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shader: parse vertex metadata once when a shader is mapped

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This commit is contained in:
nmzik
2026-10-24 05:44:46 +02:00
parent dbc7b8b2ff
commit 8291cfeb04
6 changed files with 44 additions and 44 deletions
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tests/ShaderVertexMetadataTests.cpp
+3 -6
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@@ -40,9 +40,7 @@ void CheckRejected(const ShaderMappedData& data, const char* text) {
output.vertex_buffer_reg = 37;
output.vertex_attrib_reg = 41;
output.input_semantics = prior_semantics;
std::string error;
Check(!ShaderReadVertexMetadata(data, 64, output, &error), text);
Check(!error.empty(), "metadata rejection omitted its diagnostic");
Check(ShaderReadVertexMetadata(data, 64, output) != nullptr, text);
Check(output.vertex_buffer_reg == 37 && output.vertex_attrib_reg == 41 &&
output.input_semantics.data() == prior_semantics.data() &&
output.input_semantics.size() == prior_semantics.size(),
@@ -52,8 +50,7 @@ void CheckRejected(const ShaderMappedData& data, const char* text) {
void TestValidAndInvalidMetadata() {
Fixture fixture;
ShaderVertexMetadata output;
std::string error;
Check(ShaderReadVertexMetadata(fixture.mapped, 64, output, &error),
Check(ShaderReadVertexMetadata(fixture.mapped, 64, output) == nullptr,
"valid AGC vertex metadata was rejected");
Check(output.vertex_buffer_reg == 2 && output.vertex_attrib_reg == 4 &&
output.input_semantics.size() == 1,
@@ -64,7 +61,7 @@ void TestValidAndInvalidMetadata() {
AGC_ILLEGAL_DIRECT_OFFSET;
buffer_only.mapped.input_semantics = nullptr;
buffer_only.mapped.num_input_semantics = 0;
Check(ShaderReadVertexMetadata(buffer_only.mapped, 64, output, &error),
Check(ShaderReadVertexMetadata(buffer_only.mapped, 64, output) == nullptr,
"vertex-buffer-only AGC metadata was rejected");
Check(output.vertex_buffer_reg == 2 && output.vertex_attrib_reg == -1 &&
output.input_semantics.empty(),