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emscripten
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Merge pull request #3133 from juj/webgl_context_lost 

WebGL context lost.
This commit is contained in:
Alon Zakai 2015-01-23 10:53:42 -08:00
Родитель 47293c9b5c 97428ab87d
Коммит 5badff061c
1 изменённых файлов: 72 добавлений и 8 удалений
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80
src/library_gl.js
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@ -988,8 +988,16 @@ var LibraryGL = {
glGenTextures__sig: 'vii',
glGenTextures: function(n, textures) {
for (var i = 0; i < n; i++) {
var id = GL.getNewId(GL.textures);
var texture = GLctx.createTexture();
if (!texture) {
GL.recordError(0x0502 /* GL_INVALID_OPERATION */); // GLES + EGL specs don't specify what should happen here, so best to issue an error and create IDs with 0.
#if GL_ASSERTIONS
Module.printErr('GL_INVALID_OPERATION in glGenTextures: GLctx.createTexture returned null - most likely GL context is lost!');
#endif
while(i < n) {{{ makeSetValue('textures', 'i++*4', 0, 'i32') }}};
return;
}
var id = GL.getNewId(GL.textures);
texture.name = id;
GL.textures[id] = texture;
{{{ makeSetValue('textures', 'i*4', 'id', 'i32') }}};
@ -1129,8 +1137,16 @@ var LibraryGL = {
glGenBuffers__sig: 'vii',
glGenBuffers: function(n, buffers) {
for (var i = 0; i < n; i++) {
var id = GL.getNewId(GL.buffers);
var buffer = GLctx.createBuffer();
if (!buffer) {
GL.recordError(0x0502 /* GL_INVALID_OPERATION */);
#if GL_ASSERTIONS
Module.printErr('GL_INVALID_OPERATION in glGenBuffers: GLctx.createBuffer returned null - most likely GL context is lost!');
#endif
while(i < n) {{{ makeSetValue('buffers', 'i++*4', 0, 'i32') }}};
return;
}
var id = GL.getNewId(GL.buffers);
buffer.name = id;
GL.buffers[id] = buffer;
{{{ makeSetValue('buffers', 'i*4', 'id', 'i32') }}};
@ -1335,8 +1351,16 @@ var LibraryGL = {
glGenQueries__sig: 'vii',
glGenQueries: function(n, ids) {
for (var i = 0; i < n; i++) {
var id = GL.getNewId(GL.queries);
var query = GLctx.createQuery();
if (!query) {
GL.recordError(0x0502 /* GL_INVALID_OPERATION */);
#if GL_ASSERTIONS
Module.printErr('GL_INVALID_OPERATION in glGenQueries: GLctx.createQuery returned null - most likely GL context is lost!');
#endif
while(i < n) {{{ makeSetValue('ids', 'i++*4', 0, 'i32') }}};
return;
}
var id = GL.getNewId(GL.queries);
query.name = id;
GL.queries[id] = query;
{{{ makeSetValue('ids', 'i*4', 'id', 'i32') }}};
@ -1422,8 +1446,16 @@ var LibraryGL = {
glGenSamplers__sig: 'vii',
glGenSamplers: function(n, samplers) {
for (var i = 0; i < n; i++) {
var id = GL.getNewId(GL.samplers);
var sampler = GLctx.createSampler();
if (!sampler) {
GL.recordError(0x0502 /* GL_INVALID_OPERATION */);
#if GL_ASSERTIONS
Module.printErr('GL_INVALID_OPERATION in glGenSamplers: GLctx.createSampler returned null - most likely GL context is lost!');
#endif
while(i < n) {{{ makeSetValue('samplers', 'i++*4', 0, 'i32') }}};
return;
}
var id = GL.getNewId(GL.samplers);
sampler.name = id;
GL.samplers[id] = sampler;
{{{ makeSetValue('samplers', 'i*4', 'id', 'i32') }}};
@ -1525,8 +1557,16 @@ var LibraryGL = {
glGenTransformFeedbacks__sig: 'vii',
glGenTransformFeedbacks: function(n, ids) {
for (var i = 0; i < n; i++) {
var id = GL.getNewId(GL.transformFeedbacks);
var transformFeedback = GLctx.createTransformFeedback();
if (!transformFeedback) {
GL.recordError(0x0502 /* GL_INVALID_OPERATION */);
#if GL_ASSERTIONS
Module.printErr('GL_INVALID_OPERATION in glGenTransformFeedbacks: GLctx.createTransformFeedback returned null - most likely GL context is lost!');
#endif
while(i < n) {{{ makeSetValue('ids', 'i++*4', 0, 'i32') }}};
return;
}
var id = GL.getNewId(GL.transformFeedbacks);
transformFeedback.name = id;
GL.transformFeedbacks[id] = transformFeedback;
{{{ makeSetValue('ids', 'i*4', 'id', 'i32') }}};
@ -1831,8 +1871,16 @@ var LibraryGL = {
glGenRenderbuffers__sig: 'vii',
glGenRenderbuffers: function(n, renderbuffers) {
for (var i = 0; i < n; i++) {
var id = GL.getNewId(GL.renderbuffers);
var renderbuffer = GLctx.createRenderbuffer();
if (!renderbuffer) {
GL.recordError(0x0502 /* GL_INVALID_OPERATION */);
#if GL_ASSERTIONS
Module.printErr('GL_INVALID_OPERATION in glGenRenderbuffers: GLctx.createRenderbuffer returned null - most likely GL context is lost!');
#endif
while(i < n) {{{ makeSetValue('renderbuffers', 'i++*4', 0, 'i32') }}};
return;
}
var id = GL.getNewId(GL.renderbuffers);
renderbuffer.name = id;
GL.renderbuffers[id] = renderbuffer;
{{{ makeSetValue('renderbuffers', 'i*4', 'id', 'i32') }}};
@ -2673,8 +2721,16 @@ var LibraryGL = {
glGenFramebuffers__sig: 'vii',
glGenFramebuffers: function(n, ids) {
for (var i = 0; i < n; ++i) {
var id = GL.getNewId(GL.framebuffers);
var framebuffer = GLctx.createFramebuffer();
if (!framebuffer) {
GL.recordError(0x0502 /* GL_INVALID_OPERATION */);
#if GL_ASSERTIONS
Module.printErr('GL_INVALID_OPERATION in glGenFramebuffers: GLctx.createFramebuffer returned null - most likely GL context is lost!');
#endif
while(i < n) {{{ makeSetValue('ids', 'i++*4', 0, 'i32') }}};
return;
}
var id = GL.getNewId(GL.framebuffers);
framebuffer.name = id;
GL.framebuffers[id] = framebuffer;
{{{ makeSetValue('ids', 'i*4', 'id', 'i32') }}};
@ -2737,8 +2793,16 @@ var LibraryGL = {
#endif
for(var i = 0; i < n; i++) {
var id = GL.getNewId(GL.vaos);
var vao = GL.currentContext.vaoExt.createVertexArrayOES();
if (!vao) {
GL.recordError(0x0502 /* GL_INVALID_OPERATION */);
#if GL_ASSERTIONS
Module.printErr('GL_INVALID_OPERATION in glGenVertexArrays: GLctx.vao.createVertexArrayOES returned null - most likely GL context is lost!');
#endif
while(i < n) {{{ makeSetValue('arrays', 'i++*4', 0, 'i32') }}};
return;
}
var id = GL.getNewId(GL.vaos);
vao.name = id;
GL.vaos[id] = vao;
{{{ makeSetValue('arrays', 'i*4', 'id', 'i32') }}};