1231c2ecfc
Fixes #36888.
46 lines
1.4 KiB
JavaScript
46 lines
1.4 KiB
JavaScript
Module['compileGLSLZeroCopy'] = function(glsl, shader_stage, gen_debug) {
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gen_debug = !!gen_debug;
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var shader_stage_int;
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if (shader_stage === 'vertex') {
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shader_stage_int = 0;
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} else if (shader_stage === 'fragment') {
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shader_stage_int = 4;
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} else if (shader_stage === 'compute') {
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shader_stage_int = 5;
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} else {
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throw new Error("shader_stage must be 'vertex', 'fragment', or 'compute'");
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}
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var p_output = Module['_malloc'](4);
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var p_output_len = Module['_malloc'](4);
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var id = ccall('convert_glsl_to_spirv',
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'number',
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['string', 'number', 'boolean', 'number', 'number'],
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[glsl, shader_stage_int, gen_debug, p_output, p_output_len]);
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var output = getValue(p_output, 'i32');
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var output_len = getValue(p_output_len, 'i32');
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Module['_free'](p_output);
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Module['_free'](p_output_len);
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if (id === 0) {
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throw new Error('GLSL compilation failed');
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}
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var ret = {};
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var outputIndexU32 = output / 4;
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ret['data'] = Module['HEAPU32'].subarray(outputIndexU32, outputIndexU32 + output_len);
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ret['free'] = function() {
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Module['_destroy_output_buffer'](id);
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};
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return ret;
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};
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Module['compileGLSL'] = function(glsl, shader_stage, gen_debug) {
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var compiled = Module['compileGLSLZeroCopy'](glsl, shader_stage, gen_debug);
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var ret = compiled['data'].slice()
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compiled['free']();
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return ret;
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};
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