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https://github.com/MaSzyna-EU07/maszyna.git
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6550c88536
A template defined in a module interface is instantiated in the importing unit, where its body's types must be complete. A declaration reaching the importer only through the interface's global module fragment is not enough for MSVC: cParser::operator>> uses std::stringstream, and every unit that parsed a float got an incomplete type. 526 headers across 161 units, derived from what each interface's template bodies actually name.
73 lines
1.5 KiB
C++
73 lines
1.5 KiB
C++
module;
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#include <ostream>
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#include <string>
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#include <cstdint>
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#include "glad/glad.h"
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#include <optional>
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#include "utilities/Globals_macros.h"
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module eu07.gl.query;
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import eu07.utilities.globals;
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gl::query::query(targets target)
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: target(target)
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{
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glGenQueries(1, *this);
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}
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gl::query::~query()
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{
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end();
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glDeleteQueries(1, *this);
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}
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void gl::query::begin()
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{
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if (active_queries[target])
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active_queries[target]->end();
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glBeginQuery(glenum_target(target), *this);
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active_queries[target] = this;
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}
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void gl::query::end()
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{
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if (active_queries[target] != this)
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return;
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glEndQuery(glenum_target(target));
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active_queries[target] = nullptr;
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}
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std::optional<int64_t> gl::query::result()
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{
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end(); // intercept potential error if the result check is called for still active object
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GLuint ready;
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glGetQueryObjectuiv(*this, GL_QUERY_RESULT_AVAILABLE, &ready);
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int64_t value = 0;
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if (ready) {
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if (!Global.gfx_usegles)
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glGetQueryObjecti64v(*this, GL_QUERY_RESULT, &value);
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else
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glGetQueryObjectuiv(*this, GL_QUERY_RESULT, reinterpret_cast<GLuint*>(&value));
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return std::optional<int64_t>(value);
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}
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return std::nullopt;
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}
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GLenum gl::query::glenum_target(targets target)
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{
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static GLenum mapping[6] =
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{
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GL_SAMPLES_PASSED,
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GL_ANY_SAMPLES_PASSED,
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GL_ANY_SAMPLES_PASSED_CONSERVATIVE,
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GL_PRIMITIVES_GENERATED,
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GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN,
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GL_TIME_ELAPSED
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};
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return mapping[target];
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}
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thread_local gl::query* gl::query::active_queries[6];
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