void
WebGLProgram::GetActiveUniformBlockParam(GLuint uniformBlockIndex, GLenum pname,
dom::Nullable<dom::OwningUnsignedLongOrUint32ArrayOrBoolean>& retval) const
{
retval.SetNull();
if (!IsLinked()) {
mContext->ErrorInvalidOperation("getActiveUniformBlockParameter: `program` must be linked.");
return;
}
const webgl::LinkedProgramInfo* linkInfo = LinkInfo();
GLuint uniformBlockCount = (GLuint)linkInfo->uniformBlocks.size();
if (uniformBlockIndex >= uniformBlockCount) {
mContext->ErrorInvalidValue("getActiveUniformBlockParameter: index %u invalid.", uniformBlockIndex);
return;
}
gl::GLContext* gl = mContext->GL();
GLint param = 0;
switch (pname) {
case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:
case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:
gl->fGetActiveUniformBlockiv(mGLName, uniformBlockIndex, pname, ¶m);
retval.SetValue().SetAsBoolean() = (param != 0);
return;
case LOCAL_GL_UNIFORM_BLOCK_BINDING:
case LOCAL_GL_UNIFORM_BLOCK_DATA_SIZE:
case LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS:
gl->fGetActiveUniformBlockiv(mGLName, uniformBlockIndex, pname, ¶m);
retval.SetValue().SetAsUnsignedLong() = param;
return;
}
}
void
WebGL2Context::GetActiveUniformBlockParameter(JSContext* cx, WebGLProgram* program,
GLuint uniformBlockIndex, GLenum pname,
dom::Nullable<dom::OwningUnsignedLongOrUint32ArrayOrBoolean>& retval,
ErrorResult& rv)
{
retval.SetNull();
if (IsContextLost())
return;
if (!ValidateObject("getActiveUniformBlockParameter: program", program))
return;
MakeContextCurrent();
switch(pname) {
case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:
case LOCAL_GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:
case LOCAL_GL_UNIFORM_BLOCK_BINDING:
case LOCAL_GL_UNIFORM_BLOCK_DATA_SIZE:
case LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS:
program->GetActiveUniformBlockParam(uniformBlockIndex, pname, retval);
return;
case LOCAL_GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES:
program->GetActiveUniformBlockActiveUniforms(cx, uniformBlockIndex, retval, rv);
return;
}
ErrorInvalidEnumInfo("getActiveUniformBlockParameter: parameter", pname);
}
void
WebGLContext::GetSupportedExtensions(JSContext* cx,
dom::Nullable< nsTArray<nsString> >& retval)
{
retval.SetNull();
if (IsContextLost())
return;
nsTArray<nsString>& arr = retval.SetValue();
for (size_t i = 0; i < size_t(WebGLExtensionID::Max); i++) {
WebGLExtensionID extension = WebGLExtensionID(i);
if (IsExtensionSupported(cx, extension)) {
const char* extStr = GetExtensionString(extension);
arr.AppendElement(NS_ConvertUTF8toUTF16(extStr));
}
}
/**
* We keep backward compatibility for these deprecated vendor-prefixed
* alias. Do not add new ones anymore. Hide it behind the
* webgl.enable-draft-extensions flag instead.
*/
if (IsExtensionSupported(cx, WebGLExtensionID::WEBGL_lose_context))
arr.AppendElement(NS_LITERAL_STRING("MOZ_WEBGL_lose_context"));
if (IsExtensionSupported(cx, WebGLExtensionID::WEBGL_compressed_texture_s3tc))
arr.AppendElement(NS_LITERAL_STRING("MOZ_WEBGL_compressed_texture_s3tc"));
if (IsExtensionSupported(cx, WebGLExtensionID::WEBGL_compressed_texture_atc))
arr.AppendElement(NS_LITERAL_STRING("MOZ_WEBGL_compressed_texture_atc"));
if (IsExtensionSupported(cx, WebGLExtensionID::WEBGL_compressed_texture_pvrtc))
arr.AppendElement(NS_LITERAL_STRING("MOZ_WEBGL_compressed_texture_pvrtc"));
if (IsExtensionSupported(cx, WebGLExtensionID::WEBGL_depth_texture))
arr.AppendElement(NS_LITERAL_STRING("MOZ_WEBGL_depth_texture"));
}
void
WebGL2Context::GetActiveUniforms(WebGLProgram* program,
const dom::Sequence<GLuint>& uniformIndices,
GLenum pname,
dom::Nullable< nsTArray<GLint> >& retval)
{
retval.SetNull();
if (IsContextLost())
return;
if (pname == LOCAL_GL_UNIFORM_NAME_LENGTH) {
ErrorInvalidEnumInfo("getActiveUniforms: pname", pname);
return;
}
if (!ValidateObject("getActiveUniforms: program", program))
return;
size_t count = uniformIndices.Length();
if (!count)
return;
GLuint progname = program->mGLName;
nsTArray<GLint>& arr = retval.SetValue();
arr.SetLength(count);
MakeContextCurrent();
gl->fGetActiveUniformsiv(progname, count, uniformIndices.Elements(), pname,
arr.Elements());
}
void
WebGL2Context::GetUniformIndices(WebGLProgram* program,
const dom::Sequence<nsString>& uniformNames,
dom::Nullable< nsTArray<GLuint> >& retval)
{
retval.SetNull();
if (IsContextLost())
return;
if (!ValidateObject("getUniformIndices: program", program))
return;
if (!uniformNames.Length())
return;
GLuint progname = program->mGLName;
size_t count = uniformNames.Length();
nsTArray<GLuint>& arr = retval.SetValue();
MakeContextCurrent();
for (size_t n = 0; n < count; n++) {
NS_LossyConvertUTF16toASCII name(uniformNames[n]);
// const GLchar* glname = name.get();
const GLchar* glname = nullptr;
name.BeginReading(glname);
GLuint index = 0;
gl->fGetUniformIndices(progname, 1, &glname, &index);
arr.AppendElement(index);
}
}
void WebGL2Context::GetUniformIndices(
const WebGLProgram& program, const dom::Sequence<nsString>& uniformNames,
dom::Nullable<nsTArray<GLuint> >& retval) {
const FuncScope funcScope(*this, "getUniformIndices");
retval.SetNull();
if (IsContextLost()) return;
if (!ValidateObject("program", program)) return;
if (!uniformNames.Length()) return;
program.GetUniformIndices(uniformNames, retval);
}
void
WebGL2Context::GetUniformIndices(WebGLProgram* program,
const dom::Sequence<nsString>& uniformNames,
dom::Nullable< nsTArray<GLuint> >& retval)
{
retval.SetNull();
if (IsContextLost())
return;
if (!ValidateObject("getUniformIndices: program", program))
return;
if (!uniformNames.Length())
return;
program->GetUniformIndices(uniformNames, retval);
}
/* This doesn't belong here. It's part of state querying */
void
WebGL2Context::GetIndexedParameter(GLenum target, GLuint index,
dom::Nullable<dom::OwningWebGLBufferOrLongLong>& retval)
{
retval.SetNull();
if (IsContextLost())
return;
GLint64 data = 0;
MakeContextCurrent();
switch (target) {
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
if (index >= mGLMaxTransformFeedbackSeparateAttribs)
return ErrorInvalidValue("getIndexedParameter: index should be less than "
"MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS");
retval.SetValue().SetAsWebGLBuffer() =
mBoundTransformFeedbackBuffers[index].get();
return;
case LOCAL_GL_UNIFORM_BUFFER_BINDING:
if (index >= mGLMaxUniformBufferBindings)
return ErrorInvalidValue("getIndexedParameter: index should be than "
"MAX_UNIFORM_BUFFER_BINDINGS");
retval.SetValue().SetAsWebGLBuffer() = mBoundUniformBuffers[index].get();
return;
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_START:
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
case LOCAL_GL_UNIFORM_BUFFER_START:
case LOCAL_GL_UNIFORM_BUFFER_SIZE:
gl->fGetInteger64i_v(target, index, &data);
retval.SetValue().SetAsLongLong() = data;
return;
}
ErrorInvalidEnumInfo("getIndexedParameter: target", target);
}
void
WebGLContext::GetSupportedExtensions(dom::Nullable< nsTArray<nsString> >& retval,
dom::CallerType callerType)
{
retval.SetNull();
if (IsContextLost())
return;
nsTArray<nsString>& arr = retval.SetValue();
for (size_t i = 0; i < size_t(WebGLExtensionID::Max); i++) {
const auto extension = WebGLExtensionID(i);
if (extension == WebGLExtensionID::MOZ_debug)
continue; // Hide MOZ_debug from this list.
if (IsExtensionSupported(callerType, extension)) {
const char* extStr = GetExtensionString(extension);
arr.AppendElement(NS_ConvertUTF8toUTF16(extStr));
}
}
}