| Module['compileGLSLZeroCopy'] = function(glsl, shader_stage, gen_debug, spirv_version) { |
| gen_debug = !!gen_debug; |
| |
| var shader_stage_int; // EShLanguage |
| switch (shader_stage) { |
| case 'vertex': shader_stage_int = 0; break; |
| case 'fragment': shader_stage_int = 4; break; |
| case 'compute': shader_stage_int = 5; break; |
| default: |
| throw new Error("shader_stage must be 'vertex', 'fragment', or 'compute'."); |
| } |
| |
| spirv_version = spirv_version || '1.0'; |
| var spirv_version_int; // EShTargetLanguageVersion |
| switch (spirv_version) { |
| case '1.0': spirv_version_int = (1 << 16) | (0 << 8); break; |
| case '1.1': spirv_version_int = (1 << 16) | (1 << 8); break; |
| case '1.2': spirv_version_int = (1 << 16) | (2 << 8); break; |
| case '1.3': spirv_version_int = (1 << 16) | (3 << 8); break; |
| case '1.4': spirv_version_int = (1 << 16) | (4 << 8); break; |
| case '1.5': spirv_version_int = (1 << 16) | (5 << 8); break; |
| default: |
| throw new Error("spirv_version must be '1.0' ~ '1.5'."); |
| } |
| |
| var p_output = Module['_malloc'](4); |
| var p_output_len = Module['_malloc'](4); |
| var id = ccall('convert_glsl_to_spirv', |
| 'number', |
| ['string', 'number', 'boolean', 'number', 'number', 'number'], |
| [glsl, shader_stage_int, gen_debug, spirv_version_int, p_output, p_output_len]); |
| var output = getValue(p_output, 'i32'); |
| var output_len = getValue(p_output_len, 'i32'); |
| Module['_free'](p_output); |
| Module['_free'](p_output_len); |
| |
| if (id === 0) { |
| throw new Error('GLSL compilation failed'); |
| } |
| |
| var ret = {}; |
| var outputIndexU32 = output / 4; |
| ret['data'] = Module['HEAPU32'].subarray(outputIndexU32, outputIndexU32 + output_len); |
| ret['free'] = function() { |
| Module['_destroy_output_buffer'](id); |
| }; |
| |
| return ret; |
| }; |
| |
| Module['compileGLSL'] = function(glsl, shader_stage, gen_debug, spirv_version) { |
| var compiled = Module['compileGLSLZeroCopy'](glsl, shader_stage, gen_debug, spirv_version); |
| var ret = compiled['data'].slice() |
| compiled['free'](); |
| return ret; |
| }; |