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Shader Debugger: Initialize input_vertex to prevent crashes
If the first type of breakpoint to be hit wasn't "Vertex Loaded", the input_vertex would contain garbage, which would be passed to the shader interpreter and ocasionally cause crashes.
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@ -301,6 +301,13 @@ GraphicsVertexShaderWidget::GraphicsVertexShaderWidget(std::shared_ptr< Pica::De
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: BreakPointObserverDock(debug_context, "Pica Vertex Shader", parent) {
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setObjectName("PicaVertexShader");
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// Clear input vertex data so that it contains valid float values in case a debug shader
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// execution happens before the first Vertex Loaded breakpoint.
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// TODO: This makes a crash in the interpreter much less likely, but not impossible. The
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// interpreter should guard against out-of-bounds accesses to ensure crashes in it aren't
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// possible.
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std::memset(&input_vertex, 0, sizeof(input_vertex));
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auto input_data_mapper = new QSignalMapper(this);
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// TODO: Support inputting data in hexadecimal raw format
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