Files
KytyPS5/tests/ShaderVertexMetadataTests.cpp

94 lines
3.2 KiB
C++

#include "graphics/shader/shaderVertexMetadata.h"
#include <array>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
namespace {
using namespace Libs::Graphics;
void Check(bool value, const char* text) {
if (!value) {
std::fprintf(stderr, "ShaderVertexMetadataTests: failed: %s\n", text);
std::abort();
}
}
struct Fixture {
std::array<uint16_t, static_cast<size_t>(AgcDirectResourceType::Last) + 1> offsets {};
ShaderUserData user_data {};
ShaderSemantic semantic {};
ShaderMappedData mapped {};
Fixture() {
offsets.fill(AGC_ILLEGAL_DIRECT_OFFSET);
offsets[static_cast<size_t>(AgcDirectResourceType::PtrVertexBufferTable)] = 2;
offsets[static_cast<size_t>(AgcDirectResourceType::PtrVertexAttribDescTable)] = 4;
user_data.direct_resource_offset = offsets.data();
user_data.direct_resource_count = static_cast<uint16_t>(offsets.size());
mapped.user_data = &user_data;
mapped.input_semantics = &semantic;
mapped.num_input_semantics = 1;
}
};
void CheckRejected(const ShaderMappedData& data, const char* text) {
ShaderVertexMetadata output;
output.vertex_buffer_reg = 37;
output.vertex_attrib_reg = 41;
output.input_semantics_count = 7;
std::string error;
Check(!ShaderReadVertexMetadata(data, 64, &output, &error), text);
Check(!error.empty(), "metadata rejection omitted its diagnostic");
Check(output.vertex_buffer_reg == 37 && output.vertex_attrib_reg == 41 &&
output.input_semantics_count == 7,
"metadata rejection changed the prior output");
}
void TestValidAndInvalidMetadata() {
Fixture fixture;
ShaderVertexMetadata output;
std::string error;
Check(ShaderReadVertexMetadata(fixture.mapped, 64, &output, &error),
"valid AGC vertex metadata was rejected");
Check(output.vertex_buffer_reg == 2 && output.vertex_attrib_reg == 4 &&
output.input_semantics_count == 1,
"valid AGC vertex metadata was decoded incorrectly");
auto missing_header = fixture.mapped;
missing_header.user_data = nullptr;
CheckRejected(missing_header, "missing AGC user-data header was accepted");
Fixture missing_offsets;
missing_offsets.user_data.direct_resource_offset = nullptr;
CheckRejected(missing_offsets.mapped, "missing direct-resource offsets were accepted");
Fixture excessive_resources;
excessive_resources.user_data.direct_resource_count =
static_cast<uint16_t>(excessive_resources.offsets.size() + 1);
CheckRejected(excessive_resources.mapped, "excessive direct-resource count was accepted");
Fixture excessive_semantics;
excessive_semantics.mapped.num_input_semantics = ShaderVertexInputInfo::RES_MAX + 1;
CheckRejected(excessive_semantics.mapped, "excessive vertex semantic count was accepted");
Fixture excessive_register;
excessive_register.offsets[
static_cast<size_t>(AgcDirectResourceType::PtrVertexBufferTable)] = 63;
CheckRejected(excessive_register.mapped, "out-of-domain vertex table SGPR was accepted");
Fixture missing_semantics;
missing_semantics.mapped.input_semantics = nullptr;
CheckRejected(missing_semantics.mapped, "missing vertex semantic array was accepted");
}
} // namespace
int main() {
TestValidAndInvalidMetadata();
std::puts("ShaderVertexMetadataTests: all cases passed");
return 0;
}