
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static const float4 kIgnore = float4(1.0, 0.0, 1.0, 1.0);
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uint MakeU32(uint index) {
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uint b0 = index * 4 + 0;
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uint b1 = index * 4 + 1;
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uint b2 = index * 4 + 2;
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uint b3 = index * 4 + 3;
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return b0 | (b1 << 8) | (b2 << 16) | (b3 << 24);
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}
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Buffer<uint> buffer_uint1;
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float4 RunBufferTest1() {
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for (uint u = 0; u < kIndexCount; ++u) {
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if (buffer_uint1[u] != MakeU32(u)) {
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return kFail;
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}
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}
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return kPass;
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}
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Buffer<uint2> buffer_uint2;
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float4 RunBufferTest2() {
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for (uint u = 0; u < kIndexCount; ++u) {
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if (buffer_uint2[u / 2][u % 2] != MakeU32(u)) {
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return kFail;
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}
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}
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return kPass;
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}
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float4 RunBufferTest3() {
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return kIgnore;
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}
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Buffer<uint4> buffer_uint4;
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float4 RunBufferTest4() {
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for (uint u = 0; u < kIndexCount; ++u) {
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if (buffer_uint4[u / 4][u % 4] != MakeU32(u)) {
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return kFail;
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}
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}
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return kPass;
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}
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RWBuffer<uint> rwbuffer_uint1;
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float4 RunRWBufferTest1() {
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for (uint u = 0; u < kIndexCount; ++u) {
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if (rwbuffer_uint1[u] != MakeU32(u)) {
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return kFail;
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}
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}
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return kPass;
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}
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RWBuffer<uint2> rwbuffer_uint2;
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float4 RunRWBufferTest2() {
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for (uint u = 0; u < kIndexCount; ++u) {
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if (rwbuffer_uint2[u / 2][u % 2] != MakeU32(u)) {
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return kFail;
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}
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}
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return kPass;
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}
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float4 RunRWBufferTest3() {
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return kIgnore;
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}
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RWBuffer<uint4> rwbuffer_uint4;
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float4 RunRWBufferTest4() {
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for (uint u = 0; u < kIndexCount; ++u) {
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if (rwbuffer_uint4[u / 4][u % 4] != MakeU32(u)) {
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return kFail;
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}
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}
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return kPass;
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}
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StructuredBuffer<uint> structured_buffer_uint1;
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float4 RunStructuredBufferTest1() {
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for (uint u = 0; u < kIndexCount; ++u) {
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if (structured_buffer_uint1[u] != MakeU32(u)) {
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return kFail;
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}
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}
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return kPass;
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}
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StructuredBuffer<uint2> structured_buffer_uint2;
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float4 RunStructuredBufferTest2() {
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for (uint u = 0; u < kIndexCount; ++u) {
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if (structured_buffer_uint2[u / 2][u % 2] != MakeU32(u)) {
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return kFail;
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}
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}
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return kPass;
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}
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StructuredBuffer<uint3> structured_buffer_uint3;
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float4 RunStructuredBufferTest3() {
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for (uint u = 0; u < kIndexCount; ++u) {
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if (structured_buffer_uint3[u / 3][u % 3] != MakeU32(u)) {
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return kFail;
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}
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}
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return kPass;
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}
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StructuredBuffer<uint4> structured_buffer_uint4;
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float4 RunStructuredBufferTest4() {
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for (uint u = 0; u < kIndexCount; ++u) {
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if (structured_buffer_uint4[u / 4][u % 4] != MakeU32(u)) {
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return kFail;
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}
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}
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return kPass;
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}
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RWStructuredBuffer<uint> rwstructured_buffer_uint1;
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float4 RunRWStructuredBufferTest1() {
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for (uint u = 0; u < kIndexCount; ++u) {
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if (rwstructured_buffer_uint1[u] != MakeU32(u)) {
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return kFail;
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}
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}
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return kPass;
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}
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RWStructuredBuffer<uint2> rwstructured_buffer_uint2;
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float4 RunRWStructuredBufferTest2() {
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for (uint u = 0; u < kIndexCount; ++u) {
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if (rwstructured_buffer_uint2[u / 2][u % 2] != MakeU32(u)) {
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return kFail;
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}
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}
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return kPass;
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}
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RWStructuredBuffer<uint3> rwstructured_buffer_uint3;
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float4 RunRWStructuredBufferTest3() {
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for (uint u = 0; u < kIndexCount; ++u) {
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if (rwstructured_buffer_uint3[u / 3][u % 3] != MakeU32(u)) {
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return kFail;
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}
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}
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return kPass;
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}
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RWStructuredBuffer<uint4> rwstructured_buffer_uint4;
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float4 RunRWStructuredBufferTest4() {
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for (uint u = 0; u < kIndexCount; ++u) {
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if (rwstructured_buffer_uint4[u / 4][u % 4] != MakeU32(u)) {
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return kFail;
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}
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}
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return kPass;
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}
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float4 RunTest(uint index) {
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switch (index) {
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case 0:
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return RunBufferTest1();
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case 1:
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return RunBufferTest2();
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case 2:
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return RunBufferTest3();
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case 3:
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return RunBufferTest4();
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case 4:
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return RunRWBufferTest1();
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case 5:
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return RunRWBufferTest2();
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case 6:
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return RunRWBufferTest3();
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case 7:
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return RunRWBufferTest4();
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case 8:
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return RunStructuredBufferTest1();
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case 9:
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return RunStructuredBufferTest2();
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case 10:
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return RunStructuredBufferTest3();
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case 11:
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return RunStructuredBufferTest4();
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case 12:
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return RunRWStructuredBufferTest1();
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case 13:
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return RunRWStructuredBufferTest2();
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case 14:
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return RunRWStructuredBufferTest3();
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case 15:
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return RunRWStructuredBufferTest4();
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default:
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return kIgnore;
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}
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}
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float4 main(VsOutput input) : SV_TARGET
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{
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uint i = min(uint(input.uv.y * kRows), kRows - 1);
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uint j = min(uint(input.uv.x * kColumns), kColumns - 1);
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return RunTest(i * kColumns + j);
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}

‎assets/shaders/BufferViewTest/VertexShader.hlsl‎

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struct VsOutput {
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float4 pos : SV_POSITION;
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float2 uv : TEXCOORD;
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};
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VsOutput main(uint vertex_id : SV_VertexID)
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{
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VsOutput output;
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float2 uv = float2((vertex_id << 1) & 2, vertex_id & 2);
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output.pos = float4(uv * float2(2.0, -2.0) + float2(-1.0, 1.0), 0.0, 1.0);
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output.uv = uv;
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return output;
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}

‎src/Apps/BufferViewTest/CMakeLists.txt‎

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list(APPEND sources
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main.cpp
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)
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set(shaders_path "${assets_path}/shaders/BufferViewTest")
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set(vertex_shaders ${shaders_path}/VertexShader.hlsl)
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set_property(SOURCE ${vertex_shaders} PROPERTY SHADER_TYPE Vertex)
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set(pixel_shaders ${shaders_path}/PixelShader.hlsl)
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set_property(SOURCE ${pixel_shaders} PROPERTY SHADER_TYPE Pixel)
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set(shaders_files ${vertex_shaders} ${pixel_shaders})
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set_property(SOURCE ${shaders_files} PROPERTY SHADER_ENTRYPOINT main)
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set_property(SOURCE ${shaders_files} PROPERTY SHADER_MODEL 6_0)
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include(compile_shaders)
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compile_shaders("${shaders_path}" "assets/BufferViewTest" "${shaders_files}" resources)
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if (ANDROID)
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add_library(BufferViewTest SHARED
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${resources}
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${shaders_files}
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${sources}
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)
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else()
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add_executable(BufferViewTest WIN32 MACOSX_BUNDLE
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${resources}
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${shaders_files}
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${sources}
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)
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endif()
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target_link_options(BufferViewTest
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PRIVATE
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$<$<BOOL:${WIN32}>:/ENTRY:mainCRTStartup>
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)
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target_link_libraries(BufferViewTest
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AppLoop
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FlyCube
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)
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if (CMAKE_SYSTEM_NAME STREQUAL "iOS")
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set_target_properties(BufferViewTest PROPERTIES
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XCODE_EXPLICIT_FILE_TYPE "wrapper.application"
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)
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endif()
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set_target_properties(BufferViewTest PROPERTIES
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FOLDER "Apps"
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MACOSX_BUNDLE_INFO_PLIST "${project_root}/cmake/apple/Info.plist"
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)

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