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Avoid garbage-free WebGL APIs when memory size is over 2gb. #21445

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Mar 1, 2024
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Avoid garbage-free WebGL APIs when memory size is over 2gb. #21445

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119 changes: 52 additions & 67 deletions src/library_webgl.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1518,14 +1518,14 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
glCompressedTexImage2D: (target, level, internalFormat, width, height, border, imageSize, data) => {
#if MAX_WEBGL_VERSION >= 2
if ({{{ isCurrentContextWebGL2() }}}) {
// WebGL 2 provides new garbage-free entry points to call to WebGL. Use
// those always when possible.
if (GLctx.currentPixelUnpackBufferBinding || !imageSize) {
GLctx.compressedTexImage2D(target, level, internalFormat, width, height, border, imageSize, data);
} else {
GLctx.compressedTexImage2D(target, level, internalFormat, width, height, border, HEAPU8, data, imageSize);
return;
}
#if WEBGL_USE_GARBAGE_FREE_APIS
GLctx.compressedTexImage2D(target, level, internalFormat, width, height, border, HEAPU8, data, imageSize);
return;
#endif
}
#endif
GLctx.compressedTexImage2D(target, level, internalFormat, width, height, border, data ? {{{ makeHEAPView('U8', 'data', 'data+imageSize') }}} : null);
Expand All @@ -1535,14 +1535,14 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
glCompressedTexSubImage2D: (target, level, xoffset, yoffset, width, height, format, imageSize, data) => {
#if MAX_WEBGL_VERSION >= 2
if ({{{ isCurrentContextWebGL2() }}}) {
// WebGL 2 provides new garbage-free entry points to call to WebGL. Use
// those always when possible.
if (GLctx.currentPixelUnpackBufferBinding || !imageSize) {
GLctx.compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data);
} else {
GLctx.compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, HEAPU8, data, imageSize);
return;
}
#if WEBGL_USE_GARBAGE_FREE_APIS
GLctx.compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, HEAPU8, data, imageSize);
return;
#endif
}
#endif
GLctx.compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, data ? {{{ makeHEAPView('U8', 'data', 'data+imageSize') }}} : null);
Expand Down Expand Up @@ -1637,18 +1637,18 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
}
#endif
if ({{{ isCurrentContextWebGL2() }}}) {
// WebGL 2 provides new garbage-free entry points to call to WebGL. Use
// those always when possible.
if (GLctx.currentPixelUnpackBufferBinding) {
GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels);
return;
}
#if WEBGL_USE_GARBAGE_FREE_APIS
if (pixels) {
var heap = heapObjectForWebGLType(type);
var index = toTypedArrayIndex(pixels, heap);
GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, heap, index);
return;
}
#endif
}
#endif
var pixelData = pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null;
Expand All @@ -1672,15 +1672,17 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
}
#endif
if ({{{ isCurrentContextWebGL2() }}}) {
// WebGL 2 provides new garbage-free entry points to call to WebGL. Use
// those always when possible.
if (GLctx.currentPixelUnpackBufferBinding) {
GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
} else if (pixels) {
return;
}
#if WEBGL_USE_GARBAGE_FREE_APIS
if (pixels) {
var heap = heapObjectForWebGLType(type);
GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, heap, toTypedArrayIndex(pixels, heap));
return;
}
#endif
}
#endif
var pixelData = pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0) : null;
Expand All @@ -1695,16 +1697,16 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
glReadPixels: (x, y, width, height, format, type, pixels) => {
#if MAX_WEBGL_VERSION >= 2
if ({{{ isCurrentContextWebGL2() }}}) {
// WebGL 2 provides new garbage-free entry points to call to WebGL. Use
// those always when possible.
if (GLctx.currentPixelPackBufferBinding) {
GLctx.readPixels(x, y, width, height, format, type, pixels);
} else {
var heap = heapObjectForWebGLType(type);
var target = toTypedArrayIndex(pixels, heap);
GLctx.readPixels(x, y, width, height, format, type, heap, target);
return;
}
#if WEBGL_USE_GARBAGE_FREE_APIS
var heap = heapObjectForWebGLType(type);
var target = toTypedArrayIndex(pixels, heap);
GLctx.readPixels(x, y, width, height, format, type, heap, target);
return;
#endif
}
#endif
var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
Expand Down Expand Up @@ -1841,14 +1843,12 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
}
#endif

#if MAX_WEBGL_VERSION >= 2
#if WEBGL_USE_GARBAGE_FREE_APIS
if ({{{ isCurrentContextWebGL2() }}}) {
// WebGL 2 provides new garbage-free entry points to call to WebGL. Use
// those always when possible. If size is zero, WebGL would interpret
// uploading the whole input arraybuffer (starting from given offset),
// which would not make sense in WebAssembly, so avoid uploading if size
// is zero. However we must still call bufferData to establish a backing
// storage of zero bytes.
// If size is zero, WebGL would interpret uploading the whole input
// arraybuffer (starting from given offset), which would not make sense in
// WebAssembly, so avoid uploading if size is zero. However we must still
// call bufferData to establish a backing storage of zero bytes.
if (data && size) {
GLctx.bufferData(target, HEAPU8, usage, data, size);
} else {
Expand All @@ -1865,10 +1865,8 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
},

glBufferSubData: (target, offset, size, data) => {
#if MAX_WEBGL_VERSION >= 2
#if WEBGL_USE_GARBAGE_FREE_APIS
if ({{{ isCurrentContextWebGL2() }}}) {
// WebGL 2 provides new garbage-free entry points to call to WebGL. Use
// those always when possible.
size && GLctx.bufferSubData(target, offset, HEAPU8, data, size);
return;
}
Expand Down Expand Up @@ -2431,8 +2429,8 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
count && GLctx.uniform1iv(webglGetUniformLocation(location), HEAP32, {{{ getHeapOffset('value', 'i32') }}}, count);
#else

#if MAX_WEBGL_VERSION >= 2
if ({{{ isCurrentContextWebGL2() }}}) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
#if WEBGL_USE_GARBAGE_FREE_APIS
if ({{{ isCurrentContextWebGL2() }}}) {
count && GLctx.uniform1iv(webglGetUniformLocation(location), HEAP32, {{{ getHeapOffset('value', 'i32') }}}, count);
return;
}
Expand Down Expand Up @@ -2472,8 +2470,8 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
count && GLctx.uniform2iv(webglGetUniformLocation(location), HEAP32, {{{ getHeapOffset('value', 'i32') }}}, count*2);
#else

#if MAX_WEBGL_VERSION >= 2
if ({{{ isCurrentContextWebGL2() }}}) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
#if WEBGL_USE_GARBAGE_FREE_APIS
if ({{{ isCurrentContextWebGL2() }}}) {
count && GLctx.uniform2iv(webglGetUniformLocation(location), HEAP32, {{{ getHeapOffset('value', 'i32') }}}, count*2);
return;
}
Expand Down Expand Up @@ -2514,8 +2512,8 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
count && GLctx.uniform3iv(webglGetUniformLocation(location), HEAP32, {{{ getHeapOffset('value', 'i32') }}}, count*3);
#else

#if MAX_WEBGL_VERSION >= 2
if ({{{ isCurrentContextWebGL2() }}}) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
#if WEBGL_USE_GARBAGE_FREE_APIS
if ({{{ isCurrentContextWebGL2() }}}) {
count && GLctx.uniform3iv(webglGetUniformLocation(location), HEAP32, {{{ getHeapOffset('value', 'i32') }}}, count*3);
return;
}
Expand Down Expand Up @@ -2557,9 +2555,7 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
count && GLctx.uniform4iv(webglGetUniformLocation(location), HEAP32, {{{ getHeapOffset('value', 'i32') }}}, count*4);
#else

#if MAX_WEBGL_VERSION >= 2
// WebGL 2 provides new garbage-free entry points to call to WebGL. Use
// those always when possible.
#if WEBGL_USE_GARBAGE_FREE_APIS
if ({{{ isCurrentContextWebGL2() }}}) {
count && GLctx.uniform4iv(webglGetUniformLocation(location), HEAP32, {{{ getHeapOffset('value', 'i32') }}}, count*4);
return;
Expand Down Expand Up @@ -2603,8 +2599,8 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
count && GLctx.uniform1fv(webglGetUniformLocation(location), HEAPF32, {{{ getHeapOffset('value', 'float') }}}, count);
#else

#if MAX_WEBGL_VERSION >= 2
if ({{{ isCurrentContextWebGL2() }}}) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
#if WEBGL_USE_GARBAGE_FREE_APIS
if ({{{ isCurrentContextWebGL2() }}}) {
count && GLctx.uniform1fv(webglGetUniformLocation(location), HEAPF32, {{{ getHeapOffset('value', 'float') }}}, count);
return;
}
Expand Down Expand Up @@ -2644,9 +2640,7 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
count && GLctx.uniform2fv(webglGetUniformLocation(location), HEAPF32, {{{ getHeapOffset('value', 'float') }}}, count*2);
#else

#if MAX_WEBGL_VERSION >= 2
// WebGL 2 provides new garbage-free entry points to call to WebGL. Use
// those always when possible.
#if WEBGL_USE_GARBAGE_FREE_APIS
if ({{{ isCurrentContextWebGL2() }}}) {
count && GLctx.uniform2fv(webglGetUniformLocation(location), HEAPF32, {{{ getHeapOffset('value', 'float') }}}, count*2);
return;
Expand All @@ -2671,7 +2665,7 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
},

glUniform3fv__deps: ['$webglGetUniformLocation'
#if GL_POOL_TEMP_BUFFERS && MIN_WEBGL_VERSION == 1
#if GL_POOL_TEMP_BUFFERS && !(MIN_WEBGL_VERSION >= 2 && WEBGL_USE_GARBAGE_FREE_APIS)
, '$miniTempWebGLFloatBuffers'
#endif
],
Expand All @@ -2681,16 +2675,14 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
assert((value % 4) == 0, 'Pointer to float data passed to glUniform3fv must be aligned to four bytes!' + value);
#endif

#if MIN_WEBGL_VERSION >= 2
#if MIN_WEBGL_VERSION >= 2 && WEBGL_USE_GARBAGE_FREE_APIS
#if GL_ASSERTIONS
assert(GL.currentContext.version >= 2);
#endif
count && GLctx.uniform3fv(webglGetUniformLocation(location), HEAPF32, {{{ getHeapOffset('value', 'float') }}}, count*3);
#else

#if MAX_WEBGL_VERSION >= 2
// WebGL 2 provides new garbage-free entry points to call to WebGL. Use
// those always when possible.
#if WEBGL_USE_GARBAGE_FREE_APIS
if ({{{ isCurrentContextWebGL2() }}}) {
count && GLctx.uniform3fv(webglGetUniformLocation(location), HEAPF32, {{{ getHeapOffset('value', 'float') }}}, count*3);
return;
Expand Down Expand Up @@ -2733,9 +2725,7 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
count && GLctx.uniform4fv(webglGetUniformLocation(location), HEAPF32, {{{ getHeapOffset('value', 'float') }}}, count*4);
#else

#if MAX_WEBGL_VERSION >= 2
// WebGL 2 provides new garbage-free entry points to call to WebGL. Use
// those always when possible.
#if WEBGL_USE_GARBAGE_FREE_APIS
if ({{{ isCurrentContextWebGL2() }}}) {
count && GLctx.uniform4fv(webglGetUniformLocation(location), HEAPF32, {{{ getHeapOffset('value', 'float') }}}, count*4);
return;
Expand Down Expand Up @@ -2783,9 +2773,7 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
count && GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, HEAPF32, {{{ getHeapOffset('value', 'float') }}}, count*4);
#else

#if MAX_WEBGL_VERSION >= 2
// WebGL 2 provides new garbage-free entry points to call to WebGL. Use
// those always when possible.
#if WEBGL_USE_GARBAGE_FREE_APIS
if ({{{ isCurrentContextWebGL2() }}}) {
count && GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, HEAPF32, {{{ getHeapOffset('value', 'float') }}}, count*4);
return;
Expand Down Expand Up @@ -2829,9 +2817,7 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
count && GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, HEAPF32, {{{ getHeapOffset('value', 'float') }}}, count*9);
#else

#if MAX_WEBGL_VERSION >= 2
// WebGL 2 provides new garbage-free entry points to call to WebGL. Use
// those always when possible.
#if WEBGL_USE_GARBAGE_FREE_APIS
if ({{{ isCurrentContextWebGL2() }}}) {
count && GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, HEAPF32, {{{ getHeapOffset('value', 'float') }}}, count*9);
return;
Expand Down Expand Up @@ -2863,7 +2849,7 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
},

glUniformMatrix4fv__deps: ['$webglGetUniformLocation'
#if GL_POOL_TEMP_BUFFERS && MIN_WEBGL_VERSION == 1
#if GL_POOL_TEMP_BUFFERS && !(MIN_WEBGL_VERSION >= 2 && WEBGL_USE_GARBAGE_FREE_APIS)
, '$miniTempWebGLFloatBuffers'
#endif
],
Expand All @@ -2873,16 +2859,14 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
assert((value & 3) == 0, 'Pointer to float data passed to glUniformMatrix4fv must be aligned to four bytes!');
#endif

#if MIN_WEBGL_VERSION >= 2
#if MIN_WEBGL_VERSION >= 2 && WEBGL_USE_GARBAGE_FREE_APIS
#if GL_ASSERTIONS
assert(GL.currentContext.version >= 2);
#endif
count && GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, HEAPF32, {{{ getHeapOffset('value', 'float') }}}, count*16);
#else

#if MAX_WEBGL_VERSION >= 2
// WebGL 2 provides new garbage-free entry points to call to WebGL. Use
// those always when possible.
#if WEBGL_USE_GARBAGE_FREE_APIS
if ({{{ isCurrentContextWebGL2() }}}) {
count && GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, HEAPF32, {{{ getHeapOffset('value', 'float') }}}, count*16);
return;
Expand Down Expand Up @@ -2921,7 +2905,7 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
var view = {{{ makeHEAPView('F32', 'value', 'value+count*64') }}};
}
GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, view);
#endif // MIN_WEBGL_VERSION >= 2
#endif // MIN_WEBGL_VERSION >= 2 && WEBGL_USE_GARBAGE_FREE_APIS
},

glBindBuffer: (target, buffer) => {
Expand Down Expand Up @@ -4157,11 +4141,12 @@ for (/**@suppress{duplicate}*/var i = 0; i < {{{ GL_POOL_TEMP_BUFFERS_SIZE }}};
}

if (!(mapping.access & 0x10)) { /* GL_MAP_FLUSH_EXPLICIT_BIT */
if ({{{ isCurrentContextWebGL2() }}}) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
#if WEBGL_USE_GARBAGE_FREE_APIS
if ({{{ isCurrentContextWebGL2() }}}) {
GLctx.bufferSubData(target, mapping.offset, HEAPU8, mapping.mem, mapping.length);
} else {
GLctx.bufferSubData(target, mapping.offset, HEAPU8.subarray(mapping.mem, mapping.mem+mapping.length));
}
} else
#endif
GLctx.bufferSubData(target, mapping.offset, HEAPU8.subarray(mapping.mem, mapping.mem+mapping.length));
}
_free(mapping.mem);
mapping.mem = 0;
Expand Down
15 changes: 14 additions & 1 deletion src/library_webgl2.js
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -118,7 +118,11 @@ var LibraryWebGL2 = {
return;
}
#endif
#if WEBGL_USE_GARBAGE_FREE_APIS
size && GLctx.getBufferSubData(target, offset, HEAPU8, data, size);
#else
size && GLctx.getBufferSubData(target, offset, HEAPU8.subarray(data, data+size));
#endif
},

glInvalidateFramebuffer__deps: ['$tempFixedLengthArray'],
Expand Down Expand Up @@ -147,13 +151,22 @@ var LibraryWebGL2 = {
GLctx.invalidateSubFramebuffer(target, list, x, y, width, height);
},

glTexImage3D__deps: ['$heapObjectForWebGLType', '$toTypedArrayIndex'],
glTexImage3D__deps: ['$heapObjectForWebGLType', '$toTypedArrayIndex',
#if !WEBGL_USE_GARBAGE_FREE_APIS
'$emscriptenWebGLGetTexPixelData',
#endif
],
glTexImage3D: (target, level, internalFormat, width, height, depth, border, format, type, pixels) => {
if (GLctx.currentPixelUnpackBufferBinding) {
GLctx.texImage3D(target, level, internalFormat, width, height, depth, border, format, type, pixels);
} else if (pixels) {
var heap = heapObjectForWebGLType(type);
#if WEBGL_USE_GARBAGE_FREE_APIS
GLctx.texImage3D(target, level, internalFormat, width, height, depth, border, format, type, heap, toTypedArrayIndex(pixels, heap));
#else
var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height * depth, pixels, internalFormat);
GLctx.texImage3D(target, level, internalFormat, width, height, depth, border, format, type, pixelData);
#endif
} else {
GLctx.texImage3D(target, level, internalFormat, width, height, depth, border, format, type, null);
}
Expand Down
6 changes: 6 additions & 0 deletions src/settings_internal.js
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -270,3 +270,9 @@ var MINIFY_WHITESPACE = true;
var ASYNCIFY_IMPORTS_EXCEPT_JS_LIBS = [];

var WARN_DEPRECATED = true;

// WebGL 2 provides new garbage-free entry points to call to WebGL. Use
// those always when possible.
// We currently set this to false for certain browser when large memory sizes
// (2gb+ or 4gb+) are used
var WEBGL_USE_GARBAGE_FREE_APIS = false;
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